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Home >> Lexus >> 2008 >> LX 570 >> Repair and Diagnosis (Single Page) >> 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 (See DTC CHECK / CLEAR  ).

      Result 

      DTC RESULT REFERENCE

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

    B: GO TO DTC B2311  (See DTC B2311 POWER WINDOW MOTOR MALFUNCTION  )

    C: GO TO DTC B2312  (See DTC B2312 POWER WINDOW SWITCH MALFUNCTION  )

    D: GO TO DTC B2313  (See DTC B2313 GLASS POSITION INITIALIZATION INCOMPLETE  )

    E: GO TO LIN COMMUNICATION SYSTEM  (See DIAGNOSTIC TROUBLE CODE CHART )

    A: Go to next step 

  2. CHECK MANUAL UP/DOWN FUNCTION 
    1. Check that the driver side door power window moves when the manual up/down function of the multiplex network master switch is operated (See OPERATION CHECK  ).

      OK: Driver side door power window moves. 

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

    OK: Go to next step 

  3. READ VALUE USING TECHSTREAM (MULTIPLEX NETWORK MASTER SWITCH) 
    1. Use the Data List to check if the master switch is functioning properly (See DATA LIST / ACTIVE TEST  ).

      Master Switch 

      ITEM RANGE REFERENCE

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

      OK: Techstream display changes according to operation of multiplex network master switch. 

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

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