Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch: Description

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

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

ECU in the power window regulator motor determines that the power window regulator motor has not been initialized
The master switch has a malfunction
The Hall-IC in the driver side power window regulator motor has a malfunction.
The wiring between the master switch and the driver side power window regulator motor is open or short.