Dtc B15F7 Certification Ecu Vehicle Information Reading/Writing Process Malfunction


DESCRIPTION

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

CHECK ENTRY AND START SYSTEM (for Entry Function)

CHECK CUSTOMIZE ITEMS

DTC B15F7 Certification ECU Vehicle Information Reading/Writing Process Malfunction


DESCRIPTION

This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the audio and visual system vehicle customization screen.
HINT:
The certification ECU (smart key ECU assembly) controls the entry and start system (for Entry Function) related items that are customizable via the navigation receiver assembly screen.

DTC Code
DTC Detection Condition
Trouble Area
B15F7
Certification ECU (smart key ECU assembly) vehicle setting processing error.
  1. CAN communication system
  2. Entry and start system (for Entry Function)
  3. Certification ECU (smart key ECU assembly)
  4. Navigation receiver assembly

INSPECTION PROCEDURE

HINT:
When replacing the navigation 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: LandCruiser RM000001RSO0C5X.html
    2. for RHD: LandCruiser RM000001RSO0BZX.html
    OK:
    CAN communication DTCs are not output.
    Result
    Result
    		Proceed to
    OK
    		A
    NG (for LHD)
    		B
    NG (for RHD)
    		C


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

C
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000001RSO0BZX.html)
A


2.CHECK ENTRY AND START SYSTEM (for Entry Function)

  1. Check if the entry and start system (for entry function) is malfunctioning (LandCruiser RM000000XU70G9X.html).

    HINT:
    Customization may not be possible depending on the malfunction in the entry and start system (for entry function).
    OK:
    No malfunctions are present in the entry and start system (for entry function).


NG
GO TO ENTRY AND START SYSTEM (for Entry Function) (LandCruiser RM000000XU70G9X.html)
OK


3.CHECK CUSTOMIZE ITEMS

  1. Display the "Vehicle Customization" screen.

  1. Make a note of the customizable items for each certification ECU (smart key ECU assembly) related system.

    HINT:
    These items shown as customizable via the audio and visual system vehicle customization screen can also be changed manually. In a following step, a manual procedure will be used.

    1. Check the customize parameters list for the entry and start system (for entry function) related items that can be customized via the navigation receiver assembly screen (LandCruiser RM000005CJJ003X.html).

  1. Manually change and confirm that it was possible to successfully change the settings of the customize parameters for each system 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 manual procedure.


NG
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
OK

REPLACE NAVIGATION RECEIVER ASSEMBLY (LandCruiser RM000003B6H02GX.html)