Driver Side Power Window Auto Down Function does not Operate: Description

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

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

The power window regulator master switch has a malfunction.
The front power window regulator motor LH (for driver side) has a malfunction.
The wiring between the power window regulator master switch and the front power window regulator motor LH (for driver side) is open or shorted.