AUDIO AND VISUAL SYSTEM(w/o Multi-display), Diagnostic DTC:CB-43,CB-44,CB-50,CB-51 and CB-7D

DTC Code DTC Name
CB-43 USB Device Class/Protocol Error
CB-44 USB File System Error
CB-50 iPod Malfunction
CB-51 iPod Protocol Error
CB-7D iPod Protocol Unsupported

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

CB-43

USB Device Class/Protocol Error

A non mass-storage class or USB device with an incompatible protocol is connected.

  • USB device

  • Multi-media interface ECU

CB-44

USB File System Error

An incompatible file system or USB device with a corrupted or incompatible File Allocation Table (FAT) is connected.

  • USB device

  • Multi-media interface ECU

CB-50

iPod Malfunction

"iPod" malfunction

  • "iPod"

  • Multi-media interface ECU

CB-51

iPod Protocol Error

An "iPod" with unsupported firmware is connected.

  • "iPod"

  • Multi-media interface ECU

CB-7D

iPod Protocol Unsupported

An unsupported model of "iPod" is connected.

  • "iPod"

  • Multi-media interface ECU

CAUTION / NOTICE / HINT

Tip:

After the inspection is completed, clear the DTCs.

PROCEDURE

  1. REPLACE USB DEVICE OR "iPod"

    1. Disconnect the USB device or "iPod" from the stereo jack adapter.

    2. Turn the engine switch off.

      Tip:

      When one of these DTCs has been stored, it is necessary to turn off the engine switch to make it possible for the vehicle to recognize a new device when it is connected.

    3. Turn the engine switch on (ACC).

    4. Connect a known good USB device or "iPod" to the stereo jack adapter.

      Tip:

      • 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.

      • Refer to System Description for compatible formats and versions.

        Click here

      Result

      Result

      NEXT
    NEXT

  2. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

    2. Check for DTCs and check if the same DTC occurs again.

      Tip:

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

      OK

      Malfunction disappears.

      Result

      Result

      OK

      NG
    OK

    USB DEVICE FORMAT WAS INCOMPATIBLE, "iPod" VERSION WAS INCOMPATIBLE, OR USB DEVICE OR "iPod" WAS DEFECTIVE

    NG

    REPLACE MULTI-MEDIA INTERFACE ECU

    Click here