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Off-Vehicle Inspection

IDLE AIR CONTROL (IAC) VALVE INSPECTION

Components For IAC Valve Removal And Replacement:




1. REMOVE THROTTLE BODY AND IAC VALVE.



- Remove the 4 screws, IAC valve and gasket.

2. INSPECT IAC VALVE OPERATION.



- Connect the positive (+) lead from the battery to terminal +B and negative (-) lead to terminal RSC and check that the valve is closed.




- Connect the positive (+) lead from the battery to terminal +B and negative (-) lead to terminal RSO, and check that the valve is open.