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Front Passenger Seat Easy Access Buckle Function does not Operate [12/2017 - 10/2023]: Procedure

  1. CHECK FRONT POWER SEAT CONTROL SYSTEM 
    1. Operate the power seat switch and check that the head rest and pneumatic support function operate normally.

      Refer to OPERATION CHECK [12/2017 - 09/2019] , or refer to OPERATION CHECK [09/2019 - 10/2020] , or refer to OPERATION CHECK [10/2020 - 10/2022] , or refer to OPERATION CHECK [10/2022 - 10/2023]

      OK

      The head rest and pneumatic support function operate normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO FRONT POWER SEAT CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 10/2023] 

    Result: 

    OK 

    See step  2

  2. READ VALUE USING TECHSTREAM (FR DOOR COURTESY SW) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Main Body / Data List.
    5. Read the Data List according to the display on the Techstream.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      FR Door Courtesy SW Front door courtesy light switch RH signal OFF or ON OFF: Front door RH closed
      ON: Front door RH open
      -

      Body Electrical > Main Body > Data List 

      Tester Display
      FR Door Courtesy SW

      OK

      On the Techstream screen, ON or OFF is displayed for each item according to the table above.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO LIGHTING SYSTEM. Refer to  Door Courtesy Switch Circuit [12/2017 - 10/2023] 

    Result: 

    OK 

    See step  3

  3. INSPECT FRONT SEAT INNER BELT ASSEMBLY RH (BUCKLE MOTOR, BUCKLE SWITCH) 
    1. Remove the front seat inner belt assembly RH (buckle motor, buckle switch).

      Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020] , or refer to REMOVAL [10/2020 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023]

    2. Inspect the front seat inner belt assembly RH (buckle motor, buckle switch).

      Refer to INSPECTION [12/2017 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 POSITION CONTROL ECU ASSEMBLY. Refer to  REMOVAL [12/2017 - 09/2018]  , or refer to  REMOVAL [09/2018 - 10/2020]  , or refer to  REMOVAL [10/2020 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

    Result: 

    NG 

    REPLACE FRONT SEAT INNER BELT ASSEMBLY RH. Refer to  REMOVAL [12/2017 - 09/2018]  , or refer to  REMOVAL [09/2018 - 10/2020]  , or refer to  REMOVAL [10/2020 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]