NAVIGATION SYSTEM(for SD), 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 navigation receiver assembly screen:


  • Power door lock control system

  • Wireless door lock control system (w/ Entry and Start System)

  • Lighting system (EXT)

DTC No. Detection Item DTC Detection Condition Trouble Area
B15F6 Main Body ECU Vehicle Information Reading/Writing Process Malfunction Main body ECU (multiplex network body ECU) vehicle setting processing error.

  • CAN communication system

  • Power door lock control system

  • Wireless door lock control system (w/ Entry and Start System)

  • Lighting system (EXT)

  • Main body ECU (multiplex network body ECU)

  • Navigation receiver assembly

CAUTION / NOTICE / HINT

Note


  • Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

    Click here

  • When replacing the main body ECU (multiplex network body ECU), make sure to replace it with a new one.

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 DTCs are not output.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  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.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO POWER DOOR LOCK CONTROL SYSTEM Click here

    OK

  3. CHECK WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Entry and Start System)


    1. Check if the wireless door lock control system (w/ Entry and Start System) is malfunctioning.

      Click here

      Tech Tips

      Customization may not be possible depending on the malfunction in the wireless door lock control system (w/ Entry and Start System).

      OK
      No malfunctions are present in the wireless door lock control system (w/ Entry and Start System).
      Result
      Proceed to
      OK
      NG

    NG

    GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Entry and Start System) Click here

    OK

  4. 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).
      Result
      Proceed to
      OK
      NG

    NG

    GO TO LIGHTING SYSTEM (EXT) Click here

    OK

  5. 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 receiver assembly 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 navigation receiver assembly 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 navigation receiver assembly screen.

        Click here

      2. To match-up the items in the navigation receiver assembly with the items on the GTS, check the customize parameters list for the wireless door lock control system (w/ Entry and Start System) related items that can be customized via the navigation receiver assembly screen.

        Click here

      3. To match-up the items in the navigation receiver assembly with the items on the GTS, check the customize parameters list for the lighting system (EXT) related items that can be customized via the navigation receiver assembly 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 navigation receiver assembly screen.

      OK
      The items available for customization via the navigation receiver assembly screen can be customized successfully using the GTS.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    NG

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