Section 9 (General Information): General Description: Abbreviations

A 

ABDC  After Bottom Dead Center

ABS  Anti-lock Brake System

AC  Alternating Current

A/C  Air Conditioning

A-ELR  Automatic-Emergency Locking Retractor

A/F Air Fuel Mixture Ratio 

ALR  Automatic Locking Retractor

API  American Petroleum Institute

ATDC  After Top Dead Center

ATF  Automatic Transmission Fluid

A/T  Automatic Transmission

AWD  All Wheel Drive

B 

BBDC  Before Bottom Dead Center

BCM  Body Electrical Control Module

BTDC  Before Top Dead Center

B+  Battery Positive Voltage

C 

CAN  Controller Area Network

CKP Sensor  Crankshaft Position Sensor

CKT  Circuit

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)

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

EGR  Exhaust Gas Recirculation

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

ELR  Emergency Locking Retractor

EPS  Electronic Power Steering

ESP®  Electronic Stability Program

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

IMT  Intake Manifold Tuning

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)

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

Min  Minimum

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 

PCM  Powertrain Control Module

PCV  Positive Crankcase Ventilation

PNP  Park / Neutral Position

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

P/S  Power Steering

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)

TCS  Traction Control System

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 (Camshaft Position Control)

W 

WU-OC  Warm Up Oxidation Catalytic Converter

WU-TWC  Warm Up Three Way Catalytic Converter