NAVIGATION SYSTEM, Diagnostic DTC:B15F8

DTC Code DTC Name
B15F8 Driver 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 navigation 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
B15F7 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.


      Result
      Result Proceed to
      No DTCs are output A
      DTCs are output (for LHD) B
      DTCs are output (for RHD) C

    B

    GO TO CAN COMMUNICATION SYSTEM (for LHD) Click here

    C

    GO TO CAN COMMUNICATION SYSTEM (for RHD) 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 each position control ECU assembly related system.

      Tech Tips

      These items shown as customizable via the navigation system vehicle customization screen can also be changed manually. In a following step, a manual procedure will be used.


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