- August 15, 2020
- By Rizwan Akram
- In Blog
- Tags Honda, Toyota
- 1051
- 0
Automotive Acronyms and Abbreviations
Automotive Acronyms and Abbreviations
List of Popular Automotive Acronyms and Abbreviations used in Vehicles
| 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 | (Secondary Air Injection System) Air Injection Reactor |
| 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 |
|
| 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 | Positive Bus |
| BV | Bowl Vent Port (Ford) |
| BVSV | Bi-Metal Vent Control Valve |
| BVT | Backpressure Variable Transducer |
C |
|
| 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 |
D |
|
| 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 |
E |
|
| 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 |
|
| 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 |
|
| 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 |
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