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Test TC-25D - Idle Air Control Motor Circuits

NOTE: For connector terminal ID, see CONNECTOR IDENTIFICATION  Directory. For wiring diagram, see WIRING DIAGRAMS - 2.4L article.
  1. Turn ignition off. Disconnect Powertrain Control Module (PCM) connector. Inspect PCM connector for damaged or pushed out terminals. Repair as necessary. Perform TEST VER-2A. If PCM connector terminals are okay, go to next step.
    NOTE: For next step, see the IAC DRIVER IDENTIFICATION  table for IAC motor wire color identification.
  2. Using an external ohmmeter, check resistance of IAC motor driver No. 3 wire between IAC motor connector and PCM connector terminal No. 48. If resistance is 5 ohms or more, repair open in IAC motor driver No. 3 wire. Perform TEST VER-2A. If resistance is less than 5 ohms, replace PCM. Perform TEST VER-2A.
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