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Idle Air Control Motor Circuits

NOTE: For connector terminal ID, see CONNECTOR IDENTIFICATION. For wiring diagram, see WIRING DIAGRAMS - 3.5L article in ENGINE PERFORMANCE. After each repair, perform TEST VER-2  .
  1. Turn ignition off. Disconnect and inspect Powertrain Control Module (PCM) connector. PCM is located under air cleaner. If any terminals are damaged, pushed out or miswired, repair as necessary. If PCM connector is okay, go to next step.
  2. Using scan tool in ohmmeter mode, check resistance of PCM connector terminal No. 60 (Yellow/Black wire). If resistance is less than 5 ohms, repair short to ground in Yellow/Black wire. If resistance is more than 5 ohms, replace PCM.