Off-Vehicle Inspection
IDLE AIR CONTROL (IAC) VALVE INSPECTIONComponents 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.