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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Power Window Control System >> Jam Protection Function does not Operate >> Inspection Procedure
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Inspection Procedure

  1. PERFORM INITIALIZATION 
    1. Initialize the power window regulator motor assembly.
    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 applicable power window.

      HINT:

      The jam protection function does not operate from the fully closed position of the door glass to 4 mm (0.16 in.) below that.

      OK: Jam protection function operates normally. 

      Result: 

      JAM PROTECTION FUNCTION OPERATING RANGE

      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