POWER WINDOW CONTROL SYSTEM Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated)

DESCRIPTION

If a door glass or a power window regulator motor assembly 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.

Tech Tips

This symptom may occur for any of the windows.

INSPECTION PROCEDURE

Note


  • The power window control system uses a multiplex communication system (LIN communication system). Inspect the communication function by following How to Proceed with Troubleshooting Click here. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

  • When the window regulator assembly is reinstalled or replaced, the power window control system must be initialized.

  • After a door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used. In such cases, the auto up function can be reinitialized by repeating the following operation at least 5 times:


    1. Close the power window by fully pulling up the power window regulator master switch assembly or power window regulator switch assembly and holding it at the auto up position.

    2. Open the power window by fully pushing down the power window regulator master switch assembly or power window regulator switch assembly.

PROCEDURE


  1. PERFORM INITIALIZATION (APPLICABLE LOCATION)


    1. Initialize the power window regulator motor assembly (applicable location) Click here.


    NEXT

  2. CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION (APPLICABLE LOCATION))


    1. Check that all door power windows move when the auto up/down function of the power window regulator master switch assembly and power window regulator switch assembly (for front passenger, rear LH and rear RH sides) is operated Click here.

      OK
      Auto up/down function is normal (applicable location).

    NG

    CHECK WINDOW GLASS SLIDING MOVEMENT (APPLICABLE LOCATION) Click here

    OK

    END (PROBLEM DUE TO INITIALIZATION FAILURE)

  3. CHECK WINDOW GLASS SLIDING MOVEMENT (APPLICABLE LOCATION)


    1. Remove the window regulator.

    2. Install the window glass onto the door glass run.

    3. Check if the door window regulator operates smoothly.

    4. Check that the window glass slides smoothly when sliding it up by hand.

      OK
      Door window glass slides smoothly.
      Result
      Result Proceed to
      NG A
      OK (Driver side power window) B
      OK (Front passenger side power window) C
      OK (Rear LH side power window) D
      OK (Rear RH side power window) E

      Tech Tips

      Ensure the following:


      • The window glass fits with the glass run without improper contact or deformation.

      • Foreign objects are not caught in the glass run.

      CAUTION:

      Perform initialization again.


    B

    REPLACE FRONT DOOR WINDOW REGULATOR ASSEMBLY (for Driver Side) Click here

    C

    REPLACE FRONT DOOR WINDOW REGULATOR ASSEMBLY (for Front Passenger Side) Click here

    D

    REPLACE REAR DOOR WINDOW REGULATOR ASSEMBLY (for LH Side) Click here

    E

    REPLACE REAR DOOR WINDOW REGULATOR ASSEMBLY (for RH Side) Click here

    A

    FIT WINDOW GLASS CORRECTLY (REMOVE FOREIGN OBJECTS CAUSING IMPROPER FIT OR REPLACE PARTS)