Definitions and System Terminology

A/F Air/Fuel Ratio

AIR Air Injection Reaction

ALDL Assembly Line Data Link

BARO Barometric Pressure Sensor

BCM Body Computer Module

CCDIC Climate Control/Driver Information Center

CCP Climate Control Panel

CKT Circuit

CL Closed Loop

CPS Central Power Supply

CTS Coolant Temperature Sensor

DATA SIGNAL A signal sent to or from a computer on a common wire along with other data.

DERM Diagnostic Energy Reserve Module

DIC Driver Information Center

DISCRETE SIGNAL An individual voltage or ground signal that is carried on its own wire.

DVM Digital Voltmeter

ECC Electronic Climate Control

ECM Electronic Control Module

EEPROM Electrically Erasable Programmable Read Only Memory

EFE Early Fuel Evaporation

EGR Exhaust Gas Recirculation

EST Electronic Spark Timing

FDC Fuel Data Center

HEI High Energy Ignition

HVAC Heating, Ventilation, and Air Conditioning

IPC Instrument Panel Cluster

ISC Idle Speed Control

kPa Kilopascals

LED Light Emitting Diode

LHG Left Hand Grommet

LSP Left Switch Pod

MAP Manifold Absolute Pressure Sensor

MAT Manifold Air Temperature Sensor

ms Milliseconds

PFI Port Fuel Injection

POT Potentiometer

PROM Programmable Read Only Memory

PWM Pulse Width Modulated

RAP Retained Access Power

RHG Right hand Grommet

RSP Right Switch Pod

TPS Throttle Position Sensor

VCC Viscous Converter Clutch

VF Vacuum Fluorescent

VSS Vehicle Speed Sensor

W/U Wake-Up: an input signal that powers up a computer.