Idle Speed/Throttle Actuator - Electronic: Service and Repair

Idle Air Control (IAC) Valve:

REMOVAL

1. REMOVE THROTTLE BODY




2. REMOVE IAC VALVE
Remove the 4 screws, IAC valve and gasket.

HINT: At the time of installation, place a new gasket on the throttle body.

INSPECTION

INSPECT IAC VALVE OPERATION




a. Connect the positive (+) lead from the battery to terminal +B and negative (-) lead to terminal RSC, and check that the valve is closed.




b. Connect the positive (+) lead from the battery to terminal +B and negative (-) lead to terminal RSO, and check that the valve is open.

If operation is not as specified, replace the IAC valve.

INSTALLATION
Installation is in the reverse order of removal.