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Test O: Door Ajar Indicator Inoperative

  1. If door systems diagnostic system check has been performed, go to next step. If door systems diagnostic system check has not been performed, perform DOOR SYSTEMS DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Review operation of door ajar message to verify complaint. See DOOR AJAR INDICATORS  under DESCRIPTION & OPERATION (INDICATOR/WARNING MESSAGE). If door ajar message does not operate as described, go to next step. If door ajar message operates as described, inspect for intermittents. See TROUBLE SHOOTING  .
  3. Connect scan tool to Data Link Connector (DLC). DLC is located below left side of instrument panel, near steering column. Turn ignition switch to RUN position. Open suspect door. Using scan tool, observe suspect door ajar switch parameter in Driver's Door Module (DDM) inputs data list. If scan tool does not display ON, go to next step. If scan tool displays ON, inspect for intermittents. See TROUBLE SHOOTING  .
  4. Turn ignition switch to OFF position. Disconnect suspect door lock actuator harness connector. Connect a 3-amp fused jumper wire between suspect door lock actuator harness connector terminals signal circuit (Gray/Black wire for driver's door, Black/White wire for passenger's front door, Light Blue/Black wire for both rear doors) and ground circuit (Tan/White wire for left rear door, Black/White wire for remaining doors). Turn ignition switch to RUN position. Using scan tool, observe door ajar switch parameter. If scan tool does not display ON, go to next step. If scan tool displays ON, go to step  8 .
  5. Inspect ground circuit for an open or high resistance between suspect door lock actuator harness connector and suspect door module. If problem does not exist, go to next step. If problem exists, repair Tan/White wire or Black/White wire as necessary. After repair, go to step  11 .
  6. Inspect suspect door ajar switch signal circuit for an open, high resistance or short to voltage between suspect door lock actuator harness connector terminal (Gray/Black wire for driver's door, Black/White wire for passenger's front door, Light Blue/Black wire for both rear doors) and suspect door module. If problem does not exist, go to next step. If problem exists, repair Gray/Black wire, Black/White wire or Light Blue/Black wire as necessary. After repair, go to step  11 .
  7. Inspect suspect door module harness connector for poor connections. If problem does not exist, go to step  9 . If problem exists, repair suspect door module harness connector as necessary. After repair, go to step  11 .
  8. Inspect suspect door lock actuator harness connector for poor connections. If problem does not exist, go to step  10 . If problem exists, repair suspect door lock actuator harness connector as necessary. After repair, go to step  11 .
  9. Replace suspect door module. After repair, go to step  11 .
  10. Replace suspect door lock actuator. After repair, go to next step.
  11. Operate system to verify repair. If system is not operating correctly, repeat test beginning at step  2 .
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