Off-Vehicle Inspection
IDLE AIR CONTROL (IAC) VALVE INSPECTION1. REMOVE THROTTLE BODY.
2. REMOVE IAC VALVE.
- Remove the 4 screws, IAC valve and gasket.
3. 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.
- If operation is not as specified, replace the IAC valve.