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Home >> Cadillac >> 1997 >> Catera >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window System >> System Tests >> Left Front Window Inoperative From Left Front Switch
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Left Front Window Inoperative From Left Front Switch

  1. If power window system check was performed, go to next step. If power window system check was not performed, see POWER WINDOW SYSTEM CHECK  .
  2. Disconnect left front side door window regulator motor connector. Using DVOM connected to ground, measure voltage at left front side door regulator motor 6-pin connector terminal No. 1 (Red wire). If battery voltage exists, go to step 4). If battery voltage does not exist, go to next step.
  3. Repair open or high resistance in Red wire between left front side door window regulator motor and splice S271. After repair is complete, go to step 11).
  4. Using DVOM connected to ground, measure resistance of Black wire at left front side door window regulator motor connector terminal No. 4. If resistance is less than 5 ohms, go to step 6). If resistance is not less than 5 ohms, go to next step.
  5. Repair open or high resistance in Black wire between left front side door window regulator motor and splice S503.
  6. Turn ignition switch to RUN position. Press left front side door window switch UP button. Using DVOM connected to ground, measure voltage at left front side door window regulator motor connector terminal No. 2 (Gray/Green wire). If battery voltage exists, go to step 8). If battery voltage does not exist, go to next step.
  7. Repair open or high resistance in Gray/Green wire between left front side door window switch and left front side door window regulator motor. If Gray/Green wire okay, replace left front side door window switch. After repair, go to step 11).
  8. Press left front side door window switch DOWN button. Using DVOM connected to ground, measure voltage at left front side door window regulator motor connector terminal No. 3 (Blue/Red wire). If battery voltage exists, go to step 10). If battery voltage does not exist, go to next step.
  9. Repair open or high resistance in Blue/Red wire between left front side door window switch and left front side door window regulator motor. After repair, go to step 11).
  10. Replace left front side door window regulator motor. After repair, go to next step.
  11. Connect all connectors and components that were disconnected. Verify left front side door power window operates properly. If left front side door power window does not operate properly, go to step 1).
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