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DTC Check / Clear

  1. DTC CHECK/CLEAR (TECHSTREAM) 
    1. Check the DTC.
      1. Connect Techstream to the DLC3.
      2. Turn the power switch on (IG).
      3. Read the DTCs following the prompts on the tester screen.
    2. Clear the DTC.
      1. Connect Techstream to the DLC3.
      2. Turn the power switch on (IG).
      3. Operate Techstream to clear the codes.

      HINT:

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

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

        SST 09843-18040 

      2. Turn the power switch on (IG).
      3. Observe the blinking pattern of the ABS warning and brake control warning lights and read the multi information display in order to identify the DTC.
        Fig 1: Identifying DLC3 Connector Terminal
        G04977907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT:

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

        WARNING LIGHTS TROUBLESHOOTING REFERENCE

        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 
        Brake control warning light circuit BRAKE CONTROL WARNING LIGHT REMAINS ON  or BRAKE CONTROL WARNING LIGHT DOES NOT COME ON 
        VSC warning light (multi information display) 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, and display of the normal system code and trouble code 43 on the multi information display.
        Fig 2: Blinking Pattern Of Trouble Code
        G05619138Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT:

        Illustrations may differ from the actual screen displayed depending on the specifications of the vehicle and customized settings.

      5. The 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. Clear the DTC.
      1. Using SST, connect terminals TC and CG of the DLC3.

        SST 09843-18040 

        Fig 3: Identifying DLC3 Connector Terminal
        G04977907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Turn the power switch on (IG).
      3. Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.
        4. Fig 4: View Of Brake Pedal Operation
        G04832173Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Check that the warning light or multi information display indicates the normal system code.
      5. Remove the SST from the terminals of the DLC3.

      HINT:

      Clearing the DTCs cannot be performed by disconnecting the battery terminal or the ECU-IG NO. 2 fuse.

  3. END OF DTC CHECK/CLEAR 
    1. Turn the power switch on (IG).
    2. Check that the ABS warning light goes off when the power switch is turned on (READY).
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