AUDIO AND VISUAL SYSTEM (w/ Multi-display), Diagnostic DTC:B15F5

DTC Code DTC Name
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.

Tech Tips

The air conditioning amplifier assembly controls the air conditioning system related items that are customizable via the multi-display screen.

DTC No. DTC Detection Condition Trouble Area
B15F5 Air conditioning amplifier assembly vehicle setting processing error.

  • CAN communication system

  • Air conditioning system

  • Air conditioning amplifier assembly

  • Radio receiver assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


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

      OK
      CAN communication DTCs are not output.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  2. CHECK AIR CONDITIONING SYSTEM


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

      Tech Tips

      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.

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

      Tech Tips

      The items shown as customizable via the audio and visual system vehicle customization screen can also be changed using the intelligent tester. In the following step, the intelligent tester will be used.


      1. To match-up the items on the multi-display 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 screen Click here.

    3. Using the intelligent tester, confirm that it is possible to change the settings of the customize parameters that are available for customization via the multi-display screen.

      OK
      The items available for customization via the multi-display screen can be customized successfully using the intelligent tester.

    NG

    REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Click here

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here