gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Information Bus > < Idle Speed/Throttle Actuator - Electronic|Diagrams|Page 2812
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4. Install the attaching fasteners.

NOTE:  Refer to Fastener Notice in Service Precautions.

Tighten
Tighten the IAC valve fasteners to 3 N.m (27 lb in).

5. Connect the IAC harness connector.
6. Install the engine cover.
7. Reset the IAC valve pintle position.

IAC VALVE RESET PROCEDURE

1. Turn ON the ignition for 5 seconds, leaving the engine OFF.
2. Turn OFF the ignition for 10 seconds.
3. Start the engine.
4. Check for the proper idle speed.

Information Bus > < Idle Speed/Throttle Actuator - Electronic|Diagrams|Page 2812