NAVIGATION SYSTEM, Diagnostic DTC:01-DC

DTC Code DTC Name
01-DC Transmission Error

DESCRIPTION

DTC No. DTC Detection Condition Trouble Area
01-DC

Transmission to component shown by sub-code failed.

(Detecting this DTC does not always mean actual failure.)

 If the same DTC is output in other components, check harness for power supply and communication system of all components shown by code

Note


  • The multi-display is the master unit.

  • Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.

INSPECTION PROCEDURE

Note

Be sure to read Description before performing the following procedures.

PROCEDURE


  1. CHECK FOR DTC OF OTHER COMPONENTS


    1. Check if the component shown by the sub-code is displayed in the check result of the other components.


      1. Check if "01-DC" is output for the other components.

      2. If "01-DC" is output for any other components, check if the same physical address is displayed.

        Tech Tips

        For the list of the components shown by sub-codes, refer to the table in step 2.

        Result
        Result Proceed to
        "01-DC" is output and the same physical address is displayed A
        "01-DC" is not output or the same physical address is not displayed B

    B

    CLEAR DTC Click here

    A

  2. IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE


    1. A01636BE28

      Enter the diagnostic mode.

    2. Press the "LAN Mon" switch to change to "LAN Monitor" mode.

    3. Identify the component which has stored this code.

      Component Table
      Display Component
      AUDIO H/U (190) Radio receiver
      DSP-AMP (440) Stereo component amplifier
      G/W (1C6) Gateway ECU
      NAVI (178) Navigation ECU
      EMV (110) Multi-display
      CAMERA-C (1AC) Television camera ECU

      Tech Tips

      "NAVI" is the component which has stored this code in the example shown in the illustration.


    NEXT

  3. CHECK COMPONENT WHICH HAS STORED THIS CODE


    1. Select the component which has stored this code.

      Component Table
      Component Proceed to
      Gateway ECU (G/W)

      Gateway ECU communication error Click here

      Radio receiver (AUDIO H/U)

      Radio receiver communication error Click here

      Stereo component amplifier (DSP-AMP)

      Stereo component amplifier communication error Click here

      Navigation ECU (NAVI)

      Navigation ECU communication error Click here

      Multi-display (EMV)

      Multi-display communication error Click here

      Television camera ECU (CAMERA-C)

      Television camera ECU communication error Click here


    NEXT

    END

  4. CLEAR DTC


    1. Clear the DTCs Click here.

      Tech Tips

      If "01-DC" is output for only one component, this may not indicate a malfunction.


    NEXT

  5. RECHECK FOR DTC


    1. Recheck for DTCs and check if the same trouble occurs again.

      OK
      Malfunction disappears.

    NG

    CHECK COMPONENT WHICH HAS STORED THIS CODE Click here

    OK

    END

  6. CHECK COMPONENT WHICH HAS STORED THIS CODE


    1. Select the component which has stored this code.

      Component Table
      Component Proceed to
      Gateway ECU (G/W)

      Gateway ECU communication error Click here

      Radio receiver (AUDIO H/U)

      Radio receiver communication error Click here

      Stereo component amplifier (DSP-AMP)

      Stereo component amplifier communication error Click here

      Navigation ECU (NAVI)

      Navigation ECU communication error Click here

      Multi-display (EMV)

      Multi-display communication error Click here

      Television camera ECU (CAMERA-C)

      Television camera ECU communication error Click here


    NEXT

    END