Circuit Description

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

If the AUTO UP/DOWN function does not operate, any of the following troubles may be the cause:

When the PWR fuse or the power window relay (Marking: PWR) is replaced with new ones, or when the battery terminal and the connector of the power window master switch are disconnected, the power window memory of the fully closed position which is recorded in the power window master switch is erased.
The pulse sensors in the driver side power window motor have a malfunction.
There is an open or short circuit in the wiring between the power window master switch and the driver side power window motor.
The power window master switch has a malfunction.