Abbreviations

IAC 1 Idle Air Control Valve 1 (Formerly Fast Idle Control)
CONV Conventional Systems
EGR Exhaust Gas Recirculation
PCV Positive Crankcase Ventilation
EGR BPT Exhaust Gas Recirculation Back Pressure Transducer
TI Transistorized Ignition
WU-TWC Warm Up Three Way Catalytic Converter
EVAP Evaporative Emission
TWC Three Way Catalytic Converter
EVAP Evaporative Emissions Canister
UB Underbody
IAC 2 Idle Air Control Valve 2
VCC Vacuum Cut Control Solenoid