Dtc B15F5 A/C Ecu Vehicle Information Reading/Writing Processor 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 AIR CONDITIONING SYSTEM

CHECK CUSTOMIZE ITEMS

DTC B15F5 A/C ECU Vehicle Information Reading/Writing Processor Malfunction


DESCRIPTION

This DTC is stored when items controlled by the air conditioning amplifier assembly cannot be customized via the navigation system vehicle customization screen.
HINT:
The air conditioning amplifier assembly controls the air conditioning system related items that are customizable via the multi-display assembly screen.

DTC Code
DTC Detection Condition
Trouble Area
B15F5
Air conditioning amplifier assembly vehicle setting processing error.
  1. CAN communication system
  2. Air conditioning system
  3. Air conditioning amplifier assembly
  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 AIR CONDITIONING SYSTEM

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

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


NG
GO TO AIR CONDITIONING SYSTEM (Click here)
OK


3.CHECK CUSTOMIZE ITEMS

  1. Display the "Vehicle Customization" screen.

  1. Make a note of the customizable items for the air conditioning system.

    HINT:
    These air conditioning system items shown as customizable via the multi-display assembly vehicle customization screen can also be changed using the GTS. In the following steps, the GTS will be used.

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

  1. Using the GTS, confirm that it is possible to change the settings of the air conditioning system related customize parameters that are shown as customizable via the multi-display assembly screen.

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


NG
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY (Click here)
OK

REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY (Click here)