NAVIGATION SYSTEM (for Built-in Memory), 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 cannot be customized via the navigation system vehicle customization screen.

Tech Tips

The front power seat switch LH controls the front power seat control system related items that are customizable via the navigation receiver assembly screen.

DTC Code DTC Detection Condition Trouble Area
B15F8 Front power seat switch LH vehicle setting processing error.

  • CAN communication system

  • Front power seat control system

  • Front power seat switch LH

  • Navigation receiver assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


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

      OK
      CAN communication system DTCs are not output.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  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 navigation 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 navigation 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 navigation receiver assembly screen.

      OK
      The items available for customization via the navigation receiver assembly screen can be customized successfully using the manual procedure.

    NG

    REPLACE FRONT POWER SEAT SWITCH LH Click here

    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here