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DTC Check/Clear

  1. DTC CHECK/CLEAR (WHEN USING INTELLIGENT TESTER.) 
    1. Check the DTC.
      1. Connect the intelligent tester to the DLC3.
      2. Turn the engine switch on (IG).
      3. Read the DTCs following the prompts on the tester screen.
    2. Clear the DTC.
      1. Connect the intelligent tester to the DLC3.
      2. Turn the engine switch on (IG).
      3. Operate the intelligent tester to clear the codes.

        HINT:

        Refer to the intelligent tester operator's manual for further details.

        Fig 1: Identifying Intelligent Tester To DLC3
        G05319301Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. DTC CHECK/CLEAR (WHEN USING SST CHECK WIRE.) 
    1. Check the DTC.
      1. Using SST, connect terminals TC and CG of the DLC3.

        SST 09843-18040 

      2. Turn the engine switch on (IG).
      3. Observe the blinking pattern of the ABS warning light and read the multi-information display in order to identify the DTC.
        Fig 2: Identifying CG And TC Terminals Of DLC3 Connector
        G05319302Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT:

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

        TROUBLESHOOTING 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 for ABS, and display of the normal system code and trouble code 43 for the VSC on the multi-information display.
        Fig 3: ABS Blinking Patterns And Normal System Code And Trouble Code 43 Display
        G05319303Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      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 

      2. Turn the engine switch on (IG).
        Fig 4: Identifying CG And TC Terminals Of DLC3 Connector
        G05319304Courtesy 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 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 removing the battery cable or the ECU-IG LH fuse.

        Fig 5: Identifying Brake Pedal
        G05319305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. END OF DTC CHECK/CLEAR 
    1. Turn the engine switch on (IG).
    2. Check that the ABS warning light illuminates and turn off after the engine starts.
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