Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated): Description

WARNING: This page is about a different car, the 2006 Scion tC. However, it is still accessible from the selected car via links, so may be relevant.

If the AUTO UP operation does not fully close the power window, the cause may be one or more of the following:

The power window motor has not been reset, resulting in activation of the jam protection function.
The power window switch memory cannot recognize true fully close position and incorrectly stops the window AUTO UP operation halfway.
The jam protection function is activated at the fully closed position.
During what should be smooth window movement, too much resistance occurs and the jam protection function is activated.