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Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Be sure to read CIRCUIT 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.

      HINT:

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

      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

    B: Go to step   4 

    A: GO TO NEXT STEP. 

  2. IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE 
    1. 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.
      Fig 1: Pressing "LAN MON" Switch To Change To "LAN MONITOR" Mode
      G04337825Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Component Table: 

    COMPONENT TABLE

    Display Component
    Rr-TV (1B0) Television display assembly
    DSP-AMP (440) Stereo component amplifier
    AVN (140) Radio and navigation assembly

    HINT:

    "NAVI" is the component which has stored this code in the example shown in Fig 1.

  3. CHECK COMPONENT WHICH HAS STORED THIS CODE 
    1. Select the component which has stored this code.

    Component Table: 

    COMPONENT TABLE

    Component Proceed to
    Radio and navigation assembly (AVN) Radio and navigation assembly communication error (See RADIO AND NAVIGATION ASSEMBLY COMMUNICATION ERROR  )
    Television display assembly (Rr-TV) Television display assembly communication error (See TELEVISION DISPLAY ASSEMBLY COMMUNICATION ERROR  )
    Stereo component amplifier (DSP-AMP) Stereo component amplifier communication error (See STEREO COMPONENT AMPLIFIER 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 occurs again.

      OK: 

      Malfunction disappears. 

    NG: Go to step   3 

    OK: END 

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