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 and switch assembly cannot be customized via the navigation system vehicle customization screen.

Tech Tips

The position control ECU and switch assembly controls the front power seat control system (for Driver Side) related items that are customizable via the multi-display screen.

DTC No. DTC Detection Condition Trouble Area
B15F8 Position control ECU and switch assembly vehicle setting processing error

  • CAN communication system

  • Front power seat control system (for Driver Side)

  • Position control ECU and switch assembly

  • Navigation ECU sub-assembly

INSPECTION PROCEDURE

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System Click here.

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


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

      OK
      CAN communication DTCs are not output.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  2. CHECK FRONT POWER SEAT CONTROL SYSTEM (for Driver Side)


    1. Check if the front power seat control system (for Driver Side) is malfunctioning Click here.

      Tech Tips

      Customization may not be possible depending on the malfunction in the front power seat control system (for Driver Side).

      OK
      No malfunctions are present in the front power seat control system (for Driver Side).

    NG

    GO TO FRONT POWER SEAT CONTROL SYSTEM (for Driver Side) Click here

    OK

  3. CHECK CUSTOMIZE INFORMATION


    1. Display the "Other vehicle settings" screen.

    2. Make a note of the customizable items for the front power seat control system (for Driver Side).

      Tech Tips

      These front power seat control system (for Driver Side) items shown as customizable via the multi-display vehicle customization screen can also be changed using the intelligent tester. In the following step, use the intelligent tester.


      1. To match-up the items in the multi-display with the items on the intelligent tester, check the customize parameters list for the front power seat control system (for Driver Side) related items that can be customized via the multi-display screen Click here.

    3. Using the intelligent tester, confirm that it is possible to change the settings of the front power seat control system (for Driver Side) related customize parameters that are shown as customizable via the multi-display screen.

      OK
      The items available for customization via the multi-display screen can be customized successfully using the intelligent tester.

    NG

    REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY Click here

    OK

    REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here