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Home >> Cadillac >> 2003 >> Seville V8-4.6L VIN 9 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Idle Speed/Throttle Actuator - Electronic >> Service and Repair
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Idle Speed/Throttle Actuator - Electronic: Service and Repair



IDLE AIR CONTROL (IAC) VALVE REPLACEMENT







REMOVAL PROCEDURE
1. Remove the electrical connector (1) from the IAC valve (4).







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







3. Remove the IAC valve from the throttle body.
4. Remove the IAC valve O-ring.








INSTALLATION PROCEDURE
1. Install the new IAC valve O-ring.







2. Install the IAC valve (1) into the throttle body.
3. Install the IAC valve attaching screws (2) into the IAC valve.

NOTE: Refer to Fastener Notice in Service Precautions. Vehicle Damage Warnings


Tighten
Tighten the IAC valve attaching screws to 3 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 switch ON.
7. Turn the ignition switch 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 switch to the LOCK/OFF position.
8.3. Wait 15 seconds.
8.4. Restart the engine, and check for proper idle operation.
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