AUDIO AND VISUAL 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 sub-code is stored in other components, check power source circuit and communication system of all components shown by sub-code

Tech Tips

This DTC may be stored if the engine is started, idled for 60 seconds and then the engine switch is turned to START again.

Note


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

  • The radio receiver assembly is the master unit.

  • Be sure to clear and recheck for 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 procedure.

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 DTC 01-DC is output for the other components.

        Tech Tips

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

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

        Tech Tips

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


    B

    CLEAR DTC Click here

    A

  2. IDENTIFY COMPONENT WHICH HAS STORED THIS CODE


    1. Enter diagnostic mode.

      A01CAOVE14

    2. Press preset switch "2" to change the mode to "Detailed Information Mode".

    3. Identify the component which has stored this code.

      Component Table
      Component Physical Address
      Radio receiver assembly 190
      Television display assembly 1B0

      Tech Tips


      • The physical address "P440" shown in the above example indicates the stereo component amplifier.

      • For details on DTCs and how to display/clear them, refer to DTC Check/Clear Click here.


    NEXT

  3. CHECK COMPONENT WHICH HAS STORED THIS CODE


    1. Select the component which has stored this code.

      Component Table
      Component Proceed to
      Radio receiver assembly

      Radio receiver communication error Click here

      Television display assembly

      Television display assembly communication error Click here


    NEXT

    END

  4. CLEAR DTC


    1. Clear the DTCs Click here.

      Tech Tips

      If DTC 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 DTC is output again.

      OK
      No DTCs are output.

    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
      Radio receiver assembly

      Radio receiver communication error Click here

      Television display assembly

      Television display assembly communication error Click here


    NEXT

    END