GENERAL INFORMATION Commonly Used Abbreviations * PLEASE READ THIS FIRST * "A" A Amperes ABS Anti-Lock Brakes ABRS Air Bag Restraint System AC Alternating Current A/C Air Conditioning ACCS A/C Cycling Switch ACCUM Accumulator ACCY Accessory ACT NOTE: This article is intended for general information purposes only. This information may not apply to all makes and models. Not all abbreviations are covered as manufacturers add new ones every day.
Air Charge Temperature Sensor ADJ Adjust or Adjustable ADV Advance AFS Airflow Sensor AI Air Injection AIR or A.I.R. Air Injection Reactor AIS Air Injection System Alt. Alternator or Altitude Amp./amp/amps Ampere ASCS Air Suction Control Solenoid ASD Auto Shutdown ASDM Air Bag System Diagnostic Module ASV
Air Suction Valve A/T Automatic Transmission/Transaxle ATC Automatic Temperature Control ATDC After Top Dead Center ATF Automatic Transmission Fluid ATS Air Temperature Sensor Aux. Auxiliary Avg. Average AXOD Automatic Transaxle Overdrive (Ford Models Only) "B" BAC By-Pass Air Control BAP Barometric Absolute Pressure Sensor BARO Barometric
Batt. Battery Bbl. Barrel (Example: 4-Bbl.) BCM Body Control Module BHP Brake Horsepower BMAP Barometric and Manifold Absolute Pressure Sensor BOO Brake On-Off Switch B/P Backpressure BPS Barometric Pressure Sensor BPT Backpressure Transducer BTDC Before Top Dead Center BTSI Brake Transmission Shift Interlock BTU British Thermal Unit
BVSV Bimetallic Vacuum Switching Valve "C" ° C Celsius (Degrees) Calif. California CANP Canister Purge CARB California Air Resources Board CAT Catalytic Converter CB Circuit Breaker CBD Closed Bowl Distributor cc cubic centimeter CCC Close Coupled Catalyst CCC Computer Command Control CCD
Computer Controlled Dwell CCOT Cycling Clutch Orifice Tube CCW Counterclockwise CDI Capacitor Discharge Ignition CEC Computerized Engine Control CID Cubic Inch Displacement cm Centimeter CMP Camshaft Position Sensor CO Carbon Monoxide CO 2 Carbon Dioxide Cont. Continued CONV Convertible CP
Canister Purge CKP Crankshaft Position Sensor CTS Coolant Temperature Sensor Cu. In. Cubic Inch CVC Constant Vacuum Control CV Check Valve or Constant Velocity CW Clockwise CYL or Cyl. Cylinder C 3 I Computer Controlled Coil Ignition C 4 Computer Controlled Catalytic Converter "D" "D" Drive DC
Direct Current Or Discharge DDD Dual Diaphragm Distributor Def. Defrost Defog. Defogger DERM Diagnostic Energy Reserve Module DFI Digital Fuel Injection Diag. Diagnostic DTC Diagnostic Trouble Code DIC Driver Information Center DIS Distributorless Ignition System DIST Distribution DLC Data Link Connector DOC
Diesel Oxidation Catalyst DOHC Double Overhead Cam DOT Department of Transportation DPF Diesel Particulate Filter DRB-II Diagnostic Readout Box DVOM Digital Volt-Ohmmeter "E" EACV Electric Air Control Valve EATX Electronic Automatic Transaxle EBCM Electronic Brake Control Module EBL Electronic Back Light ECM Engine Control Module ECT Engine Coolant Temperature Sensor
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