Circuit Description

If the AUTO UP/DOWN function does not operate, the cause may be one or more of the following:

• The recorded power window fully closed position, which is stored in the power window regulator master switch, was erased as a result of: 1) the POWER fuse or the power window relay (PWR) being replaced; or 2) the battery cable and the master switch assembly's connector being disconnected.
• The master switch assembly has a malfunction.
• The pulse sensors in the driver side power window regulator motor have a malfunction.
• The wiring between the master switch assembly and the driver side power window regulator motor is open or short circulated.