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.

REMOVAL

1. Disconnect battery ground cable.

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

3. Remove the two IAC valve retaining screws.

4. Remove the IAC valve.

5. Remove and discard IAC valve gasket.

INSTALLATION

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

1. Clean IAC valve gasket mating surfaces.

2. Using a new IAC valve gasket, install IAC valve. Reverse removal procedure for installation.

3. Tighten retaining screws to 8-12 Nm (71-106 in lb).

4. Rotate screws an additional 85-95 degrees (clockwise).

5. 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.