AUDIO AND VISUAL SYSTEM(for Radio and Display Type), 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 audio and visual system vehicle customization screen.

Tip:

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

  • Power door lock control system

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

  • Wireless door lock control system (w/o 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)

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

  • Lighting system (EXT)

  • Main body ECU (multiplex network body ECU)

  • Radio and display receiver assembly

PROCEDURE

  1. CHECK CAN COMMUNICATION SYSTEM

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

    Result

    Proceed to

    No DTCs are output

    CAN DTCs are output (for LHD)

    CAN DTCs are output (for RHD)
    CAN DTCs are output (for LHD)

    GO TO CAN COMMUNICATION SYSTEM

    Click here

    CAN DTCs are output (for RHD)

    GO TO CAN COMMUNICATION SYSTEM

    Click here

    No DTCs are output

  2. CHECK POWER DOOR LOCK CONTROL SYSTEM

    1. Check if the power door lock control system is functioning normally.

      Click here

      Tip:

      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 (w/ Entry and Start System)

    OK (w/o Entry and Start System)

    NG
    OK (w/o Entry and Start System)

    CHECK WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Entry and Start System)Click here

    NG

    GO TO POWER DOOR LOCK CONTROL SYSTEM

    Click here

    OK (w/ Entry and Start System)

  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

      Tip:

      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
    OK

    CHECK LIGHTING SYSTEM (EXT)Click here

    NG

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

    Click here

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

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

      Click here

      Tip:

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

      OK

      No malfunctions are present in the wireless door lock control system (w/o Entry and Start System).

    2. Proceed to the next step based on the check result.

    Result

    Proceed to

    OK

    NG
    NG

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

    Click here

    OK

  5. CHECK LIGHTING SYSTEM (EXT)

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

      Click here

      Tip:

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

    Result

    Proceed to

    No malfunctions are present in the lighting system (EXT)

    Malfunctions are present in the lighting system (EXT)
    Malfunctions are present in the lighting system (EXT)

    GO TO LIGHTING SYSTEM (EXT)

    Click here

    No malfunctions are present in the lighting system (EXT)

  6. CHECK CUSTOMIZE ITEMS

    1. Display the "Vehicle Settings" screen.

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

      Tip:

      These items shown as customizable via the audio and visual 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 display screen 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 display screen.

        Click here

      2. To match-up the items in the display screen 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 display screen.

        Click here

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

      OK

      The items available for customization via the display screen can be customized successfully using the GTS.

    Result

    Proceed to

    OK

    NG (for LHD)

    NG (for RHD)
    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click hereClick here

    NG (for LHD)

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    Click here

    NG (for RHD)

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    Click hereClick here