IDLE AIR CONTROL (IAC) SOLENOID VALVE INSPECTION[AJ (3.0L Duratec)]
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Resistance Inspection
1. Disconnect the negative battery cable.
2. Disconnect the IAC solenoid valve connector.
3. Using a tester, measure the resistance between the IAC solenoid valve terminals.
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Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION[AJ (3.0L Duratec)].)
2. Inspect the following wiring harness for open or short (continuity check).
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Open circuit
Short circuit