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Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
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 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 

        FOR DTC OF OTHER COMPONENTS

        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 COMPONENT WHICH HAS STORED THIS CODE  .

    B: Go to step   4 

    A: Go to Next step 

  2. IDENTIFY COMPONENT WHICH HAS STORED THIS CODE 
    Fig 1: Identifying Display Screen - Service Check Mode (Example)
    G04953779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Enter the diagnostic mode.
    2. Press the preset switch "2" to change to "Detailed Information Mode".
    3. Identify the component which has stored this code.

    Component table 

    COMPONENT WHICH HAS STORED THIS CODE

    Component Physical address
    Stereo component amplifier 440
    Television display assembly* 1F6
    Radio receiver 190
    HINT:
    • *: w/ Rear seat entertainment system
    • "440 (Stereo component amplifier)" is the component which has stored this code.
    • 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 WHICH HAS STORED THIS CODE

    Component Proceed to
    Stereo component amplifier Stereo component amplifier communication error
    Television display assembly* Television display assembly communication error
    Radio receiver Radio receiver communication error
    HINT:
    *: w/ Rear seat entertainment system

    NEXT: END 

  4. CLEAR DTC 
    1. Clear the DTC (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 the DTC and check if the same trouble code occurs again.

      OK: Malfunction disappears. 

    NG: Go to step   3 

    OK: END