Idle Speed/Throttle Actuator - Electronic: Service and Repair

IDLE AIR CONTROL (IAC) VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Turn OFF the ignition.
2. Disconnect the idle air control (IAC) valve.




3. Remove the 2 screws that retain the IAC valve.




4. Remove the IAC valve.




5. 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 in the intake manifold.

NOTE: Refer to Fastener Notice in Cautions and Notices.




3. Install the 2 screws that retain the IAC valve.

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




4. Connect the electrical connector to the idle air control valve.
5. The powertrain control module (PCM) will reset the IAC valve whenever the ignition is turned ON, then OFF. Turn the ignition ON for 10 seconds, then OFF for 5 seconds.
6. Start the engine and allow the engine to reach a normal operating temperature.