NAVIGATION SYSTEM(for Radio and Display Type), Diagnostic DTC:B15F8

DTC Code DTC Name
B15F8 D-Seat ECU Vehicle Information Reading/Writing Process Malfunction

DESCRIPTION


This DTC is stored when items controlled by the front power seat switch LH*1 or front power seat switch RH*2 cannot be customized via the navigation system vehicle customization screen.

Tech Tips

The front power seat switch LH*1 or front power seat switch RH*2 controls the front power seat control system related items that are customizable via the radio and display receiver assembly screen.

DTC Code DTC Detection Condition Trouble Area
B15F8 Front power seat switch LH*1 or front power seat switch RH*2 vehicle setting processing error.

  • CAN communication system

  • Front power seat control system

  • Front power seat switch LH*1

  • Front power seat switch RH*2

  • Radio and display receiver assembly

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Use the GTS to check if the CAN communication system is functioning normally.


      OK
      CAN communication system DTCs are not output.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  2. CHECK FRONT POWER SEAT CONTROL SYSTEM


    1. Check if the front power seat control system is malfunctioning Click here.

      Tech Tips

      Customization may not be possible depending on the malfunction in the front power seat control system.

      OK
      No malfunctions are present in the front power seat control system.

    NG

    GO TO FRONT POWER SEAT CONTROL SYSTEM Click here

    OK

  3. CHECK CUSTOMIZE ITEMS


    1. Display the "Vehicle Customization" screen.

    2. Make a note of the customizable items for front power seat switch LH related system.

      Tech Tips

      These items shown as customizable via the radio and display receiver assembly vehicle customization screen can also be changed using the GTS. In a following step, the GTS will be used.


      1. Check the customize parameters list for the front power seat control system related items that can be customized via the radio and display receiver assembly screen Click here.

    3. Manually change and confirm that it was possible to successfully change the settings of the customize parameters for each system that are available for customization via the radio and display receiver assembly screen.

      OK
      The items available for customization via the radio and display receiver assembly screen can be customized successfully using the manual procedure.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    B

    REPLACE FRONT POWER SEAT SWITCH LH Click here

    C

    REPLACE FRONT POWER SEAT SWITCH RH Click here