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

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - AUDIO / VIDEO

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.


  • HINT:
  • The Air conditioning amplifier assembly controls the air conditioning system related items that are customizable via the multi-display assembly screen.
DTC CodeDTC Detection ConditionTrouble Area
B15F5 Air conditioning amplifier assembly vehicle setting processing error.
CAN communication system
Air conditioning system
Air conditioning amplifier assembly
Multi-media module receiver assembly

INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

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

for LHD ()
for RHD ()
  • OK:
  • CAN communication DTCs are not output.
Result
ResultProceed to
OKA
NG (for LHD)B
NG (for RHD)C
B
GO TO CAN COMMUNICATION SYSTEM ()
C
GO TO CAN COMMUNICATION SYSTEM ()
A
2.CHECK AIR CONDITIONING SYSTEM

Check if the air conditioning system is malfunctioning ().

  • 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 ()
OK
3.CHECK CUSTOMIZE ITEMS

Display the "Vehicle Customization" screen.

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 intelligent tester. In the following steps, the intelligent tester will be used.

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

Using the intelligent tester, 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 intelligent tester.
NG
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY ()
OK
REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY ()