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Inspection Procedure

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: Detailed Information Mode And Service Check Mode - Communication Diagram
      G05828130Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Press the preset switch "3" to change to "Detailed Information Mode".
    3. Identify the component which has stored this code.

    Component Table: 

    COMPONENT REFERENCE

    Component Physical address
    Gateway ECU 1C6
    Stereo component amplifier 440
    Integration control & panel assembly 1D8
    Radio receiver 190

    HINT:

    • "440 (stereo component amplifier)" is the component which has stored this code in the example shown in the illustration.
    • For details of the DTC display, refer to 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
    Gateway ECU Gateway ECU communication error (See GATEWAY ECU COMMUNICATION ERROR )
    Stereo component amplifier Stereo component amplifier communication error (See STEREO COMPONENT AMPLIFIER COMMUNICATION ERROR )
    Integration control & panel assembly Integration control & panel assembly communication error (See INTEGRATION CONTROL AND PANEL ASSEMBLY COMMUNICATION ERROR )
    Radio receiver Radio receiver communication error (See RADIO RECEIVER COMMUNICATION ERROR )

    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 code occurs again.

      OK: 

      Malfunction disappears. 

    NG: Go to step   3 

    OK: END 

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