NAVIGATION SYSTEM(for Sedan), 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 navigation system vehicle customization screen.

Tip:

The air conditioning amplifier assembly controls the air conditioning system related items that are customizable via the navigation system vehicle customization screen.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15F5

Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction

Air conditioning amplifier assembly vehicle setting processing error

  • CAN communication system

  • Air conditioning system

  • Air conditioning amplifier assembly

  • Radio and display receiver assembly

PROCEDURE

  1. CHECK CAN COMMUNICATION SYSTEM

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

      Click here

      OK

      CAN communication DTCs are not output.

    Result

    Proceed to

    OK

    NG
    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

      Tip:

      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
    NG

    GO TO AIR CONDITIONING SYSTEM

    Click here

    OK

  3. CHECK CUSTOMIZE ITEMS

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

      Tip:

      The items shown as customizable via the navigation system vehicle customization screen can also be changed using the GTS. In the following step, the GTS will be used.

      1. To match-up the items on the navigation system vehicle customization screen with the items on the GTS, check the customize parameters list for the air conditioning system related items that can be customized via the navigation system vehicle customization screen.

        Click here

    2. Using the GTS, confirm that it is possible to change the settings of the customize parameters that are available for customization via the navigation system vehicle customization screen.

      OK

      The items available for customization via the navigation system vehicle customization screen can be customized successfully using the GTS.

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click here

    NG

    REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY

    Click here