IDLE AIR CONTROL (IAC) VALVE INSPECTION [YF (2.0L Zetec)]

Resistance Inspection

1. Disconnect the negative battery cable.

2. Disconnect the IAC valve connector.

3. Using a tester, measure the resistance between the IAC valve terminals.

• If it is within the specification, inspect the related harnesses.

• If it is not within the specification, replace the IAC valve.

IAC valve resistance

6.0-13.0 ohms