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AUDIO AND VISUAL SYSTEM (for Radio Receiver Type), Diagnostic DTC:CB-43, CB-44, CB-50, CB-51, CB-7D

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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
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DESCRIPTION

DTC Code DTC Detection Condition Trouble Area
CB-43 A non-mass-storage class or USB device with an incompatible protocol is connected.

  • USB device

  • Multi-media interface ECU
CB-44 An incompatible file system or USB device with a corrupted or incompatible File Allocation Table (FAT) is connected.
CB-50 "iPod" malfunction

  • "iPod"

  • Multi-media interface ECU
CB-51 An "iPod" with unsupported firmware is connected.
CB-7D An unsupported model of "iPod" is connected.
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INSPECTION PROCEDURE

Note:

The data stored on the USB device or "iPod" may be changed or lost due to malfunctions, repairs, system errors, etc. Therefore, when repairs are to be performed, explain this to the customer and obtain their consent prior to performing repairs.

Tip:

After the inspection is completed, clear the DTCs.

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PROCEDURE


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    REPLACE USB DEVICE OR "iPod"


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

    2. Turn the ignition switch off.

      Tip:

      When one of these DTCs 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 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).


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    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.

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

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    REPLACE MULTI-MEDIA INTERFACE ECUClick here