Idle Speed/Throttle Actuator - Electronic: Service and Repair
IDLE AIR CONTROL (IAC) VALVE REPLACEMENTREMOVAL PROCEDURE
1. Remove the electrical connector (1) from the idle air control (IAC) valve (4).
2. Remove the IAC valve attaching screws (2) from the IAC valve (1).
3. Remove the IAC valve from the throttle body.
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 O-ring on the IAC valve.
2. Install the IAC valve into the throttle body.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the idle air control valve attaching screws (2).
Tighten
Tighten the idle air control valve attaching screws to 3 N.m (27 lb in).
4. Install the electrical connector (1) into the idle air control valve.
5. Perform the IAC valve learn procedure.
5.1. Start and idle the engine for 15 seconds.
5.2. Turn the ignition switch to the LOCK/OFF position.
5.3. Wait 15 seconds.
5.4. Restart the engine and check for proper idle operation.