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

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Navigation Multi Info Display. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

CHECK POWER DOOR LOCK CONTROL SYSTEM

CHECK WIRELESS DOOR LOCK CONTROL SYSTEM

CHECK LIGHTING SYSTEM

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 (cowl side junction block LH) cannot be customized via the navigation system vehicle customization screen.
HINT:
The main body ECU (cowl side junction block LH) controls the items for the following systems that are customizable via the multi-display screen:
  1. Power door lock control system
  2. Wireless door lock control system
  3. Lighting system

DTC Code
DTC Detection Condition
Trouble Area
B15F6
Main body ECU (cowl side junction block LH) vehicle setting processing error.
  1. CAN communication system
  2. Power door lock control system
  3. Wireless door lock control system
  4. Lighting system
  5. Main body ECU (cowl side junction block LH)
  6. Multi-media module receiver assembly

INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

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

    1. for LHD: Click here
    2. for RHD: Click here
    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).

    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 (Click here)
OK


3.CHECK WIRELESS DOOR LOCK CONTROL SYSTEM

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

    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 (Click here)
OK


4.CHECK LIGHTING SYSTEM

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

    HINT:
    Customization may not be possible depending on the malfunction in the lighting system.
    OK:
    No malfunctions are present in the lighting system.


NG
GO TO LIGHTING SYSTEM (Click here)
OK


5.CHECK CUSTOMIZE ITEMS

  1. Display the "Vehicle Customization" screen.

  1. Make a note of the customizable items for each main body ECU (cowl side junction block LH) related system.

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

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

  1. Using the intelligent tester, 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 intelligent tester.


NG
REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)
OK

REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY (Click here)