NAVIGATION SYSTEM (for HDD), Diagnostic DTC:B15DF

DTC Code DTC Name
B15DF USB Communication Malfunction

DESCRIPTION

This DTC is stored when a malfunction occurs in communication with USB device or "iPod".

DTC No. DTC Detection Condition Trouble Area
B15DF

When one of the conditions below is met:


  • Communication error with USB device

  • "iPod" control software of system microprocessor malfunction

  • Communication error with "iPod"

  • USB device or "iPod"

  • Connection cable

  • Multi-media interface ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CONNECTION METHOD


    1. Check the method used to connect the USB device or "iPod" to the No. 1 stereo jack adapter assembly.

      Result
      Result Proceed to
      USB device or "iPod" is connected using a connection cable. A
      USB device is directly connected. B

    B

    REPLACE "iPod"OR USB DEVICE Click here

    A

  2. REPLACE CONNECTION CABLE


    1. Disconnect the USB device or "iPod" and connection cable from the No. 1 stereo jack adapter assembly.

    2. Turn the ignition switch off.

      Tech Tips

      When DTC has been stored, it is necessary to turn off the ignition switch to make it possible for the vehicle to recognize a new device when it is connected.

    3. Turn the ignition switch to ACC.

    4. Connect a known good connection cable to the No. 1 stereo jack adapter assembly and connect the USB device or "iPod" to the connection cable.


    NEXT

  3. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  4. CHECK DTC


    1. Recheck for DTCs and check if the same DTC is output again.

      Tech Tips

      If DTCs are detected frequently, replace the multi-media interface ECU.

      OK
      No DTCs are output.

    NG

    REPLACE "iPod"OR USB DEVICE Click here

    OK

    END (CONNECTION CABLE WAS DEFECTIVE)

  5. REPLACE "iPod"OR USB DEVICE


    1. Disconnect the USB device or "iPod" from the No. 1 stereo jack adapter assembly.

    2. Turn the ignition switch off.

      Tech Tips

      When DTC has been stored, it is necessary to turn off the ignition switch to make it possible for the vehicle to recognize a new device when it is connected.

    3. Turn the ignition switch to ACC.

    4. Connect a known good USB device or "iPod" to the No. 1 stereo jack adapter assembly.

      Tech Tips

      If the malfunction occurred when a USB device was in use, use another USB device for the inspection. If the malfunction occurred when an "iPod" was in use, use another "iPod" for the inspection.


    NEXT

  6. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  7. RECHECK DTC


    1. Recheck for DTCs and check if the same DTC is output again.

      Tech Tips

      If DTCs are detected frequently, replace the multi-media interface ECU.

      OK
      No DTCs are output.

    NG

    REPLACE MULTI-MEDIA INTERFACE ECU Click here

    OK

    USB DEVICE OR "iPod" WAS DEFECTIVE