Idle Speed/Throttle Actuator - Electronic: Service and Repair

IDLE AIR CONTROL (IAC) VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Disconnect the IAC harness connector.




2. Remove the idle air control valve attaching screws.




3. Remove the idle air control valve.




4. Remove the idle air control valve O-ring.

INSTALLATION PROCEDURE

NOTE: The IAC valve may be damaged if installed with the cone (pintle) extended more than 25 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 idle air control valve O-ring.




2. Install the idle air control valve into the throttle body.

NOTE: Refer to Fastener Notice in Service Precautions.




3. Reinstall the idle air control valve attaching screws.

Tighten
The screws to 3.0 N.m (27 lb in).




4. Connect the IAC harness connector.
5. The PCM will reset the idle air control valve whenever the ignition is turned ON, then OFF. Turn the ignition ON, then OFF.
6. Start the engine and allow the engine to reach operating temperature and check for proper operation.