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Left Rear Window Does Not Operate From Individual Switch And Master Switch

  1. Turn ignition switch to RUN position. Using test light connected to ground, backprobe master window switch connector C1, terminal "C" (Dark Green wire). See Figure . Press left rear power window switch in master window switch to UP position. If test light illuminates, go to next step. If test light does not illuminate, go to step 6).
  2. Using test light connected to battery voltage, backprobe master window switch harness connector C1, terminal "C" (Dark Green wire). Press left rear power window switch on master window switch to DOWN position. If test light illuminates, go to next step. If test light does not illuminate, go to step 6).
  3. Using test light connected to ground, backprobe master window connector C1, terminal "H" (Purple wire). Press left rear power window switch on master window switch to DOWN position. If test light illuminates, go to next step. If test light does not illuminate, go to step 6).
  4. Using test light connected to battery voltage, backprobe master window switch connector C1, terminal "H" (Purple wire). Press left rear power window switch on master window switch to UP position. If test light illuminates, go to next step. If test light does not illuminate, go to step 6).
  5. Using test light connected to ground, backprobe left rear power window switch harness connector terminal "D" (Light Green wire). Press left rear power window switch on master window switch to UP position. If test light illuminates, go to step 7). If test light does not illuminate, go to step 8).
  6. Replace master window switch. Recheck system operation.
  7. Using test light connected to ground, backprobe left rear power window switch harness connector terminal "H" (Purple wire). Press left rear power window switch on master window switch to DOWN position. If test light illuminates, go to step 9). If test light does not illuminate, go to step 10).
  8. Repair open in Dark Green wire between master window switch and left rear power window switch. Recheck system operation.
  9. Using test light connected to ground, backprobe left rear power window switch harness connector terminal "E" (Dark Blue wire). Press left rear power window switch on master window switch to UP position. If test light illuminates, go to step 11). If test light does not illuminate, go to step 13).
  10. Repair open in Purple wire between master window switch and left rear power window switch. Recheck system operation.
  11. Using test light connected to ground, backprobe left rear power window switch connector terminal "A" (Brown wire). Press left rear power window switch in master window switch to DOWN position. If test light illuminates, go to next step. If test light does not illuminate, go to step 13).
  12. Disconnect left rear power window motor connector. Connect test light between ground and left rear power window connector terminal "B" (Dark Blue wire). Press left rear power window switch in master window switch to UP position. If test light illuminates, go tostep 14). If test light does not illuminate, go to step 15).
  13. Replace left rear power window switch. Recheck system operation.
  14. Connect test light between ground and left rear power window motor connector terminal "A" (Brown wire). Press left rear power window switch in master window switch to DOWN position. If test light illuminates, go to step 16). If test light does not illuminate, go to step 17).
  15. Repair open in Dark Blue wire between left rear power window switch and left rear power window motor. Recheck system operation.
  16. Replace left rear power window motor. Recheck system operation.
  17. Repair open in Brown wire between left rear power window motor and left rear power window switch. Recheck system operation.
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