Door Multiplex Control Unit Input
Turn ignition off. Remove driver's door trim panel. See DOOR PANEL under REMOVAL & INSTALLATION. Disconnect door multiplex control unit connector. Inspect connector and terminals. Check for bent, loose or corroded terminals. Repair connector terminals as necessary and retest system. Perform door multiplex control unit input tests. See Fig 1 . Repair as necessary and recheck system operation. If input tests are okay, replace power window master switch (door multiplex control unit).