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A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
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| 2V |
Two (Venturi) Valve (two barrel carburetor) |
| 2WS |
Two Wheel Steering |
| 3GR |
Third Gear |
| 4GR |
Fourth Gear |
| 4EAT |
Four speed Electronic Automatic Transmission |
| 4R70W |
Four speed, Rear wheel drive, (up to) 700 lb/ft torque rated, Wide ratio |
| 4R100 |
Four speed, Rear wheel drive, (up to) 1000 lb/ft torque rated |
| 4V |
Four (Venturi) Valve (four barrel carburetor) |
| 4WAL |
Four Wheel Antilock |
| 4WAS |
Four Wheel Air Suspension |
| 4WD |
Four Wheel Drive |
| 4WS |
Four Wheel Steering |
| 5R55W |
Five speed, Rear wheel drive, (up to) 550 lb/ft torque rated, Wide ratio |
| A |
| A |
Amperes |
| A4LD |
Automatic 4-speed Light Duty (Ford) |
| A-6 |
Axial 6 cylinder A/C compressor |
| AAA |
American Automobile Association |
| AAC |
Auxiliary Air Control |
| AALA |
American Automobile Labeling Act |
| AAP |
Auxiliary Acceleration Pump |
| AAS |
Aspirator Air System |
| AAT |
Ambient Air Temperature |
| AATS |
Ambient Air Temperature Sensor |
| AB |
Air Bleed |
| ABARS |
Automobile Backward Automatic Ranging System |
| ABC |
Active Body Control |
| ABCM |
Anti-lock Brake Control Module |
| ABCV |
Air Bleed Control Valve |
| ABDC |
After Bottom Dead Center |
| ABPV |
Air By-Pass Valve |
| ABRS |
Air Bag Restraint System |
| ABS |
Antilock Brake System |
| ABV |
Air By-Pass Valve |
| ABV |
Anti-Backfire Valve |
| AC |
Alternating Current |
| AC |
Altitude Compensator |
| AC |
Accumulator Charge |
| A/C |
Air Conditioning |
| ACC |
ACCessories (key position) |
| ACC |
Adaptive Cruise Control |
| ACC |
Automatic Climate Control |
| A/CC |
Air Conditioning Clutch |
| A/C-CCPS |
Air Conditioning-Clutch Cycling Pressure Switch |
| accel |
Acceleration |
| A/C-CM |
Air Conditioning-Control Module |
| A/CCR |
A/C Clutch Control Relay |
| A/CCR |
Air Conditioning Clutch Request |
| A/CCS |
Air Conditioning Cycling Switch |
| accum |
Accumulator |
| accy |
Accessory |
| A/CD |
Air Conditioning Demand |
| A/CDS |
Air Conditioning Diagnostic Switch |
| AC-DV |
Air Cleaner-Duct and Valve |
| ACE |
Active Cornering Enhancement |
| ACE |
Automotive Computerized Equipment |
| ACEM |
Airbag Electronic Control Module (Chrysler) |
| A/CET |
Air Conditioning Evaporator Temperature Sensor |
| ACID |
Accelerate, Cruise, Idle, Decelerate |
| A/C-ISUS |
Air Conditioning-Idle Speed Up Solenoid |
| ACL |
Air Cleaner |
| ACL |
Automatic Chassis Lubrication |
| ACL |
Automatic Level Control (GM) |
| ACL-ACT |
Air Cleaner-Air Temperature Control |
| ACL-BVS |
Air Cleaner-Bimetal Vacuum Switch |
| ACL-CWM |
Air Cleaner-Cold Weather Modulator |
| ACLD |
Air Cleaner Diaphragm |
| ACLTS |
Air Cleaner Thermal Sensor |
| ACL-TSOV |
Air Cleaner-Temperature Sensor Override Valve |
| ACL-VCV |
Air Cleaner-Vacuum Control Valve |
| ACM |
Air-Control Module |
| ACM |
Airbag Control Module |
| ACM |
Audio Control Module |
| A/CR3 |
Air Conditioning Refrigerant, Recovery, Reclaim, Recycle |
| A/CR4 |
Air Conditioning Refrigerant, Recovery, Recycling, Recharging |
| A/CON |
Air Conditioning On |
| ACOV |
Air Cut Off Valve |
| A/CP |
Air Conditioning Pressure |
| A/CPSW |
Air Conditioning Pressure Switch |
| A/CPT |
Air Conditioning Pressure Transducer |
| A/CPV |
A/C Head Pressure Switch Voltage |
| ACRS |
Air-Cushion Restraint System |
| ACRV |
Air Control and Reed Valve |
| ACS |
Air Control Solenoid |
| ACS |
Active Comfort Seats |
| A/CS |
Air Conditioning System |
| act |
Actual |
| ACT |
Air Charge Temperature |
| ACTS |
Air Charge Temperature Sensor |
| actv |
Activate |
| AC-TVS |
Air Cleaner - Thermal Vacuum Switch |
| ACV |
(thermactor) Air Control Valve |
| ACVD |
Air Cleaner Vacuum Diaphragm |
| A/D |
Analog to Digital |
| AD |
Accommodated Device |
| AD |
Air Diverter |
| adapt |
Adaptive |
| adapts |
Adapters |
| ADAS |
Advanced Driver Assistance System |
| ADB (X) |
Automatic Differential Braking |
| ADBV |
Anti Drainback Valve |
| ADC |
Analog to Digital Converter |
| ADC |
Automatic Distance Control |
| ADG |
Accommodated Device Gateway |
| adj |
Adjust, Adjustable, Adjuster |
| ADL |
Automatic Door Lock |
| ADLO |
Automatic Disengagement and Lock Out |
| ADPTCTL |
Fuel Adaptive Control |
| ADS |
Anti-Diesel Solenoid |
| ADS |
Automatic Damping System |
| ADS |
Auxiliary Discriminating Sensor |
| ADU |
Analog-Digital Unit |
| AECM |
Airbag Electronic Control Module |
| AEGS |
Automatic Electronic Gearbox control System |
| A/F |
Air Fuel Ratio (see also AFR) |
| AFC |
Air Flow Control |
| AFC |
Air Fuel Control |
| AFCD |
Advanced Frontal Crash Dummy |
| AFCM |
Alternate Fuel Control Module |
| AFECM |
Alternate Fuel Engine Control Module |
| AFO |
Alternate Fuel Operation |
| AFR |
Air Fuel Ratio (see also A/F) |
| AFS |
Air Flow Sensor |
| aft |
After |
| AFV |
Alternative Fuel Vehicle |
| AG |
Silver |
| AGSP |
Auxiliary Gauge Switch Pack |
| AGVS |
Automated Guided Vehicle System |
| AHFSS |
Air Condition Heater Function Select Switch |
| AHLD |
Automatic Headlamp Leveling Device |
| AHR |
Active Head Restraint |
| ahrs |
Amp Hours |
| AHS |
Active Handling System |
| AI |
Air Injection |
| AIC |
Air Intake Control |
| AIC |
Automatic Idle Control |
| AICV |
Air Injection Check Valve |
| AIM |
Automotive Interior Material |
| AIP |
Air Injection Pump |
| AIR |
Air Injection Reaction (Secondary air injection) |
| AIRB |
Secondary Air Injection Bypass |
| AIRD |
Secondary Air Injection Diverter |
| AIR EVAL |
AIR system EVALuation |
| AIRB |
AIR injection Bypass |
| AIRB |
Air Injection Reaction Bypass |
| AIR/CSV |
Air Injection Reaction/Control Switching Valve |
| AIRD |
Air Injection Reaction Diverter |
| AIRM |
Secondary AIR Pump Monitor |
| AIR/MV |
Air Injection Reaction/Management Valve |
| AIR/SSV |
Air Injection Reaction/Switch Solenoid Valve |
| AIR/VDV |
Air Injection Reaction/Vacuum Delay Valve |
| AIS |
Air Injection System |
| AIS |
Automatic Idle Speed |
| AIS-ACV |
Air Injection System - Air Control Valve |
| AIS-AMV |
Air Injection System - Air Management Valve |
| AIS-ASS |
Air Injection System - Air Switching Solenoid |
| AIS-ASV |
Air Injection System - Air Switching Valve |
| AIS-BPV |
Air Injection System - Bypass Valve |
| AIS-DV |
Air Injection System - Diverter Valve |
| AIS-PAF |
Air Injection System - Pulse Air Feed |
| AIS-RV |
Air Injection System - Relief Valve |
| AIS-SV |
Air Injection System - Solenoid Valve |
| AIS-VCV |
Air Injection System - Vacuum Control Valve |
| AIS-VSV |
Air Injection System - Vacuum Switching Valve |
| AISM |
Automatic Idle Speed Motor |
| AIV |
Air Injection Valve |
| ALC |
Automatic Lamp Control |
| ALC |
Automatic Level Control |
| ALCL |
Assembly Line Communications Link |
| ALDL |
Assembly Line Data Link |
| ALM |
Adaptive Learn Matrix |
| ALR |
Automatic Locking Retractor |
| Alt |
Alternative |
| ALT |
Alternator (replaced with GEN) |
| ALTCOM |
Alternator Command |
| ALTFRUN |
Alterative Fuel Run Time |
| ALTLAMP |
Generator Indicator Fault |
| ALTMON |
Alternator Monitor |
| ALT SEN |
Alternator Sensor Line |
| ALT V |
Generator Output Voltage |
| AM |
Air Management |
| AM |
Amplitude Modulation |
| AM1 |
Air Management 1. Secondary AIR bypass. |
| AM2 |
Air Management 2. Secondary AIR diverter. |
| AMB |
Ambient |
| AMM |
Air Mass Meter |
| amp |
Amplifier |
| amps |
Amperes or Amperage |
| AMS |
Automatic Music Search |
| AMT |
Automated Manual Transmission |
| AMV |
Air Management Valve |
| ANSI |
American National Standards Institute |
| AOC |
Abnormal Operating Conditions |
| AOD |
Automatic Overdrive |
| AODE |
Automatic Overdrive Electronic (transmission) |
| AODE-W |
Automatic Overdrive Electronic - Wide ratio (transmission) |
| AOS |
Automatic Occupant Sensing |
| AOSIM |
Airbag On/Off Switch Indicator Module (Chrysler) |
| AOT |
Automotive Overdrive Transmission |
| AP |
Accelerator Pedal |
| AP |
Air Pump |
| AP |
Atmospheric Pressure |
| AP-ACV |
Air Pump - Air Control Valve |
| APADS |
Air Conditioning Protection and Diagnostic System |
| AP-ACV |
Air Pump - Air Control Valve |
| AP-AMV |
Air Pump - Air Management Valve |
| AP-ASS |
Air Pump - Air Switching Solenoid |
| AP-ASV |
Air Pump - Air Switching Valve |
| AP-BPV |
Air Pump - By Pass Valve |
| APC |
Automatic Performance Control |
| APCM |
Auxiliary Powertrain Control Module |
| APCM |
Accessory (or Auxiliary) Power Control Module |
| AP-DCTO |
Air Pump - Dual Coolant Temperature Override |
| AP-DV |
Air Pump - Diverter Valve |
| AP-EADV |
Air Pump - Electric Air Control Divert Valve |
| AP-EAP |
Air Pump - Electric Air Pump |
| APECS |
Advanced Proportional Engine Control System |
| APGND |
Accelerator Pedal Sensor Ground |
| API |
American Petroleum Institute |
| APM |
Adjustable Pedal Module (Chrysler) |
| APO |
Accessory Power Outlets |
| APP |
Accelerator Pedal Position |
| APP1 |
Accelerator Pedal Position 1. Displayed in Volts |
| APP2 |
Accelerator Pedal Position 2. Displayed in Volts |
| APP3 |
Accelerator Pedal Position 3. Displayed in Volts |
| APP_D |
Accelerator Pedal Position D. Displayed in % |
| APP_E |
Accelerator Pedal Position E. Displayed in % |
| APP_F |
Accelerator Pedal Position F. Displayed in % |
| approx |
Approximately |
| AP-RV |
Air Pump - Relief Valve |
| APS |
Absolute Pressure Sensor |
| AP-SV |
Air Pump - Solenoid Valve |
| APT |
Adjustable part Throttle |
| AP-TV |
Air Pump - Transmitting Valve |
| AP-VCV |
Air Pump - Vacuum Control Valve |
| AP-VSV |
Air Pump - Vacuum Switching Valve |
| ARC |
Active Roll Control |
| ARC |
Automatic Ride Control |
| ARPMDES |
Ancillary RPM Desired |
| ARS |
Adaptive Receptive System |
| ARS |
Automatic Restraint System |
| ARTHUR |
Automatic Radio system for Traffic situations on Highways and Urban Roads |
| ARV |
Air Relief Valve |
| ASA |
Air Signal Attenuator |
| ASA |
Automatic Slack Adjuster |
| ASARC |
Air Suspension Automatic Ride Control |
| ASC |
Air Suction Control |
| ASC |
Anti Stall Control |
| ASC |
Air Suspension Control |
| ASCD |
Auto Speed Control Device |
| ASCII |
American Standard Code Information Interchange |
| ASCM |
Air Suspension Control Module |
| ASCS |
Air Suction Control Solenoid |
| ASD |
Automatic Shutdown |
| ASDM |
Air-bag System Diagnostic Module |
| ASDR |
Auto Shut Down Relay |
| ASF |
Audi Space Frame |
| ASG |
Automatic-Shift Gearbox |
| ASM |
Acceleration Simulation Mode |
| ASM |
Accelerator and Servo control Module |
| ASM |
Air Solenoid Module |
| ASM |
Alarm Siren Module |
| asm |
Assembly |
| ASOV |
Air Shut Off Valve |
| ASR |
Acceleration Slip Regulation |
| ASR |
Auto Shutdown Relay |
| ASRV |
Air Switching Relief Valve |
| assy |
Assembly |
| ASSYST |
Active Service System |
| ASTC |
Automatic Stability and Traction Control |
| ASTM |
American Society for Testing and Materials |
| ASV |
Air Suction Valve |
| ASV |
Air Switching Valve |
| A/T |
Automatic Transmission/Transaxle |
| ATC |
Automatic Temperature Control |
| ATC |
Automatic Transfer Case |
| ATCV |
Air Temperature Control Valve |
| ATDC |
After Top Dead Center |
| ATF |
Active Transfer Case |
| ATF |
Automatic Transfer Case |
| ATF |
Automatic Transmission Fluid |
| ATM |
Actuator Test Mode |
| AT-PZEV |
Advanced Technology Partial Zero Emission Vehicle |
| ATS |
Air Temperature Sensor |
| ATS |
Altitude Trim Solenoid |
| ATS-AS |
Altitude Trim Solenoid - Air Sensor |
| ATSLC |
Automatic Transmission Shift Lock Control |
| ATTS |
Advanced Torque Transfer System |
| ATX |
Automatic Transaxle |
| AUD |
Audio System Module |
| aux |
Auxiliary |
| AVCS |
Air Valve Control Solenoid |
| AVM |
Advance Vacuum Modulator |
| AVOM |
Analog Volt Ohm Meter |
| AVR |
Amps Volts Resistance |
| AWD |
All Wheel Drive |
| AWG |
American Wire Gage |
| AYC |
Active Yaw Control |
| AX4N |
Automatic 4-speed Non-Synchronous transaxle |
| AX4S |
Automatic 4-speed Synchronous transaxle |
| AXOD |
Automatic Overdrive Transaxle |
| AXOD-E |
Automatic Overdrive Transaxle - Electronically Controlled |
| AZC |
Automatic Zone Control Module |
| B |
| B+ |
Battery positive (voltage) |
| B- |
Battery negative |
| BAC |
Bypass Air Control |
| Bank 1 |
The bank of cylinders which contain # 1 cylinder |
| Bank 2 |
The bank of cylinders opposite the bank containing # 1 cylinder |
| BAP |
Barometric Absolute Pressure |
| BAR |
1 atmosphere of pressure |
| BARO |
Barometric (pressure) |
| BARO V |
Barometric Pressure Signal Voltage |
| BAS |
Brake Apply Sensor |
| batt |
Battery |
| BAT+ |
Positive battery terminal |
| BAT- |
Negative battery terminal |
| BATTEMP |
Battery Temperature |
| BATTL |
Dual Alternator Battery Lamp Indicator |
| BBDC |
Before Bottom Dead Center |
| BBV |
Brake Booster Vacuum |
| BCA |
Bias Control Assembly |
| BCDD |
Boost Control Deceleration Device |
| BCM |
Body Control Module |
| BDC |
Bottom Dead Center |
| BECU |
Body Electronic Control Unit |
| BEM |
Battery Energy Management Module (Chrysler) |
| B/F |
Back fire |
| BFC |
Body Function Controller |
| B/F SCHDL |
Base Fuel Schedule |
| BFV |
Back Fire Valve |
| BHP |
Brake Horsepower |
| BHS |
Bimetal Heat Sensor |
| BID |
Breakerless Inductive Discharge |
| BIT |
Breakerless ignition tester |
| BJB |
Battery Junction Box |
| BK |
Black |
| BK |
Back |
| BL |
Blue |
| BLM |
Block Learn Matrix |
| BLM |
Block Learn Memory |
| BLM |
Block Learn Multiplier |
| B-LVL |
Bi-level |
| BLW |
Brake Lining Wear |
| BM |
Base Module |
| BMAP |
Barometric and Manifold Absolute Pressure |
| BMEP |
Brake Mean Efficiency Pressure |
| bmpr |
Bumper |
| BMS |
Bi-Metallic Sensor |
| bn |
Bank |
| BN |
Brown |
| BOB |
Break-Out Box |
| BOF |
Body-over-frame vehicle construction |
| BOO |
Brake On/Off |
| BP |
Back Pressure |
| B/P |
Back Pressure |
| BP |
Barometric Pressure |
| BPA |
Brake Pedal (or Pressure) Applied |
| BPA |
Bypass Air |
| BP-EGR |
Back Pressure EGR |
| BP/EGR |
Back Pressure/Exhaust Gas Recirculation |
| BP/EGR-BPS |
Back Pressure/Exhaust Gas Recirculation - Back Pressure Sensor |
| BP/EGR-BPT |
Back Pressure/Exhaust Gas Recirculation - Back Pressure Transducer |
| BP/EGR-BPV |
Back Pressure/Exhaust Gas Recirculation - Back Pressure Valve |
| BP/EGR-BS |
Back Pressure/Exhaust Gas Recirculation - Bleed Solenoid |
| BP/EGR-BVSV |
Back Pressure/Exhaust Gas Recirculation - Bimetal Vacuum Switching Valve |
| BP/EGR-C |
Back Pressure/Exhaust Gas Recirculation - Controller |
| BP/EGR-CS |
Back Pressure/Exhaust Gas Recirculation - Control Solenoid |
| BP/EGR-CTO |
Back Pressure/Exhaust Gas Recirculation - Coolant Temperature Override |
| BP/EGR-CV |
Back Pressure/Exhaust Gas Recirculation - Control Valve |
| BP/EGR-DCTO |
Back Pressure/Exhaust Gas Recirculation - Dual Coolant Temp. Override |
| BP/EGR-DS |
Back Pressure/Exhaust Gas Recirculation - Diagnostic Solenoid |
| BP/EGR-DV |
Back Pressure/Exhaust Gas Recirculation - Delay Valve |
| BP/EGR-EET |
Back Pressure/Exhaust Gas Recirculation - Electronic Transducer |
| BP/EGR-EPV |
Back Pressure/Exhaust Gas Recirculation - External Pressure Valve |
| BP/EGR-FDV |
Back Pressure/Exhaust Gas Recirculation - Forward Delay Valve |
| BP/EGR-PS |
Back Pressure/Exhaust Gas Recirculation - Position Sensor |
| BP/EGR-PVS |
Back Pressure/Exhaust Gas Recirculation - Ported Vacuum Switch |
| BP/EGR-TCTVS |
Back Pressure/Exhaust Gas Recirculation - Torque Converter Thermal Vacuum Switch |
| BP/EGR-TCV |
Back Pressure/Exhaust Gas Recirculation - Thermal Control Valve |
| BP/EGR-TS |
Back Pressure/Exhaust Gas Recirculation - Temperature Sensor |
| BP/EGR-TVS |
Back Pressure/Exhaust Gas Recirculation - Thermal Vacuum Switch |
| BP/EGR-TVV |
Back Pressure/Exhaust Gas Recirculation - Thermal Vacuum Valve |
| BP/EGR-VCV |
Back Pressure/Exhaust Gas Recirculation - Vacuum Control Valve |
| BP/EGR-VM |
Back Pressure/Exhaust Gas Recirculation - Vacuum Motor |
| BP/EGR-VRV |
Back Pressure/Exhaust Gas Recirculation - Vacuum Regulator Valve |
| BP/EGR-VS |
Back Pressure/Exhaust Gas Recirculation - Vacuum Switch |
| BP/EGR-VSV |
Back Pressure/Exhaust Gas Recirculation - Vacuum Switching Valve |
| BPCM |
Battery Pack Control Module |
| BPMV |
Brake Pressure Modulator Valve |
| BPO |
Bypass Orifice |
| BPP |
Brake Pedal Position |
| BPS |
Barometric Pressure Sensor |
| BPS |
Back Pressure Sensor |
| BPS |
Brake Pedal Switch/Speed Control Deactivation |
| BPT |
Back Pressure Transducer |
| BPV |
Back Pressure Valve |
| BPV |
Bypass Valve |
| BPW |
Base Pulse Width |
| BR |
Brown |
| BS |
Brake light Switch |
| BS |
Bleed Solenoid |
| BSFC |
Brake Specific Fuel Consumption |
| BSV |
Backfire Suppression Valve |
| BSW |
Black Sidewalls |
| BTC |
Before Top Center |
| BTCM |
Brake Torque Control Module |
| BTDC |
Before Top Dead Center |
| BTM |
Battery Thermal Module |
| BTS |
Battery Temperature Sensor |
| BTSI |
Brake Transmission Shift Interlock |
| Btu |
British thermal units |
| btwn |
Between |
| BU |
Blue |
| bush |
Bushing |
| BV |
Battery Voltage |
| BV |
Bowl Vent |
| BVREF |
Buffer Voltage Reference |
| BVS |
Battery Voltage Sensor |
| BVS |
Bowl Vent Solenoid |
| BVSB |
Bi-metal Vacuum Switching Valve |
| BVSV |
Bimetallic Vacuum Switching Valve |
| BVT |
Backpressure Variable Transducer |
| BVV |
Bowl Vent Valve |
| BW |
Borg Warner |
| C |
| C |
Carbon |
| C3 |
Computer Command Control |
| C3I |
Computer Controlled Coil Ignition |
| C4 |
Computer Controlled Catalytic Converter |
| CA |
Crank Angle |
| CA |
Calibration Assembly |
| CAA |
Canadian Automobile Association |
| CAA |
Clean Air Act |
| CAAA |
Clean Air Act Amendments |
| CAB |
Controller, Antilock Brake |
| CAC |
Charge Air Cooler |
| CACVM |
Carburetor Air Cleaner Vacuum Motor |
| CAFC |
Company Average Fuel Consumption (Canada) |
| CAFE |
Corporate Average Fuel Economy (USA) |
| cal |
Calibration |
| calc |
Calculated |
| CALID |
Calibration Identification |
| Calif |
California |
| CAMDCR |
Commanded Duty Cycle for VCT Solenoid |
| CAMERRR |
VCT Error in Crankshaft Degrees |
| CAMM |
Computer Aided Manufacturing Measurement |
| CAMS |
Computerized Automotive Maintenance System |
| CAN (OBD-II) |
Controller Area Network |
| CAN A (OBD-II) |
Controller Area Network type A, 100 kb/s |
| CAN B (OBD-II) |
Controller Area Network type B, 250 kb/s |
| CAN C (OBD-II) |
Controller Area Network type C, 500 kb/s |
| CAN Gateway |
A gateway is a module that can communicate with more than one type of bus or buses that have different bod rates |
| CAN2 Link |
Dedicated CAN communications data link between the PCM and FICM |
| CANP |
Canister Purge (solenoid) |
| CANV |
Canister Vent |
| CANVTDC |
EVAP Canister Vent Purge Duty Cycle |
| CARB |
California Air Resources Board |
| CARB LEV |
CARB Low Emission Vehicle |
| CARB TLEV |
CARB Transitional Low Emission Vehicle |
| CARB ULEV |
CARB Ultra Low Emission Vehicle |
| CARB ZEV |
CARB Zero Emission Vehicle |
| CARS |
Canadian Automotive Repair and Service Council |
| CAS |
Clean Air System |
| CASE |
Cranking Angle Sensing Error |
| CAS GND |
PCM Case Ground |
| cass |
Cassette |
| cat |
Catalytic converter |
| CATEMP 11 |
Catalyst Temperature Bank 1, Sensor 1 |
| CATEMP 12 |
Catalyst Temperature Bank 1, Sensor 2 |
| CATEMP 21 |
Catalyst Temperature Bank 2, Sensor 1 |
| CATEMP 22 |
Catalyst Temperature Bank 2, Sensor 2 |
| CAT EVAL |
Catalyst System Evaluation |
| CATS |
Computer Aided Test Suite |
| CAUSE |
Alterative Fuel Switchover Cause |
| CAV |
Coasting Air Valve |
| CB |
Circuit Breaker |
| CB |
Choke Break |
| CBC |
Converter Brake Clutch |
| CBD |
Closed Bowl Distributor |
| CBE |
Cab Behind Engine |
| CBVV |
Carburetor Bowl Vent Valve |
| CC |
Climate Control |
| CC |
Coast Clutch |
| CC |
Cruise Control |
| CC |
Cubic Centimeter |
| CCA |
Cold Cranking Amperage |
| CCC |
Computer Command Control |
| CCCS |
Computer Command Control System |
| CCD |
Collision Detection Module |
| CCD |
Chrysler Collision Detection |
| CCD |
Computer Controlled Dwell |
| CCCD |
Catalytic Converter Cool-Down |
| CCDIC |
Climate Control Driver Information Center |
| CCEC |
Constant Current Electronic Control |
| CCEGR |
Coolant Controlled Exhaust Gas Recirculation |
| CCEVS |
Coolant Controlled Engine Vacuum Switch |
| CCFL |
Cold-Cathode Fluorescent Lamp |
| CCFOT |
Cycling Clutch Fixed Orifice Tube |
| CC/FVS |
Charcoal Canister/Fuel Vapor Solenoid |
| CCIE |
Coolant Controlled Idle Enrichment |
| CCIEV |
Coolant Controlled Idle Enrichment Valve |
| CCIS |
Computer Controlled Ignition System |
| CCM |
Central Control Module |
| CCM |
Chassis Control Module |
| CCM |
Comprehensive Component Monitor |
| CCM |
Convenience Charge Module |
| CCNT |
Continuous DTC's in Module Memory |
| CCO |
Converter Clutch Override |
| CCOT |
Cycling Clutch Orifice Tube |
| CCP |
Climate Control Panel |
| CCP |
Controlled Canister Purge |
| CCPS |
Clutch Cycling Pressure Switch |
| CCRM |
Constant Control Relay Module |
| CCS |
Climate Controlled Seat |
| CCS |
Coast Clutch Solenoid |
| CCSF |
Coast Clutch Solenoid Fault |
| CCSM |
Climate Controlled Seat Module |
| CCSP |
Carbon Canister Storage/Purging |
| CCV |
Crankcase Control Valve |
| CCV |
Canister Control Valve |
| CCW |
Counter ClockWise |
| CD |
Capacitive Discharge |
| CD |
Compact Disc |
| CDA |
Cylinder De-Activation |
| CDI |
Capacitive Discharge Ignition |
| CDI-I |
Capacitor Discharge Ignition - Induction |
| CDI-k |
Capacitor Discharge Ignition - contact |
| CDR |
Chrysler Diagnostic Readout |
| CDR |
Crankcase Depression Regulator |
| CDR |
Crash Data Retrieval |
| CDRV |
Crankcase Depression Regulator (or Relief) Valve |
| CDS |
Coolant Dual Switch |
| CDV |
Choke Delay Valve |
| CDV |
Crankcase Depression Valve |
| CDX |
Compact Disc Changer |
| CE |
Check Engine |
| CE |
Commutator End |
| CEAB |
Cold Engine Air Bleed |
| CEAB-TVS |
Cold Engine Air Bleed - Thermal Vacuum Switch |
| CEAB-TVV |
Cold Engine Air Bleed - Thermal Vacuum Valve |
| CEC |
Computerized Emission Control |
| CEC |
Combustion Emission Control |
| CEL |
Check Engine Lamp (replaced with MIL) |
| CELO |
Cold Engine Lock Out |
| CEM |
Catalyst Efficiency Monitor |
| CEMF |
Counter Electromotive Force |
| CEMS |
Catalyst Efficiency Management System |
| CEMS |
Carbureted Engine Management System |
| CER |
Cold Enrichment Rod |
| CES |
Clutch Engage Switch |
| CESS |
Cold Engine Sensor Switch |
| CETS |
Cold Engine Temperature Switch |
| CEX |
Cabin Exchanger |
| cfh |
cubic feet per hour |
| CFI |
Central Fuel Injection (replaced with TBI) |
| CFI |
Continuous Fuel Injection |
| CFI |
Cross Fire Injection |
| cfm |
cubic feet per minute |
| CFS |
Carburetor Feedback System |
| CFS |
Cubic Feet per Second |
| CG |
Center of Gravity |
| CGND |
Case Ground |
| CHM |
Cabin Heater Module (Chrysler) |
| CHMSL |
Center High Mounted Stop Lamp |
| chnl |
Channel |
| CHT |
Cylinder Head Temperature |
| CHTIL |
Cylinder Head Temperature Indicator Lamp |
| CHTV |
Cylinder Head Temperature Voltage |
| CI |
Cubic Inch |
| CI |
Cylinder Injection |
| CID |
Component Identification |
| CID |
Cubic Inch Displacement |
| CID |
Cylinder Identification |
| CIS |
Continuous Injection System |
| CIS-E |
Continuous Injection System - Electronic |
| CJC |
Collision Judgment Coefficient |
| CKP |
Crankshaft Position sensor |
| CKPO |
Buffered Crankshaft speed / position sensor output signal from the PCM to the FICM |
| CKT |
Circuit |
| CL |
Closed Loop |
| CLC |
Converter Lockup Clutch (replaced with TCC) |
| CLCC |
Closed Loop Carburetor Control |
| CLR_DST |
Distance since codes cleared |
| CLS |
Closed Loop System |
| CLS |
Coolant Level Switch |
| CLSD - LP |
Fuel Closed Loop Status |
| CL-COR |
Closed Loop - Correction Factor |
| CLTBI |
Closed Loop Throttle Body Injection |
| CLYC |
Closed Loop Yaw Control |
| CLNT |
Coolant |
| c/mbr |
Cross Member |
| CMC |
Compressor Motor Controller |
| CMCV |
Charge Motion Control Valve |
| CMCVM |
Charge Motion Control Valve Monitor |
| cmd |
Command |
| cmdd |
Commanded |
| CMFI |
Central Multi-port Fuel Injection |
| CMP |
Camshaft Position |
| CMPFM |
Camshaft Position Sensor Fault Mode |
| CMPFM2 |
Camshaft Position Sensor 2 Fault Mode |
| CMP GND |
Camshaft Position Sensor Ground |
| CMPO |
Buffered Camshaft sensor position output signal from PCM to FICM |
| CMS |
Catalyst Monitor Sensor |
| CMVSS |
Canadian Motor Vehicle Safety Standards |
| CNG |
Compressed Natural Gas |
| cntr |
Center |
| CO |
Carbon Monoxide |
| CO2 |
Carbon Dioxide |
| COBDIMR |
Customer On Board Diagnostics Inspection/Maintenance Readiness |
| COC |
Conventional Oxidation Catalyst |
| COE |
Cab Over Engine |
| coil |
Field coil or ignition coil |
| coil - |
Coil negative (ground) terminal |
| coil + |
Coil positive (power or battery) terminal |
| col |
Column |
| COMBATT |
Commercially Based Tactical Truck |
| combo |
Combination |
| COMDC |
Commanded Duty Cycle |
| comm |
Communication |
| compt |
Compartment |
| cond |
Condition |
| cond |
Conditioner |
| cond |
Conditioning |
| conn |
Connector |
| con rod |
Connecting rod |
| const |
Constant |
| conv |
Converter |
| conv |
Convertible |
| conv |
Conventional |
| COP |
Coil On Plug |
| COP |
Computer Operating Properly |
| cor |
Corner |
| COTS |
Coolant Override Temperature Sensor |
| cov |
Cover |
| CP |
Crank Position |
| CP |
Canister Purge |
| CPA |
Connector Position Assurance |
| CPC |
Camshaft Position Control |
| CPCS |
Canister Purge Control Solenoid |
| CPCV |
Canister Purge Control Valve |
| CPDV |
Choke Pull-off Delay Valve |
| Cpe |
Coupe |
| CPI |
Central Port Fuel Injection |
| CPL |
Control Parts List |
| CPM |
Cellular Phone Module |
| CPM |
Cycles Per Minute |
| CPP |
Clutch Pedal Position |
| CPP/PNP |
Clutch Pedal Position / Park Neutral Position Switch |
| CPRV |
Canister Purge Regulator Valve |
| CPS |
Cam Profile Switching |
| CPS |
Center Panel Switches |
| CPS |
Central Power Supply |
| CPS |
Childseat Positioning Sensor |
| CPS |
Crank Position Sensor |
| CPS |
Cycles Per Second |
| CPS |
Canister Purge Solenoid |
| CPS |
Clutch Pedal Switch |
| CPSV |
Canister Purge Solenoid Valve |
| CPTVS |
Canister Purge Thermal Vacuum Switch |
| CPU |
Central Processing Unit |
| CPVDV |
Canister Purge Vacuum Delay Valve |
| CQIS |
Common Quality Indicator System |
| C/R |
Customer Request |
| CRR |
Cool Running Rotor |
| CRS |
Cold-Rolled Steel |
| CRT |
Cathode Ray Tube |
| CRTC |
Cathode Ray Tube Controller |
| CRTS |
Continuously Regenerating Trap System |
| CS |
Charging System |
| CS |
Control Solenoid |
| CSC |
Commercial Stripped Chassis |
| CSE GND |
PCM Case Ground |
| CSFI |
Central Sequential Fuel Injection |
| CSFIS |
Cold Start Fuel Injector Switch |
| CSI |
Compression Sense Ignition |
| CSM |
Central Security Module |
| CSOV |
Canister Purge Shut Off Valve |
| CSS |
Coast Clutch Solenoid |
| CSSA |
Cold Start Spark Advance |
| CSSH |
Cold Start Spark Hold |
| cSt |
Centistokes |
| CSTO |
Compression Sense Time-Out |
| CSTTS |
Cold Start Thermal Time Switch |
| CSV |
Cold Start Valve |
| CT |
Conventional Thermactor |
| CTAVS |
Cold Temperature Activated Vacuum System |
| CTC |
Coolant Temperature Control |
| CTCV |
Coolant Temperature Control Valve |
| CTD |
Content Theft Deterrent |
| ctl |
Control |
| CTM |
Central Timer Module |
| CTO |
Coolant Temperature Override |
| CTO |
Clean Tach Output |
| CTOX |
Continuous Trap Oxidizer |
| CTP |
Closed Throttle Position (switch) |
| CTS |
Coolant Temperature Sensor |
| CTS |
Charge Temperature Switch |
| CTS |
Charge Temperature Sensor |
| CTTS |
Coolant Temperature Thermo - Switch |
| CTVS |
Closed Throttle Vacuum Switch |
| CV |
Constant Velocity |
| CV |
Check Valve |
| CV |
Conventional Vehicle |
| CV |
Crankcase Ventilation |
| CV |
Control Valve |
| CV |
Continuously Variable |
| CVC |
Constant Vacuum Control |
| CVCC |
Compound Vortex Combustion Control |
| CVCV |
Constant Vacuum Control Valve |
| CVN |
Calibration Verification Number |
| CVR |
Control Vacuum Rod |
| CVR |
Control Vacuum Regulator |
| CVRSS |
Continuously Variable Road Sensing Suspension |
| CVRTD |
Continuously Variable Real Time Damping |
| CVS |
Coolant Vacuum Switch |
| CVS |
Constant Volume Sampling |
| CVS |
Control Vent Solenoid |
| CVS |
Crowd Vacuum Switch |
| CVS |
Canister Vent Solenoid |
| CVSCC |
Coolant Vacuum Switch Cold Closed |
| CVSCO |
Coolant Vacuum Switch Cold Open |
| CVSV |
Carburetor Vent Switching Valve |
| CVT |
Continuously Variable Transmission, Transaxle |
| cw |
Clockwise |
| CWM |
Cold Weather Modulator |
| CWR |
Cargo Weight Rating |
| CWS |
Continental Wheel System |
| cyl |
Cylinder |
| CZS |
Crash Zone Sensor |
| D |
| da |
Dash |
| DAA |
Digital Audio Amplifier Module (Chrysler) |
| DAB |
Delayed Accessory Bus |
| DAB |
Driver AirBag (module) |
| DAC |
Digital to Analog Converter |
| DAM |
Diversity Antenna Module (GM) |
| DART |
Diagnostic And Reprogramming Tool |
| dB |
Decibels |
| DB |
Dark Blue |
| dBA |
decibels on A-weighted scale |
| DBB |
Dual Bed Bead |
| DBC |
Dual-Bed Catalytic |
| dbl |
Double |
| DBM |
Dual Bed Monolith |
| DC |
Direct Current |
| DC |
Duty Cycle |
| DCCSM |
Dual Climate Controlled Seat Module |
| DCL |
Data Communications Link |
| DCM |
Door Control Module |
| DCS |
Deceleration Control System |
| DCTO |
Dual Coolant Temperature Override |
| DDA |
Detroit Diesel Allison |
| DDC |
Diesel Data Center |
| DDD |
Dual Diaphragm Distributor |
| DDE |
Digital Diesel Electronics |
| DDL |
Diagnostic Data Link |
| DDM |
Driver's Door Module |
| DDS |
Deflection Detection System |
| DDS |
Driver's Door Switch |
| DE |
Drive End |
| dec |
Decrement |
| DEC |
Digital Electronic Controller |
| def |
Defroster |
| def |
Deflector |
| DEFI |
Digital Electronic Fuel Injection |
| DELTMAP |
Delta Manifold Absolute Pressure (before FMEM substitution) |
| DE-MOSFET |
Depletion Enhancement - Metal Oxide Semiconductor Field Effect Transistor |
| DERM |
Diagnostic Energy Reserve Module |
| des |
Desired |
| DFC |
Deceleration Fuel Control |
| DFCO |
Deceleration Fuel CutOff |
| DFI |
Direct (or digital) Fuel Injection |
| DFS |
Dual Function Switch |
| DFS |
Deceleration Fuel Shutoff |
| DGI |
Direct Gasoline Injection |
| DI |
Distributor Ignition |
| DI |
Direct Ignition |
| DI |
Direct Injection |
| dia |
Diameter |
| diag |
Diagonal |
| diag |
Diagnose |
| diag |
Diagnosis |
| DIC |
Driver Information Center |
| DI CCD |
Distributor Ignition - Computer Controlled Dwell |
| DID |
Direct Injection Diesel |
| diff |
Differential |
| DIM |
Dashboard Integration Module |
| dis |
Disable |
| DIS |
Direct (aka Distributorless) Ignition System (replaced with EI) |
| disc |
Disconnect |
| DISI |
Direct Injection, Spark Ignition |
| DIST |
Distributor |
| DIST |
Distributorless Ignition System Tester |
| div |
Division |
| DIY |
Do It Yourself |
| DJP |
Diagnostic Junction Port |
| DKV |
Deceleration Kick Valve |
| DLC |
Data Link Connector |
| DLC |
Diamond Logic Computer |
| DLI |
Distributorless Ignition |
| DM |
Diagnostic Module (Emission Monitor) |
| DMCM |
Driver Motor Control Module |
| DMCV |
Deceleration Mixture Control Valve |
| DME |
Digital Motor Electronics |
| DMIVA |
Distributor Mounted Ignition module with Vacuum Advance |
| DMM |
Digital MultiMeter |
| DMS |
Dual Manifold System |
| DMSD |
Drive Motor Speed and Direction |
| DMV |
Distributor Modulator Valve |
| DOHC |
Double Overhead Cam |
| DOL |
Data Output Link |
| DOV |
Dual Orifice Valve |
| DNR |
Dolby Noise Reduction |
| DOL |
Data Output Line |
| DPFE |
Differential Pressure Feedback EGR |
| DP |
Dash Pot |
| DP |
Dual Plug |
| DPD |
Dual Point Distributor |
| DPDIS |
Dual Plug Distributorless Ignition System |
| DPDT |
Double Pole Double Throw |
| DPFE |
Differential Pressure Feedback EGR, or Delta Pressure Feedback EGR |
| DPH |
Dual Plug Head |
| DPI |
Dual Plug Inhibit |
| DPS |
Differential Pressure Switch |
| DPST |
Double Pole Single Throw |
| DPVS |
Distributor Ported Vacuum Switch |
| dr |
Door |
| DRB |
Diagnostic Readout Box |
| DRB-II |
Diagnostic Readout Box-stage II |
| DRB-III |
Diagnostic Readout Box-stage III |
| DRCV |
Distributor Retard Control Valve |
| DRF |
Deactivating Roller Follower |
| DRI |
Deposit Resistant Injector |
| DRL |
Daytime Running Lamps |
| DRR |
Digital Radio Receiver |
| DRS |
Distance Rpm Sensor |
| DRS |
Distributor Retard Solenoid |
| DRW |
Dual Rear Wheel |
| DS |
Distance Sensor |
| DS |
Dura-Spark |
| DS |
Deceleration Solenoid |
| DS |
Detonation Sensor |
| DSCC |
Distance Sensing Cruise Control |
| DS/CP/TVS |
Distributor Spark / Canister Purge / Thermal Vacuum Switch |
| DSD |
Drivers Sliding Door |
| DSDA |
Dual Stage Driver Airbag |
| DSDV |
Distributor Spark Delay Valve |
| DSI |
Dual Stage Inflator |
| DSI |
Distributorless Semiconductor Ignition |
| DSM |
Driver's Seat module |
| DSO |
Digital Storage Oscilloscope |
| DSP |
Digital Signal Process |
| DSPA |
Dual Stage Passenger Airbag |
| DSR |
Diagnostic Subroutine (KOEO or KOER) |
| DSRC |
Dedicated Short Range Communication |
| DSS |
Downshift Solenoid |
| DSST |
Dunlop Self Supporting Tire |
| DS/TVS |
Distributor Spark / Thermal Vacuum Switch |
| DS/TVV |
Distributor Spark / Thermal Vacuum Valve |
| DS/VDV |
Distributor Spark / Vacuum Delay Valve |
| DS/VMV |
Distributor Spark / Vacuum Modulator Valve |
| DS/VRDV |
Distributor Spark / Vacuum Retard Delay Valve |
| DS/VRV |
Distributor Spark / Vacuum Regulator Valve |
| DSAS |
Deceleration Spark Advance System |
| DTC |
Diagnostic Trouble Code |
| DTCS |
Distributor Thermal Control Switch |
| DTCV |
Distributor Thermal Control Valve |
| DTM |
Deceleration Throttle Modulator |
| DTM |
Diagnostic Test Mode |
| DTR |
Digital Transmission Range |
| DTRM |
Diesel Thermo Recirculation Module |
| DTT |
Diesel Transmission Technologies |
| DTVS |
Delay Thermal Vacuum Switch |
| DTVS |
Dual Temperature Vacuum Switch |
| DTVV |
Delay Thermal Vacuum Valve |
| DV |
Diverter Valve |
| DV |
Delay Valve |
| DVA |
Distributor Vacuum Advance |
| DVAC |
Distributor Vacuum Advance Control |
| DVAS |
Distributor Vacuum Advance Solenoid |
| DVC |
Distributor Vacuum Control |
| DVCD |
Distributor Vacuum Control Delay |
| DVCS |
Distributor Vacuum Control Solenoid |
| DVCV |
Distributor Vacuum Control Valve |
| DVD |
Digital Versatile Disc, or Digital Video Disk |
| DVMC |
Distributor Vacuum Modulator Valve |
| DVOM |
Digital Volt-Ohmmeter |
| DVRS |
Distributor Vacuum Retard Switch |
| DVRV |
Distributor Vacuum Regulating Valve |
| DVSV |
Distributor Vacuum Solenoid Valve |
| DV-TW |
Delay Valve - Two Way |
| DV/TS |
Delay Valve / Trapped Spark |
| DVVV |
Distributor Vacuum Vent Valve |
| E |
| E |
Electromotive force |
| E4OD |
Electronic 4-Speed Overdrive |
| E85 |
Ethanol 85 percent |
| ea |
Each |
| EA |
Electronic Accelerator |
| EABCV |
Electronic Air Bleed Control Valve |
| EAC |
Electric Assist Choke |
| EAC |
Electronic Air Control (replaced with AIR) |
| EAC&EAS |
Electric Air Control valve & Electric AIR Switch valve |
| EAC&LACN |
Electric Air Control valve & Low vacuum Air Control valve |
| EACV |
Electric Air Control Valve |
| EADV |
Electric Air Divert Valve |
| EAIR |
Electronic (secondary) Air Injection Reaction |
| EAIRM |
Electric Air Pump Monitor |
| EAM |
Electronic AIR Management |
| EAP |
Electronic AIR Pump |
| EAS |
Electronic Air Suspension |
| EAS |
Electrically Assisted Steering |
| EAS |
Electronic Air Switching |
| EAT |
Electronic Automatic Transaxle |
| EATC |
Electronic Automatic Temperature Control |
| EATX |
Electronic Automatic Transaxle Control Module (Chrysler ) |
| EAVS |
Electronically Actuated Vacuum Switch |
| EBC |
Electronic Brake Control |
| EBCM |
Electronic Brake Control Module |
| EBCV |
Electronic Bleed Control Valve |
| EBD |
Electronic Brake force Distribution |
| EBL |
Electric Back-Lite: refers to the heated rear window system |
| EBM |
Electronic Brake Module |
| EBP |
Exhaust Back Pressure |
| EBTCM |
Electronic Brake and Traction Control Module |
| EC |
Electrical Center |
| EC |
Electronic Control |
| EC |
Electric Choke |
| EC |
Engine Control |
| E&C |
Entertainment and Comfort |
| ECA |
Electronic Control Assembly (replaced with PCM) |
| ECAS |
Electronic Control Air Sensor |
| ECAT |
Electronically Controlled Automatic Transaxle |
| ECC |
Electronic Climate Control |
| ECCS |
Electronic Computer Control System |
| ECCS |
Electronic Constant Control System |
| ECD |
Electronically Controlled Deceleration |
| ECES |
Electronic Control/Electric Switching |
| ECI |
Electronic Controlled Ignition |
| ECI |
Electronically Controlled Injection |
| ECI |
Extended Compressor at Idle |
| ECL |
Engine Coolant Level |
| ECM |
Electronic Control Module |
| ECM |
Engine Control Module |
| ECS |
Electronic Crash Sensor |
| ECS |
Emission Control System |
| ECS |
Evaporative Control System |
| ECT |
Engine Coolant Temperature (Switch, Sensor) |
| ECT |
Electronic Controlled Transmission |
| ECTS |
Engine Coolant Temperature Sensor |
| ECTV |
Emission Control Thermostat Valve |
| ECTV |
Engine Coolant Temeprature Input Voltage |
| ECU |
Electronic Control Unit |
| ECVT |
Electro - Continuously Variable Transmission |
| ECVT |
Electronic Continuously Variable Transmission |
| EDF |
Electric Drive Fan (relay) |
| EDIS |
Electronic Direct Ignition System (replaced with EI) |
| EDIS |
Electronic Distributorless Ignition System |
| EDM |
Electronic Distributor Modulator |
| EDR |
Event Data Recorder |
| EDRS |
Electronic Data Retrieval System |
| EDS |
Electronic Diesel System |
| EDSR |
Electronic Dealer Service (Investigation) Report |
| EEC |
Electronic Engine Control |
| EEC |
Evaporative Emission Control |
| EEC-I |
An early Ford electronic engine control that only controlled ignition advance and retard |
| EEC-II |
Second generation of EEC system that controlled spark and EGR |
| EEC-III |
An early 1980 Ford electronic microprocessor engine-control system |
| EEC-IV |
Ford electronic engine control system using sequential port fuel injectors |
| EEC-V |
Fifth generation EEC system |
| EECS |
Evaporative Emissions Control System |
| EEDS |
Electric-Electronic Distribution System |
| EEGR |
Electronic Exhaust Gas Recirculation |
| E2PROM |
Electronically Erasable Programmable Read Only Memory |
| EEPROM |
Electronically Erasable Programmable Read Only Memory |
| EESS |
Evaporative Emission Shed System |
| EET |
Electronic Exhaust Gas Recirculation Transducer |
| EEVIR |
Evaporator Equalized Values In Receiver |
| EF |
Electronic Feedback |
| EFC |
Electronic Fuel Control |
| EFC |
Electronic Feedback Carburetor |
| EFE |
Early Fuel Evaporation |
| EFE-CV |
Early Fuel Evaporation - Control Valve |
| EFE-DTVS |
Early Fuel Evaporation - Delay Thermal Vacuum Switch |
| EFE-HCV |
Early Fuel Evaporation - Heat Control Valve |
| EFE-OTS |
Early Fuel Evaporation - Oil Temperature Switch |
| EFE-PTC |
Early Fuel Evaporation - Positive Temperature Coefficient |
| EFE-PVS |
Early Fuel Evaporation - Ported Vacuum Switch |
| EFE-TVS |
Early Fuel Evaporation - Thermal Vacuum Switch |
| EFE-TVV |
Early Fuel Evaporation - Thermal Vacuum Valve |
| EFE-VSV |
Early Fuel Evaporation - Vacuum Switching Valve |
| EFI |
Electronic Fuel Injection |
| EFM |
Electronic Fuel Monitoring |
| EFI-MA |
Electronic Fuel Injection - Mass Airflow |
| EFT |
Engine Fuel Temperature |
| EFTA |
Engine Fuel Temperature - Bank 1 Input DEGREES |
| EFTA V |
Engine Fuel Temperature - Bank 1 Input VOLTS |
| EFTB |
Engine Fuel Temperature - Bank 2 Input DEGREES |
| EFTB V |
Engine Fuel Temperature - Bank 2 Input VOLTS |
| EGC |
Electronic Gauge Cluster |
| EGC |
Exhaust Gas Check Valve |
| EGI |
Electronic Gasoline Injection |
| EGO |
Exhaust Gas Oxygen (replaced with O2S) |
| EGOG |
EGO signal return with separate grounds on the engine block |
| EGOR |
EGO signal return with separate grounds on the engine block |
| EGR |
Exhaust Gas Recirculation |
| EGRBARO |
Enable Baro Read instead of EGR pressure |
| EGRC |
Exhaust Gas Recirculation Control Solenoid |
| EGR-BPBV |
Exhaust Gas Recirculation - Bypass Back Pressure Valve |
| EGR-BPV |
Exhaust Gas Recirculation - Bypass Valve |
| EGR-BS |
Exhaust Gas Recirculation - Bleed Solenoid |
| EGR-BVSV |
Exhaust Gas Recirculation - Bimetal Vacuum Switching Valve |
| EGR-C |
Exhaust Gas Recirculation - Control |
| EGR-CC |
Exhaust Gas Recirculation - Coolant Controlled |
| EGR-CLPS |
Exhaust Gas Recirculation - Control Lever Position Sensor |
| EGR-CM |
Exhaust Gas Recirculation - Computer Modulated |
| EGRCMDS |
EGR Motor Commanded In Steps |
| EGR-CS |
Exhaust Gas Recirculation - Coolant Solenoid |
| EGR-CTO |
Exhaust Gas Recirculation - Coolant Temperature Override |
| EGR-CTS |
Exhaust Gas Recirculation - Charge Temperature Sensor |
| EGR-CTTS |
Exhaust Gas Recirculation - Coolant Temperature Thermal Switch |
| EGR-CV |
Exhaust Gas Recirculation - Control Valve |
| EGR-CVCV |
Exhaust Gas Recirculation - Constant Vacuum Control Valve |
| EGR-CVS |
Exhaust Gas Recirculation - Control Vent Solenoid |
| EGR-DC |
Exhaust Gas Recirculation - Digital Control |
| EGR-DCTO |
Exhaust Gas Recirculation - Dual Coolant Temperature Override |
| EGR-DPFE |
Exhaust Gas Recirculation - Delta Pressure Feedback EGR |
| EGR-DT |
Exhaust Gas Recirculation - Delay Timer |
| EGR-DTVS |
Exhaust Gas Recirculation - Delay Thermal Vacuum Switch |
| EGR-DV |
Exhaust Gas Recirculation - Delay Valve |
| EGR-EPRS |
Exhaust Gas Recirculation - Exhaust Pressure Regulator Solenoid |
| EGR-EPRV |
Exhaust Gas Recirculation - Exhaust Regulator Valve |
| EGR-EPV |
Exhaust Gas Recirculation - External Pressure Valve |
| EGR_ERR |
EGR Error Displayed in % |
| EGR-ESS |
Exhaust Gas Recirculation - Engine Speed Sensor |
| EGR-EVRV |
Exhaust Gas Recirculation - Electronic Vacuum Regulator Valve |
| EGR-FDV |
Exhaust Gas Recirculation - Forward Delay Valve |
| EGR-FJS |
Exhaust Gas Recirculation - Floor Jet System |
| EGRFLW |
Actual EGR Mass Flow |
| EGR-LCV |
Exhaust Gas Recirculation - Load Control Valve |
| EGRMC |
Electric Exhaust Gas Recirculation Motor Control |
| EGRMC1 |
EGR Motor Control Output Command |
| EGRMC2 |
EGR Motor Control Output Command |
| EGRMC3 |
EGR Motor Control Output Command |
| EGRMC4 |
EGR Motor Control Output Command |
| EGRMDSD |
Electric EGR Motor Commanded in Steps Displayed in Steps |
| EGRMOD |
EGR Modifier |
| EGR_PCT |
Commanded EGR Displayed in % |
| EGR-PS |
Exhaust Gas Recirculation - Position Sensor |
| EGR-PVS |
Exhaust Gas Recirculation - Ported Vacuum Switch |
| EGR-QVRV |
Exhaust Gas Recirculation - Quick Vacuum Response Valve |
| EGR-R |
Exhaust Gas Recirculation - Regulator |
| EGR-S |
Exhaust Gas Recirculation - Solenoid |
| EGR-S/O |
Exhaust Gas Recirculation - Shut/Off |
| EGR-SC |
Exhaust Gas Recirculation - Signal Converter |
| EGR-SFVV |
Exhaust Gas Recirculation - Solenoid Fuel Vacuum Valve |
| EGR-SR |
Exhaust Gas Recirculation - Solenoid & Regulator |
| EGR-SVV |
Exhaust Gas Recirculation - Solenoid Vacuum Valve |
| EGRT |
Exhaust Gas Recirculation Temperature (switch) |
| EGR-TC |
Exhaust Gas Recirculation - Transmission Controlled |
| EGR-TCTVS |
Exhaust Gas Recirculation - Torque Converter Thermal Vacuum Switch |
| EGR-TDS |
Exhaust Gas Recirculation - Temperature Diagnosis Switch |
| EGR-TS |
Exhaust Gas Recirculation - Thermal Switch |
| EGR-TVS |
Exhaust Gas Recirculation - Thermal Vacuum Switch |
| EGR TVV |
Exhaust Gas Recirculation Thermal Vacuum Valve |
| EGRV |
Exhaust Gas Recirculation Vent |
| EGR-VC |
Exhaust Gas Recirculation - Valve Control |
| EGR-VCGV |
Exhaust Gas Recirculation - Vacuum Control Gradient Valve |
| EGR-VCV |
Exhaust Gas Recirculation - Vacuum Control Valve |
| EGR-VCVF |
Exhaust Gas Recirculation - Vacuum Control Valve Filter |
| EGRVR |
Exhaust Gas Recirculation Vacuum Regulator |
| EGRVRA |
Exhaust Gas Recirculation Vacuum Regulator Actual (volts) |
| EGRVRF |
Exhaust Gas Recirculation Vacuum Regulator Fault |
| EGR-VS |
Exhaust Gas Recirculation - Vacuum Switch |
| EGR-VSDV |
Exhaust Gas Recirculation - Vacuum Switch Dump Valve |
| EGR-VSS |
Exhaust Gas Recirculation - Vacuum Switch Solenoid |
| EGR-VSV |
Exhaust Gas Recirculation - Vacuum Switching Valve |
| EGR-VVCS |
Exhaust Gas Recirculation - Venturi Vacuum Control System |
| EGS |
Exhaust Gas Sensor |
| EGTS |
Exhaust Gas Temperature Switch (replaced with EGRT) |
| EHC |
Exhaust Heat Control |
| EHB |
Electro-Hydraulic Brake |
| EHCU |
Electronic Hydraulic Control Unit |
| EHOC |
Electrically Heated Oxidation Catalyst |
| EHPA |
Electro-Hydraulic Power Assist |
| EHPAS |
Electric Hydraulic Power Assisted Steering |
| EHPS |
Electro-Hydraulic Power Steering |
| EHTWC |
Electrically Heated Three Way Catalyst |
| EI |
Electronic Ignition (includes Distributorless Ignition System, formerly DIS) |
| EIC |
Electronic Instrument Cluster |
| EI-HDR |
Electronic Ignition - High Data Rate |
| EI-LDR |
Electronic Ignition - Low Data Rate |
| EIN |
Engine Identification Number |
| EIS |
Electronic Ignition System |
| EL |
Exposure Limit |
| EL |
Electrical Load Control Solenoid |
| ELB |
Electronic Lean Burn |
| ELC |
Electronic Level Control |
| elec |
Electric |
| ELU |
Electrical Load Unit |
| EM |
Energy Management |
| EM |
Engine Modification |
| EMC |
Electro-Magnetic Compatibility |
| EMCC |
Electronically Modulated Converter Clutch |
| EMAS |
Engine Management and Analysis System |
| EMAT |
Electro-Mechanical Automatic Transmission |
| EMB |
Electromagnetic Brakes |
| EMB |
Electro-Mechanical Brake |
| EMCC |
Electronically Modulated Converter Clutch |
| EMF |
ElectroMotive Force (voltage) |
| EMI |
Electromagnetic Interference |
| E-MOSFET |
Enhancement - Metal Oxide Semiconductor Field Effect Transistor |
| EMR |
Electronic Module Retard |
| EMR |
Emission Maintenance Reminder |
| EMW |
Emission Maintenance Warning |
| eng |
Engine |
| EOBD |
Enhanced On-Board Diagnostics |
| EOL |
End of Line |
| EONV |
Engine Off Natural Vacuum |
| EOP |
Engine Oil Pressure |
| EOS |
Exhaust Oxygen Sensor |
| EOT |
Engine Oil Temperature |
| EOTF |
Engine Oil Temperature Fault Detection |
| EOT V |
Engine Oil Temperature Volts |
| EP |
Exhaust Pressure |
| EP |
Extreme Pressure |
| EP |
Exhaust Purging |
| EPA |
Environmental Protection Agency |
| EPACT |
Energy Policy Act |
| EPC |
Electronic Pressure Control |
| EPCV |
Electronic Pressure Control Volts (Transmission Line Pressure Control Voltage) |
| EPHS |
Electrically Powered Hydraulic Steering |
| EPIC |
Electronic Programmable Injection Control |
| EP lube |
Extreme Pressure lubricant |
| EPR |
Exhaust (back)Pressure Regulator |
| EPR |
Evaporator Pressure Regulator |
| EPROM |
Erasable Programmable Read Only Memory |
| EPRS |
Exhaust Pressure Regulator Solenoid |
| EPRV |
Exhaust Pressure Regulator Valve |
| EPS |
Electric Power Steering |
| EPS |
Engine Position Sensor |
| EPT |
EGR Pressure Transducer (replaced with PFE) |
| EPV |
EGR Position Valve |
| EPV |
External Pressure Valve |
| EQ_RAT |
Commanded Equivalance Ratio |
| ER |
Engine Running |
| ERH |
Extended Ride Height |
| ERS |
Engine RPM Sensor |
| ESA |
Electronic Spark Advance |
| ESAC |
Electronic Spark Advance Control |
| ESB |
Energy Storage Box |
| ESB |
Expansion Spring Brake |
| ESC |
Electrical Systems Controller |
| ESC |
Electronic Spark Control |
| ESC |
Electronic Suspension Control |
| ESC |
Extended Service Contract |
| ESCM |
Electronic Spark Control Module |
| ESCM |
Energy Storage Control Module |
| ESD |
Electrostatic Discharge |
| ESM |
EGR System Module |
| ESM |
Electronic Steering Module |
| ESN |
Electronic Serial Number |
| ESN |
Engine Serial Number |
| ESO |
Engine ShutOff |
| ESOF |
Electronic Shift On (the) Fly |
| ESP |
Electronic Stability Program |
| ESS |
Electronic Spark Selection |
| ESS |
Engine Speed Sensor |
| ESS |
Electronic Shift Scheduling |
| EST |
Electronic Spark Timing |
| ESV |
Experimental Safety Vehicle |
| ET |
Elapsed Time |
| ETA |
Estimated Time of Arrival |
| ETB |
Electronic Throttle Body |
| ETBE |
Ethyl Tertiary Butyl Ether |
| ETC |
Electronic Temperature Control |
| ETC |
Electronic Throttle Control |
| ETC |
Electronic Timing Control |
| ETCC |
Electronic Touch Climate Control |
| ETCIL |
Electronic Throttle Control Indicator Lamp |
| ETR |
Electronically Tuned Receiver |
| ETR |
Emergency Tensioning Retractor |
| ETS |
Engine Temperature Sensor |
| ETS |
Enhanced Traction System |
| ETSA |
Engine Timing Sensor Assembly |
| ETV |
Electronic Throttle Valve |
| EUDC |
Extra-Urban Driving Cycle |
| EUDC-LP |
Extra-Urban Driving Cycle for Low Power vehicles |
| EV |
Electric Vehicle |
| EVA |
Electronic Vibration Analyzer |
| EVAP |
Evaporative Emission |
| EVAP |
EVAPorator |
| EVAP-AAC |
Fuel evaporative system - Auxiliary Air Control |
| EVAP-BVSV |
Fuel evaporative system - Bimetal Vacuum Switching Valve |
| EVAPCP |
Evaporative Canister Purge Solenoid |
| EVAP-CPCS |
Fuel evaporative system - Canister Purge Control Solenoid |
| EVAPCPF |
Evaporative Emissions Canister Purge Fault |
| EVAP-CPT |
Fuel evaporative system - Canister Purge Timer |
| EVAP-CPTVS |
Fuel evaporative system - Canister Purge Thermal Valve Switch |
| EVAP-CPVDV |
Fuel evaporative system - Canister Purge Vacuum Delay Valve |
| EVAP-CS |
Fuel evaporative system - Control Solenoid |
| EVAPCV |
Evaporative Canister Vent Solenoid |
| EVAPCVF |
Evaporative Emissions Canister Purge Vent Fault |
| EVAP-CVSV |
Fuel evaporative system - Canister Vent Switching Valve |
| EVAP-CVSV |
Fuel evaporative system - Carburetor Vent Switching Valve |
| EVAP-DCTO |
Fuel evaporative system - Dual Coolant Temperature Override |
| EVAP-FBVS |
Fuel evaporative system - Fuel Bowl Vent Solenoid |
| EVAP-FBVV |
Fuel evaporative system - Fuel Bowl Vent Valve |
| EVAP-FVS |
Fuel evaporative system - Fuel Vapor Separator |
| EVAP-IVS |
Fuel evaporative system - Inner Vent Solenoid |
| EVAP-OVCV |
Fuel evaporative system - Outer Vent Control Valve |
| EVAP-PCSV |
Fuel evaporative system - Purge Cut-off Solenoid Valve |
| EVAP_PCT |
Commanded Evaporative Purge Displayed in % |
| EVAPPDC |
Evaporative Canister Purge Duty Cycle |
| EVAPPF |
Evaporative Purge Flow Input |
| EVAP-PRRV |
Fuel evaporative system - Pressure Release Rollover Valve |
| EVAP-PVS |
Fuel evaporative system - Ported Vacuum Switch |
| EVAP-RVSV |
Fuel evaporative system - Rollover Vapor Separator Valve |
| EVAPSOK |
Evaporative Emissions Monitor Soak Conditions are Met |
| EVAP-SV |
Fuel evaporative system - Solenoid Valve |
| EVAP-TPBPV |
Fuel evaporative system - Tank Pressure By Pass Valve |
| EVAP-TPCV |
Fuel evaporative system - Tank Pressure Control Valve |
| EVAP-TS |
Fuel evaporative system - Temperature Switch |
| EVAP-TV |
Fuel evaporative system - Thermal Valve |
| EVAP-TVS |
Fuel evaporative system - Thermal Vacuum Switch |
| EVAP-TWV |
Fuel evaporative system - Two Way Valve |
| EVAP-VC |
Fuel evaporative system - Vapor Canister |
| EVAP-VCV |
Fuel evaporative system - Vapor Canister Valve |
| EVAP-VM |
Fuel evaporative system - Vacuum Motor |
| EVAPVMA |
Evaporative Vapor Management Valve Internal Circuit Monitor |
| EVAP_VP |
Evaporative System Vapor Pressure Displayed in Pa |
| EVAP-VS |
Fuel evaporative system - Vacuum Sensor |
| EVAP-VSV |
Fuel evaporative system - Vacuum Switching Valve |
| EVAP-VV |
Fuel evaporative system - Ventilation Valve |
| EVIC |
Electronic Vehicle Information Center |
| EVMV |
Electric Vapor Management Valve |
| EVO |
Electronic Variable Orifice |
| EVP |
EGR Valve Position (sensor) |
| EVR |
EGR Vacuum Regulator |
| EVR |
Electronic Voltage Regulator |
| EVR |
Electronic Vehicle Report |
| EVRV |
Electronic Vacuum Regulator Valve |
| EVRV |
Exhaust gas recirculation Vacuum Regulator Valve |
| EVTOP |
Enhanced Tactical Vehicle Occupant Protection |
| EVTM |
Electrical & Vacuum Troubleshooting Manual |
| EWMA |
Exponentially Weighted Moving Average |
| EWP |
Electric Water Pump |
| exc |
Except |
| EXH |
Exhaust |
| extn |
Extension |
| EZK |
Type of ignition system used by Porsche |
| F |
| F4WD |
Full Time Four Wheel Drive |
| FABS |
Flexible Auto Body System |
| FAF |
Fan Air Flow |
| FAM |
Feedback Actuator Motor |
| FANDC |
Variable Speed Fan Duty Cycle % |
| FANSS |
Fan Speed Sensor Signal |
| FANSSM |
Variable Speed Fan Hall Sensor Input |
| FANVARF |
Variable Speed Fan Output Fault |
| FB |
Fuse Block |
| FB |
Fuse Box |
| FBC |
Feedback Carburetor |
| FBC |
Feed Back Control |
| FBCA |
Feed Back Carburetor Actuator |
| FBVA |
Fuel Bowl Vent Actuator |
| FBVS |
Fuel Bowl Vent Solenoid |
| FBVV |
Fuel Bowl Vent Valve |
| FC |
Forward Control |
| FC |
Fan Control |
| FC |
Friction Curve |
| FC1 |
Fan Control 1 |
| FC2 |
Fan Control 2 |
| FC3 |
Fan Control 3 |
| FCIL |
Fuel Cap Indicator Lamp |
| FCM |
Front Control module |
| FCOS |
Fuel Cut-Off Solenoid |
| FCP |
Fuel Cell Partnership |
| FCS |
Feedback Control Solenoid |
| FCS |
Fuel Control Solenoid |
| FCS |
Fuel Compensation Sensor |
| FCS |
Fuel Concentration Sensor |
| FCU |
Front Control Unit |
| FCV |
Fan Control Variable |
| FCV |
Fuel Cell Vehicle |
| FDBK |
Feedback |
| FDC |
Fuel Data Center |
| FDCS |
Fuel Delivery Command Signal |
| FDV |
Forward Delay Valve |
| FEAD |
Front End Accessory Drive (belt) |
| FEC |
Fuel Evaporation Control |
| FED |
Federal (except California) |
| FEDS |
Fuel Enable Data Stream |
| FEDS |
Flexible Engine Diagnostic System |
| FEEPROM |
Flash Electrically Erasable Programmable Read-Only Memory |
| FEIC |
Fuel Economy Integrated Counter |
| FEPROM |
Flash Erasable Programmable Read-Only Memory |
| FEPS |
Flash EEPROM Programming Signal |
| FET |
Field Effect Transistor |
| FEV |
Fuel Enrichment Valve |
| FEX |
Front Exchanger |
| FF |
Flexible Fuel |
| FFCRS |
Front-Facing Child Restraint System |
| FFFP |
Fuel-Flexible Fuel Processor |
| FFH |
Fuel Fired Heater |
| FFS |
Fine-blanking and Finishing System |
| FFS |
Flexible Fuel Sensor |
| FFV |
Flexible Fuel Vehicle |
| FFWS |
Fuel Filter Water Separator |
| FH |
Field Housing |
| FI |
Fuel Injection |
| FIC |
Fast Idle Control |
| FICD |
Fast Idle Control Device |
| FICM |
Fuel Injector Control Module |
| FICMM |
FICM power monitor output |
| FIDO |
Flame Ionization Detector Optimization |
| FIM |
Fuel Indicator Module |
| FIPL |
Fuel Injection Pump Lever |
| FIPT |
Fuel Inlet Pressure Test |
| FIS |
Fuel Injection Solenoid |
| FISR |
Fast Idle Solenoid Relay |
| FITS |
Fast Idle Temperature Sensor |
| FJS |
Floor Jet System |
| FL |
Front Left |
| FLC |
Fluid Lockup Converter |
| FLI |
Fuel Level Input |
| FLI |
Fuel Level Indicator Input |
| FLI V |
Fuel Level Input Voltage |
| FLO |
Fast Light-Off |
| flr |
Floor |
| FLS |
Fuel Level Sensor |
| FLVV |
Fill Limit Vent Valve |
| FM |
Frequency Modulation |
| FM |
Fan Monitor |
| FMC |
Ford Motor Company |
| FMEM |
Failure Mode Effects Management |
| FMVSS |
Federal Motor Vehicle Safety Standards |
| fndr |
Fender |
| FOTCC |
Fixed Orifice Tube Cycling Clutch |
| FP |
Fuel Pump |
| FP |
Fuel Pump Duty Cycle |
| FPC |
Fuel Pump Control |
| FP-CKV |
Fill Pipe - Check Valve |
| FPCM |
Fuel injection Pump Control Module |
| FPDM |
Fuel Pump Driver Module |
| FPDM |
Front Passenger Door Module |
| FPF |
Fuel Pump Output Fault |
| FPI |
Fins Per Inch |
| FPI |
Feet per Second |
| FPM |
Fuel Pump Monitor |
| FPR |
Fuel Pressure Regulator |
| FPR |
Fuel Pump Regulator |
| FPRA |
Fuel Pressure Regulator Assembly |
| FPRC |
Fuel Pressure Regulator Circuit (or Control) |
| FP-RV |
Fill Pipe - Rollover Valve |
| FPR-VSV |
Fuel Pressure Regulator - Vacuum Switching Valve |
| FPS |
Fast Pass Standard |
| FPSM |
Fuel Pump Secondary Monitor |
| FPV |
Ford Performance Vehicles |
| FQS |
Fuel Quality Sensor |
| FR |
Front Right |
| FR |
Fill pipe Restrictor |
| FR & RR |
Front & Rear |
| FRACAS |
Failure Reporting And Corrective Action System |
| FRC |
Forced |
| freq |
Frequency |
| frnt |
Front |
| FRP |
Fuel Rail Pressure |
| FRP |
Fiberglass Reinforced Plastic |
| FRP_DSD |
Fuel Rail Pressure Desired |
| FRPREAB |
Fuel Rail Pressure Sensor |
| FRPV |
Fuel Rail Pressure Voltage |
| FRS |
Face Recognition System |
| FRT |
Fuel Rail Temperature |
| FRTMPAB |
Engine Fuel Temperature Bank 1 |
| FRV |
First Response Vehicle |
| FSA |
Field Service Action |
| FSC |
Fail-Safe Cooling |
| FSDI |
Four-Stroke, Direct Injection |
| FSI |
Fuel Straight Injection |
| FSS |
Forward Sensing System |
| FSSW |
Fuel Select Switch |
| FSVF |
Fuel Solenoid Valve Fault |
| FSVM |
Fuel Solenoid Valve Secondary Monitor |
| ft |
Foot |
| FT |
Fuel Trim |
| FTDPS |
Fuel Tank Differential Pressure Sensor |
| ft-lb |
Foot-pounds (torque) |
| FTO |
Filtered Tachometer Output |
| FTP |
Federal Test Procedure |
| FTP |
Fuel Tank Pressure |
| FTPT |
Fuel Tank Pressure Transducer |
| FTS |
Fan Temperature Switch |
| FTTMP |
Fuel Tank Temperature (before FMEM substitution) |
| FUDC |
Federal Urban Driving Cycle |
| FUEL-MD |
Fuel Operating Mode |
| FUELPW |
Fuel Pulse Width |
| FUELPW1 |
Injector Pulse Width Bank 1 |
| FUELPW2 |
Injector Pulse Width Bank 2 |
| FUELSYS |
Fuel System Status |
| FUEL SYS1 |
Fuel System Feedback Control Status - Bank 1 |
| FUEL SYS2 |
Fuel System Feedback Control Status - Bank 2 |
| FVCS |
Fuel Vapor Canister Solenoid |
| FVCV |
Fuel Vapor Canister Valve |
| FVS |
Fuel Vapor Solenoid |
| FW |
Flat Wire |
| fwd |
Forward |
| FWD |
Front Wheel Drive |
| G |
| G |
Green |
| GA |
Gage |
| GA |
Gravitational Acceleration |
| GAGDRIV |
Cluster Fuel Gauge Drive Signal |
| gal |
Gallon |
| GASFPR |
Gas Fuel Pump Relay |
| GASFRUN |
Run Time in Gasoline Mode |
| GAWR |
Gross Axle Weight Rating |
| GCM |
Governor Control Module |
| GCR |
Global Concern Report |
| GCW |
Gross Combined Weight |
| GCWR |
Gross Combined Weight Rating |
| g/cyl |
Grams per Cylinder |
| GCWR |
Gross Combined Weight Rating |
| GDI |
Gasoline Direct Injection |
| GEAR |
Transmission Gear Status |
| GEM |
Generic Electronic Module |
| GEM |
Gasoline Engine Management |
| GEN |
Generator |
| GENB F |
Generator 2 Fault |
| GENCOM |
Generator Command |
| GENF |
Generator Output Fault |
| GENFDC |
Generator Field Control Output |
| GENIL |
Generator Indicator Lamp |
| GENLI |
Generator Load Input |
| GENMON |
Generator Monitor Feedback |
| GENRC |
Generator Regulator Control |
| GENVDSD |
Generator Desired Voltage |
| GFS |
Generator Field Signal |
| GGT |
Gas Guzzler Tax |
| GHG |
GreenHouse Gas |
| GISMO |
Geographic Information System, Mobile |
| GM |
General Module |
| GMAPPA |
Governor Manifold Absolute Pressure Per Altitude |
| GMM |
Graphing Multi Meter |
| GN |
Green |
| GND |
Ground |
| GOVN |
Governor Module |
| GP |
General Purpose |
| GPB |
General Purpose Braided |
| GPCM |
Glow Plug Control Module |
| GPCOMM |
GPCM Communication Circuit |
| GPH |
Gallons Per Hour |
| GPK |
Grams Per Kilometer |
| GPL |
Glow Plug Indicator Lamp |
| GPM |
Gallons Per Minute |
| GPM |
Grams Per Mile |
| GPS |
Global Positioning System |
| GPT |
General Purpose Thermoplastic |
| gr |
Grey |
| G/R |
Gear Reduction |
| grds |
Guards |
| grv |
Groove |
| GS |
Garage Shift |
| g/sec |
Grams per Second |
| GSS |
Gear Select Solenoid |
| GST |
Generic Scan Tool |
| GTAC |
Gas Tungsten Arc Cutting |
| GTAW |
Gas Tungsten Arc Welding |
| GTL |
Gas To Liquid |
| GTW |
Gross Trailer Weight |
| GVW |
Gross Vehicle Weight |
| GVWR |
Gross Vehicle Weight Rating |
| GY |
Grey |
| H |
| H |
Hydrogen |
| H2DI |
Hydrogen Direct Injection |
| H2O |
Water |
| H2SO4 |
Sulfuric acid solution |
| HAC |
High Air Control |
| HAC |
High Altitude Compensator |
| HADV |
Heated Air Diverter System |
| HAI |
Hot Air Intake |
| HAP |
Hazardous Air Pollutant |
| HAS |
High Altitude System |
| HAST |
High Accelerated Stress Test |
| HBA |
Hydraulic Brake Assist |
| H'back |
Hatchback |
| HBU |
Hub Bearing Unit |
| HBV |
Heater Blower Voltage |
| HBV |
Heater By-Pass Valve |
| HC |
Hydrocarbons |
| HCB |
Heated Crankcase Breather |
| HCCI |
Homogeneous-Charge, Compression Ignition |
| HCDSS |
High Clutch Drum Speed Sensor (4R44E & 4R55E) |
| HCM |
Heating Control Module |
| HCM |
Hybrid Control Module |
| HCU |
Hydraulic Control Unit |
| HCV |
Heavy Commercial Vehicle |
| HCV |
Heat Control Valve |
| H/CMPR |
High Compression |
| HD |
Heavy Duty |
| HDB |
Heavy Duty Braided |
| HDC |
Heavy Duty Cooling |
| HDC-CTO |
Heavy Duty Cooling - Coolant Temperature Override |
| HDGV |
Heavy Duty Gasoline-fueled Vehicle |
| HDR |
High Data Rate |
| hdr |
Header |
| HDR-CKP |
High Data Rate-Crankshaft Position Sensor |
| HDT |
Heavy Duty Thermoplastic |
| HD-UDDS |
Heavy Duty Urban Dynamometer Driving Schedule |
| HDV |
Heavy Duty Vehicle |
| H/E |
Hall - Effect |
| HEC |
Hybrid Electronic Cluster |
| HEDF |
High Speed Electro Drive Fan (relay or circuit) |
| H/E-EIS |
Hall Effect - Electronic Ignition System |
| HEGO |
Heated Exhaust Gas Oxygen (sensor) (replaced with HO2S) |
| HEGOG |
HEGO Ground (circuit) |
| HEI |
High Energy Ignition system |
| HEPA |
High Efficiency Particulate Air filter |
| HEPS |
Hydraulic Electric Power Steering |
| HEUI |
Hydraulic-actuated Electronically-controlled Unit Injector |
| HEV |
Hybrid Electric Vehicle |
| HFC |
High Fan Control |
| HFC |
Hydraulic Fading Compensation |
| HFC |
Hydrofluorocarbon |
| HFCF |
High Speed Fan Control Fault |
| HFCM |
Horizontal Fuel Conditioning Module (diesel) |
| HFM |
Hot Film Meter |
| HFP |
High Fuel Pump |
| Hg |
Mercury |
| HHV |
Higher Heating Value |
| Hi ALT |
Hi Altitude |
| HIC |
Hot Idle Compensator |
| HICAS |
High Capacity Actively Controlled Steering |
| HID |
High Intensity Discharge |
| HIS |
Horizontal Impact Sensor |
| hist |
History |
| HLDT |
Heavy Light-Duty Truck |
| HLOS |
Hardware Limited Operating Strategy |
| HMMWV |
High Mobility Multipurpose-Wheeled Vehicle |
| HMIS |
Hazardous Materails Identification System |
| HO |
High Output |
| HO2S |
Heated Oxygen Sensor |
| HO2S11 |
Bank 1 Sensor 1 HO2S Input |
| HO2S12 |
Bank 1 Sensor 2 HO2S Input |
| HO2S13 |
Bank 1 Sensor 3 HO2S Input |
| HO2S21 |
Bank 2 Sensor 1 HO2S Input |
| HO2S22 |
Bank 2 Sensor 2 HO2S Input |
| horiz |
Horizontal |
| hp |
Horsepower |
| HP |
High Performance |
| HPCA |
High Pressure Cold Advance |
| HPDI |
High Pressure Direct Injection |
| HPL |
High Pressure Liquid |
| HPP |
High Pressure Pump |
| HPPC |
Hybrid Pulse Power Characterization |
| HPS |
Head Protection System |
| HPS |
High Performance System |
| HPV |
High Pressure Vapor |
| HPVS |
Heat Pump Ventilation System |
| HRC |
Headlamp Range Control |
| HRS |
Hot Rolled Steel |
| HSA |
Head Side Airbag |
| HSAL |
High Strength Alloy Steel |
| HSC |
High Swirl Combustion |
| HS-CAN |
High Speed Controller Network (J-2284, ISO-11898, 500 kB/sec ) |
| HSCDS |
High-Sensitivity Collision Detection System |
| HSDI |
High-Speed Direct Injection |
| HSE |
High-Speed Enrichment |
| HSEA |
High Solar Energy Absorbing (glass) |
| hsg |
Housing |
| HSIA |
High Speed Inlet Air System |
| HSMO |
Hydraulic System Mineral Oil |
| HSO |
High Specific Output |
| HSS |
High Speed Steel |
| HSS |
High Strength Steel |
| HT |
Hard Top |
| HTCM |
Heating-ventilation-air-conditioning Thermal Control Module |
| HTR11 |
Bank 1 Upstream 02S Heater Control |
| HTR11F |
Bank 1 Upstream 02S Heater Circuit Fault |
| HTR12 |
Bank 1 Downstream O2S Heater Control |
| HTR12F |
Bank 1 Downstream O2S Heater Circuit Fault |
| HTR21 |
Bank 2 Upstream O2S Heater Control |
| HTR21F |
Bank 2 Upstream O2S Heater Circuit Fault |
| HTR22 |
Bank 2 Downstream 02S Heater Control |
| HTR22F |
Bank 2 Downstream O2S Heater Circuit Fault |
| HTRX1 |
02S Upstream Heater Control |
| HTRX2 |
O2S Downstream Heater Control |
| HTS |
Heavy Duty Synthetic |
| HUD |
Heads Up Display |
| HVAC |
Heater-Vent-Air Conditioning |
| HVACM |
Heater-Vent-Air Conditioning Module |
| HVI |
High Viscosity Index |
| HVIL |
High Voltage Interlock Loop |
| HVLP |
High Volume, Low Pressure |
| HVM |
Heater Vent Module |
| HW |
Heated Windshield |
| HWFET |
Highway Fuel Economy Test (driving schedule) |
| hyd |
Hydraulic |
| Hydra |
Hydramatic (transmission) |
| HYPAS |
Hydraulic Power Assisted Steering |
| Hz |
Hertz |
| I |
| I |
Intensity |
| I-4 |
Inline four cylinder engine |
| I-6 |
Inline six cylinder engine |
| IA |
Intake Air |
| IABM |
Integrated AirBag Module |
| IAC |
Idle Air Control |
| IAC |
Inlet Air Control |
| IAC-BPA |
Idle Air Control - Bypass Air |
| IAC-TV |
Idle Air Control - Thermal Valve |
| IACV |
Idle Air Control Valve |
| IAFM |
Integrated Air Fuel Module |
| IAFS |
Integrated Air Fuel System |
| IAM |
Idle Air Management |
| IAS |
Inlet Air Solenoid |
| IAS |
Intake Air System |
| IAT |
Intake Air Temperature |
| IAT2 |
Intake Air Temperature 2 |
| IAT2V |
Intake Air Temperature 2 Voltage |
| IATV |
Intake Air Temperature Voltage |
| IAVC |
Idle Air Valve Control |
| IBOB |
Intelligent BreakOut Box |
| IBP |
Integral Back-Pressure |
| IC |
Ignition Control |
| IC |
Integrated Circuit |
| IC |
Internal-combustion engine |
| ICA |
Injector Cam Actuation |
| ICC |
Intelligent Cruise Control |
| ICCS |
Integrated Chassis Control System |
| ICDX |
Integrated Compact Disc Changer |
| ICE |
Internal Combustion Engine |
| ICM |
Ignition Control Module |
| ICP |
Injection Control Pressure |
| ICP |
Intergrated Control Panel and Module |
| ICS |
Integrated Chassis System |
| ICVS |
Idle Control Vacuum Solenoid |
| ICWS |
Intersection Collision Warning System |
| ID |
Identification |
| ID |
Inside Diameter |
| IDFI |
Indirect Fuel Injection |
| IDI |
Integrated Direct Ignition |
| IDI |
Indirect Diesel Injection |
| IDI |
Indirect Injection |
| IDIS |
International Dismantling Information System |
| IDL |
Idle, or Idle Switch |
| IDM |
Ignition Diagnostic Module |
| IDM |
Ignition Diagnostic Monitor |
| IDM |
Injector Driver Module |
| IDM-EN |
Injector Driver Module Enabled |
| IDS |
Integrated Diagnostic Software |
| IEDIS |
Integrated Electronic Distributorless Ignition System |
| IES |
Idle Enrichment System |
| IESR |
Ignition Electronic Spark Retard |
| IFDM |
Integrated Fuel Delivery Module |
| IFES |
Integrated Front End System |
| IFI |
Indirect Diesel Injection |
| IFI |
Inline Fuel Injection |
| IFS |
Inertia Fuel Shutoff |
| IFSM |
Integrated Fuel System Module |
| IGN |
Ignition |
| IGN GND |
Ignition Ground |
| IGN 1-10_F |
Ignition Timing Fault Detected (cylinders 1 - 10) |
| IGNPCM-F |
Spark Conduction Capture Circuit Fault Detected |
| IGN-SW |
Ignition Switch |
| IHC |
International Harvester Corporation |
| IHP |
Indicated Horsepower |
| ILC |
Idle Load Compensator |
| ILC |
Idle Load Control |
| ILC |
Generator I - Line Control |
| ILEV |
Inherently Low Emission Vehicle |
| illum |
Illumination |
| ILM |
Indicator Lamps Module |
| IM |
Ignition Module |
| I/M |
Inspection Maintenance |
| IM240 |
Inspection and Maintenance test, run for 240 seconds |
| IMA |
Integrated Motor Assist |
| IMCO |
Improved Combustion |
| IMDX |
Integrated Mini Disc Changer |
| IMEP |
Indicated Mean Effective Pressure |
| IMLUT |
Inspection/Maintenance Look-Up Table |
| immo |
Immobilizer |
| IMPR |
In-use Monitor Performance Ratio |
| IMRC |
Integrated Module Relay Controller |
| IMRC |
Intake Manifold Runner Control |
| IMRC F |
Intake Manifold Runner Control Fault |
| IMRCM |
Intake Manifold Runner Control Monitor Input Bank 1 |
| IMRCM2 |
Intake Manifold Runner Control Monitor Input Bank 2 |
| IMS |
Inductive Magnetic Saturation |
| IMS |
Instant Mobility System |
| IMS |
Inferred Mileage Sensor |
| IMS |
Ignition Module Signal |
| IMSC |
Intake Manifold Swirl Control |
| IMSC F |
Intake Manifold Swirl Control Fault |
| IMT |
Intake Manifold Tuning |
| IMTD |
Intake Manifold Temperature Differential |
| IMTV |
Intake Manifold Tuning Valve Control % |
| IMTVF |
Intake Manifold Tuning Valve Fault |
| in |
Inch(es) |
| inadv |
Inadvertent |
| inc |
Increment |
| INCA |
In-Car Acquisition |
| incand |
Incandescent |
| infl |
Inflatable |
| in-H2O |
Inches of water column |
| in-Hg |
Inches of mercury |
| init |
Initial |
| INJ |
Injection |
| INJ |
Injector |
| INJ1F-8F |
Fuel Injector Primary Fault Cylinders 1 thru 8 |
| INJ9F-IOF |
Fuel Injector Primary Fault Cylinders 9 and 10 |
| in-lb |
Inch–Pounds (torque) |
| INP |
Input |
| inlet |
Intake |
| inst |
Instant |
| inst |
Instrument |
| int |
Interior |
| int |
Integrator (replaced with ST FUEL TRIM) |
| inter |
Intermediate |
| I/O |
In/Out |
| I/O |
Input/Output |
| IOC |
Instant Oil Change |
| IOD |
Ignition Off Drain |
| IOE |
Intake Over Exhaust |
| I/P |
Instrument Panel |
| IPATS |
Integrated Passive Anti-Theft System |
| IPC |
Instrument Panel Cluster |
| IPEC |
Instrument Panel Electrical Center |
| IPM |
Instrument Panel Module |
| IPM |
Integrated Power Module |
| IPR |
Injector Pressure Regulator |
| IPS |
Idle Position Switch |
| IPTO |
Independent Power Take Off |
| IRCL |
Infrared Remote Central Locking System |
| IRCM |
Integrated Relay Control Module |
| IRDS |
Independent Rear Drive Suspension |
| IRQ |
Interrupt Request |
| IRS |
Independent Rear Suspension |
| ISA |
Integrated Starter-Alternator |
| ISA |
Idle Speed Actuator |
| ISAD |
Integrated Starter Alternator Damper |
| ISB |
Interact System B |
| ISC |
Idle Speed Control |
| ISC-BPA |
Idle Speed Control - Bypass Air |
| ISG |
Integrated Starter-Generator |
| ISI |
Ion Sensing Ignition |
| ISO |
Interior Systems Optimization |
| ISO |
International Standards Organization |
| iso |
Isolation |
| ISS |
Input Shaft Speed |
| ISS |
Idle Speed Solenoid |
| ISS |
Idle Stop Solenoid |
| ISS |
Intermediate/Input Shaft Speed |
| ISV |
Idle Speed Valve |
| ITARDA |
Institute for Traffic Accident Research and Data Analysis |
| ITCS |
Ignition Timing Control System |
| ITR |
In - Tank Reservoir |
| ITS |
Idle Tracking Switch |
| ITTB |
Idle Time To Boil |
| ITTR |
Inflatable Tubular Torso Restraint |
| ITS |
Idle Tracking Switch |
| ITVS |
Ignition Timing Vacuum Switch |
| IVC |
Integral Vapor Canister |
| IVCS |
Integrated Vehicle Control System |
| IVI |
Intelligent Vehicle Initiative |
| IVIS |
In Vehicle Information System |
| IVMS |
In Vehicle Monitoring System |
| IVS |
Idle Validation Switch |
| IVSC |
Integrated Vehicle Speed Control |
| IVSV |
Idle Vacuum Switching Valve |
| IVV |
Idle Vacuum Valve |
| IWC |
Inertia Weight Class |
| J |
| JARI |
Japan Automotive Research Institute |
| J/B |
Junction Block |
| JFET |
Junction Field Effect Transistor |
| JIS |
Japanese Industrial Standard |
| JMS |
Jet Mixture Solenoid |
| JTEC |
Jeep/Truck Engine Controller |
| JTEC |
Joint Transmission-Engine Controller |
| K |
| K |
Kilo, a metric term for 1000 |
| KAM |
Keep Alive Memory |
| KAMREF |
Long term fuel trim as the engine operates in closed loop fuel control mode |
| KAPWR |
Keep Alive power |
| KDD |
Keyboard Display Driver |
| KEYPWR |
Key Power |
| kg |
Kilogram |
| kg/h |
Kilograms per Hour |
| kHz |
Kilohertz |
| KIS |
Knock Intensity Sensor |
| km |
Kilometer |
| km/h |
Kilometers per Hour |
| km/l |
Kilometers per Litre |
| KNK |
Knock Sensor |
| KOEO |
Key On Engine Off |
| KOER |
Key On Engine Running |
| kPa |
Kilopascal |
| KS |
Knock Sensor |
| KS |
Kicker Solenoid |
| KS1 V |
Knock Sensor Input Bank 1 |
| KS2 V |
Knock Sensor Input Bank 2 |
| kV |
Kilovolts |
| KW |
Kilo-Watt |
| KWP |
Key Word Protocol |
| L |
| L |
Low transmission gear position |
| L |
Left |
| L |
Liter(s) |
| L4 |
Four Cylinder Inline Engine |
| LATCH |
Lower Anchors and Tethers for Children |
| LAC |
Low Vacuum Air Control Valve |
| LAC & EACN |
Low Vacuum Air Control Valve and Electric Air Control Valve |
| LAC & LACN |
Low Vacuum Air Control Valve and Low Vacuum Air Control Valve |
| LB |
Long Box, Long Bed |
| LB |
Light Blue |
| LCD |
Liquid Crystal Display |
| LCM |
Lighting Control Module |
| LCV |
Load Control Valve |
| L/D |
Light Duty |
| LDCL |
Left Door Control Locking |
| LDCM |
Left Door Control Module |
| LDDT |
Light Duty Diesel Truck |
| LDGT |
Light Duty Gasoline (fueled) Truck |
| LDM |
Lamp Driver Module |
| LDP |
Leak Detection Pump |
| LDR |
Low Data Rate |
| LDR |
Turbo Pressure Regulation (Porsche) |
| lduty |
Light Duty |
| LDT |
Light Duty Truck (Gasoline) |
| LDV |
Light Duty Vehicles (cars and trucks under 6,000 GVWR) |
| LEADER |
Low Emissions Advanced Engine Range |
| LED |
Light Emitting Diode |
| LEP |
Light Emitting Polymer |
| LEV |
Low Emissions Vehicle |
| LF |
Left Front |
| LFC |
Lamp Fault Code |
| LFC |
Low Fan Control |
| LFCF |
Low Speed Fan Control Fault |
| LFWS |
Left Front Wheel Speed |
| LFCS |
Low Flow Cooling System |
| LFP |
Low Fuel pump |
| LFT |
Longterm Fuel Trim |
| LG |
Light Green |
| LGM |
Lift Gate Module |
| LH |
Left Hand |
| LHV |
Lower Heating Valve |
| lic |
License |
| LIE |
Laterally Inclined Engine |
| limo |
Limousine |
| L/M |
Liters Per Minute |
| lm |
Lumens |
| LMD |
Left Mid Door |
| LMDM |
Left Middle Door Module |
| LML |
Lean Misfire Limit |
| LNG |
Liquid Natural Gas |
| LO |
Low |
| LOAD |
Calculated Engine Load |
| LOAD_ABS |
Absolute Load Value Displayed in %. |
| LOC |
Light Off Catalyst |
| LOF |
Lube, Oil and Filter |
| LOMA |
Lifter Oil Manifold Assembly |
| LONGFT1 |
Long Term Fuel Trim Bank 1 % |
| LONGFT2 |
Long Term Fuel Trim Bank 2 % |
| LOOP |
Indicates OPEN or CLOSED loop fuel control status |
| LOS |
Limited Operation Strategy |
| LOS |
Loss Of Signal |
| LP |
Liquid Propane |
| LP |
Lift Point |
| LP |
Lamp |
| LPA |
Low Pressure Accumulator |
| LPG |
Liquefied Petroleum Gas |
| LPLR |
Low Pressure Low Resistance fuel injector |
| LPM |
Liters Per Minute |
| LPO |
Limited Production Option |
| LPS |
Low Pressure Sensor |
| LPV |
Load Proportioning Valve |
| LR |
Left Rear |
| LR |
Loaded Radius |
| LRA |
Latching Rocker Arm |
| LRD |
Left Rear Door |
| LRDM |
Left Rear Door Module |
| lrn |
Learn |
| LS |
Left Side |
| LS |
Luxury Sedan |
| LSA |
Left Side Airbag |
| LSC |
Low Swirl Combustion |
| LSD |
Limited Slip Differential |
| LSEGR |
Linear Solenoid Exhaust Gas Recirculation |
| LSP and BV |
Load Sensing Proportioning and Bypass Valve |
| LSUV |
Luxury Sport Utility Vehicle |
| LT |
Left |
| LT |
Long Term (Fuel Trim) |
| LT |
Light Truck |
| LTA |
Low Temperature Aftercooling |
| LTD |
Long-Travel Dampened (clutch) |
| LTFT |
Long Term Fuel Trim |
| LTPI |
Low Tire Pressure Indicator |
| LTPWS |
Low Tire Pressure Warning System |
| LTS |
Low Temperature Vacuum Switch |
| LUS |
Lock-Up Solenoid (see TCC) |
| LV8 |
Load Variable 8 Cylinder |
| LVDT |
Linear Variable Differential Transducer |
| LVL |
Level |
| LVLP |
Low Volume, Low Pressure |
| LVW |
Loaded Vehicle Weight (curb weight plus 300 pounds) |
| LWB |
Long WheelBase (see LB) |
| lwr |
Lower |
| M |
| m |
Meter |
| MA |
Mass Air |
| MACS |
Mobile Air Conditioning Society |
| MAF |
Mass Air Flow |
| MAF RTN |
Mass Air Flow Return |
| MAFS |
Mass Air Flow Sensor |
| MAFV |
Mass Air Flow Rate Input Voltage |
| MAG |
Metal Active Gas |
| MAIR |
Managed Air Injection Reaction |
| malf |
Malfunction |
| MALL |
Multifunction Alarm Lighting and Locking |
| MAN |
Manufacturer |
| MAP |
Manifold Absolute Pressure |
| MA-PFI |
Mass Air - Port Fuel Injection |
| MAPPA |
Manifold Absolute Pressure Per Altitude |
| MAPV |
Intake Manifold Absolute Pressure (analog voltage) |
| MAS |
Mass Airflow Sensor |
| MAT |
Manifold Air Temperature |
| max |
Maximum |
| mb |
Millibar, unit of pressure or vacuum |
| MBT |
Maximum Best Torque |
| MC |
Measuring Core |
| MC |
Mixture Control |
| MCCC |
Modulated Converter Clutch Control |
| MCM |
Message Center Module |
| MCCC |
Modulated Converter Clutch Control |
| MCNU |
Multiband Configurable Networking Units |
| MCS |
Mixture Control Solenoid |
| M/C solenoid |
Mixture Control Solenoid |
| MCSV |
Barometric Pressure Signal Voltage |
| MCT |
Manifold Charge Temperature |
| MCU |
Microprocessor Control Unit |
| MCV |
Mixture Control Valve |
| MCV |
Manifold Control Valve |
| M/D |
Medium Duty |
| MD |
Mini Disc |
| MD |
Modulated Displacement |
| mdl |
Model |
| MDP |
Manifold Differential Pressure |
| MDS1 |
Mopar Diagnostic System 1st Generation |
| MDS2 |
Mopar Diagnostic System 2nd Generation |
| MDX |
Mini Disc Changer |
| MECS |
Mazda Electronic Control System |
| MECS |
Mazda Equipped Control System |
| MECS |
Mazda Engine Control System |
| med |
Medium |
| MEM |
Memory |
| MEMCAL |
Memory Calibration |
| MFC |
Medium Speed Fan Control |
| MFCF |
Medium Speed Fan Control Fault |
| mfd |
Micro-farad |
| MFDES |
Mass Fuel Desired |
| MFF EGR |
EGR DPFE sensor at the time of misfire |
| MFF IAT |
Intake Air Temperature at the time of misfire |
| MFF LOAD |
Engine Load at the time of misfire |
| MFF PNP |
1= In Drive during the time of misfire |
| MFF RNTM |
Engine Running Time at the time of misfire |
| MFF RPM |
Engine RPM at the time of misfire |
| MFF SOAK |
Engine OFF Soak Time at the time of misfire |
| MFF TCNT |
Number of driving cycles at the time of misfire |
| MFF TP |
Throttle Position at the time of misfire |
| MFF VS |
Vehicle Speed at the time of misfire |
| MFI |
Mechanical Fuel Injection |
| MFI |
Multiport Fuel Injection |
| MFP |
Modulated Fuel Pump |
| Mg |
Magnesium |
| MGMT |
Management |
| M.H. |
Motor Home |
| MHC |
Motor Home Chassis |
| MHZ |
Mega Hertz |
| MIAH |
Manifold Intake Air Heater |
| MIAHM |
Manifold Intake Air Heater Monitor |
| MIC |
Mechanical Instrument Cluster |
| MID |
Midrange |
| MID |
Monitor Identification |
| MIG |
Metal Inert Gas |
| MIL |
Malfunction Indicator Lamp |
| MIL_DIST |
Distance traveled with MIL ON |
| MIN |
Minimum |
| MIN |
Minute |
| MIN |
Mobile Identification Number |
| MIP |
Mixer Inlet Pressure |
| MISAR |
Micro-Processed Sensing Automatic Regulation |
| MISF |
Misfire Monitor |
| MIX TMP |
Mixture Temperature at Intake Valve |
| MK |
Master Kit |
| MKT |
Master Kit plus the Timing gears |
| ML |
Manual Longitudinal |
| ML |
(Porsche) Air Mass |
| mldg |
Molding |
| MLP(s) |
Manual Lever Position (sensor) |
| MLUS |
Modulated Lock Up Solenoid |
| mm |
Millimeter |
| mm3 |
Cubic Millimeter(s) |
| MMC |
Manifold Mounted Converter |
| MMC |
Metal Matrix Composite |
| mmhg |
Millimeters of mercury |
| MMM |
Memory Mirror Module |
| MMT |
Methylcyclopentadienyl Manganese Tricarbonyl |
| Mn |
Manganese |
| Mo |
Molybdenum |
| mod |
Module |
| Mon |
Monitor |
| MON |
Motor Octane Number |
| MOS |
Metal Oxide Semiconductor |
| MOSFET |
Metal Oxide Semiconductor Field-Effect Transistor |
| Mpa |
Megapascal |
| MPA |
Managed Pulse Air |
| MPC |
Manifold Pressure Controlled (fuel injection system) |
| MPFI |
Multiport Fuel Injection |
| mpg |
miles per gallon |
| mph |
miles per hour |
| MP LRN |
Misfire Wheel Profile Learned in KAM |
| MPI |
Multi Point Injection |
| MPR |
FICM main power relay control output from FICM |
| MPU |
Micro Processor Unit |
| MRD |
Mid-Engine Rear Wheel Drive |
| MRPS |
Manual Range Position Switch |
| MS |
Military Standard |
| ms |
Millisecond |
| MSDS |
Material Safety Data Sheet |
| MSFF |
Miles Since First Fail |
| MSLF |
Miles Since Last Fail |
| MSLO |
Minimum Speed Lockout |
| MSM |
Memory Seat Module |
| MSMM |
Memory Seat and Mirror Module |
| MSO |
Mixed Signal Oscilloscope |
| MSOF |
Manual Shift On the Fly |
| MSRP |
Manufacturers Suggested Retail Price |
| MST |
Manifold Surface Temperature |
| MSVA |
Magnetic Steering Variable Assist |
| M/T |
Manual Transmission/Transaxle |
| MTA |
Managed Thermactor Air |
| MTBE |
Methyl Tertiary Butyl Ether |
| MTBF |
Mean Time Between Failures |
| mtd |
Mounted |
| mtg |
Mounting |
| MTV |
Manifold Tuning Valve |
| MTVS |
Mid-Temperature Vacuum Switch |
| MV |
Megavolt |
| mV |
Millivolt |
| MVLPS |
Manual Valve Lever Position Sensor |
| MVS |
Metering Valve System |
| MVSA |
Motor Vehicle Safety Act |
| MVSS |
Motor Vehicle Safety Standards |
| MVZ |
Manifold Vacuum Zone |
| MY |
Model Year |
| N |
| N |
Nitrogen |
| N2O |
Nitrous oxide |
| Na |
Sodium |
| NA |
Naturally Aspirated |
| NA |
Natural |
| N/A |
Not Available |
| N/A |
Not Applicable |
| NAA |
Non Attainment Area |
| NAAO |
North American Automotive Operations |
| NADA |
National Automobile Dealers Association |
| NAES |
North American Export Sales |
| NAGS |
Nation Auto Glass Specification |
| NAICC |
Navigation-Aided Intelligent Cruise Control |
| NC |
Normally Closed |
| NC |
No Connection |
| NCC |
Net Carrying Capacity |
| NCAP |
New Car Assessment Program |
| NCFR |
No Cause For Removal |
| NCP |
Non Compliance Penalty |
| NCT |
Negative Coefficient Thermistor |
| NCVECS |
National Center for Vehicle Emissions Control and Safety |
| NDH |
Navigation Display Head |
| NDS |
Neutral Drive Switch |
| NDT |
Non-Destructive Test |
| NDV |
Nylon Divert Valve |
| NEG |
Negative |
| NEU |
Neutral |
| NFF |
No Fault Found |
| NG |
Natural Gas |
| NG |
No Good |
| NGA |
National Glass Association |
| NGC |
Next Generation Controller (PCM) |
| NGL |
Natural Gas Liquids |
| NGS |
Neutral Gear Switch |
| NGS |
New Generation STAR (Self Test Automatic Readout) |
| NGSC |
Next Generation Speed Control |
| NGTP |
Next Generation Telematics Protocol |
| NGV |
Natural Gas Vehicle |
| NGV |
New Generation Vehicle |
| NGVM |
Natural Gas Vehicle Module |
| NH3 |
Ammonia |
| NHTSA |
National Highway Traffic Safety Administration |
| NI |
Neutral Idle |
| Ni |
Nickel |
| NiMH |
Nickel Metal Hydride |
| NLGI |
National Lubricating Grease Institute |
| NLV |
Non Linear Valve |
| N-m |
Newton Meters |
| NO |
Normally Open |
| NO2 |
Nitrogen Dioxide |
| NOS |
Nitrous Oxide Systems |
| NOS |
New Old Stock |
| N.O.S. |
Not Otherwise Specified |
| Nox |
Nitrogen Oxides |
| NoVRAM |
Non Volatile Random Access Memory |
| NPF |
No Problem Found |
| NPN |
Transistor with P-type base |
| NPS |
Neutral Pressure Switch |
| NPS |
Neutral Position Switch |
| NPTC |
National Pipe Thread Coarse |
| NPTF |
National Pipe Thread Fine |
| NSBU |
Neutral Safety Back Up |
| NTC |
Negative Temperature Coefficient |
| NTP |
Normal Temperature and Pressure |
| N/V |
Ratio of input shaft speed to vehicle speed |
| NV |
Night Vision |
| NVH |
Noise, Vibration and Harshness |
| NVLD |
Natural Vacuum Leak Detection |
| NVM |
Non Volatile Memory |
| NVRAM |
Non Volatile Random Access Memory |
| NYCC |
New York City Cycle |
| O |
| O |
Orange |
| O2 |
Oxygen |
| O2HTR13 |
Bank 1 Sensor 3 HO2S Heater Control |
| O2S |
Oxygen Sensor |
| O2S11 |
Oxygen Sensor Bank 1 Upstream |
| O2S12 |
Oxygen Sensor Bank 1 Downstream |
| O2S21 |
Oxygen Sensor Bank 2 Upstream |
| O2S22 |
Oxygen Sensor Bank 2 Downstream |
| O3 |
Ozone |
| OAD |
Overrunning Alternator Decoupler |
| OAH |
Overall Height |
| OAI |
Outside Air Induction |
| OAL |
Overall Length |
| OAP |
Overrunning Alternator Pulley |
| OASIS |
Online Automotive Service Information System |
| OASIS |
Organization for the Advancement of Structured Information Standards |
| OAT |
Organic Acid Technology |
| OAW |
Overall Width |
| OBD |
On Board Diagnostics |
| OBD-I |
On-Board Diagnostics Generation I |
| OBD-II |
On-Board Diagnostics Generation II |
| OC |
Oxidation Catalyst Only |
| OCC |
Output Circuit Check |
| OCC |
Output Cycling Check |
| OCIL |
Overdrive Cancel Indicator Light |
| OCP |
Over Crank Protection |
| OCR |
Oil Control Ring |
| OCS |
Occupant Classification Sensor |
| OCS |
Opportunity Charge Station |
| OCS |
Overdrive Cancel Switch |
| OCT ADJ |
Octane Adjust Status |
| OCT ADJS |
Octane Adjust Software Status |
| OCV |
Open Circuit Voltage |
| OD |
Outside Diameter |
| OD |
Overdrive |
| ODM |
Output Drive Module |
| ODO |
Odometer |
| OE |
Original Equipment |
| OEM |
Original Equipment Manufacturer |
| OG |
Orange |
| O.H. |
Over Haul |
| OHC |
Overhead Camshaft |
| OHV |
Off-Highway Vehicle |
| OHV |
Overhead Valve |
| OL |
Open Loop |
| O/L |
Out of Limit |
| OLED |
Organic Light Emitting Diode |
| OLV |
Overfill Limiting Valve |
| OPR |
Over Pressure Relief |
| OPR MD |
Operating Mode |
| or |
Orange |
| ORC |
Oxidation Reduction Converter |
| ORC |
Occupant Restraint Controller |
| ORM |
Other Regulated Materials |
| orna |
Ornament |
| ORV |
Off-Road Vehicle |
| ORVR |
Onboard Refueling Vapor Recovery |
| ORVR-CV |
Onboard Refueling Vapor Recovery - Control Valve |
| O/S |
Oversize |
| OSAC |
Orifice Spark Advance Control |
| OSC |
Output State Check |
| OSC |
Output State Control |
| OSGI |
Open-Service Gateway Interface |
| OSHA |
Occupational Safety and Health Administration |
| OSM |
Output State Monitor |
| OSR |
On-Board System Readiness |
| OSS |
Output Shaft Speed |
| OSSM |
Overland Suspension System Module |
| OTC |
Overhead Trip Computer |
| OTIS |
Overhead Travel Information System |
| OTM |
Output Test Monitor |
| OTM |
Output Test Mode |
| otr |
Outer |
| OVCV |
Outer Vent Control Valve |
| OVPR |
Over Voltage Protection Relay |
| OWL |
Overheat Warning Lamp |
| OXS |
Oxygen Sensor Indicator |
| P |
| P |
Park position of an A/T |
| P |
Pink |
| PA |
Pulse Air |
| P & A |
Parts and Availablility |
| PAB |
Passenger Air Bag |
| PADS |
Passenger Airbag Disarm Switch |
| PAF |
Pulse Air Feeder |
| PAFS |
Pulse Air Feeder System |
| PAG |
Polyalkylene Glycol |
| PAG |
(Ford) Premier Automotive Group |
| PAIR |
Pulsed Air Injection Reaction |
| PAIS |
Pulsed Air Injection System |
| PAS |
Pulse Air System, or Percent Alcohol Sensor |
| PAS-ABV |
Pulse Air System - Anti-Backfire Valve |
| PAS-ACOV |
Pulse Air System - Air Cut-Off Valve |
| PAS-ACS |
Pulse Air System - Air Control Solenoid |
| PAS-ACV |
Pulse Air System - Air Control Valve |
| PAS-AIV |
Pulse Air System - Air Injection Valve |
| PAS-ASCS |
Pulse Air System - Air Suction Control Solenoid |
| PAS-ASOV |
Pulse Air System - Air Shut-Off Valve |
| PAS-ASS |
Pulse Air System - Air Switching Solenoid |
| PAS-ASV |
Pulse Air System - Air Switching Valve |
| PAS-AVCS |
Pulse Air System - Air Valve Control Solenoid |
| PAS-CSV |
Pulse Air System - Control Solenoid Valve |
| PAS-DV |
Pulse Air System - Diverter Valve |
| PASE |
Passive Start and Entry system |
| PASM |
Porsche Active Steering Management |
| PAS-PAF |
Pulse Air System - Pulse Air Feeder |
| PAS-PAV |
Pulse Air System - Pulse Air Valve |
| PAS-RV |
Pulse Air System - Reed Valve |
| PAS-SCSV |
Pulse Air System - Swirl Control Solenoid Valve |
| PAS-SCV |
Pulse Air System - Swirl Control Valve |
| PASS |
Passenger |
| PASS |
Personalized Automotive Security System |
| PAS-VSV |
Pulse Air System - Vacuum Switching Valve |
| pass |
Passenger |
| PATS |
Passive Anti-Theft System |
| PATSIL |
Passive Anti-Theft System Indicator Lamp |
| PATSIN |
Passive Anti-Theft System Received Signal |
| PATSOUT |
Passive Anti-Theft System Transmit Signal |
| PATSTRT |
Passive Anti-Theft System Starter Relay Control |
| PAV |
Pulse Air Valve |
| PAVC/DS |
Pulse Air Valve Control / Down Stream |
| PAVC/US |
Pulse Air Valve Control / Up Stream |
| PAW |
Plasma Arc Welding |
| Pb |
Lead |
| PBA |
Parking Brake Applied Switch |
| PBEA |
Paint, Body and Equipment Association |
| PbO2 |
Lead dioxide |
| PbSO4 |
Lead sulfate |
| P/C |
Printed Circuit |
| P/C |
Police Car |
| P/C |
Passenger Car |
| PB |
Power Brakes |
| PBA |
Parking Brake Applied Switch |
| PbO2 |
Lead dioxide |
| PbSO4 |
Lead sulfate |
| P/C |
Printed Circuit |
| P/C |
Police Car |
| P/C |
Passenger Car |
| PC |
Pressure Control |
| PCA |
Powertrain Controller Assembly |
| PCB |
Printed Circuit Board |
| PCED |
Powertrain Control Emissions Diagnosis Manual |
| PCI |
Programmable Communications Interface |
| PCI |
Programmable Controller Interface |
| PCM |
Power Control Module |
| PCM |
Powertrain Control Module |
| PCS |
Pre-Crash Sensor |
| PCS |
Pressure Control Solenoid |
| PCS |
Purge Control Solenoid |
| PCSDM |
Passenger Compartment Sensor Diagnostic Module |
| PCSV |
Purge Control Solenoid Valve |
| P/CV |
Ported Canister Valve |
| PCV |
Purge Control Valve |
| PCV |
Positive Crankcase Ventilation |
| PCV-DOV |
Positive Crankcase Ventilation - Dual Orifice Valve |
| PCV-HCB |
Positive Crankcase Ventilation - Heated Crankcase Breather |
| PCVV |
Positive Crankcase Vent Valve |
| Pd |
Palladium |
| PDAS |
Porsche Dynamic All Wheel Drive Control System |
| PDC |
Park Distance Control |
| PDC |
Parts Distribution Center |
| PDC |
Power Distribution Center |
| PDI |
Predelivery Inspection |
| PDP |
Positive Displacement Pump |
| PDS |
Passenger Door Switch |
| PDS |
Portable Diagnostic Software |
| PDV |
Parcel Delivery Van |
| PEB |
Power Electronics Bay |
| PEL |
Permissible Exposure Limit |
| PEM |
Proton Electric Membrane |
| PEMFC |
Proton Exchange Membrane Fuel Cell |
| PEP |
Peripheral Expansion Port |
| PEVR |
Power Enrichment Vacuum Regulator |
| PF |
Purge Flow |
| PFE |
Pressure Feedback EGR |
| PFI |
Port Fuel Injection |
| PFI-MA |
Ported Fuel Injection - Mass Airflow |
| PFM |
PDS File Manager |
| PFS |
Purge Flow Sensor |
| PG |
Propylene Glycol |
| PG |
Pulse Generator |
| PGM |
Poly Gel Mitigator |
| PGM-FI |
Programmed - Fuel Injected |
| PHEV |
Plug-in Hybrid Electric Vehicle |
| PHT |
Parallel Hybrid Truck |
| PID |
Parameter Identification |
| PID |
Parameter Identification Data |
| PIM |
Power Inverter Module |
| PIN |
Product Identification Number |
| PIP |
Profile Ignition Pickup (replaced with CKP) |
| PIP |
Position Indicator Pulse |
| PIV |
Peak Inverse Voltage |
| PK |
Pink |
| PKE |
Passive Keyless Entry |
| pkg |
Package |
| PLL |
Phase Locked Loop |
| PLM |
Power Liftgate Module |
| plr |
Pillar |
| PM |
Permanent Magnet |
| PM |
Preventative Maintenance |
| PMD |
Pump Mounted Driver |
| PMV |
Pressure Modulator Valve |
| P/N |
Part Number |
| P/N |
Park Neutral |
| pnl |
Panel |
| PNP |
Park/Neutral Position |
| POA |
Pilot Operated Absolute |
| POASTV |
Pilot Operated Absolute Suction Throttling Valve |
| POEPR |
Pilot Operated Evaporator Pressure Regulator |
| pos |
Position |
| pos |
Positive |
| POT |
Potentiometer |
| P-PC |
Pocket Personal Computer |
| ppm |
Parts Per Million |
| PPS |
Passenger Presence Sensor |
| PPT |
Pin Point Tests |
| PRCV |
Fuel Pressure Regulator Control Valve |
| PRNDL |
Park Reverse Neutral Drive Low |
| PROCO |
Programmed combustion |
| PROM |
Programmable Read Only Memory |
| proto |
Prototype |
| PROX |
Preferential Oxidation |
| PR/RV |
Pressure Relief / Rollover Valve |
| PS |
Power Steering |
| P/S |
Power Seat |
| PS |
Purge Solenoid |
| PS |
Position Sensor |
| PS |
Power Steering |
| PSA |
Pressure Switch Assembly |
| PSCM |
Passenger Seat Control Module |
| PSCM |
Power Steering Control Module |
| PSD |
Power Sliding Door |
| PSD |
Passenger Sliding Door |
| PSD |
Porsche barrier Differential |
| PSE |
Pneumatic System Equipment |
| psgr |
Passenger |
| psi |
Pounds Per Square Inch |
| psia |
Pounds Per Square Inch Absolute |
| psig |
Pounds Per Square Inch Gauge |
| PSIR |
Passenger Supplemental Inflatable Restraint |
| PSM |
Passenger Seat Module |
| PSOM |
Programmable Speedometer/Odometer Module |
| PSOV |
Canister Purge Shut Off Valve |
| PSP |
Power Steering Pressure |
| PSPS |
Power Steering Pressure Switch |
| PSPV |
Power Steering Pressure Input Voltage |
| PSPT |
Power Steering Pressure Transducer |
| PSV |
Public Service Vehicle |
| Pt |
Platinum |
| Pt |
Pint |
| PTC |
Pending Trouble Code |
| PTC |
Positive Temperature Coefficient |
| PTEC |
Powertrain Electronic Controller |
| PTO |
Power Takeoff |
| PTOIL |
Power Take-Off Indicator Lamp |
| PTOIL_F |
Power Take Off Indicator Lamp Fault Output |
| PTOIR_V |
Power Take Off RPM Select Input |
| PTO LOAD |
Power Take-Off Load |
| PTOX |
Periodic Trap Oxidizer |
| PTU |
Part Throttle Unlock |
| purge CV |
Purge Control Valve |
| P/V |
Power Vent |
| PVA |
Ported Vacuum Advance |
| PVA |
Portable Vehicle Analyzer |
| PVCS |
Ported Valve Control System |
| PVCS-A |
Ported Valve Control System - Actuator |
| PVCS-CS |
Ported Valve Control System - Control Solenoid |
| PVS |
Ported Vacuum Switch |
| P/W |
Power Window |
| PW |
Pulse Width |
| PWM |
Pulse Width Modulation |
| PWR |
Power |
| PWR GND |
Power Ground |
| PZEV |
Partial Zero Emission Vehicle |
| PZM |
Platform Zone Module |
| Q |
| QDM |
Quad Driver Module |
| QDR |
Quad Driver |
| QDR |
Quality, Durability, Reliability |
| QSB |
Quarterly Service Bulletin |
| qtr |
Quarter |
| QVM |
Qualified Vehicle Modifier |
| R |
| r |
Red |
| r |
Right |
| R-12 |
Refrigerant CFC-R12 |
| R-134a |
Refrigerant HFC-134a |
| R-22 |
Refrigerant HCFC-22 |
| R/A |
Resume or Accelerate |
| RABS |
Rear Antilock Brake System |
| RAC |
Remote Accessory Controller |
| rad |
Radiator |
| RAM |
Random Access Memory |
| RAM |
Ride Air Module |
| RAM |
Remote Anti-theft Module |
| RAP |
Remote Anti-Theft Personality Module |
| RAP |
Retained Accessory Power |
| RAP |
Retained Access Power |
| RAV |
Remote Activation Verification |
| RBC |
Rotary Blade Coupling |
| RCAM |
VCT Solenoid Commanded in Crankshaft degrees |
| RCC |
Rear Climate Control |
| RCC |
Remote Climate Control |
| RCD |
Refrigerant Containment Device |
| RCDLR |
Remote Control Door Lock Receiver |
| RC engine |
Rotary Combustion engine |
| RCM |
Restraint Control Module |
| RCU |
Remote Chassis Unit |
| RCV |
Rollover Check Valve |
| R & D |
Research and Development |
| RD |
Red |
| RDCM |
Right Door Control Module |
| RDES |
Remote Divert Electric Switching Valve |
| RDI |
Restraint Deployment Indicator |
| RDK |
Porsche Tire Pressure Monitor System |
| RDM |
Rear Door Module |
| RDS |
Radio (broadcast) Data System |
| RDS |
Radio Display System |
| rec |
Receive |
| rec |
Receiver |
| recal |
Recalibrate, Recalibration |
| RECIS |
Remote Entry Control and Immobilizer System |
| recon |
Reconditioned |
| REDOX |
Reduction Oxidation Catalytic Converter |
| REEGR |
Rotary Electric EGR |
| REF |
Reference |
| refl |
Reflector |
| reg |
Regulator |
| REGTS |
Recirculated Exhaust Gas Temperature Sensor |
| reinf |
Reinforcement |
| REM |
Rear Electronic Module |
| REM-PWM_DC1 |
Rear Electronic Module-Pulse Width Modulated Duty Cycle |
| RESC |
Remote Emergency Satellite Unit |
| reson |
Resonator |
| REV |
Transmission Reverse Switch Input |
| REX |
Rear Exchanger |
| RF |
Radio Frequency |
| RF |
Right Front |
| RFA |
Remote Function Actuator |
| RFF |
Roller Finger Followers |
| RFG |
Reformulated Gasoline |
| RFI |
Radio Frequency Interference |
| RFID |
Radio Frequency Identification |
| RFS |
Return Fuel System |
| RFWS |
Right Front Wheel Speed |
| RH |
Right Hand |
| RH |
Rhodium |
| RIM |
Radio Interface Module |
| RIM |
Rear Integration Module |
| RKE |
Remote Keyless Entry |
| R-L |
Right or Left |
| RLC |
Reverse Lamp Control |
| Rly |
Relay |
| RM |
Relay Module |
| RMD |
Right Mid Door |
| RMS |
Root Mean Square |
| RO |
Repair Order |
| ROM |
Read Only Memory |
| RON |
Research Octane Number |
| ROSCM |
Rear Object Sensor Control Module |
| RPA |
Rear Parking Assist |
| RPM |
Remote Power Module |
| RPM |
Revolutions Per Minute |
| RPM |
Engine Speed Based Upon CKP Input |
| RPO |
Regular Production Option |
| R&R |
Remove and Replace |
| RR |
Right Rear |
| RRD |
Right Rear Door |
| RRDM |
Right Rear Door Module |
| RRIM |
Reinforced Reaction Injection Molded Polyurethane |
| RS |
Reverse Switch |
| RSA |
Rear Seat Audio |
| RSC |
Roll Stability Control |
| RSE |
Roadside Equipment |
| RSM |
Rain Sensor Module |
| RSS |
Reverse Sensing System |
| RSS |
Road Sensing Suspension |
| R/T |
Road/Track |
| RT |
Right |
| RTC |
Real—Time Clock |
| RTD |
Real Time Dampening |
| RTN |
Return |
| RTT |
Reconfigurable Telltale |
| RTTP |
Rotunda Technician Tool Program |
| RTV |
Room Temperature Vulcanizing |
| RUNTIME |
Run Time on Alternative Fuel |
| RUNTM |
Run Time |
| RV |
Recreational Vehicle |
| RVAC |
Rear Video/Audi/HVAC Module |
| RVB |
Rear Vacuum Brake |
| RVP |
Reid Vapor Pressure |
| RVR |
Response Vacuum Reducer |
| RWAL |
Rear Wheel Anti-lock |
| RWD |
Rear Wheel Drive |
| RWS |
Rear—Wheel Steer |
| S |
| S4WD |
Selectable Four Wheel Drive |
| SABV |
Secondary Air Bypass Valve |
| SAC |
Spark Advance Control |
| SACV |
Secondary Air Check Valve |
| SAE |
Society of Automotive Engineers |
| SAF |
Stabilized Aluminum Foam |
| SA-FV |
Separator Assembly - Fuel Vacuum |
| SAI |
Steering Axis Inclination |
| SAIR |
Secondary AIR |
| SAR |
Supplemental Air Restraints |
| SAS |
Spark Advance Solenoid |
| SAS |
Side Auxiliary Sensor |
| SASV |
Secondary Air Switching Valve |
| SATC |
Semi-Auto Temperature Control module |
| SAVDAS |
Stand-Alone Vehicle Data Acquisition System |
| SAW |
Spark Angle Word |
| Sb |
Antimony |
| SB |
Short Box, Short Bed |
| SBC |
Single Bed Converter |
| SBDS |
Service Bay Diagnostic System |
| SBEC |
Single Board Engine Controller (replaced with PCM) |
| SBM |
Standard Body Module |
| SBS |
Supercharger Bypass Solenoid |
| SBT |
Serial Bus Traveler |
| SC |
Supercharger |
| S/C |
Speed Control |
| SCA |
Supplemental Coolant Additive |
| SCA |
Super Charger Assembly |
| SCB |
Supercharger Bypass |
| SCBC |
Supercharger Bypass Control |
| SCBCF |
Supercharger Bypass Control Fault |
| SCBF |
Supercharger Bypass Fault |
| SCC |
Spark Control Computer |
| SCCA |
Sports Car Club of America |
| SCCS |
Speed Control Command Switch |
| SCFM |
Standard Cubic Feet Per Minute |
| SCI |
Serial Communications Interface |
| SCICP |
Supercharger Intercooler Pump Control |
| SCICPF |
Supercharger Intercooler Pump Control Fault |
| SCIL |
Steering Column/Instrument panel Lighting |
| SCILM |
Steering Column Ignition Lighting Module |
| SCIPC |
PID to monitor Supercharger and Charge Air Cooler Pump |
| SCM |
Seat Control Module |
| SCM |
Steering Control Module |
| SCP |
Standard Corporate Protocol |
| SC-PFI |
Supercharged - Port Fuel Injection |
| SCR |
Silicone Controlled Rectifier |
| SCS |
Side Crash Sensor |
| SCS |
Spark Control System |
| SCS |
Suction Control Solenoid |
| SCS |
Spark Control Switch |
| SCSV |
Swirl Control Solenoid Valve |
| SCTM |
Seatbelt Timer Control Module |
| SCV |
Speed Controlled Volume |
| SCV |
Spark Control Vacuum |
| SCV |
Swirl Control Valve |
| SCV-A |
Swirl Control Valve - Actuator |
| SDARS |
Satellite Digital Audio Radio System |
| SDL |
Serial Data Link |
| SDM |
Sensing and Diagnostic Module |
| SDM |
Supplemental Restraint System Diagnostic Module |
| SDRS |
Satellite Digital Receiver System |
| SDS |
Satellite Discriminating Sensor |
| SDS |
Shock Dampening System |
| SDU |
Supplemental Restraint System Diagnostic Unit |
| SDV |
Spark Delay Valve |
| SDVR |
Spark Delay Vacuum Regulator |
| SEC |
Secondary |
| SEC |
Second |
| SEFI |
Sequential Electronic Fuel Injection (replaced with SFI) |
| SEL-SW |
System Selector Switch |
| SEMA |
Specialty Equipment Market Association |
| SEO |
Special Equipment Option |
| ser |
Serial |
| ser |
Series |
| ser |
Service |
| SES |
Service Engine Soon (replaced with MIL) |
| SFI |
Sequential (multiport) Fuel Injection |
| SFT |
Short-Term Fuel Trim |
| SFTRIM |
Short-Term Fuel Trim |
| SGCM |
Starter/Generator Control Module |
| S/H |
Seat Heater |
| SHO |
Super High Output |
| SHED |
Sealed Housing Evaporative Determination System. See EESS |
| shld |
Shield |
| SHO |
Super High Output |
| SHRT FT |
Short Term Fuel Trim |
| SI |
System International |
| Si |
Silicon |
| Si |
Spark ignition |
| Si |
Sequential Injection |
| SIAB |
Side Impact Air Bag |
| SIACM |
Side Impact Air Bag Control Module |
| SIC |
Standard Industrial Classification |
| sidembr |
Side Member |
| sig |
Signal |
| sig |
Single |
| SIG GND |
Ground for all sensor signals |
| SIG RTN |
Signal Return |
| SIL |
Shift Indicator Lamp |
| SILN |
Silencer Exhaust Air Supply |
| SIR |
Supplemental Inflatable Restraint |
| SIS |
Side Impact Sensor |
| SKIM |
Sentry Key Immobilizer Module |
| SKIS |
Sentry Key Immobilizer System |
| SKS |
Spark Knock Sensor |
| SL |
Silver |
| SLA |
Short Long Arm suspension |
| SLB |
Smart Junction Box |
| SLA |
Short/Long Arm suspension |
| SLP |
Selection Lever Position |
| SMC |
Sheet Molded Compounds |
| SMCC |
Stepper Motor Cruise Control |
| SMEC |
Single Module Engine Controller (replaced with PCM) |
| SMPI |
Sequential Multi-Port Injection |
| SMR |
Starter Motor Request |
| Sn |
Tin |
| S/N |
Serial Number |
| SNAP |
Significant New Alternatives Policy |
| SNSR |
Sensor |
| SO2 |
Sulfur Dioxide |
| SOC |
State Of Charge |
| SOD |
Side Object Detection |
| SOF |
Shift On the Fly |
| SOFFSOL |
Fuel Shutoff Solenoid |
| SOH |
State of Health |
| SOHC |
Single Overhead Camshaft |
| sol |
Solenoid |
| SOP |
Standard Operating Procedure |
| S/P |
Series/Parallel |
| SP |
Splice Pack |
| SPARK_ACT |
Spark Advance Actual |
| SPARKADV |
Spark Advance Requested |
| SPARKADV |
Actual Spark Advance |
| SPD |
Speed |
| SPDT |
Single Pole Double Throw |
| spec |
Special |
| SPFI |
Sequential - Port Fuel Injection |
| SPI |
Serial Peripheral Interface |
| SPK |
Spark control system |
| SPK-AVM |
Spark control system - Advance Vacuum Modulator |
| SPK-BVSV |
Spark control system - Bimetal Vacuum Switching Valve |
| SPK-CC |
Spark control system - Computer Controlled |
| SPK-CSSA |
Spark control system - Cold Start Spark Advance |
| SPK-CSSH |
Spark control system - Cold Start Spark Hold |
| SPK-CTO |
Spark control system - Coolant Temperature Override |
| SPK-DCTO |
Spark control system - Dual Coolant Temperature Override |
| SPK-DDD |
Spark control system - Dual Diaphragm Distributor |
| SPK-DMV |
Spark control system - Distributor Modulator Valve |
| SPK-DPVS |
Spark control system - Distributor Ported Vacuum Switch |
| SPK-DRCV |
Spark control system - Distributor Retard Control Valve |
| SPK-DRS |
Spark control system - Distributor Retard Solenoid |
| SPK-DSVMV |
Spark control system - Distributor Spark Vacuum Modulator Valve |
| SPK-DTVS |
Spark control system - Distributor Thermal Vacuum Switch |
| SPK-DTVV |
Spark control system - Distributor Thermal Vacuum Valve |
| SPKDUR 1 - 4 |
Spark Duration (cylinders 1 - 4) Displayed in (ms) |
| SPKDUR 5 - 8 |
Spark Duration (cylinders 5 - 8) Displayed in (ms) |
| SPK-DV |
Spark control system - Delay Valve |
| SPK-DVA |
Spark control system - Distributor Vacuum Advance |
| SPK-DVAS |
Spark control system - Distributor Vacuum Advance Solenoid |
| SPK-DVCS |
Spark control system - Distributor Vacuum Control Solenoid |
| SPK-DVCV |
Spark control system - Distributor Vacuum Control Valve |
| SPK-DVDV |
Spark control system - Distributor Vacuum Delay Valve |
| SPK-DVRS |
Spark control system - Distributor Vacuum Retard Switch |
| SPK-DVRV |
Spark control system - Distributor Vacuum Regulating Valve |
| SPK-DVVV |
Spark control system - Distributor Vacuum Vent Valve |
| SPK-EAVS |
Spark control system - Electronically Actuated Vacuum Switch |
| SPK-EDM |
Spark control system - Electronic Distributor Modulator |
| SPK-ESA |
Spark control system - Electronic Spark Advance |
| SPK-ESC |
Spark control system - Electronic Spark Control |
| SPK-ESS |
Spark control system - Electronic Spark Selection system |
| SPK-EST |
Spark control system - Electronic Spark Timing |
| SPK-FDV |
Spark control system - Forward Delay Valve |
| SPK-HPCA |
Spark control system - Housing Pressure Cold Advance |
| SPK-ITCS |
Spark control system - Ignition Timing Control System |
| SPK-ITVS |
Spark control system - Ignition Timing Vacuum Switch |
| SPK-OSAC |
Spark control system - Orifice Spark Advance Control |
| SPK-PVA |
Spark control system - Ported Vacuum Advance |
| SPK-PVS |
Spark control system - Ported Vacuum Switch |
| SPK-RDO |
Spark control system - Retard Delay Orifice |
| SPK-RDV |
Spark control system - Reverse Relay Valve |
| SPK-RDVD |
Spark control system - Reverse Delay Valve Dual |
| SPK-RDVS |
Spark control system - Reverse Delay Valve Single |
| SPK-SC |
Spark control system - Speed Controller |
| SPK-SRRV |
Spark control system - Spark Relay Regulator Valve |
| SPK-TAVIA |
Spark control system - Temperature Activated Vacuum Ignition Advance |
| SPK-TCS |
Spark control system - Transmission Controlled Spark |
| SPK-TIDC |
Spark control system - Timing Control System |
| SPK-TV |
Spark control system - Thermal Valve |
| SPK-TVS |
Spark control system - Thermal Vacuum Switch |
| SPK-VAC |
Spark control system - Vacuum Advance Solenoid |
| SPK-VACTO |
Spark control system - Vacuum Advance Coolant Temperature Override |
| SPK-VAV |
Spark control system - Vacuum Advance Valve |
| SPK-VR |
Spark control system - Vacuum Retard |
| SPK-VSV |
Spark control system - Vacuum Retard Switch |
| SPK-VTCS |
Spark control system - Vacuum Timing Control System |
| SPL |
Smoke Puff Limiter |
| SPS |
Service Programming System |
| SPS |
Speed Signal |
| SPS |
Speed Sensitive Power Steering |
| SPST |
Single Pole Single Throw |
| SPO |
Service Parts Operations |
| SPOUT |
Spark Output |
| SPRK_ACT |
Spark Advance Actual |
| SPS |
Service Programming System |
| SR |
Strontium |
| SRC |
Selective Ride Control |
| SRCM |
Semi-Active Ride Control Module |
| SRG |
Solar-Reflective Glass |
| SRI |
Service Reminder Indicator |
| SrPP |
Self-reinforced PolyPropylene |
| SRRV |
Spark Relay Regulator Valve |
| SRS |
Spark Retard System |
| SRS |
Supplemental Restraint System |
| SRT |
System Readiness Test |
| SRW |
Single Rear Wheel |
| SS |
Shift Solenoid |
| SS |
Speed Signal |
| SS |
Stainless Steel |
| SS |
Super Stock |
| SS |
Sports Sedan |
| SS |
Showroom Stock |
| SS1 |
Shift Solenoid 1 |
| SS2 |
Shift Solenoid 2 |
| SS3 |
Shift Solenoid 3 |
| SS 3/4-4/3 |
Shift Solenoid (3/4) - (4/3) |
| SSA |
Shift Solenoid A |
| SSB |
Shift Solenoid B |
| SSC |
Shift Solenoid C |
| SSC |
Stepped Speed Control |
| SSC |
Solid State Component |
| SSC |
Solid State Control |
| SSCA |
Stepped Speed Control Actuator |
| SSCS |
Stepped Speed Control Solenoid |
| SSI |
Solid State Ignition |
| SSM |
Suspension Steering Module |
| SSR |
Solid State Relay |
| SSS |
Speed Sensitive Steering |
| SSV |
Shift Solenoid Valve |
| ST |
Scan Tool |
| ST |
Short Term (Fuel Trim) |
| Sta |
Station |
| stab |
Stabilizer |
| STAR |
Self Test Automatic Readout (tester) |
| STAR |
Stolen Auto Recovery System |
| stat |
Stationary |
| STC |
Snap To Connect |
| STC |
Step Timing Control |
| STC |
Series Throttle Controller |
| std |
Standard |
| stdby |
Standby |
| STEL |
Short Term Exposure Limit |
| STI |
Self Test Input |
| STID |
Station Identification |
| STL |
Service Transmission Lamp |
| stl |
Steel |
| STO |
Self Test Output |
| STP |
Standard Temperature and Pressure |
| strg |
Steering |
| STRSW |
Squeeze Type Resistance Spot Welding |
| STS |
Service Technicians Society |
| STS |
Standard Duty Synthetic |
| STST |
Service Technician Specialty Training |
| STV |
Suction Throttle Valve |
| STVS |
Secondary Throttle Valve System |
| SULEV |
Super Ultra Low Emission Vehicle |
| supt |
Support |
| surr |
Surround |
| SUSP |
Suspension System Module |
| SUV |
Sport Utility Vehicle |
| SV |
Solenoid Valve |
| SV-CBV |
Solenoid Valve - Carb. Bowl Vent |
| SVB |
Secondary Vacuum Break |
| SVO |
Special Vehicle Operations |
| SVO |
Straight Vegetable Oil |
| SVS |
Service Vehicle Soon |
| SVT |
Special Vehicle Team |
| SVV |
Solenoid Vent Valve |
| S/W |
Software |
| sw |
Switch |
| SWB |
Short WheelBase (see SB) |
| SWC |
Steering Wheel Controls |
| SWPS |
Steering Wheel Position Sensor |
| SWS |
SideWall tension Sensor |
| SXR |
Send and Receive |
| syn |
Synchronize |
| sys |
System |
| T |
| TA |
Traction Assist |
| TAA |
Throttle Actuator Assembly |
| TAB |
Thermactor Air Bypass (replaced with AIRB) |
| TAB/TAD |
Thermactor Air Bypass / Thermactor Air Diverter |
| TABPV |
Thermactor Air Bypass Valve, or Throttle Air Bypass Valve |
| TAC |
Thermostatically Controlled Air Cleaner |
| TAC |
Tachometer Signal |
| TAC |
Throttle Actuator Control |
| TAC-AD |
Thermactor Air Cleaner - Air Diverter |
| TAC-BMS |
Thermactor Air Cleaner - Bi-Metallic Sensor |
| TAC-CV |
Thermactor Air Cleaner - Check Valve |
| TAC-DV |
Thermactor Air Cleaner - Delay Valve |
| TACH |
Tachometer |
| TACM |
Throttle Actuator Control Module |
| TACMP |
Throttle Actuator Control Motor Positive |
| TACMN |
Throttle Actuator Control Motor Negative |
| TAC_PCT |
Commanded Throttle Actuator Displayed in degrees |
| TAC-PVC |
Thermactor Air Cleaner - Ported Vacuum Switch |
| TAC-RDV |
Thermactor Air Cleaner - Reverse Delay Valve |
| TAC-RDVS |
Thermactor Air Cleaner - Reverse Delay Valve Single |
| TAC-TCV |
Thermactor Air Cleaner - Thermal Control Valve |
| TAC-TS |
Thermactor Air Cleaner - Temperature Sensor |
| TAC-TSOV |
Thermactor Air Cleaner - Temperature Sensor Override Valve |
| TAC-TV |
Thermactor Air Cleaner - Thermal Vacuum Valve |
| TAC-TVS |
Thermactor Air Cleaner - Thermal Vacuum Switch |
| TAC-VCDV |
Thermactor Air Cleaner - Vacuum Control Delay Valve |
| TAC-VCV |
Thermactor Air Cleaner - Vacuum Control Valve |
| TAC-VM |
Thermactor Air Cleaner - Vacuum Motor |
| TAC-WP |
Thermactor Air Cleaner - Wax Pellet type motor |
| TAD |
Thermactor Air Divert (replaced with AIRD) |
| TANKPR |
Fuel Tank Pressure Transducer |
| TAP |
Transmission Adaptive Pressure |
| TAS |
Trap Alert System |
| TAVIA |
Temperature Activated Vacuum Ignition Advance |
| TB |
Throttle Body |
| TBA |
Throttle Body Assembly |
| TBA |
Tires, Batteries and Accessories |
| TBA |
To Be Assigned |
| TBC |
Truck Body Controller (or Computer) |
| TBI |
Throttle Body Fuel Injection |
| TBL |
Thermal Blower Lockout |
| TBPCS |
Throttle Bypass Control System |
| TBT |
Throttle Body Temperature |
| TC |
Transmission Control |
| TC |
Turbocharger |
| TC |
Traction Control |
| TCA |
Throttle Control Actuator |
| TCC |
Torque Converter Clutch |
| TCC |
Transmission Converter Clutch |
| TCC |
Transaxle Converter Clutch |
| TCC |
Three-way Catalytic Converter |
| TCCA |
Torque Converter Clutch Control Internal Circuit Monitor |
| TCCM |
Transfer Case Control Module |
| TCCM |
Torque Converter Clutch Modulation |
| TCCS |
Toyota Computer Controlled System |
| TCD |
Throttle Closing Dashpot |
| TC-DV |
Throttle Closing - Delay Valve |
| TCI |
Transistorized Coil Ignition |
| TCI-h |
Transistorized Coil Ignition - hall |
| TCI-I |
Transistorized Coil Ignition - induction |
| TCI-k |
Transistorized Coil Ignition - contact |
| TCIL |
Transmission Control Indicator Lamp |
| TCM |
Transmission Control Module |
| TCP |
Temperature Compensated Accelerator Pump |
| TCS |
Traction Control System |
| TCS |
Transmission Control Switch |
| TCS |
Transmission Controlled Spark |
| TCSS |
Transfer Case Speed Sensor |
| TC-TVS |
Throttle Closing - Thermal Vacuum Switch |
| TCV |
Thermactor Check Valve, or Thermal Control Valve |
| TC-VS |
Throttle Closing - Vacuum Switch |
| TD |
Thermactor Diverter |
| TDC |
Top Dead Center |
| TDCL |
Total Diagnostic Communication Link |
| TDCM |
Theft Deterrent Control Module |
| TDCPASS |
Top Dead Center Bypass Mode |
| TDDV |
Trap Door Delay Valve |
| TDG |
Transportation of Dangerous Goods |
| TDI |
Toyota Direct Ignition |
| TDR |
Time Delay Relay |
| TDR |
Transmission Data Recorder |
| TD/TAC |
Trap Door / Thermostic Air Cleaner |
| TED |
Thermo Electric Device |
| TEL |
TetraEthyl Lead |
| TEL |
TELescope |
| tele |
Telescope |
| TEMP |
Temperature |
| TES |
Thermal Electric Switch |
| TFI |
Thick Film Integrated (replaced with DI) |
| TFI |
Thick Film Ignition |
| TFP |
Transmission Fluid Pressure |
| TFT |
Transmission Fluid Temperature |
| TFTV |
Transmission Fluid Temperature Sensor Input Voltage |
| TGS |
Top Gear Switch |
| THEMIS |
Thermal Management Intelligent System |
| THM |
Turbo Hydra-Matic |
| THS |
Transmission Hydraulic Switch |
| THS 3/2 |
Transmission Hydraulic Switch 3rd/2nd gear |
| THS 4/3 |
Transmission Hydraulic Switch 4th/3rd gear |
| THTRC |
Thermostat Heater Control |
| TI |
Transistorized Ignition |
| TI3 |
Transistorized Ignition 3 pin module |
| TI5 |
Transistorized Ignition 5 pin module |
| TICV |
Thermal Ignition Control Valve |
| TID |
Test Identification |
| TIDC |
Thermostatic Ignition Distributor Control |
| TIG |
Tungsten Inert Gas |
| TIIS |
Thermal Imaging Inspection Station |
| TIM |
Tire Inflation Module |
| TIM |
Tire Inflation Monitor |
| TIR |
Total Indicated Runout |
| TIREREV |
Active Tire Size |
| TIS |
Techline Information System |
| TISC |
Tire Industry Safety Council |
| TIV |
Thermactor Idle Vacuum |
| TK |
Throttle Kicker |
| TKA |
Throttle Kicker Actuator |
| TKS |
Throttle Kicker Solenoid |
| TLUC |
Transmission Lock Up Converter |
| TLUC-TVS |
Transmission Lock Up Converter - Thermal Vacuum Switch |
| TLUC-VS |
Transmission Lock Up Converter - Vacuum Switch |
| TM |
Throttle Modulator |
| TMAP |
Thermal Manifold Absolute Pressure |
| TN |
Tan |
| TOC |
Trap Oxidizer-Continuous |
| TOC |
Transmission Oil Cooler |
| TOP |
Transmission Oil Pressure |
| TOP |
Trap Oxidizer - Periodic |
| TOR |
Transmission Override Relay |
| torq |
Torque |
| TOS |
Throttle Opener System |
| TOT |
Transmission Oil Temperature |
| TP |
Throttle Position |
| TP1 |
Throttle Position 1 |
| TP2 |
Throttle Position 2 |
| TPA |
Terminal Positive Assurance |
| TPANGLE |
Throttle Position (before FMEM substitution) |
| TPB |
Secondary Throttle Position Input |
| TPBPV |
Tank Pressure By Pass Valve |
| TPC designation |
Tire Performance Criteria |
| TPCV |
Tank Pressure Control Valve |
| TPI |
Tuned Port Injection |
| TPM |
Tire Pressure Monitor |
| TPMODE |
Throttle Position Mode |
| TP_R |
Relative Throttle Position |
| TPREL |
Lowest Steady TP Voltage Since Engine Start (RATCH) |
| TPS |
Throttle Position Switch |
| TPS |
Throttle Position Sensor |
| TPT |
Throttle Position Transducer |
| TPV |
Throttle Poppet Valve |
| TPV |
Throttle Position sensor Voltage |
| TR |
Transmission Range |
| TR |
Thermal Reactor |
| TR |
Transformer Rectifier |
| T-RAC |
Trailer Rotating Air Chamber |
| trans |
Transmission/Transaxle |
| TRC |
Throttle Return Control |
| TRCS |
Throttle Return Control Solenoid |
| TRCTL |
Throttle Return Control Throttle Lever actuator |
| TRD |
Transmission Range Drive |
| TRDU |
Trailer Remote Diagnostic Unit |
| TRL |
Transmission Range Low |
| TRL |
Transmission Range Lever |
| TROD |
Transmission Range Over-Drive |
| TRON |
Transmission Range Output Neutral |
| TROP |
Transmission Range Output Park |
| TRR |
Transmission Range Reverse |
| TRS |
Transmission Regulated Spark system |
| TRS |
Transmission Range Sensor |
| TRSCV |
Throttle Return Solenoid Control Valve |
| TRSS |
Transmission Range Selector Switch |
| TRV |
Transmission Selector Position Input Status |
| TS |
Temperature Sensor |
| TS |
Throttle Solenoid |
| TS1 |
Transmission Range Sensor 1st |
| TSA |
Thorax Side Airbag |
| TSB |
Technical Service Bulletin |
| TSD |
Time, Speed, and Distance |
| TSD |
Transmission Range Sensor Drive |
| TSI |
Two Speed Idle |
| TSL |
Transmission Select Switch Low |
| TSN |
Transmission Select Switch Neutral |
| TSOD |
Transmission Select Switch Over-Drive |
| TSP |
Throttle Solenoid Positioner |
| TSR |
Transmission Select Switch Reverse |
| TSR |
Transmission Range Sensor Reverse |
| TSS |
Transmission Speed Sensor |
| TSS |
Turbine Speed Sensor |
| TSS/ISS |
Turbine Shaft Speed / Input Shaft Speed |
| t & t |
Tilt & Telescope |
| t & t |
Tilt & Travel |
| TT |
Telltale Lamp |
| TTM |
Tilt and Telescope Module |
| TTS |
Transmission Temperature Switch (replaced with TOT) |
| TV |
Television |
| TV |
Throttle Valve |
| TV |
Thermo Valve |
| TVAM |
Television Antenna Module |
| TVISD |
Throttle Vacuum Idle Speed Diaphragm |
| TVM |
Transmission Vacuum Modulator |
| TVR |
Turbine Vane Regulator |
| TVRS |
Television and Radio Suppression |
| TVRV |
Transaxle Vacuum Reducer Valve |
| TVS |
Thermal Vacuum Switch |
| TVS |
Thermostatic Vacuum Switch |
| TVS |
Temperature Vacuum Switch |
| TVSA |
Trapped Vacuum Spark Advance |
| TVSV |
Thermostatic Vacuum Switching Valve |
| TVV |
Thermal Vacuum Valve |
| TVV |
Thermal Vent Valve |
| TW |
Emission Test Weight |
| TWC |
Three Way Catalyst |
| TWC&COC |
Three-Way Catalyst & Conventional Oxidation Catalyst |
| TWC+OC |
Three Way Catalyst + Oxidation Catalyst |
| twtr |
Tweeter |
| TWV |
Two Way Valve |
| TXV |
Thermal Expansion Valve |
| U |
| u/ |
Under |
| UASID |
Units And Scaling Identification |
| UART |
Universal Asynchronous Receiver-Transmitter |
| UB |
Underbody |
| UD |
Under Drive |
| UDDS |
Urban Dynamometer Driving Schedule |
| U/H |
Under Hood |
| U/HEC |
Under Hood Electrical Center |
| UIDI |
Up-Integrated Direct Ignition |
| UIM |
Universal Ignition Module |
| UL |
Underwriters Laboratories |
| ULEV |
Ultra Low Emissions Vehicle |
| ULSD |
Ultra Low Sulfur Diesel |
| UMTS |
Universal Mobile Telecommunications System |
| UNC |
Unified National Coarse |
| UNEP |
United Nations Environment Program |
| UNF |
Unified National Fine |
| unlk |
Unlock |
| upr |
Upper |
| UPS |
Uninterruptible Power Supply |
| URL |
Uniform Resource Locator |
| US |
Undersize |
| USB |
Universal Serial Bus |
| USCAR |
United States Council for Automotive Research |
| USCS |
United States Customary System |
| UTD |
Universal Theft Deterrent |
| UTQG |
Uniform Tire Quality Grading |
| UV |
Ultraviolet |
| UVW |
Unloaded Vehicle Weight |
| V |
| V |
Volts |
| V |
Voltage |
| V |
Valve |
| V |
Violet |
| V2G |
Vehicle to Grid |
| V4 |
A V shaped engine block with 4 cylinders, two on each bank |
| V6 |
A V shaped engine block with 6 cylinders, three on each bank |
| V8 |
A V shaped engine block with 8 cylinders, four on each bank |
| VA |
Vacuum Amplifier |
| VA |
Vacuum Advance |
| VA-CTO |
Vacuum Advance - Coolant Temperature Override |
| VAC |
Vacuum |
| VAC |
Vehicle Access Code |
| VACS |
Vehicle Access Control System |
| VAD |
Vacuum Advance Delay |
| VAF |
Vane Air Flow |
| VAF |
Volume Air Flow |
| VAPS |
Variable Assist Power Steering |
| VAPS |
Virtual Automotive Prototyping System |
| VARV |
Vacuum Altitude Reducer Valve |
| VASCO |
Vehicle Application-Specific Computer |
| VAT |
Vane Air Temperature (replaced with IAT) |
| VAT |
Visual Authoring Tool |
| VAT |
Volt-Amp Tester |
| VAT-40 |
Volt Amp Tester model 40 (analog) |
| VAT-60 |
Volt Amp Tester model 60 (digital) |
| VATS |
Vehicle AntiTheft System |
| VAV |
Vacuum Advance Valve |
| VB |
Valve body |
| VBAT |
Vehicle Power Voltage |
| VB/DV |
Vacuum Break / Delay Valve |
| VBOC |
Vacuum Bleed Off Valve |
| VBPWR |
Vehicle Buffered Power |
| VCC |
Vacuum Cut Control Soleniod |
| VCC |
Viscous Converter Clutch |
| VCI |
Vehicle Communication Interface |
| VCIM |
Vehicle Communication Interface Module |
| VCKV |
Vacuum Control Check Valve |
| VCL |
Vehicle Communication Link |
| VCM |
Variable Cylinder Management |
| VCM |
Vehicle Communication Module |
| VCM |
Vehicle Control Module |
| VCOTVV |
Vacuum Controlled Orifice Tank Vapor Valve |
| VCRM |
Variable Control Relay Module |
| VCT |
Variable Camshaft Timing |
| VCTA |
VCT Control Circuit Monitor |
| VCTENA |
Conditions Correct to Enable VCT |
| VCV |
Vacuum Check Valve |
| VCV |
Vacuum Canister Valve |
| VCV |
Vacuum Control Valve |
| VDCS |
Vehicle Dynamics Control System |
| VDF |
Visctronic Drive Fan |
| V dif |
Voltage Difference |
| VDIS |
Vehicle Diagnostic Information System |
| VDM |
Vehicle Dynamics Module |
| VDM |
Vehicle Dynamics Monitor |
| VDOT |
Variable Displacement Orifice Tube |
| VDP |
Vehicle Dynamics Processor |
| VDR |
Vehicle Data Recorder |
| VDR |
Vehicle Dealer Recorder |
| VDS |
Valve Deactivation System |
| VDV |
Vacuum Delay Valve |
| VDV |
Vacuum Differential Valve |
| VE |
Volumetric Efficiency |
| VECI |
Vehicle Emission Control Information |
| VECI |
Vehicle Emission Certification Information |
| VEDR |
Vehicle Event Data Recorder |
| veh |
Vehicle |
| vel |
Velocity |
| ver |
Version |
| vert |
Vertical |
| VES |
Variable Effort Steering |
| VF |
Vacuum Fluorescent |
| VFCDC |
Variable Speed Fan Control Duty Cycle |
| VFCF |
Variable Speed Fan Control Output Fault |
| VFD |
Vacuum Fluorescent Display |
| VFS |
Variable Fuel Sensor |
| VGT |
Variable Geometry Turbocharger |
| VI |
Viscosity Index |
| vib |
Vibration |
| VIC |
Virtual Image Cluster module |
| VIC |
Vehicle Information Center |
| VICS |
Vehicle Information Communication System |
| VICS |
Variable Intake Control System |
| VID |
Vehicle Identification |
| VIIC |
Vehicle Infrastructure Integration Consortium |
| VIM |
Vehicle Interface Module |
| VIN |
Vehicle Identification Number |
| VIP |
Vehicle Intrusion Protection |
| VIR |
Valves In Receiver |
| VIU |
Vehicle Interface Unit |
| VIS |
Vacuum Input Switch |
| VIR |
Vehicle Inspection Report |
| VIU |
On Star Vehicle Interface Unit (GM) |
| VLCM |
Variable Load Control Module |
| VLR |
Voltage Loop Reserve |
| vlv |
Valve |
| VM |
Vacuum Modulator |
| VM |
Vane Meter |
| VM |
Vacuum Motor |
| VMM |
Vehicle Measurement Module |
| VMRS |
Vehicle Maintenance Reporting System |
| VMV |
Vacuum Modulator Valve |
| VMV |
Vapor Management Valve |
| VNT |
Variable Nozzle Turbine |
| VNT |
Variable Nozzle Turbocharger |
| VOC |
Volatile Organic Compound |
| VOISC |
Vacuum Operated Idle Speed Controller |
| VOLTDSD |
Desired Voltage |
| VOM |
Volt Ohm Meter |
| VOR |
Vehicle Off Road |
| VORAD |
Vehicle On-board Radar |
| VOTM |
Vacuum Operated Throttle Modulator |
| VPWR |
Vehicle Power |
| VR |
Vacuum Regulator |
| VR |
Vacuum Reservoir |
| VR |
Vacuum Reducer |
| VR |
Variable Reluctance |
| VR |
Voltage Regulator |
| VRCM |
Variable Relay Control Module |
| VRDV |
Vacuum Retard Delay Valve |
| VREF |
Voltage Reference |
| VRESER |
Vacuum Reservoir |
| VREST |
Vacuum Restictor |
| VRIS |
Variable Resonance Induction System |
| VRLA |
Valve Regulated Lead Acid |
| VRS |
Variable Reluctance Sensor |
| VR/S |
Vacuum Regulator / Solenoid |
| VRV |
Vacuum Regulator Valve |
| VRV |
Vacuum Reducer Valve |
| VRIS |
Variable Resonance Induction System |
| VS |
Variable Speed |
| VS |
Vacuum Sensor |
| VS |
Vacuum Switch |
| VSBA |
Vehicle Speed Buffer Amplifier |
| VSC |
Vehicle Speed Control |
| VSC |
Vehicle Stability Control |
| VSES |
Vehicle Stability Enhancement System |
| VSOUT |
Vehicle Speed Output |
| vspd |
Vehicle speed |
| VSS |
Vehicle Speed Sensor |
| VSS |
Voltage Source Supply |
| VSV |
Vacuum Solenoid Valve |
| VSV |
Vacuum Switching Valve |
| VT |
Vacuum Transducer |
| VT |
Violet |
| VTA |
Vehicle Theft Alarm |
| VTCS |
Vacuum Timing Control System |
| VTCM |
Vehicle Theft Control Module |
| VTD |
Vehicle Theft Deterrent |
| VTEC |
Variable (valve) Timing (and lift) Electronic Control |
| VTF |
Vacuum Tube Flourescent |
| VTS |
Vehicle Theft Security Module |
| VTSS |
Vehicle Theft Security System |
| VV |
Variable Venturi |
| VVA |
Venturi Vacuum Amplifier |
| VVC |
Variable Voltage Choke |
| VVR |
Vehicle Vapor Recovery |
| VVT-i |
Variable Valve Timing with Intelligence |
| VVTL-i |
Variable Valve Timing and Lift with Intelligence |
| VVV |
Vacuum Vent Valve |
| W |
| W |
Watt(s) |
| W |
White |
| w/ |
With |
| WAC |
Wide Open Throttle A/C Cutoff |
| WACF |
WOT A/C Primary Circuit Fault |
| WARM_UPS |
Number of warm ups since codes cleared |
| warn |
Warning |
| W/B |
Wheelbase |
| WCF |
Wireless Communication Framework |
| WDS |
Workbay Diagnostic System |
| WDS |
Worldwide Diagnostic System |
| WGC |
WasteGate Control |
| WH |
White |
| WHL |
Wheel |
| whlse |
Wheelhouse |
| WIF |
Water In Fuel (sensor) |
| WIFIL |
Water In Fuel Indicator Lamp |
| w/o |
Without |
| WOT |
Wide Open Throttle |
| WOTS |
Wide Open Throttle Switch |
| WOTV |
Wide Open Throttle Valve |
| W/P |
Water Pump |
| WS |
Wastegate Solenoid |
| WS |
Windshield |
| wshd |
Windshield |
| WSM |
WorkShop Manual |
| WSS |
Wheel Speed Sensor |
| WST |
Wastegate |
| w'strip |
Weatherstrip |
| WU-OC |
WarmUp Catalyst with Oxidation Catalyst |
| WU-TWC |
WarmUp Catalyst with Three Way Catalyst |
| WVO |
Waste Vegetable Oil |
| WVVWS |
Wireless Vehicle to Vehicle Warning System |
| X |
| XCM |
Transfer Case Module |
| X-valve |
Expansion Valve |
| xVDS |
Extended Vehicle Diagnostic System |
| Y |
| yd |
Yard |
| YE |
Yellow |
| Z |
| ZDV |
Zinc Divert Valve |
| ZEV |
Zero Emission Vehicle |
| Zn |
Zinc |
| Zr |
Zirconium |
| ZVS |
Zoned Vacuum Switch |