Circuit Description

WARNING: This page is about a different car, the 2005 Lexus RX 330. 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 conditions may be the cause:

The power window memory of the fully closed position recorded in the power window regulator master switch was erased when the battery terminal or connector of the power window regulator master switch was disconnected.
The pulse sensor in the power window regulator motor has a malfunction.
There is an open or short circuit in the wiring between the power window master switch and the corresponding power window regulator motor.
The power window master switch has a malfunction.