Idle Speed/Throttle Actuator - Electronic: Service and Repair

NOTE: The Idle Air Control (IAC) valve cannot be cleaned. The IAC valve must be replaced.

CAUTION: Do not use Carburetor Tune-Up Cleaner D9AZ-19579-BA (ESR-M14P9-A) or any other type solvent or damage to the valve internal components may result.

Throttle Position Sensor and IAC Solenoid:

REMOVAL

1. Disconnect battery ground cable.

2. Disconnect the engine control sensor wiring from the IAC valve.

3. Remove the two IAC valve retaining screws.

4. Remove the IAC valve and IAC valve gasket.

INSTALLATION

NOTE: If scraping is necessary, be careful not to damage IAC valve or IAC valve gasket surfaces, or drop material into throttle body or intake manifold.

1. Clean IAC valve gasket mating surfaces.

2. Reverse removal procedure.

3. Tighten retaining screws to 9.5 Nm (7 ft lb).

4. Connect battery ground cable.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the adaptive strategy.