LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> GS 350 RWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Power Window Control System >> Jam Protection Function does not Operate >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. PERFORM INITIALIZATION 
    1. Initialize the power window regulator motor assembly (applicable location) (See CUSTOMIZE PARAMETERS  ).
    2. Check if the power window AUTO UP/DOWN function operates normally.

      OK: 

      AUTO UP/DOWN function operates normally. 

    NG : END (PROBLEM DUE TO INITIALIZATION FAILURE) 

    OK : Go to Next Step 

  2. 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 CHART

      Result Proceed to
      OK A
      NG (Front LH side power window) B
      NG (Front RH side power window) C
      NG (Rear LH side power window) D
      NG (Rear RH side power window) E

    B : REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH  (See REMOVAL )

    C : REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH  (See REMOVAL )

    D : REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH  (See REMOVAL )

    E : REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH  (See REMOVAL )

    A : END