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

If the auto up/down function does not operate, the cause may be one or more of the following:

• The 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.
• There is an open or short in the wiring between the master switch and the driver side power window regulator motor.