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HOMESERVICE MANUALSCHEVROLET2002IMPALA LSREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEWINDOWSPOWER WINDOW SYSTEMSYSTEM TESTSTEST E: PASSENGER POWER WINDOW INOPERATIVE
2002 Chevrolet Impala LS

Test E: Passenger Power Window Inoperative

2002 Chevrolet Impala LSSECTION Test E: Passenger Power Window Inoperative
  1. Ensure lock-out switch on master switch assembly is in OFF position (Impala). Review information in DESCRIPTION & OPERATION  . Go to next step.
  2. Attempt to operate suspect passenger power window. If suspect passenger power window is inoperative, go to next step. If suspect passenger power window operates, perform appropriate test. See SYMPTOM INDEX  table.
  3. Disconnect inoperative passenger power window switch harness connector. Turn ignition switch to ON position. On Monte Carlo, go to next step. On Impala, connect test light between ground and inoperative passenger power window switch harness connector terminal "A" (Dark Blue wire). See Figure . If test light illuminates, go to next step. If test light does not illuminate, go to step  6 .
  4. Connect test light between inoperative passenger power window switch harness connector terminals "D" (Light Blue wire for right front door; Dark Green wire for left rear door; Light Green wire for right rear door) and "H" (Tan wire for right front door; Purple wire for either rear door). Operate switch of inoperative power window motor to up and down positions. If test light illuminates with switch in both positions, go to next step. If test light does not illuminate with switch in both positions, go to step  7 .
  5. Connect inoperative passenger power window switch harness connector. Disconnect inoperative passenger 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 test light between passenger power window switch harness connector terminals. Operate switch of inoperative power window motor to up and down positions. If test light illuminates with switch in both positions, go to step  9 . If test light does not illuminate with switch in both positions, go to step  8 .
  6. Check for open in Dark Blue wire between inoperative passenger power window switch harness connector terminal "A" and master window switch. See WIRING DIAGRAMS  . Repair as necessary. After repair, go to step  15 . If no problem is found, go to step  10 .
  7. Check for short to voltage or open in appropriate wire between inoperative passenger power window switch and master window switch. See WIRING DIAGRAMS  . Repair as necessary. After repair, go to step  15 . If no problem is found, go to step  10 .
  8. Check for short to voltage or open in appropriate wire between inoperative passenger power window switch and appropriate power window motor. See WIRING DIAGRAMS  . Repair as necessary. After repair, go to step  15 . If no problem is found, go to step  11 .
  9. Check for poor connection at appropriate power window motor. Repair as necessary. After repair, go to step  15 . If no problem is found, go to step  12 .
  10. Check for poor connection at master window switch. Repair as necessary. After repair, go to step  15 . If no problem is found, go to step  13 .
  11. Check for poor connection at appropriate power window switch. Repair as necessary. After repair, go to step  15 . If no problem is found, go to step  14 .
  12. Replace appropriate power window motor. See WINDOW MOTOR  under REMOVAL & INSTALLATION. After repair, go to step  15 .
  13. Replace master switch assembly. See WINDOW SWITCH  under REMOVAL & INSTALLATION. After repair, go to step  15 .
  14. Replace appropriate power window switch. See WINDOW SWITCH  under REMOVAL & INSTALLATION. After repair, go to next step.
  15. Operate system to verify repairs. If system does not operate properly, go to step  2 . If system operates properly, system is okay.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
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  • • The engine overheats, stalls repeatedly, or misfires under load.
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