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Test C: Left Front Power Window Inoperative

  1. Review information in DESCRIPTION & OPERATION  . Go to next step.
  2. Attempt to operate left front power window. If left front power window is inoperative, go to next step. If left front power window operates, perform appropriate test. See SYMPTOM INDEX  table.
  3. Disconnect left front power window motor harness connector. It may be necessary to remove door trim panel for access to power window motor harness connector. See DOOR TRIM PANEL  under REMOVAL & INSTALLATION. Connect a test light between ground and left front power window motor harness connector Dark Blue wire terminal. Operate left front power window motor to up position. If test light illuminates, go to next step. If test light does not illuminate, go to step  5 .
  4. Connect a test light between left front power window motor harness connector Dark Blue wire and Brown wire terminals. Operate left front power window motor to down position. If test light illuminates, go to step  7 . If test light does not illuminate, go to step  6 .
  5. Check for open in Dark Blue wire between left front power window motor and master window switch. See WIRING DIAGRAMS  . Repair as necessary. After repair, go to step  11 . If no problem is found, go to step  8 .
  6. Check for open in Brown wire between left front power window motor and master window switch. See WIRING DIAGRAMS  . Repair as necessary. After repair, go to step  11 . If no problem is found, go to step  8 .
  7. Check for poor connections at left front power window motor harness connector. Repair as necessary. After repair, go to step  11 . If no problem is found, go to step  9 .
  8. Check for poor connections at master switch assembly harness connector. Repair as necessary. After repair, go to step  11 . If no problem is found, go to step  10 .
  9. Replace left front window motor. See WINDOW MOTOR  under REMOVAL & INSTALLATION. After repair, go to step  11 .
  10. Replace master switch assembly. See WINDOW SWITCH  under REMOVAL & INSTALLATION. After repair, go to step  11 .
  11. Operate system to verify repairs. If system does not operate properly, go to step  2 . If system operates properly, system is okay.