Component Inspection
INSPECT IAC VALVE OPERATION
IAC Valve Closed:
(a) Connect the positive (+) lead from the battery to terminal +B and negative (-) lead to terminal RSC, and check that the valve is closed.
IAC Valve Open:
(b) 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.