Idle Speed/Throttle Actuator - Electronic: Service and Repair

IDLE AIR CONTROL (IAC) VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Remove the electrical connector (1) from the idle air control valve (4).




2. Remove the idle air control valve attaching screws (2) from the idle air control valve (1).




3. Remove the idle air control valve from the throttle body.
4. Remove the idle air control valve O-ring.

INSTALLATION PROCEDURE




1. Install the new idle air control valve O-ring.




2. Install the idle air control valve (1) into the throttle body.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the idle air control valve attaching screws (2) into the IAC valve.

Tighten
Tighten the idle air control valve attaching screws to 3.0 N.m (27 lb in).




4. Install the electrical connector (1) into the idle air control valve (4).
5. The powertrain control module (PCM) will reset the idle air control valve whenever the ignition switch is turned ON, then OFF.
6. Turn the ignition ON.
7. Turn the ignition OFF.
8. Perform the IAC valve learn procedure.

IAC Valve Learn Procedure
8.1. Start and idle the engine for 15 seconds.
8.2. Turn the ignition to the LOCK/OFF position.
8.3. Wait 15 seconds.
8.4. Restart the engine, and check for proper idle operation.