AUDIO AND VISUAL SYSTEM (w/ Multi-display), Diagnostic DTC:B15F8

DTC Code DTC Name
B15F8 D-Seat ECU Vehicle Information Reading/Writing Process Malfunction

DESCRIPTION

This DTC is stored when items controlled by the front power seat switch LH cannot be customized via the audio and visual system vehicle customization screen.

Tech Tips

The front power seat switch LH controls the front power seat control system (w/ Memory) related items that are customizable via the multi-display screen.

DTC No. DTC Detection Condition Trouble Area
B15F8 Front power seat switch LH vehicle setting processing error.

  • CAN communication system

  • Front power seat control system (w/ Memory)

  • Front power seat switch LH

  • 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 FRONT POWER SEAT CONTROL SYSTEM (w/ Memory)


    1. Check if the front power seat control system (w/ Memory) is malfunctioning Click here.

      Tech Tips

      Customization may not be possible depending on the malfunction in the front power seat control system (w/ Memory).

      OK
      No malfunctions are present in the front power seat control system (w/ Memory).

    NG

    GO TO FRONT POWER SEAT CONTROL SYSTEM (w/ Memory) Click here

    OK

  3. CHECK CUSTOMIZE INFORMATION


    1. Display the "Vehicle Customization" screen.

    2. Make a note of the customizable items for each front power seat switch LH.

      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 front power seat control system (w/ Memory) 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 FRONT POWER SEAT SWITCH LH Click here

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here