ABBREVIATION

DEFINITION

A

Amperes

A/C

Air Conditioning

A/T

Automatic Transmission/Transaxle

AAP

Auxiliary Accelerator Pump

AB

Air Bleed

ABCV

Air Bleed Control Valve

ABDC

After Bottom Dead Center

ABRS

Air Bag Restraint System

ABS

Anti-Lock Brake System

AC

Alternating Current

AC C

A/C Clutch Compressor

ACCS

A/C Cycling Switch

ACCUM

Accumulator

ACCY

Accessory

ACT

Air Charge Temperature Sensor

ACV

Thermactor Air Control Valve

ADJ

Adjust or Adjustable

ADV

Advance

AFS

Airflow Sensor

AI

Air Injection

AIR or A.I.R.

Air Injection Reactor

AIS

Air Injection System

ALCL

Assembly Line Communications Link

ALDL

Assembly Line Diagnostic Link

ARC

Automatic Ride Control

ASCD

Automatic Speed Control Device

ASCS

Air Suction Control Solenoid

ASD

Auto Shutdown

ASDM

Air Bag System Diagnostic Module

ASV

Air Suction Valve

ÀÒÑ

Automatic Temperature Control

ATDC

After Top Dead Center

ATF

Automatic Transmission Fluid

ATS

Air Temperature Sensor

AXOD

Automatic Transaxle Overdrive

Abs.

Absolute

Accy.

Accessory

Alt.

Alternator or Altitude

Amp.

Ampere

Assy.

Assembly

Auto.

Automatic

Aux.

Auxiliary

Avg.

Average

ABBREVIATION

DEFINITION

B/P

Backpressure

ÂÀÑ

By-Pass Air Control

ÂÀÐ

Barometric Absolute Pressure Sensor

BARO

Barometric

BBDC

Before Bottom Dead Center

ÂÑÌ

Body Control Module

BDC

Bottom Dead Center

ÂÍÐ

Brake Horsepower

BLK

Black

BLU

Blue

ÂÌÀÐ

Barometric & Manifold Absolute Pressure Sensor

BOO

Brake On-Off Switch

ÂÐ

Barometric Pressure sensor

BPS

Barometric Pressure Sensor

ÂÐÒ

Backpressure Transducer

BRN

Brown

BTDC

Before Top Dead Center

BTU

British Thermal Unit

BVSV

Bimetallic Vacuum Switching Valve

Âàãî.

Barometric

Batt.

Battery

ÂÛ.

Barrel (Example: 4-Bbl.)

Blst.

Ballast

Blwr.

Blower

Brkr.

Breaker

ABBREVIATION

DEFINITION

° Ñ

Celsius (Degrees)

C(3) I

Computer Controlled Coil Ignition

C(4)

Computer Controlled Catalytic Converter

CANP

Canister Purge solenoid

CARB

California Air Resources Board

CAT

Catalytic Converter

CB

Circuit Breaker

CBD

Closed Bowl Distributor

CBVV

Carburetor Bowl Vent Valve

cc

Cubic Centimeter

CCC

Computer Command Control

CCD

Computer Controlled Dwell

CCM

Central Control Module

CCO

Converter Clutch Override

CCOT

Cycling Clutch Orifice Tube

ccw

Counterclockwise

CDI

Capacitor Discharge Ignition

CEC

Computerized Engine Control

CFI

Central Fuel Injection

CID

Cubic Inch Displacement

CID

Cylinder Identification sensor

CIS

Continuous Injection System

CIS-E

Continuous Injection System-Electronic

CKT

Circuit

CLR

Clear

CNG

Compressed Natural Gas

ABBREVIATION

DEFINITION

"D"

Drive

DBC

Dual Bed Catalyst

DC

Direct Current or Discharge

DDD

Dual Diaphragm Distributor

DERM

Diagnostic Energy Reserve Module

DFI

Digital Fuel Injection

DIC

Driver Information Center

DIS

Direct Ignition System

DIS

Distributorless Ignition System

DIST

Distribution

DISTR

Distributor

DK BLU

Dark Blue

DK GRN

Dark Green

DME

Digital Motor Electronics (Motronic System)

DOHC

Double Overhead Cam

DOT

Department of Transportation

DP

Dashpot

DRB-II

Diagnostic Readout Box

DVOM

Digital Volt/Ohm Meter (see VOM)

Def.

Defogger or Defroster

Def.

Defrost

Defog.

Defogger

Diag.

Diagnostic

Dist.

Distributor or Distribution

Dr.

Door

EAC

Electric Assist Choke

EACV

Electric Air Control Valve

EBCM

Electronic Brake Control Module

ECA

Electronic Control Assembly

ECAT

Electronically Controlled Automatic Transaxle

ECM

Electronic Control Module

ÅÑÒ

Engine Coolant Temperature Sensor

ECU

Electronic Control Unit or Engine Control Unit

EDF

Electric Drive Fan relay assembly

EDIS

Electronic Distributorless Ignition System

EEC

Electronic Engine Control

EECS

Evaporative Emission Control System

EEPROM

Electronically Erasable PROM

EFE

Early Fuel Evaporation

EFI

Electronic Fuel Injection

EGO

Exhaust Gas Oxygen sensor (see HEGO)

EGR

Exhaust Gas Recirculation system

EGRC

EGR Control solenoid or system

EGRV

EGR Vent solenoid or system

EMR

Emission Maintenance Reminder Module

ESA

Electronic Spark Advance

ESC

Electronic Spark Control

EST

Electronic Spark Timing

ETR

Emergency Tensioning Retractor

EVAP

Fuel Evaporative System

EVIC

Electronic Vehicle Information Center

EVO

Electronic Variable Orifice

EVP

EGR Valve Position Sensor

EVR

EGR Valve Regulator

EVRV

Electronic Vacuum Regulator Valve

Elect.

Electronic

Eng.

Engine

Evap.

Evaporative

Exc .

Except

ABBREVIATION

DEFINITION

° F

Fahrenheit (Degrees)

F/B

Fuse Block

FBC

Feedback Carburetor

FI

Fuel Injector or Fuel Injection

FICD

Fast Idle Control Device

FIPL

Fuel Injector Pump Lever

FP

Fuel Pump

FPM

Fuel Pump Monitor

FPR-VSV

Fuel Pressure Regulator Vacuum Switching Valve

FWD

Front Wheel Drive

Fed.

Federal

Ft. Lbs.

Foot Pounds

g

grams

GND or GRND

Ground

GRN

Green

GRY

Gray

Ga.

Gauge

Gals.

gallons

Gov.

Governor

ABBREVIATION

DEFINITION

H/D

Heavy Duty

ÍÀÑ

High Altitude Compensation

ÍÑ

Hydrocarbons

HEDF

High Speed Electro Drive Fan relay or circuit

HEGO

Heated Exhaust Gas Oxygen Sensor

HEGOG

HEGO Ground circuit

HEI

High Energy Ignition

HLDT

Headlight

HO

High Output

HP

High Performance

HSC

High Swirl Combustion

HSO

High Specific Output

HTR

Heater

HVAC

Heating

Headlt.

Headlight

Hg

Mercury

Hgt.

Height

Htr.

Heater

Hz

Hertz (Cycles Per Second)

ABBREVIATION

DEFINITION

I.D.

Inside Diameter

I AC

Idle Air Control

IACV

Idle Air Control Valve

1Ñ

Integrated Circuit

ID

Identification

I DM

Ignition Diagnostic Monitor

IGN

Ignition system or circuit

ILC

Idle Load Compensator

In. Hg

Inches of Mercury

INCH Lbs.

Inch Pounds

INFL REST

Inflatable Restraint

INJ

Injector or Injection

IP

Instrument Panel

IPC

Instrument Panel Cluster

ISA

Idle Speed Actuator

ISC

Idle Speed Control

ISS

Idle Stop Solenoid

ITS

Idle Tracking Switch

IVSV

Idle Vacuum Switching Valve

ABBREVIATION

DEFINITION

J/B

Junction Block

ABBREVIATION

DEFINITION

k/ohms

1000 ohms (kilo as in k/ohms)

kg

Kilograms (weight)

kg/cm

Kilograms Per Square Centimeter

KAM

Keep Alive Memory

KAPWR

Keep Alive Power

KM/H

Kilometers Per Hour

KOEO

Key On Engine Off

KOER

Key On Engine Running

KS

Knock Sensor

ABBREVIATION

DEFINITION

L

Liter(s)

L/D

Light Duty

LCD

Liquid Crystal Display

LED

Light Emitting Diode

LH

Left Hand

LOS

Limited Operation Strategy

LT BLU

Light Blue

LT GRN

Light Green

LUS

Lock-Up Solenoid

Lbs.

Pounds

Lt (s) .

Light(s)

Lugg.

Luggage

ABBREVIATION

DEFINITION

mA mV mfd.

Milliamps Millivolts Microfarads

nun

Millimeters

M/T

Manual Transaxle or Transmission

MA PFI

Mass Air Sequential Port Fuel Injection system

MA or MAF

Mass Airflow

MAF

Mass Air Flow sensor

MAFS

Mass Airflow Sensor

MAP

Manifold Absolute Pressure sensor

MAT

Manifold Air Temperature

MCU

Microprocessor Control Unit

MCV

Mixture Control Valve

MEM-CAL

Memory Calibration Chip

MFI

Multiport Fuel Injection

MIL

Malfunction Indicator Light

MLP

Manual Lever Position

MPFI

Multi Point Fuel Injection

MPH

Miles Per Hour

MPI

Multi-Point (Fuel) Injection

Man.

Manual

Mech.

Mechanical

Mem.

Memory

Mtr.

Motor

ABBREVIATION

DEFINITION

N.m

Newton-Meter

NA

Not Available

NDS

Neutral Drive Switch

NGS

Neutral Gear Switch

NOx

Oxides of Nitrogen

NPS

Neutral Pressure Switch

No.

Number

Nos.

Numbers

ABBREVIATION

DEFINITION

0

Oxygen

O.D.

Outside Diameter

O/S

Oversize

O2

Oxygen

ÎÑ

Oxidation Catalyst

OCC

Output Circuit Check

OD

Overdrive

ODO

Odometer

OHC

Overhead Camshaft

ORG

Orange

OSC

Output State Check

Opt.

Option or Optional

oz .

Ounce

ozs .

Ounces

ABBREVIATION

DEFINITION

í p í

Park

Ð/Ñ

Printed Circuit

P/N

Park/Neutral

P/S

Power Steering

PAV

Pulse Air Valve

PC-SOL

Purge Control Solenoid

PCM

Powertrain Control Module

PCS

Purge Control Solenoid

PCSDM

Passenger Compartment Sensor/Diagnostic Module

PCV

Positive Crankcase Ventilation

PFE

Pressure Feedback EGR sensor or circuit

PFI

Port Fuel Injection (see MA SEFI)

PGM-CARB

Programmed Carburetor

PGM-FI

Programmed Fuel Injection

PIP

Profile Ignition Pickup

PNK

Pink

PPL

Purple

PRNDL

Park Reverse Neutral Drive Low

PROM

Programmable Read-Only Memory

psi

Pounds Per Square Inch

PSPS

Power Steering Pressure Switch

PTC

Positive Temperature Coefficient

PTO

Power Take-Off

PWR GND

Power Ground circuit

Pkg.

Package

Press.

Pressure

Prog.

Programmed or Programmable

Pts.

Pints

Pwr.

Power

ABBREVIATION

DEFINITION

Qts.

Quarts

ABBREVIATION

DEFINITION

RABS

Rear Anti-Lock Brake System

RAC

Remote Accessory Control

RAM

Random Access Memory

RAP

Retained Accessory Power

RECIRC

Recirculation

RED

Red

RH

Right Hand

ROM

Read Only Memory

RPM

Revolutions Per Minute

ABBREVIATION

DEFINITION

SAW

Spark Angle Word

SBC

Single Bed Converter

SBEC

Single Board Engine Controller

SC

Super Charged

sec

Spark Control Computer

SCS

Air Suction Control Solenoid

SDM

Supplemental Restraint System Diagnostic Module

SDU

SRS Diagnostic Unit

SEN

Sensor

SES

Service Engine Soon

SFI

Sequential (Port) Fuel Injection

SIG RTN

Signal Return circuit

SIL

Shift Indicator Light

SIR

Supplemental Inflatable Restraint

SMEC

Single Module Engine Controller

SOHC

Single Overhead Cam

SOL or Sol.

Solenoid

SPFI

Sequential Port Fuel Injection

SPK

Spark Control

SPOUT

Spark Output Signal

SRS

Supplemental Restraint System (Air Bag)

SS 3/4-4/3

Shift Solenoid circuit

SSI

Solid State Ignition

STAR

Self-Test Automatic Readout

STI

Self Test Input circuit

STO

Self-Test Output

SUB-O2

Sub Oxygen Sensor

Sen. or Sens.

Sensor

Sol.

Solenoid

Sprchg.

Supercharger

Strg.

Steering

Susp.

Suspension

Sw.

Switch

Sys.

System

ABBREVIATION

DEFINITION

T.V.

Throttle Valve

TAB

Thermactor Air By-Pass

TAC

Thermostatic Air Cleaner

TAD

Thermactor Air Diverter

TAN

Tan

TBI

Throttle Body Injection

"V" ABBREVIATION

TABLE

ABBREVIATION

DEFINITION

V

Valve

VAF

Vane Air Flow sensor or circuit

VAPS

Variable Assist Power Steering

VAT

Vane Air Temperature

VATS

Vehicle Anti-Theft System

VBATT

Vehicle Battery Voltage

VCC

Viscous Converter Clutch

VIN

Vehicle Identification Number

VIO

Violet

VLR

Volt Loop Reserve

VM

Vacuum Modulator

VM

Vane Meter

VOM

Volt-Ohmmeter (Analog)

VPWR

Vehicle Power supply voltage (10-14 volts)

VREF

Voltage Reference (ECA supplied reference voltage

VRV

Vacuum Regulator Valve

VSC

Vehicle Speed Control sensor or signal

VSS

Vehicle Speed Sensor or signal

VSV

Vacuum Switching Valve

Vac.

Vacuum

Volt.

Voltage

ABBREVIATION

DEFINITION

W/

With

W/O

Without

WAC

WOT A/C Cut-off switch or circuit

WAC

Wide Open Throttle A/C Switch

WHT

White

WOT

Wide Open Throttle

YEL

Yellow