Dtc B15F7 Certification 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 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 cannot be customized via the navigation system vehicle customization screen.
HINT:
The certification ECU controls the entry and start system (for Entry Function) related items that are customizable via the multi-display assembly screen.

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

INSPECTION PROCEDURE

NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System (Click here).
1.CHECK CAN COMMUNICATION SYSTEM

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

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

C
GO TO CAN COMMUNICATION SYSTEM (Click here)
A


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

  1. Check if the entry and start system (for Entry Function) is malfunctioning (Click here).

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


NG
GO TO ENTRY AND START SYSTEM (for Entry Function) (Click here)
OK


3.CHECK CUSTOMIZE ITEMS

  1. Display the "Vehicle Customization" screen.

  1. Make a note of the customizable items for each certification ECU related system.

    HINT:
    These items shown as customizable via the navigation 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 related items that can be customized via the multi-display assembly screen (Click here).

  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 multi-display assembly screen.

    OK:
    The items available for customization via the multi-display assembly screen can be customized successfully using the manual procedure.


NG
REPLACE CERTIFICATION ECU
OK

REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY (Click here)