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 only in the driver side window.

CAUTION / NOTICE / HINT

Note


  • The power window control system uses a 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 power window regulator motor assembly LH or RH (driver side) 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 resumed by repeating the following operations at least 5 times:


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

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

PROCEDURE


  1. PERFORM INITIALIZATION (DRIVER SIDE)


    1. Initialize the power window regulator motor assembly LH or RH (driver side) Click here.


    NEXT

  2. CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION (DRIVER SIDE))


    1. Check that the driver side power window move when the auto up and down function of the power window regulator master switch assembly and are operated Click here.

      OK
      Auto up and down function is normal (driver side).

    OK

    END (PROBLEM DUE TO INITIALIZATION FAILURE)

    NG

  3. CHECK WINDOW GLASS SLIDING MOVEMENT (DRIVER SIDE)


    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.

      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.


    OK

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH OR RH (DRIVER SIDE) Click here

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