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DTC Check / Clear

  1. DTC CHECK/CLEAR (WHEN USING TECHSTREAM): 
    1. DTC check
      1. Connect Techstream to the DLC3.
      2. Turn the ignition switch to the ON position.
      3. Read the DTCs following the prompts on the tester screen.
    2. DTC clear
      1. Connect Techstream to the DLC3.
      2. Turn the ignition switch to the ON position.
      3. Operate Techstream to clear the codes.

        HINT:

        Refer to the Techstream operator's manual for further details.

  2. DTC CHECK/CLEAR (WHEN USING SST CHECK WIRE): 
    1. DTC check
      1. Using SST, connect terminals TC and CG of the DLC3.

        SST 09843-18040 

      2. Turn the ignition switch to the ON position.
      3. Read DTC from the ABS and VSC warning lights on the combination meter.

        HINT:

        If no code appears, inspect the TC and CG terminal circuit, and ABS and VSC warning light circuits.

        Fig 1: Identifying Terminals TC And CG Of DLC3
        G04977907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TROUBLE AREA PROCEDURE CHART

        Trouble Area See Procedure
        TC and CG terminal circuit TC AND CG TERMINAL CIRCUIT 
        ABS warning light circuit ABS WARNING LIGHT REMAINS ON  or ABS WARNING LIGHT DOES NOT COME ON 
        VSC warning light circuit VSC WARNING LIGHT REMAINS ON  or VSC WARNING LIGHT DOES NOT COME ON 
      4. As an example, the illustration below shows the blinking patterns of the normal system code and trouble codes 11 and 21.
        Fig 2: Blinking Pattern - Normal System Code
        G05194773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      5. Codes are explained in the code table (See DIAGNOSTIC TROUBLE CODE CHART  ).
      6. After completing the check, disconnect terminals TC and CG of the DLC3, and turn off the display. If 2 or more DTCs are detected at the same time, the DTCs will be displayed in ascending order.
    2. DTC clear
      1. Using SST, connect terminals TC and CG of the DLC3.

        SST 09843-18040 

      2. Turn the ignition switch to the ON position.
        Fig 3: Identifying Terminals TC And CG Of DLC3
        G04977907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.
      4. Check that the warning light indicates the normal system code.
      5. Remove the SST from the terminals of the DLC3.

        HINT:

        Clearing the DTCs cannot be performed by removing the battery cable or the ECU-IG fuse.

        Fig 4: Pressing Brake Pedal
        G04832173Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. END OF DTC CHECK/CLEAR: 
    1. Turn the ignition switch to the ON position.
    2. Check that the ABS and VSC warning lights go off within approximately 3 seconds.
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