Off-Vehicle Inspection

IDLE AIR CONTROL (IAC) VALVE INSPECTION
1. Remove IAC valve.

see Service and Repair for procedure.
Service and Repair

2. Inspect IAC valve operation.



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



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

^ If operation is not as specified. replace the IAC valve.