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Jam Protection Function does not Operate [04/2013 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2024 Lexus IS 500, 2024 Lexus IS 350, 2024 Lexus IS 300, 2023 Lexus IS 500, and 2023 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM INITIALIZATION (APPLICABLE LOCATION) 
    1. Initialize the power window regulator motor assembly (applicable location).

      Refer to INITIALIZATION [04/2013 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP / DOWN FUNCTION) 
    1. Check if the power window auto up and down function operates normally.

      Refer to OPERATION CHECK [04/2013 - ]

      OK

      Auto up and down function is normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table). Refer to  PROBLEM SYMPTOMS TABLE [04/2013 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK JAM PROTECTION FUNCTION OPERATING RANGE 
    1. Check if the jam protection function operates normally for the applicable power window.

      HINT: 

      The jam protection function will not operate within 4 mm (0.157 in.) of the fully closed position.

      OK

      Jam protection function operates normally.

      Result

      Result Proceed to
      OK A
      NG (Driver door power window) B
      NG (Front passenger door power window)
      NG (Rear LH door power window) C
      NG (Rear RH door power window)

    Result: 

    A 

    END (PROBLEM DUE TO INITIALIZATION FAILURE) 

    Result: 

    B 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR OR FRONT PASSENGER DOOR). Refer to  REMOVAL [04/2013 - ] 

    Result: 

    C 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR OR REAR RH DOOR). Refer to  REMOVAL [04/2013 - ]