Acronym Glossary

A

A/C

Air Conditioning

ACC

Adaptive Cruise Control

ACV

Additive Correction Value Range 1

ADR

Automatic Distance Regulation

A/F

Air/Fuel

AIR

Secondary Air Injection

APPS

Accelerator Pedal Position Sensor

B

C

CCS

Cruise Control System

CID

Component Identifier

CMP

Camshaft Position

CSD

Characteristic Shift Down

CTP

Closed Throttle Position

D

DLC

Data Link Connector

DOR

Direct Ozone Reduction

DTC

Diagnostic Trouble Code

DTM

Diagnostic Test Mode

E

ECM

Engine Control Module

ECT

Engine Coolant Temperature

EGR

Exhaust Gas Recirculation

EPC

Electronic Power Control

ETS

Exhaust Temperature Sensor

F

FP

Fuel Pump

G

GND

Ground

H

HO2S

Heated Oxygen Sensor

I

IA

Adjustment Line

IAT

Intake Air Temperature

IP

Pump Current Line

J

K

KS

Knock Sensor

L

LDP

Leak Diagnosis Pump

LMCV

Lower Multiplicative Correction Value Range 2

LSF1

1^st Binary Oxygen Sensor

LSF2

2^nd Binary Oxygen Sensor

LSU

Linear Oxygen Sensor Upstream

M

MAF

Mass Air Flow

MAP

Manifold Absolute Pressure Sensor

MFI

Multiport Fuel Injection

MIL

Malfunction Indicator Lamp

MLCC

Multiple Learning Correction Coefficient Range 2

N

O

O2S

Oxygen Sensor

OBD

On Board Diagnostic

OSC

Oxygen Storage Capabilities

P

PCV

Positive Crankcase Ventilation

PID

Parameter Identification

PM

Particulate Mater

Q

R

RPM

Engine Speed Sensor

S

SP

Sporadically

ST

Scan Tool

SULEV

Super Ultra Low Emission Vehicles

T

TC

Turbocharger

TCM

Transmission Control Module

TDC

Top Dead Center

TID

Test Identifier

TP

Throttle Position

TR

Transmission Range

TVV

Thermal Vacuum Valve

TWC

Three Way Catalytic Converter

U

ULEV

Ultra Low Emission Vehicles

UMCV

Upper Multiplicative Correction Value Range 3

UN

Nernst Voltage

V

VIN

Vehicle Identification Number

VM

Virtual Mass Line

VSS

Vehicle Speed Sensor

VVT

Variable Valve Timing

W

WOT

Wide Open Throttle

X

Y

Z