3.5RL V6-3474cc 3.5L (2001)
Idle Speed/Throttle Actuator - Electronic: Description and Operation
Idle Air Control Valve
Idle Air Control
Idle Air Control Valve (IAC Valve)
When the engine is cold, the A/C compressor is on, the transmission is in gear, the brake pedal is depressed, the power steering load is high, or the
alternator is charging, the PCM controls current to the IAC Valve to maintain the correct idle speed.