Idle Speed/Throttle Actuator - Electronic: Service and Repair

IAC VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Remove the injector sight shield.




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




3. Remove the IAC valve attaching screws.




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 compressing the pintle until the extension is less than 28 mm (1-118 in).

1. Install the new IAC valve O-ring.

Idle Air Control (IAC) Valve:

2. Install the IAC valve in the throttle body.





NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the IAC valve attaching screws.

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




4. Connect the electrical connector to the IAC valve.
5. Turn the ignition switch on and then off. The PCM resets the IAC valve whenever the ignition switch is turned on and then off.
6. Start the engine and allow the engine to reach operating temperature.




7. Reinstall the injector sight shield.