Brake System Abbreviations

Abbreviations

ACL Air cleaner
A/C Air conditioning
AP Accelerator pedal

CAC Charge air cooler
CFI Continuous fuel injection
CKP Crankshaft position
CMP Camshaft position
CTP Closed throttle position

DLC Data link connector
DI Distributor ignition
DTC Diagnostic trouble code
DSA Dynamic Stability Assistance
DTM Diagnostic test mode

ECM Engine control module
EI Electronic ignition
ECT Engine coolant temperature
EVAP Evaporative emission
EGR Exhaust gas recirculation

FC Fan control
FP Fuel pump

GEN Generator

HO2S Heated oxygen sensor

IAC Idle air control
ICM Ignition control module
IAT Intake air temperature

KS Knock sensor

MAF Mass air flow
MFI Multiport fuel injection
MAP Manifold absolute pressure
MEL Malfunction indicator lamp

NTC Negative temperature coefficient

02S Oxygen sensor (unheated)
OBD On-board diagnostic

PAIR Pulsed secondary air injection
PTC Positive temperature coefficient
PNP Park/neutral position

RPM Engine speed

SRI Service reminder indicator
ST Scan tool
SRS Supplemental restraint system (airbag)

TB Throttle body
TC Turbocharger
TCM Transmission control module
TP Throttle position
TDC Top dead centre
TWC Three way catalytic converter

VSS Vehicle speed sensor

WOT Wide open throttle