Idle Speed/Throttle Actuator - Electronic: Service and Repair
IDLE AIR CONTROL (IAC) VALVE REPLACEMENTREMOVAL PROCEDURE
1. Remove the throttle control cable bracket from the throttle body.
2. Remove the canister purge valve.
3. Disconnect the idle air control (IAC) electrical connector.
4. Remove the idle air control valve attaching screws.
5. Remove the idle air control valve.
6. 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 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 idle air control O-ring.
2. Install the idle air control valve into the throttle body.
3. Install the idle air control valve attaching screws.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the screws to 3 N.m (27 lb in).
4. Connect the IAC electrical connector.
5. Install the canister purge valve.
6. Install the throttle control cable bracket.
7. The powertrain control module (PCM) will reset the idle air control valve whenever the ignition is turned ON, then OFF. Turn ON the ignition, then OFF.
8. Start the engine and allow the engine to reach operating temperature.