A/C Air Conditioning
ACC Air conditioning Clutch Compressor
ACT Air Charge Temperature
ATDC After Top Dead Center
BMAP Barometric and Manifold Absolute Pressure
BP Barometric Pressure
BPA ByPass Air solenoid
BTDC Before Top Dead Center
ECA Electronic Control Assembly (i.e., the computer)
ECT Engine Coolant Temperature
EEC Electronic Engine Control
EFI Electronic Fuel Injection
EGO Exhaust Gas Oxygen sensor
EGR Exhaust Gas Recirculation
FI Fuel Injector
ISC Idle Speed Control
KOEO Key On Engine Off; a self-test mode of the ECA
KOER Key On Engine Running; a self-test mode of the ECA
KS Knock Sensor
MAP Manifold Absolute Pressure
MCU Microprocessor Control Unit
PCV Positive Crankcase Ventilation
PIP Profile Ignition Pickup; indicates crankshaft position to ECA
SPOUT SPark OUTput; signal from ECA
TP, TPS Throttle Position Sensor
VAF Vane Air Flow sensor
VAT Vane Air Temperature sensor
WOT Wide Open Throttle