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Additional One Door Fails To Lock & Unlock From Any Switch

  1. If driver's door lock is operational, go to step  5 . If driver's door lock is not operational, go to next step.
  2. Determine if vehicle is equipped with Remote Keyless Entry (RKE) system. If vehicle is equipped with RKE, go to next step. If vehicle is not equipped with RKE, go to step  5 .
  3. Remove driver's door unlock relay from junction block located under driver's side of instrument panel. See Figure . Turn ignition and all lights off. Measure resistance between ground and terminal No. 87A at driver's door unlock relay socket in junction block. If resistance is 5 ohms or more, replace junction block. If resistance is less than 5 ohms, go to next step.
  4. Measure resistance between terminals No. 30 and 87A at driver's door unlock relay. See Figure . If resistance is 5 ohms or more, replace driver's door unlock relay. If resistance is less than 5 ohms, reinstall driver's door unlock relay and go to next step.
  5. Remove door trim panel. Disconnect inoperative door lock motor 2-pin connector. If a sliding door lock is inoperative, ensure door is closed before proceeding with test. Using scan tool in ohmmeter mode, measure resistance in door lock relay output circuit at door lock motor connector. See DOOR LOCK RELAY OUTPUT CIRCUIT IDENTIFICATION  table. If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or more, repair open door lock output circuit. If problem is with sliding door, ensure sliding door contacts are clean.
    DOOR LOCK RELAY OUTPUT CIRCUIT IDENTIFICATION

    Door Wire Color
    Driver's Brown
    Liftgate Brown/Red
    Passenger's Brown
    Sliding Door Brown/Yellow
  6. Using scan tool in ohmmeter mode, measure resistance in unlock relay output circuit at lock motor connector. See DOOR UNLOCK RELAY OUTPUT CIRCUIT IDENTIFICATION  table. If resistance is less than 5 ohms, replace door lock motor. If resistance is 5 ohms or more, repair open door unlock relay output circuit. If problem is with sliding door, ensure sliding door contacts are clean.
    DOOR UNLOCK RELAY OUTPUT CIRCUIT IDENTIFICATION

    Door Wire Color
    Driver's Black/Pink
    Liftgate Violet/White
    Passenger's Violet/Yellow
    Sliding Door
    Left Rear Violet/White
    Right Rear Violet/Yellow
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