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 front power seat switch cannot be customized via the navigation system vehicle customization screen.

Tech Tips

The front power seat switch controls the front power seat control system (w/ Memory) related items that are customizable via the multi-display screen.

DTC No. DTC Detection Condition Trouble Area
B15F8 Front power seat switch vehicle setting processing error.

  • CAN communication system

  • Front power seat control system (w/ Memory)

  • Front power seat switch LH*1

  • Front power seat switch RH*2

  • Multi-media module receiver assembly

INSPECTION PROCEDURE

Note


    w/ G-BOOK System:

  • When replacing the multi-media module receiver assembly or telematics transceiver, perform vehicle contract setting (w/ Telematics Transceiver) Click here.

  • When replacing the multi-media module receiver assembly, perform vehicle contract setting (w/o Telematics Transceiver) 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 (w/ Memory)


    1. Check if the front power seat control system (w/ Memory) is malfunctioning Click here.

      Tech Tips

      Customization may not be possible depending on the malfunction in the front power seat control system (w/ Memory).

      OK
      No malfunctions are present in the front power seat control system (w/ Memory).

    NG

    GO TO FRONT POWER SEAT CONTROL SYSTEM (w/ Memory) 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 (w/ Memory).

      Tech Tips

      These front power seat control system (w/ Memory) 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 on the multi-display with the items on the intelligent tester, check the customize parameters list for the front power seat control system (w/ Memory) 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 (w/ Memory) 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.

    4. Proceed to the next step based on the inspection result.

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

    B

    REPLACE FRONT POWER SEAT SWITCH LH Click here

    C

    REPLACE FRONT POWER SEAT SWITCH RH Click here

    A

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here