FixVault

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 Lexus GS 430 and 2006 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

This symptom may occur to the all door windows.

If the door glass or the power window regulator motor does not operate smoothly, the jam protection function may be triggered automatically, resulting in the AUTO UP function being unable to fully close the window.

  1. RESET POWER WINDOW REGULATOR MOTOR 
    1. Reset the applicable power window regulator motor.
    2. Check if the power window AUTO UP/DOWN function operates normally.

      OK: AUTO UP/DOWN function operates normally. 

    NG : Go to step 2 

    OK : END 

  2. CHECK DOOR WINDOW REGULATOR 
    1. Remove the applicable door glass.
    2. Operate the door window regulator using the switch.
    3. Check if the door window regulator operates smoothly.

      OK: Door window regulator operates smoothly. 

    NG : REPLACE DOOR WINDOW REGULATOR 

    OK : REPLACE DOOR GLASS RUN