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 2012 Lexus LS 460. 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 have a malfunction.
- The wiring between the master switch and the driver side power window regulator motor is open or short.