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NAVIGATION SYSTEM (for DVD), Diagnostic DTC:01-DC

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DTC Code DTC Name
01-DC Transmission Error
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DESCRIPTION

DTC No. DTC Detection Condition Trouble Area

01-DC

*1

Transmission to component shown by sub-code failed.

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

 If the same sub-code is recorded in other components, check harness for power supply and communication system of all components shown by the sub-code.
Tip:

*1: This code may be stored if the engine is started, idled for 60 seconds and then started again.

Note:

  • The navigation receiver assembly is the master unit.

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

  • Before starting troubleshooting, be sure to clear DTCs to erase codes stored due to the reason described in the HINT above. Then, check for DTCs and troubleshoot according to the output DTCs.

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INSPECTION PROCEDURE

Note:

Be sure to read DESCRIPTION before performing the following procedures.

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PROCEDURE


  1. Click here

    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.

        Tip:

        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

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    IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE


    1. A017FZME12

      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.

      Table 1. Component Table:
      Display Component
      AVN (140) Navigation receiver assembly
      CAMERA-C (1AC) Television camera ECU
      Tip:

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


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    CHECK COMPONENT WHICH HAS STORED THIS CODE


    1. Select the component which has stored this code.

      Table 2. Component Table:
      Component Proceed to
      Navigation receiver assembly (AVN)

      Navigation receiver assembly communication error (Click here)
      Television camera ECU (CAMERA-C)

      Television camera ECU communication error (Click here)

  4. Click here

    END

  5. Click here

    CLEAR DTC


    1. Clear the DTCs (Click here).

      Tip:

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


  6. Click here

    RECHECK FOR DTC


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

      OK
      Malfunction disappears.

  7. Click here

    END

  8. Click here

    CHECK COMPONENT WHICH HAS STORED THIS CODE


    1. Select the component which has stored this code.

      Table 3. Component Table:
      Component Proceed to
      Navigation receiver assembly (AVN)

      Navigation receiver assembly communication error (Click here)
      Television camera ECU (CAMERA-C)

      Television camera ECU communication error (Click here)

  9. Click here

    END