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Home >> Toyota >> 2008 >> Highlander Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 42 (Audio System & Visual System (Hybrid)) >> Audio And Visual System >> DTC 01-DC Transmission Error >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: Be sure to read DESCRIPTION before performing the following procedures.
  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.

        Result 

        RESULT REFERENCE

        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

        HINT:

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

    B: Go to step   4

    A: Go to next step 

  2. IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE 
    1. Enter the diagnostic mode.
      Fig 1: Identifying Service Check Mode And Detailed Information Mode
      G04966653Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Press the preset switch "3" to change the mode to "Detailed Information Mode".
    3. Identify the component which has stored this code.

      Component Table: 

      COMPONENT REFERENCE

      Component Physical Address
      Stereo component amplifier 440
      "Bluetooth" handsfree module 19D
      Radio receiver 190
      Television display assembly 1B0

      HINT:

      • "P440" set by the stereo component amplifier shown in the preceding illustration as an example.
      • For details of the DTC display, refer to "DTC CHECK/ CLEAR " (See DTC CHECK / CLEAR ).
  3. CHECK COMPONENT WHICH HAS STORED THIS CODE 
    1. Select the component which has stored this code.

    Component Table: 

    COMPONENT REFERENCE

    Component Proceed to
    Stereo component amplifier Stereo component amplifier communication error (See STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR )
    "Bluetooth" handsfree module "Bluetooth" handsfree module communication error (See BLUETOOTH HANDSFREE MODULE COMMUNICATION ERROR )
    Radio receiver Radio receiver communication error (See RADIO RECEIVER COMMUNICATION ERROR )
    Television display assembly Television display assembly communication error (See TELEVISION DISPLAY POWER SOURCE CIRCUIT )

    NEXT: END 

  4. CLEAR DTC 
    1. Clear the DTCs (See DTC CHECK / CLEAR ).

      HINT:

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

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

      OK: Malfunction disappears. 

    NG: Go to step   3

    OK: END 

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