AUDIO AND VISUAL SYSTEM, 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 position control ECU assembly cannot be customized via the audio and visual system vehicle customization screen.

Tech Tips

The position control ECU assembly controls the front power seat control system related items that are customizable via the multi-display screen.

DTC Code DTC Detection Condition Trouble Area
B15F8 Position control ECU assembly vehicle setting processing error.

  • CAN communication system

  • Front power seat control system

  • Position control ECU assembly

  • Multi-media module receiver assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


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


      OK
      CAN communication 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.


      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.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    GO TO FRONT POWER SEAT CONTROL SYSTEM Click here

    C

    GO TO FRONT POWER SEAT CONTROL SYSTEM Click here

    A

  3. CHECK CUSTOMIZE ITEMS


    1. Display the "Vehicle Customization" screen.

    2. Make a note of the customizable items for each position control ECU assembly related system.

      Tech Tips

      These items shown as customizable via the accessory meter assembly*1 or multi-display*2 vehicle customization screen can also be changed using the GTS. In a following step, the GTS will be used.


      • *1: for 12.3 Inch

      • *2: for 8 Inch


      1. Check the customize parameters list for the front power seat control system related items that can be customized via the multi-display screen.


    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 multi-display screen.

      OK
      The items available for customization via the multi-display screen can be customized successfully using the manual procedure.
      Result
      Result Proceed to
      OK A
      NG (for Luxury Seat Type) B
      NG (for Sports Seat Type) C

    B

    REPLACE POSITION CONTROL ECU ASSEMBLY Click here

    C

    REPLACE POSITION CONTROL ECU ASSEMBLY Click here

    A

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here