| 3GR |
3GR (Third Gear) |
| 4GR |
4GR (Fourth Gear) |
| 4WD |
Four wheel drive |
| 4WS |
Four wheel steering |
|
|
|
| A |
Amperes |
| A/C |
Air Conditioning |
| A/CL BIMET |
Air Cleaner Bimetal Sensor |
| A/CL DV |
Air Cleaner Duct and Valve Vacuum Motor |
| A/D |
Analogue to Digital Converter |
| A/F |
Air Fuel Ratio |
| A/T |
Automatic Transmission |
| A4R70W |
Automatic Overdrive Electronic Wide Ration Transmission |
| AAC |
Auxiliary Air Control Valve |
| AAT |
Ambient Air Temperature |
| AAV |
Anti After burn Valve |
| ABCV |
Airbleed Control Valve (Ford) |
| ABS |
Antilock Brake System |
| ABSV |
Air Bypass Solenoid Valve (Mazda) |
| ABV |
Air Bypass Valve |
| AC |
Alternating Current |
| ACC |
Air Conditioning Clutch |
| ACC |
Automatic Climate Control |
| ACCS |
A/C Cycling Clutch Switch |
| ACD |
Air Conditioning Demand Switch |
| ACL |
Air Cleaner (Thermostatic Type) |
| ACM |
Air Bag Control Module |
| ACON |
Air Conditioning On Signal |
| ACP |
Air Conditioning Pressure Signal |
| ACPSW |
Air Conditioning Pressure Switch |
| ACR |
Air Conditioning Relay |
| ACR4 |
Air Conditioning Refrigerant, Recovery, Recycling, Recharging |
| ACT |
Air Charge Temperature |
| ACTS |
Air Charge Temperature Sensor |
| ADS |
Auxiliary Discriminating Sensor |
| ACV |
Air Control Valve |
| ADU |
Analog Digital Unit |
| AECM |
Air Bag Electronic Control Module |
| AFC |
Air Flow Control |
| AFM |
Air Flow Meter |
| AFM |
Air Flow Meter |
| AFR |
Air Fuel Ratio |
| AFS |
Air Flow Sensor |
| AIR |
Air Injection Reactor (Secondary Air Injection System) |
| AIRB |
Secondary Air Injection Bypass |
| AIRD |
Secondary Air Injection Diverter |
| AIS |
Automatic Idle Speed |
| AIV |
Air Injection Valve |
| ALC |
Automatic Level Control |
| ALCL |
Assembly Line Communications Link (GM) |
| ALDL |
Assembly Line Data Link |
| ALT |
Alternator (replaced with GEN) |
| AM1 |
Air Management 1, AIR Bypass |
| AM2 |
Air Management 2, AIR Diverter |
| AMB |
Ambient |
| AOD |
Automatic Overdrive |
| AODE |
Automatic Overdrive Electronic Transmission |
| AODE-W |
Automatic Overdrive Electronic Wide (ratio transmission) |
| AP |
Accelerator Pedal |
| APC |
Automatic Performance Control |
| APP |
Accelerator Pedal Position |
| APS |
Absolute Pressure Sensor |
| APS |
Atmospheric Pressure Sensor |
| APT |
Adjustable part Throttle |
| ARS |
Automatic Restraint System |
| ASARC |
Air Suspension Automatic Ride Control |
| ASD |
Automatic Shutdown Relay |
| ASDM |
Airbag System Diagnostic Module |
| ASE |
Automotive Service Excellence |
| ASM |
Acceleration Simulation Mode |
| ASR |
Automatic Slip Regulation |
| ATC |
Automatic Temperature Control |
| ATDC |
After Top Dead Centre |
| ATF |
Automatic Transmission Fluid |
| ATM |
Actuator Test Mode |
| ATS |
Air Temperature Sensor |
| ATX |
Automatic Transaxle |
| AVOM |
Analog Volt / Ohm Meter |
| AWD |
All Wheel Drive |
| AX4S |
Automatic 4 Speed Trans. |
| AXOD |
Automatic Overdrive Transaxle |
| AXOD-E |
Automatic Overdrive Transaxle - Electronically Controlled |
|
|
|
| B/MAP |
Barometric/Manifold Absolute Pressure |
| B+ |
Battery Positive Voltage |
| BAC |
Bypass Air Control Valve |
| BAP |
Barometric Atmosphere Pressure |
| BARO |
Barometric Pressure |
| BAT |
Battery |
| BBDC |
Before bottom dead centre |
| BBL |
Barrel |
| BC |
Blower Control |
| BCM |
Body Control Module |
| BDC |
bottom dead centre |
| BHP |
Brake Horse Power |
| BHS |
Bimetal Heat Sensor (Ford) |
| BID |
Breaker less Inductive Discharge (AMC) |
| BLM |
Block Learn Multiplier (replaced with LT FUEL TRIM) |
| BMAP |
Barometric/Manifold Absolute Pressure Sensor |
| BOB |
Breakout Box |
| BOO |
Brake On / Off Switch |
| BP |
Barometric Pressure |
| BPA |
Mechanical Bypass Air |
| BPCSV |
Bypass Control Solenoid Valve |
| BPP |
Brake Pedal Position |
| BPS |
Back Pressure Sensor |
| BPT |
Back Pressure Transducer |
| BPV |
Bypass Valve (Ford) |
| BPW |
Brake Pulse Width |
| BSV |
Backfire Suppressor (Ford) |
| BTDC |
Before Top Dead Center |
| BTS |
Battery Temperature Sensor |
| BTSI |
Brake Transmission Shift Interlock |
| BTU |
British Thermal Unit |
| BUS N |
Bus Negative |
| BUS P |
Bus Positive |
| BV |
Bowl Vent Port (Ford) |
| BVSV |
Bi-Metal Vent Control Valve |
| BVT |
Backpressure Variable Transducer |
|
|
|
| C |
Carbon |
| C |
Celsius |
| C.A.R.B. |
California Air Resource Board |
| C3I |
Computer Controlled Coil Ignition |
| CAC |
CAC (Charge Air Cooler) After Cooler Charge Air Cooler Inter Cooler |
| CALPAK |
Calibration Pack |
| CAN |
Controller Area Network |
| CANP |
Canister Purge Solenoid Valve EVAP |
| CARB |
Carburetor |
| CARB |
California Air Resources Board |
| CAS |
Crank Angle Sensor |
| CASE |
Cranking Angle Sensing Error |
| CAT |
Catalytic Converter |
| CBD |
Closed Bowl Distributor |
| CC |
Catalytic Converter |
| CC |
Climate Control |
| CC |
Cruise Control |
| CCA |
Centre Control Assembly |
| CCC |
Computer Command Control System (GM) |
| CCC |
Converter Clutch Control Solenoid |
| CCCI |
Computer Controlled Coil Ignition |
| CCD |
Computer Controlled Dwell |
| CCDIC |
Climate Control Driver Information Centre |
| CCECS |
Computer Controlled Emission Control System |
| CCEI |
Coolant Controlled Idle Enrichment (Chrysler) |
| CCEV |
Coolant Controlled Engine Vacuum Switch (Chrysler) |
| CCM |
Central Control Module |
| CCM |
Continuous Component Monitor |
| CCO |
Converter Clutch Overdrive Solenoid |
| CCOT |
Cycling Clutch Orifice Tube |
| CCP |
Climate Control Panel |
| CCRM |
Constant Control Relay Module |
| CCRM |
Constant Control Relay Module |
| CCS |
Coast Clutch Solenoid |
| CCSP |
Carbon Canister Storage/Purge |
| CCV |
Canister Control Valve |
| CDCV |
Canister Drain Cut Valve |
| CDI |
Capacitor Discharge Ignition |
| CDR |
Chrysler Diagnostic Readout |
| CDRV |
Crankcase Depression Regulator Valve |
| CE |
Commutate End |
| CEAB |
Cold Engine Air Bleed |
| CEC |
Crankcase Emission Control System (Honda) |
| CEC |
Computerized Emission Control System |
| CECU |
Central Electronic Control Unit (Nissan) |
| CEL |
Check Engine Light |
| CER |
Cold Enrichment Rod (Ford) |
| CES |
Clutch Engage Switch |
| CESS |
Cold Engine Sensor Switch |
| CFC |
Chlorofluorocarbons |
| CFI |
Central Fuel Injection |
| CFI |
Continuous Fuel Injection |
| CFM |
Cubic Feet Per Minute |
| CFRM |
Condenser Fan Relay Module |
| CFV |
Critical Flow Venture |
| CHM |
Cold Mixture Heater |
| CID |
Cubic Inch Displacement |
| CID |
Cylinder Identification Signal |
| CIM |
Column Integration Module |
| CIS |
Continuous Injection System (Bosch) |
| CKP |
Crankshaft Position Sensor |
| CKP REF |
Crankshaft Position Reference |
| CKT |
Circuit |
| CL |
Closed Loop |
| CLC |
Converter Lockup Clutch (replaced with TCC) |
| CLCC |
Closed Loop Carburetor Control |
| CLECS |
Closed Loop Emission Control System |
| CLFCS |
Closed Loop Fuel Control System |
| CLNT |
Coolant |
| CLV |
Calculated Load Value |
| CMFI |
Central Multiport Fuel Injection |
| CMP |
Camshaft Position Sensor |
| CMP REF |
Camshaft Position Reference |
| CMTC |
Compass/Mini Trip Computer |
| CNG |
Compressed Natural Gas |
| CO |
Carbon Monoxide |
| CO2 |
Carbon Dioxide |
| COC |
Conventional Oxidation Catalyst (Ford) |
| COP |
Coil On Plug Electronic Ignition |
| CP |
Canister Purge (GM) |
| CPA |
Connector Position Assurance |
| CPI |
Central Port Fuel Injection |
| CPP |
Clutch Pedal Position |
| CPS |
Central Power Supply |
| CPSOV |
Canister Purge Shut Off Valve (Ford) |
| CPU |
Central Processing Unit |
| CRK |
Cranking Signal |
| CRT. |
circuit |
| CSC |
Coolant Spark Control (Ford) |
| CSE GND |
PCM Case Ground |
| CSF |
Crankshaft Speed Fluctuation |
| CSFI |
Central Sequential Fuel Injection |
| CSSA |
Cold Start Spark Advance System (Ford) |
| CSSH |
Cold Start Spark Hold System (Ford) |
| CTAV |
Cold Temperature Actuated Vacuum Switch (Ford) |
| CTM |
Central Timer Module |
| CTO |
Clean Tachometer Output |
| CTOX |
Continuous Trap Oxidizer |
| CTP |
Closed Throttle Position |
| CTS |
Coolant Temperature Sensor |
| CTVS |
Choke Thermal Vacuum Switch |
| CV |
Constant Velocity |
| CV |
Control Valve |
| CVCC |
Compound Vortex Controlled Combustion System (Honda) |
| CVR |
Control Vacuum Regulator (Ford) |
| CVS |
Constant Volume Sampler |
| CVVT |
Continuous Variable Valve Timing |
|
|
|
| DAB |
Delayed Accessory Bus |
| dB |
Decibels |
| DBW |
Drive-By-Wire |
| DC |
Direct Current |
| DC |
Duty Cycle |
| DCISCA |
DC Motor Idle Speed Actuator |
| DCL |
Data Communication Link |
| DDL |
Diagnostic Data Link |
| DEC |
Digital Electronic Controller |
| DEC |
Diesel Engine Control |
| DEFI |
Digital Electronic Fuel Injection |
| DEPS |
Digital Engine Position Sensor |
| DERM |
Diagnostic Energy Reserve Module |
| DFCO |
Diesel Fuel Cut-off Mode |
| DFI |
Direct Fuel Injection |
| DFS |
Deceleration Fuel Shut-off |
| DI |
Direct Ignition |
| DIC |
Driver Information Center |
| DICM |
Distributor Ignition Control Module |
| DIS |
Distributorless Ignition System |
| DLC |
Data Link Connector |
| DM |
Drive Motor |
| DMCM |
Drive Motor Control Module |
| DMCT |
Drive Motor Coolant Temperature |
| DME |
Digital Motor Electronics |
| DMIVA |
Distributor Mounted Ignition Vacuum Advance |
| DMPI Module |
Drive Motor Power Inverter Module |
| DMS |
Distributor Modulator System |
| DOHC |
Double Overhead Camshaft |
| DOL |
Data Output Line to IPC |
| DPC |
Dynamic Pressure Control |
| DPF |
Diesel Particulate Filter |
| DPFE |
Differential Pressure Feedback EGR |
| DPI |
Dual Plug Ignition |
| DRB |
Diagnostic Readout Box |
| DRCV |
Distributor Retard Control Valve |
| DRL |
Daytime Running Lights |
| DSAS |
Deceleration Spark Advance System |
| DSO |
Digital Storage Oscilloscope |
| DSR |
Ford Diagnostic Subroutine |
| DSS |
Downshift Solenoid |
| DSSA |
Dual Signal Spark Advance (Ford) |
| DSV |
Deceleration Solenoid Valve |
| DTC |
Diagnostic Trouble Code |
| DTC FRZ |
Diagnostic Trouble Code Freeze Frame |
| DTM |
Diagnostic Test Mode |
| DTVS |
Dual Temperature Vacuum Switch |
| DV |
Delay Valve |
| DVAC |
Distributor Vacuum Advance Control Valve |
| DVDSV |
Differential Vacuum Delay and Separator Valve |
| DVOM |
Digital Volt Ohmmeter |
| DV |
TW- Relay Valve Two Way |
| DVVV |
Distributor Vacuum Vent Valve |
|
|
|
| EEPROM |
Electrically Erasable Programmable Read Only Memory |
| E4OD |
Electronic 4-Speed Overdrive |
| EAC |
Electronic Air Control (replaced with AIR) |
| EACV |
Electronic Air Control Valve |
| EAIR |
Electronic Secondary Air Injection |
| EAT |
Electronically Controlled Automatic Transaxle Or Transmission |
| EBCM |
Electronic Brake Control Module |
| EBL |
Electric Back Lite (Rear Window Defroster) |
| EBM |
Electronic Body Module |
| EBP |
Exhaust Back :Pressure |
| EBTCM |
Electronic Brake T/C Module |
| EC |
Engine Control |
| ECA |
Electronic Control Assembly |
| ECC |
Electronic Climate Control |
| ECCS |
Electronic Concentrated Control System |
| ECI |
Extended Compressor at Idle |
| ECIT |
Electronic Control Ignition Timing |
| ECITS |
Electronic Control Ignition Timing System |
| ECL |
Engine Coolant Level |
| ECM |
Engine Control Module |
| ECS |
Emission Control System |
| ECT |
Engine Coolant Temperature |
| ECU |
Electronic Control Unit |
| EDF |
Electro Drive Fan |
| EDFI |
Electronic Diesel Fuel Injection |
| EDI |
Electronic Controlled Direct Ignition System |
| EDIS |
Electronic Distributorless Ignition System |
| EDL |
Engine Data Line |
| EDM |
Electronic Distributor Modulator (Ford) |
| EEC |
Electronic Engine Control (Ford) |
| EECS |
Evaporative Emission Control System |
| EEGR |
Electronic EGR (Solenoid) |
| EEGR Monitor |
Electronic EGR Test |
| EEPROM |
Electronically Erasable Programmable Read Only Memory |
| EESS |
Evaporative Emission Shed System (Ford) |
| EET |
Electronic EGR Transducer |
| EEVIR |
Evaporator Equalized Values in Receiver |
| EFC |
Electronic Fuel Control |
| EFCA |
Electronic Fuel Control Assembly |
| EFE |
Early Fuel Evaporation |
| EFI |
Electronic Fuel Injection |
| EFT |
Engine Fuel Temperature |
| EFV |
Early Fuel Evaporation |
| EGC |
Exhaust Gas Check Valve |
| EGO |
Exhaust Gas Oxygen Sensor |
| EGR |
Exhaust Gas Recirculation |
| EGR Monitor |
OBDII EGR Test |
| EGR TVV |
Exhaust Gas Recirculation Thermal Vacuum Valve |
| EGRB |
EGR Boost Sensor |
| EGRC |
EGR Control Solenoid (Ford) |
| EGRC-BPT |
EGR Control Back Pressure Transducer |
| EGRPS |
EGR Valve Position Sensor |
| EGRT |
Exhaust Gas Recirculation Temperature |
| EGRV |
Exhaust Gas Recirculation Vent Solenoid |
| EH |
Electro Hydraulic |
| EI |
Integrated Electronic Ignition System |
| ELC |
Electronic Level Control |
| ELCD |
Evaporative Loss Control Device |
| EM |
Engine Modification |
| EMB |
Electromagnetic Brakes |
| EMF |
Electromagnetic Field |
| EMI |
Electromagnetic Interference |
| EMR |
Electronic Module Retard |
| EOBD |
European On Board Diagnostics |
| EOP |
Engine Oil Pressure |
| EOS |
Exhaust Oxygen Sensor |
| EOT |
Engine Oil Temperature |
| EP |
Exhaust Pressure |
| EPA |
Environmental Protection Agency |
| EPC |
Electronic Pressure Control |
| EPOS |
EGR Valve Position Sensor |
| EPROM |
Erasable Programmable Read Only Memory |
| EPT |
EGR Pressure Transducer (replaced with PFE) |
| ESA |
Electronic Spark Advance (Chrysler) |
| ESC |
Electronic Spark Control System |
| ESD |
Electrostatic Discharge |
| ESS |
Engine Speed Sensor |
| EST |
Electronic Spark Timing |
| ETC |
Electronic Temperature Control |
| ETP |
EGR Pressure Transducer |
| ETR |
Electronically Tuned Receiver |
| EVAP |
Evaporative Emissions System |
| EVAP CP |
Evaporative Canister Purge |
| EVAP CV |
Evaporative Emissions System Canister Vent |
| EVIC |
Electronic Vehicle Information Center |
| EVO |
Electronic Vehicle Orifice |
| EVP |
EGR Valve Position Sensor |
| EVR |
EGR Vacuum Regulator |
| EVSV |
Electronic Vacuum Switching Valve |
| EWL |
Engine Warning Lamp |
|
|
|
| F |
Fahrenheit |
| F4WD |
Full Time Four Wheel Drive |
| FAN |
Cooling Fan (Low or High Speed) |
| FBC |
Feedback Carburetor |
| FBCA |
Feedback Carburetor Actuator |
| FC |
Fan Control |
| FCA |
Fuel Control Assembly (Chrysler) |
| FCS |
Fuel Control Solenoid |
| FDBK |
Feedback |
| FDC |
Fuel Deceleration Valve |
| FDV |
Fuel Decal Valve |
| FEEPROM |
Flash Electronically Erasable Programmable Read Only Memory |
| FF |
Flexible Fuel |
| FI |
Fuel Injector |
| FIC |
Fast Idle Control |
| FICD |
Fast Idle Control Device |
| FIPL |
Fuel Injection Pump Lever |
| FLC |
Fluid Lock-up Converter (Ford) |
| FLS |
Fluid Level Sensor |
| FM |
Fan Motor Program in PCM |
| FMEM |
Failure Mode Effect Management |
| FOM |
Fix Operating Mode (Limp Mode) |
| FP |
Fuel Pump |
| FPCM |
Fuel Injection Pump Control Module |
| FPM |
Fuel Pump Monitor (in PCM) |
| FPRC |
Fuel Pump Regulator Control |
| FRP |
Fuel Rail Pressure |
| FRT |
Fuel Rail Temperature |
| FRZ |
Freeze Frame |
| FT |
Fuel Trim; Adaptive Fuel Strategy |
| ft.lb. |
Foot Pound |
| FTL |
Fuel Tank Level Sensor |
| FTO |
Filtered Tachometer Output |
| FTP |
Fuel Tank Pressure |
| FTT |
Fuel Tank Temperature |
| FWD |
Front Wheel Drive |
|
|
|
| g/sec |
Grams per Second |
| GAL |
Gallon |
| GCM |
Governor Control Module |
| GCW |
Gross Combination Weight |
| GDC |
Fuel Data Centre |
| GDI |
Gasoline Direct Injection |
| GEM |
Generic Electronic Module |
| GND |
Electrical Ground Connection |
| GPC |
Glow Plug Control |
| GPL |
Glow Plug Wait Lamp |
| GPM |
Grams Per Mile |
| GPR |
Glow Plug Relay |
| GPS |
Global Positioning System |
| GST |
Generic Scan Tool |
| GVW |
Gross Vehicle Weight |
| GVWR |
Gross Vehicle Weight Rating |
