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Left Front Window Does Not Operate

  1. Backprobe between Dark Blue wire and Gray wire terminals at master switch connector. While observing test light, press left window switch at master switch to up and down positions. If test light is on in both positions, go to next step. If test light is off, check for poor connection at master switch. If connection is okay, replace master switch.
  2. Backprobe between Dark Blue wire and Gray wire terminals at express down module connector, located at center of dash, above floor tunnel. While observing test light, press left window switch to UP and DOWN positions. If test light is on, go to next step. If test light is off, repair open in Dark Blue wire or Gray wire between master switch and express down module.
  3. Backprobe between Dark Blue wire and Brown wire terminals at express down module connector. While observing test light, press left window switch to UP and DOWN positions. If test light is on, go to next step. If test light is off, check for poor connection at express down module. If connection is okay, replace express down module.
  4. Disconnect left window motor connector. Connect test light between Dark Blue wire and Brown wire terminals at left window motor connector. While observing test light, press left window switch to UP and DOWN positions. If test light is on, check for poor connection at left window motor. If connection is okay, replace motor. If test light is off, repair open in Dark Blue wire or Brown wire between express down module and left window motor.
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