Dtc B15F6 Main Body Ecu Vehicle Information Reading/Writing Process Malfunction


DESCRIPTION

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

CHECK POWER DOOR LOCK CONTROL SYSTEM

CHECK WIRELESS DOOR LOCK CONTROL SYSTEM

CHECK LIGHTING SYSTEM (INT)

CHECK LIGHTING SYSTEM (EXT)

CHECK CUSTOMIZE ITEMS

DTC 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.
HINT:
The main body ECU (multiplex network body ECU) controls the items for the following systems that are customizable via the radio and display receiver assembly screen:
  1. Power door lock control system
  2. Wireless door lock control system (w/ Entry and Start System)
  3. Wireless door lock control system (w/o Entry and Start System)
  4. Lighting system (INT)
  5. Lighting system (EXT)

DTC Code
DTC Detection Condition
Trouble Area
B15F6
Main body ECU (multiplex network body ECU) vehicle setting processing error.
  1. CAN communication system
  2. Power door lock control system
  3. Wireless door lock control system (w/ Entry and Start System)
  4. Wireless door lock control system (w/o Entry and Start System)
  5. Lighting system (INT)
  6. Lighting system (EXT)
  7. Main body ECU (multiplex network body ECU)
  8. Radio and display receiver assembly

INSPECTION PROCEDURE

HINT:
When replacing the radio and display receiver assembly, it is necessary to perform the vehicle contract setting for Connected Services (w/ Connected Services Function).
1.CHECK CAN COMMUNICATION SYSTEM

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

    1. for LHD with Entry and Start System: LandCruiser RM000001RSO0C5X.html
    2. for LHD without Entry and Start System: LandCruiser RM000001RSO0BYX.html
    3. for RHD with Entry and Start System: LandCruiser RM000001RSO0BZX.html
    4. for RHD without Entry and Start System: LandCruiser RM000001RSO0C0X.html
    OK:
    CAN communication DTCs are not output.
    Result
    Result
    		Proceed to
    OK
    		A
    NG (for LHD with Entry and Start System)
    		B
    NG (for LHD without Entry and Start System)
    		C
    NG (for RHD with Entry and Start System)
    		D
    NG (for RHD without Entry and Start System)
    		E


B
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0C5X.html)

C
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BYX.html)

D
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BZX.html)

E
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0C0X.html)
A


2.CHECK POWER DOOR LOCK CONTROL SYSTEM

  1. Check if the power door lock control system is malfunctioning (LandCruiser RM0000011G90BEX.html).

    HINT:
    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 (LandCruiser RM0000011G90BEX.html)
OK


3.CHECK WIRELESS DOOR LOCK CONTROL SYSTEM

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

    1. w/ Entry and Start System: (LandCruiser RM000000XX2077X.html)
    2. w/o Entry and Start System: (LandCruiser RM000001WY702OX.html)
    HINT:
    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 (LandCruiser RM000000XX2077X.html)
OK


4.CHECK LIGHTING SYSTEM (INT)

  1. Check if the lighting system (INT) is malfunctioning (LandCruiser RM000000PKJ0SEX.html).

    HINT:
    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) (LandCruiser RM000000PKJ0SEX.html)
OK


5.CHECK LIGHTING SYSTEM (EXT)

  1. Check if the lighting system (EXT) is malfunctioning (LandCruiser RM000000PKJ0SFX.html).

    HINT:
    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) (LandCruiser RM000000PKJ0SFX.html)
OK


6.CHECK CUSTOMIZE ITEMS

  1. Display the "Vehicle Customization" screen.

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

    HINT:
    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 radio and display 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 radio and display receiver assembly screen (LandCruiser RM000005C7I004X.html).

    2. To match-up the items in the radio and display receiver assembly 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 radio and display receiver assembly screen.

      1. w/ Entry and start System: LandCruiser RM000005C7K004X.html
      2. w/o Entry and start System: LandCruiser RM000005C7M004X.html

    3. To match-up the items in the radio and display receiver assembly with the items on the GTS, check the customize parameters list for the lighting system (INT) related items that can be customized via the radio and display receiver assembly screen (LandCruiser RM000004DJO00UX.html).

    4. To match-up the items in the radio and display 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 radio and display receiver assembly screen (LandCruiser RM000004DJV00WX.html).

  1. Using the GTS, confirm that it is possible to change the settings of the customize parameters that are available for customization via the radio and display receiver assembly screen.

    OK:
    The items available for customization via the radio and display receiver assembly screen can be customized successfully using the GTS.


NG
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (LandCruiser RM000003WBO05FX.html)
OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)