Dtc B15F5 Air Conditioner Ecu Vehicle Information Reading/Writing Processor Malfunction


DESCRIPTION

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

CHECK AIR CONDITIONING SYSTEM

CHECK CUSTOMIZE ITEMS

DTC B15F5 Air Conditioner 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 audio and visual system vehicle customization screen (for Automatic Air Conditioning System).
HINT:
The air conditioning amplifier assembly controls the air conditioning system (for Automatic Air Conditioning System) related items that are customizable via the radio and display receiver 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 (for Automatic Air Conditioning System)
  3. Air conditioning amplifier assembly
  4. 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 RM000001RSO0BYX.html)

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


2.CHECK AIR CONDITIONING SYSTEM

  1. Check if the air conditioning system (for Automatic Air Conditioning System) is malfunctioning (LandCruiser RM000002LIM07YX.html).

    HINT:
    Customization may not be possible depending on the malfunction in the air conditioning system (for Automatic Air Conditioning System).
    OK:
    No malfunctions are present in the air conditioning system (for Automatic Air Conditioning System).


NG
GO TO AIR CONDITIONING SYSTEM (LandCruiser RM000002LIM07YX.html)
OK


3.CHECK CUSTOMIZE ITEMS

  1. Display the "Vehicle Customization" screen.

  1. Make a note of the customizable items for the air conditioning system (for Automatic Air Conditioning System).

    HINT:
    These air conditioning system (for Automatic Air Conditioning System) items shown as customizable via the radio and display receiver 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 radio and display receiver assembly with the items on the GTS, check the customize parameters list for the air conditioning system (for Automatic Air Conditioning System) related items that can be customized via the radio and display receiver assembly screen (LandCruiser RM000005CJ3003X.html).

  1. Using the GTS, confirm that it is possible to change the settings of the air conditioning system (for Automatic Air Conditioning System) related customize parameters that are shown as customizable 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 AIR CONDITIONING AMPLIFIER ASSEMBLY (LandCruiser RM0000039R5028X.html)
OK

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