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Test 4: Left Rear Window Is Inoperative

  1. Using a DVOM, backprobe between left rear window switch connector terminals "A" (Brown wire) and "E" (Dark Blue wire). See Figure . Press left rear window switch at master window switch assembly to UP and DOWN position. If 10-15 volts does not exist in both switch positions, go to next step. If 10-15 volts exists in both switch positions, go to step  7 .
  2. Using a DVOM, backprobe between left rear window switch connector terminals "F" (Dark Blue wire) and "D" (Dark Green wire). Backprobe between left rear switch connector terminals "F" (Dark Blue wire) and "H" (Purple wire). If 10-15 volts does not exist between both sets of terminals, go to next step. If 10-15 volts exists between both sets of terminals, go to step  4 .
  3. Using a DVOM, backprobe between master window switch assembly connector C1 terminals "C" (Dark Green wire) and "H" (Purple wire). Press left rear window switch on master window switch assembly to UP and DOWN positions. If 10-15 volts exists in both switch positions, go to step  5 . If 10-15 volts does not exist in both switch positions, go to step  6 .
  4. Check left rear window switch connector. Clean and repair as necessary. If no problem is found, replace left rear window switch. Recheck system.
  5. Repair open in Dark Green wire or Purple wire between left rear window switch and master window switch assembly. See WIRING DIAGRAMS  . Recheck system.
  6. Check master window switch assembly connector. Clean and repair as necessary. If no problem is found, replace master window switch assembly . Recheck system.
  7. Using a DVOM, backprobe between left rear window motor connector Brown wire and Dark Blue wire terminals. Press left rear window switch to UP and DOWN positions. If 10-15 volts exists in both switch positions, go to next step. If 10-15 volts does not exist in both switch positions, go to step  9 .
  8. Check left rear window motor connector. Clean and repair as necessary. If no problem is found, replace left rear window motor. Recheck system.
  9. Repair open or short to ground in Dark Blue wire or Brown wire between left rear window switch and motor. See WIRING DIAGRAMS  . Recheck system.
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