DTC B15F5: Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction [08/2019 - ]: Procedure

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

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ]

   OK

   CAN communication DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] 

Result: 

OK 

See step  2

1. Check if the air conditioning system is malfunctioning.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2018 - ]

   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.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO AIR CONDITIONING SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2018 - ] 

Result: 

OK 

See step  3

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Recheck for DTCs.

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

A 

END 

Result: 

B 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [08/2019 - ]