Section 7 (General Information): General Description: Abbreviations

A 

ABS  Anti-lock Brake System

ATDC  After Top Dead Center

API  American Petroleum Institute

ATF  Automatic Transmission Fluid

ALR  Automatic Locking Retractor

AC  Alternating Current

A/T  Automatic Transmission

A/C  Air Conditioning

ABDC  After Bottom Dead Center

A/F  Air Fuel Mixture Ratio

A-ELR  Automatic-Emergency Locking Retractor

AWD  All Wheel Drive

B 

B+  Battery Positive Voltage

BTDC  Before Top Dead Center

BBDC  Before Bottom Dead Center

BCM  Body Electrical Control Module

BDC  Bottom Dead Center

C 

CAN  Controller Area Network

CKT  Circuit

CKP Sensor  Crankshaft Position Sensor

CMP Sensor  Camshaft Position Sensor

CO  Carbon Monoxide

CPP Switch  Clutch Pedal Position Switch (Clutch Switch, Clutch Start Switch)

CPU  Central Processing Unit

CRS  Child Restraint System

D 

DC  Direct Current

DLC  Data Link Connector (Assembly Line Diag. Link, ALDL, Serial Data Link, SDL)

DOHC  Double Over Head Camshaft

DOJ  Double Offset Joint

DRL  Daytime Running Light

DTC  Diagnostic Trouble Code (Diagnostic Code)

E 

EBCM  Electronic Brake Control Module, ABS Control Module

EBD  Electronic Brake Force Distribution

ECM  Engine Control Module

ECT Sensor  Engine Coolant Temperature Sensor (Water Temp. Sensor, WTS)

EGR  Exhaust Gas Recirculation

EGRT Sensor  EGR Temperature Sensor (Recirculated Exhaust Gas Temp. Sensor, REGTS)

EFE Heater  Early Fuel Evaporation Heater (Positive Temperature Coefficient, PTC Heater)

ELR  Emergency Locking Retractor

EPS  Electronic Power Steering

EVAP  Evaporative Emission

EVAP Canister  Evaporative Emission Canister (Charcoal Canister)

F 

FWD  Front Wheel Drive

4WD  4 Wheel Drive

G 

GEN  Generator

GND  Ground

H 

HC  Hydrocarbons

HO2S  Heated Oxygen Sensor

HVAC  Heating, Ventilating and Air Conditioning

I 

IAC Valve  Idle Air Control Valve (Idle Speed Control Solenoid Valve, ISC Solenoid Valve)

IAT Sensor  Intake Air Temperature Sensor (Air temperature Sensor, ATS)

ICM  Immobilizer Control Module

IG  Ignition

ISC Actuator  Idle Speed Control Actuator (Motor)

L 

LH  Left Hand

LSPV  Load Sensing Proportioning Valve

M 

MAF Sensor  Mass Air Flow Sensor (Air Flow Sensor, AFS, Air Flow Meter, AFM)

MAP Sensor  Manifold Absolute Pressure Sensor (Pressure Sensor, PS)

Max  Maximum

MFI  Multiport Fuel Injection (Multipoint Fuel Injection)

Min  Minimum

MIL  Malfunction Indicator Lamp ("SERVICE ENGINE SOON" Light)

M/T  Manual Transmission

N 

NOx  Nitrogen Oxides

O 

OBD  On-Board Diagnostic System (Self-Diagnosis Function)

OCM  Occupant Classification module

O/D  Overdrive

OHC  Over Head Camshaft

O2S  Oxygen Sensor

P 

PNP  Park / Neutral Position

P/S  Power Steering

PSP Switch  Power Steering Pressure Switch (P/S Pressure Switch)

PCM  Powertrain Control Module

PCV  Positive Crankcase Ventilation

R 

RH  Right Hand

S 

SAE  Society of Automotive Engineers

SDM  Sensing and Diagnostic Module (Air Bag Controller, Air bag Control Module)

SFI  Sequential Multiport Fuel Injection

SOHC  Single Over Head Camshaft

T 

TBI  Throttle Body Fuel Injection (Single-Point Fuel Injection, SPI)

TCC  Torque Converter Clutch

TCM  Transmission Control Module (A/T Controller, A/T Control Module)

TDC  Top Dead Center

TPMS  Tire Pressure Monitoring System

TP Sensor  Throttle Position Sensor

TVV  Thermal Vacuum Valve (Thermal Vacuum Switching Valve, TVSV, Bimetal Vacuum Switching Valve, BVSV)

TWC  Three Way Catalytic Converter (Three Way Catalyst)

2WD  2 Wheel Drive

V 

VIN  Vehicle Identification Number

VSS  Vehicle Speed Sensor

VVT  Variable Valve Timing

W 

WU-OC  Warm Up Oxidation Catalytic Converter

WU-TWC  Warm Up Three Way Catalytic Converter