NAVIGATION SYSTEM, Diagnostic DTC:B15F6

DTC Code DTC Name
B15F6 Main Body ECU Vehicle Information Reading/Writing Process Malfunction

DESCRIPTION

This DTC is stored when items controlled by the main body ECU (multiplex network body ECU) cannot be customized via the navigation system vehicle customization screen.

Tech Tips


    The main body ECU (multiplex network body ECU) controls the items for the following systems that are customizable via the multi-display screen:

  • Power door lock control system

  • Wireless door lock control system

  • Lighting system (INT)

  • Lighting system (EXT)

DTC Code DTC Detection Condition Trouble Area
B15F6 Main body ECU (multiplex network body ECU) vehicle setting processing error.

  • CAN communication system

  • Power door lock control system

  • Wireless door lock control system

  • Lighting system (INT)

  • Lighting system (EXT)

  • Main body ECU (multiplex network body ECU)

  • Multi-media module receiver assembly

INSPECTION PROCEDURE

Note

If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.

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 Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  2. CHECK POWER DOOR LOCK CONTROL SYSTEM


    1. Check if the power door lock control system is malfunctioning Click here.

      Tech Tips

      Customization may not be possible depending on the malfunction in the power door lock control system.

      OK
      No malfunctions are present in the power door lock control system.

    NG

    GO TO POWER DOOR LOCK CONTROL SYSTEM Click here

    OK

  3. CHECK WIRELESS DOOR LOCK CONTROL SYSTEM


    1. Check if the wireless door lock control system is malfunctioning Click here.

      Tech Tips

      Customization may not be possible depending on the malfunction in the wireless door lock control system.

      OK
      No malfunctions are present in the wireless door lock control system.

    NG

    GO TO WIRELESS DOOR LOCK CONTROL SYSTEM Click here

    OK

  4. CHECK LIGHTING SYSTEM (INT)


    1. Check if the lighting system (INT) is malfunctioning Click here.

      Tech Tips

      Customization may not be possible depending on the malfunction in the lighting system (INT).

      OK
      No malfunctions are present in the lighting system (INT).

    NG

    GO TO LIGHTING SYSTEM (INT) Click here

    OK

  5. CHECK LIGHTING SYSTEM (EXT)


    1. Check if the lighting system (EXT) is malfunctioning Click here.

      Tech Tips

      Customization may not be possible depending on the malfunction in the lighting system (EXT).

      OK
      No malfunctions are present in the lighting system (EXT).

    NG

    GO TO LIGHTING SYSTEM (EXT) Click here

    OK

  6. CHECK CUSTOMIZE ITEMS


    1. Display the "Vehicle Customization" screen.

    2. Make a note of the customizable items for each main body ECU (multiplex network body ECU) related system.

      Tech Tips

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


      1. To match-up the items in the multi-display with the items on the GTS, check the customize parameters list for the power door lock control system related items that can be customized via the multi-display screen Click here.

      2. To match-up the items in the multi-display with the items on the GTS, check the customize parameters list for the wireless door lock control system related items that can be customized via the multi-display screen Click here.

      3. To match-up the items in the multi-display with the items on the GTS, check the customize parameters list for the lighting system (INT) related items that can be customized via the multi-display screen Click here.

      4. To match-up the items in the multi-display with the items on the GTS, check the customize parameters list for the lighting system (EXT) related items that can be customized via the multi-display screen Click here.

    3. Using the GTS, confirm that it is possible to change the settings of the customize parameters 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 GTS.

    NG

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    OK

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here