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Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH [10/2015 - ]: Procedure

  1. READ VALUE USING TECHSTREAM (RL DOOR P/W AUTO SW) 
    1. Use the Data List to check if the rear power window regulator switch is functioning properly (Refer to DATA LIST / ACTIVE TEST [10/2015 - ] ).
      RL-DOOR MOTOR

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

      OK

      On Techstream screen, item changes between ON and OFF according to above chart.

    Result: 

    NG 

    See step  3

    Result: 

    OK 

    See step  2

  2. PERFORM INITIALIZATION 
    1. Initialize the power window regulator motor assembly (Refer to INITIALIZATION [10/2015 - ] ).
    2. Check that the rear LH side door power window moves when the auto up and down functions of the rear power window regulator switch assembly LH are operated (Refer to OPERATION CHECK [10/2015 - ] ).

      OK

      Rear LH side auto up and down functions are normal.

    Result: 

    OK 

    END (POWER WINDOW CONTROL SYSTEM HAS NOT BEEN INITIALIZED) 

    Result: 

    NG 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 

    (Refer to REMOVAL [10/2015 - ] )

  3. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 
    1. Remove the rear power window regulator switch LH (Refer to REMOVAL [09/2014 - ] ).
      GTY522743Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      4 (AUTO) - 5 (GND) Auto up/down operation Below 1 Ω
      4 (AUTO) - 5 (GND) Not operated 10 kΩ or higher

    Result: 

    NG 

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 

    (Refer to REMOVAL [09/2014 - ] )

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH LH - REAR POWER WINDOW MOTOR REGULATOR LH AND BODY GROUND) 
    1. Disconnect the R14 rear power window regulator switch LH connector.
    2. Disconnect the R9 rear power window regulator motor LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R14-4 (AUTO) - R9-4 (AUTO) Always Below 1 Ω
      R14-5 (GND) - Body ground Always Below 1 Ω
      R14-4 (AUTO) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 

    (Refer to REMOVAL [10/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR