Test 2: Left Front Window Is Inoperative
- Turn ignition switch to RUN position. Using a test light, backprobe between master switch assembly connector C2 Brown wire and Dark Blue wire terminals. While observing test light, press left front window switch on master switch assembly to UP and DOWN positions. If test light illuminates in both positions, go to next step. If test light does not illuminate in both positions, check master switch assembly connector for poor terminal contact. If terminal contact is okay, replace master switch assembly. Recheck system.
- Disconnect left window motor connector. Connect test light between left window motor connector Dark Blue wire and Brown wire terminals. While observing test light, press left front window switch on master switch assembly to UP and DOWN positions. If test light illuminates in both positions, go to next step. If test light does not illuminate in both positions, repair open in Brown wire or Dark Blue wire between master switch assembly and left front power window motor. See WIRING DIAGRAMS . Recheck system.
- Check left front window motor connector for poor terminal contact. If terminal contact is okay, replace left front window motor. Recheck system.