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.

INSPECTION




INSPECT IAC VALVE OPERATION
a. Check that the IAC valve is half opened.
b. Connect the IAC valve connector to the IAC valve.
c. Disconnect the ECT sensor connector from the ECT sensor.
d. Turn the ignition switch ON.
e. Check that the IAC valve moves.

HINT: Repeat connecting and disconnecting of IAC valve connector several times and check the operation of the valve.

If operation is not as specified, replace the IAC valve.
f. Turn the ignition switch OFF.
g. Connect the ECT sensor connector to the ECT sensor.
h. Disconnect the IAC valve connector from the IAC valve.

INSTALLATION
Installation is in reverse order of removal.

HINT: Install the IAC valve with a new gasket.