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Test A: Left Window Inoperative

  1. Perform door systems diagnostic system check. See DOOR SYSTEMS DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. After system check is performed, go to next step.
  2. Verify left power window inoperative fault is present. If left power window operates correctly, problem is intermittent. Check connectors for poor terminal contact. If left power window does not operate correctly, go to next step.
  3. If power mirrors and driver's door lock are inoperative, go to step  6 . If power mirrors and driver's door lock are not inoperative, go to next step.
  4. Install scan tool to Data Link Connector (DLC). Turn ignition on, engine off. Observe DRIVER WINDOW DOWN SWITCH and DRIVER WINDOW UP SWITCH parameters in LEFT DOOR CONTROL MODULE INPUTS data list. Operate driver window switch up and down. If scan tool displays ACTIVE for DRIVER WINDOW DOWN SWITCH and DRIVER WINDOW UP SWITCH parameters, go to next step. If scan tool does not display ACTIVE for DRIVER WINDOW DOWN SWITCH and DRIVER WINDOW UP SWITCH parameters, go to step  7 .
  5. Turn ignition off. Disconnect left window motor connector. Turn ignition on, engine off. Connect test light between left window motor connector terminals No. 1 (Dark Blue wire) and No. 2 (Brown wire). Using scan tool, command left window up and down. If test light illuminates with each command, go to step  9 . If test light does not illuminate with each command, go to step  8 .
  6. Check driver's door switch ground circuit (Black wire) for an open circuit. Repair wiring as necessary. If wiring is repaired, go to step  15 . If wiring is okay, go to step  10 .
  7. Check power window master switch left window signal circuits (Gray and Brown wires) for an open circuit. If an open circuit was found and corrected, go to step  15 . If an open circuit was not found, go to step  10 .
  8. Check power window motor left control circuits (Dark Blue and Brown wires) for an open circuit. If an open circuit was found and corrected, go to step  15 . If an open circuit was not found, go to step  11 .
  9. Check for poor connection at driver window motor. If poor connection was found and corrected, go to step  15 . If poor connection was not found, go to step  12 .
  10. Check for poor connection at driver door switch. If poor connection was found and corrected, go to step  15 . If poor connection was not found, go to step  13 .
  11. Check for poor connection at Driver Door Module (DDM). If poor connection was found and corrected, go to step  15 . If poor connection was not found, go to step  14 .
  12. Replace driver window motor. See WINDOW MOTOR & REGULATOR  under REMOVAL & INSTALLATION. After motor replacement, go to step  15 .
  13. Replace driver door switch. See WINDOW SWITCH  under REMOVAL & INSTALLATION. After door switch replacement, go to step  15 .
  14. Replace DDM. See DOOR CONTROL MODULE  under REMOVAL & INSTALLATION. Using scan tool, program module. See DOOR CONTROL MODULE  under PROGRAMMING. After repair, go to next step.
  15. Operate system and verify repair. If problem is still present, go to step  2 .
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