Idle Speed/Throttle Actuator - Electronic: Service and Repair

IDLE AIR CONTROL (IAC) VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Disconnect the idle air control (IAC) valve electrical connector.




2. Remove the IAC valve screws.




3. Remove the IAC valve.




4. Remove the IAC valve O-ring.

INSTALLATION PROCEDURE

NOTE: The IAC valve may be damaged if installed with the cone (pintle) extended more than 28 mm (1-1/8 in). Measure the distance that the valve is extended before installing a new valve. The distance from the idle air control valve motor housing to the end of the idle air control valve pintle should be less than 28 mm (1-1/8 in). Manually compress the pintle until the extension is less than 28 mm (1-1/8 in).




1. Install the new IAC valve O-ring.




2. Install the IAC valve.

NOTE: Refer to Fastener Notice in Service Precautions.




3. Install the IAC valve screws.

Tighten
Tighten the screws to 3 N.m (27 lb in).




4. Connect the IAC valve electrical connector.
5. The powertrain control module (PCM) will reset the IAC valve whenever the ignition is turned ON, then OFF. Turn the ignition ON, then OFF.
6. Start the engine. Allow the engine to reach operating temperature. Verify proper operation.