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Home >> Lexus >> 2009 >> LS 460 RWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Power Window Control System >> Driver Side Power Window Auto Up/Down Function does not Operate with Power Window Master Switch >> Inspection Procedure
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Inspection Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs.

      Result: 

      RESULT REFERENCE CHART

      Result Proceed to
      DTC is not output A
      B2311 is output B
      B2312 is output C
      B2313 is output D
      LIN communication system DTC output reoccur E

      B:  GO TO DTC B2311 

      C:  GO TO DTC B2312 

      D:  GO TO DTC B2313 

      E: GO TO LIN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

      A: Go to Next Step 

  2. CHECK MANUAL UP/DOWN FUNCTION 
    1. Check that the manual UP/DOWN function using the multiplex network master switch can operate the driver door power window.

      OK: 

      Manual UP/DOWN function operates normally. 

      NG: OTHER PROBLEM (See  DRIVER SIDE POWER WINDOW DOES NOT OPERATE WITH POWER WINDOW MASTER SWITCH   ) 

      OK: Go to Next Step 

  3. READ VALUE USING TECHSTREAM 
    1. Use the Data List to check if the master switch is functioning properly.

      Master Switch: 

      DATA LIST REFERENCE CHART

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      D Door P/W Auto SW Driver side power window auto UP/DOWN switch signal/ON or OFF ON: Driver side power window auto UP/DOWN switch on master switch operated
      OFF: Driver side power window switch on master switch not operated
      -

      OK: 

      Techstream display changes normally when master switch is operated. 

      NG: REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (See  REMOVAL   ) 

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