A

A

Ampere(s)

ABS

Antilock Brake System

A/C

Air Conditioning

AC

Alternating Current

ACC

Accessory, Automatic Climate Control

ACL

Air Cleaner

A/D

Analog to Digital

A/F

Air/Fuel Ratio

AM/FM

Amplitude Modulation/Frequency Modulation

Ant

Antenna

AP

Accelerator Pedal

APP

Accelerator Pedal Position

ASM

Assembly

A/T

Automatic Transmission/Transaxle

ATDC

After Top Dead Center

ATSLC

Automatic Transmission Shift Lock Control

Auto

Automatic

avg

Average

B

B+

Battery Positive Voltage

BARO

Barometric Pressure

BATT

Battery

BBV

Brake Booster Vacuum

BCM

Body Control Module

BHP

Brake Horsepower

BLK

Black

BLU

Blue

BP

Back Pressure

BPMV

Brake Pressure Modulator Valve

BPP

Brake Pedal Position

BRN

Brown

BTDC

Before Top Dead Center

C

°C

Degrees Celsius

CAFE

Corporate Average Fuel Economy

Cal

Calibration

Cam

Camshaft

cm³

Cubic Centimeters

CD

Compact Disc

cfm

Cubic Feet per Minute

cg

Center of Gravity

CID

Cubic Inch Displacement

CKP

Crankshaft Position

CKT

Circuit

CL

Closed Loop

CLS

Coolant Level Switch

CMP

Camshaft Position

CO

Carbon Monoxide

CO²

Carbon Dioxide

Coax

Coaxial

COMM

Communication

Conn

Connector

CPA

Connector Position Assurance

CPP

Clutch Pedal Position

CPS

Central Power Supply

CPU

Central Processing Unit

CS

Charging System

CTP

Closed Throttle Position

cu ft

Cubic Foot/Feet

cu in

Cubic Inch/Inches

CV

Constant Velocity Joint

Cyl

Cylinder(s)

D

dB

Decibels

dBA

Decibels on A-weighted Scale

DC

Direct Current, Duty Cycle

DE

Drive End

DEC

Digital Electronic Controller

dia

Diameter

DIC

Driver Information Center

Diff

Differential

DK

Dark

DLC

Data Link Connector

DMM

Digital Multimeter

DOHC

Dual Overhead Camshafts

DR, Drvr

Driver

DRL

Daytime Running Lamps

DTC

Diagnostic Trouble Code

E

EBCM

Electronic Brake Control Module

EC

Electrical Center, Engine Control

ECC

Electronic Climate Control

ECI

Extended Compressor at Idle

ECL

Engine Coolant Level

ECM

Engine Control Module, Electronic Control Module

ECS

Emission Control System

ECT

Engine Coolant Temperature

EEPROM

Electrically Erasable Programmable Read Only Memory

EI

Electronic Ignition

ELAP

Elapsed

ELC

Electronic Level Control

E/M

English/Metric

EMF

Electromotive Force

EMI

Electromagnetic Interference

Eng

Engine

EOP

Engine Oil Pressure

EOT

Engine Oil Temperature

EPA

Environmental Protection Agency

EPR

Exhaust Pressure Regulator

EPROM

Erasable Programmable Read Only Memory

ESC

Electronic Suspension Control

ESD

Electrostatic Discharge

ESN

Electronic Serial Number

ETC

Electronic Throttle Control, Electronic Temperature Control, Electronic Timing Control

ETR

Electronically Tuned Receiver

EVAP

Evaporative Emission

Exh

Exhaust

F

°F

Degrees Fahrenheit

FC

Fan Control

FEDS

Fuel Enable Data Stream

FI

Fuel Injection

FP

Fuel Pump

ft

Foot/Feet

FT

Fuel Trim

FW

Flat Wire

FWD

Front Wheel Drive, Forward

G

g

Grams, Gravitational Acceleration

GA

Gage, Gauge

gal

Gallon

GCW

Gross Combination Weight

Gen

Generator

GL

Gear Lubricant

GM

General Motors

gnd

Ground

gpm

Gallons per Minute

GRN

Green

GRY

Grey

GVWR

Gross Vehicle Weight Rating

H

H

Hydrogen

H²O

Water

Harn

Harness

HC

Hydrocarbons

HD

Heavy Duty

HDC

Heavy Duty Cooling

hex

Hexagon, Hexadecimal

Hg

Mercury

Hi Alt

High Altitude

HO²S

Heated Oxygen Sensor

hp

Horsepower

HPL

High Pressure Liquid

HPS

High Performance System

HPV

High Pressure Vapor

HPVS

Heat Pump Ventilation System

Htd

Heated

HTR

Heater

HSPO

Holden Spare Parts Operations

HVAC

Heater-Ventilation-Air Conditioning

HVIL

High Voltage Interlock Loop

HVM

Heater Vent Module

Hz

Hertz

I

IAC

Idle Air Control

IAT

Intake Air Temperature

IC

Integrated Circuit, Ignition Control

ICM

Ignition Control Module

ID

Identification, Inside Diameter

IDI

Integrated Direct Ignition

IGBT

Insulated Gate Bi-Polar Transistor

ign

Ignition

ILC

Idle Load Compensator

in

Inch/Inches

INJ

Injection

inst

Instantaneous, Instant

IP

Instrument Panel

IPC

Instrument Panel Cluster

ISC

Idle Speed Control

ISO

International Standards Organization

ISS

Input Speed Shaft, Input Shaft Speed

K

KAM

Keep Alive Memory

kg

Kilogram

kHz

Kilohertz

km

Kilometer

km/h

Kilometers per Hour

km/l

Kilometers per Liter

kPa

Kilopascals

KS

Knock Sensor

kV

Kilovolts

L

L

Liter

lb

Pound

lb ft

Pound Feet Torque

lb in

Pound Inch Torque

LCD

Liquid Crystal Display

LED

Light Emitting Diode

LEV

Low Emissions Vehicle

LF

Left Front

lm

Lumens

LR

Left Rear

LT

Left

LT

Light

LT

Long Term

LTPI

Low Tyre Pressure Indicator

M

MAF

Mass Air Flow

Man

Manual

MAP

Manifold Absolute Pressure

MAT

Manifold Absolute Temperature

max

Maximum

M/C

Mixture Control

MDP

Manifold Differential Pressure

MFI

Multiport Fuel Injection

mi

Miles

MIL

Malfunction Indicator Lamp

min

Minimum

mL

Milliliter

mm

Millimeter

mpg

Miles per Gallon

mph

Miles per Hour

ms

Millisecond

M/T

Manual Transmission/Transaxle

MV

Megavolt

mV

Millivolt

N

NC

Normally Closed

NEG

Negative

Neu

Neutral

NI

Neutral Idle

NiMH

Nickel Metal Hydride

N·m

Newton-meter Torque

NO

Normally Open

NOx

Oxides of Nitrogen

NOVRAM

Non-Volatile Random Access Memory

O

O²

Oxygen

O²S

Oxygen Sensor

OBD

On-Board Diagnostics

OBD II

On-Board Diagnostics Second Generation

OC

Oxidation Converter Catalytic

OCS

Opportunity Charge Station

OD

Outside Diameter

ODM

Output Drive Module

ODO

Odometer

OE

Original Equipment

OEM

Original Equipment Manufacturer

OHC

Overhead Camshaft

Ω

Ohm

OL

Open Loop, Out of Limits

ORC

Oxidation Reduction Converter Catalytic

ORN

Orange

ORVR

On-Board Refueling Vapor Recovery

OSS

Output Shaft Speed

oz

Ounce(s)

P

PAG

Polyalkylene Glycol

PAIR

Pulsed Secondary Air Injection

PASS, PSGR

Passenger

P/B

Power Brakes

PC

Pressure Control

PCB

Printed Circuit Board

PCS

Pressure Control Solenoid

PCV

Positive Crankcase Ventilation

PEB

Power Electronics Bay

PID

Parameter Identification

PM

Permanent Magnet Generator

P/N

Part Number

PNK

Pink

PNP

Park/Neutral Position

PRNDL

Park, Reverse, Neutral, Drive, Low

POS

Positive, Position

POT

Potentiometer Variable Resistor

PPL

Purple

ppm

Parts per Million

PROM

Programmable Read Only Memory

P/S, PS

Power Steering

PSP

Power Steering Pressure

psi

Pounds per Square Inch

psia

Pounds per Square Inch Absolute

psig

Pounds per Square Inch Gauge

pt

Pint

PTC

Positive Temperature Coefficient

PWM

Pulse Width Modulated

Q

qt

Quart(s)

R

R-134a

Refrigerant-134a

RAM

Random Access Memory, Non-permanent memory device, memory contents are lost when power is removed.

RAP

Retained Accessory Power

RCDLR

Remote Control Door Lock Receiver

Ref

Reference

Rev

Reverse

RF

Right Front, Radio Frequency

RFA

Remote Function Actuation

RFI

Radio Frequency Interference

RH

Right Hand

Rly

Relay

ROM

Read Only Memory, Permanent memory device, memory contents are retained when power is removed.

RPM

Revolutions per Minute Engine Speed

RPO

Regular Production Option

RR

Right Rear

RSE

Rear Seat Entertainment

RT

Right

RTV

Room Temperature Vulcanizing Sealer

RWD

Rear Wheel Drive

S

s

Second(s)

SAE

Society of Automotive Engineers

SDM

Sensing and Diagnostic Module

SEO

Special Equipment Option

SFI

Sequential Multiport Fuel Injection

SI

System International Modern Version of Metric System

SIAB

Side Impact Air Bag

sol

Solenoid

SO²

Sulfur Dioxide

SP

Splice Pack

S/P

Series/Parallel

SPO

Service Parts Operations

SPS

Service Programming System, Speed Signal

sq ft, ft²

Square Foot/Feet

sq in, in²

Square Inch/Inches

SIR

Supplemental Restraint System

SS

Shift Solenoid

ST

Scan Tool

Sw

Switch

SWPS

Steering Wheel Position Sensor

syn

Synchronizer

T

TAC

Throttle Actuator Control

Tach

Tachometer

TBI

Throttle Body Fuel Injection

TCC

Torque Converter Clutch

TCS

Traction Control System

TDC

Top Dead Center

TEMP

Temperature

Term

Terminal

TFP

Transmission Fluid Pressure

TFT

Transmission Fluid Temperature

TOC

Transmission Oil Cooler

TP

Throttle Position

TPA

Terminal Positive Assurance

TPM

Tyre Pressure Monitoring, Tyre Pressure Monitor

TR

Transmission Range

TRANS

Transmission/Transaxle

TT

Tell Tail Warning Lamp

TV

Throttle Valve

TVV

Thermal Vacuum Valve

TWC

Three Way Converter Catalytic

TWC+OC

Three Way + Oxidation Converter Catalytic

TXV

Thermal Expansion Valve

U

UART

Universal Asynchronous Receiver Transmitter

U/H

Underhood

U-joint

Universal Joint

UV

Ultraviolet

V

V

Volt(s), Voltage

V6

Six-Cylinder Engine, V-Type

V8

Eight-Cylinder Engine, V-Type

Vac

Vacuum

V dif

Voltage Difference

VDOT

Variable Displacement Orifice Tube

VDV

Vacuum Delay Valve

vel

Velocity

VF

Vacuum Fluorescent

VIO

Violet

VIN

Vehicle Identification Number

VLR

Voltage Loop Reserve

VMV

Vacuum Modulator Valve

VR

Voltage Regulator

V ref

Voltage Reference

VSES

Vehicle Stability Enhancement System

VSS

Vehicle Speed Sensor

W

w/

With

W/B

Wheel Base

WHL

Wheel

WHT

White

w/o

Without

WOT

Wide Open Throttle

W/P

Water Pump

W/S

Windshield

WSS

Wheel Speed Sensor

WU-OC

Warm Up Oxidation Converter Catalytic

WU-TWC

Warm Up Three-Way Converter Catalytic

X

X-valve

Expansion Valve

Y

yd

Yard(s)

YEL

Yellow