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DTC Check/Clear

  1. DTC CHECK/CLEAR (Using Techstream) 
    1. Check the DTC.
      1. Connect the Techstream to the DLC3.
      2. Turn the ignition switch to ON.
      3. Enter the following menu items: Chassis / ABS/ VSC/TRAC / Trouble Codes.

        HINT:

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

    2. Clear the DTC.
      1. Connect the Techstream to the DLC3.
      2. Turn the ignition switch to ON.
      3. Enter the following menu items: Chassis / ABS/ VSC/TRAC / Trouble Codes.
      4. Clear the DTCs by following the prompts on the Techstream.

        HINT:

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

  2. DTC CHECK/CLEAR (for 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 ignition switch to ON.
      3. Observe the blinking pattern of the ABS warning and VSC OFF indicator lights in order to identify the DTC.

        HINT:

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

        Fig 1: Identifying DLC3 Connector Terminal CG And TC
        G05401175Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        DIAGNOSTIC PROCEDURE CHART

        Trouble Area See procedure
        TC and CG terminal circuit TC AND CG TERMINAL CIRCUIT 
        ABS warning light circuit (Remains on) ABS WARNING LIGHT REMAINS ON 
        ABS warning light circuit (Does not come on) ABS WARNING LIGHT DOES NOT COME ON 
        VSC OFF indicator light circuit (Remains on) VSC OFF INDICATOR LIGHT REMAINS ON 
        VSC OFF indicator light circuit (Does not come on) VSC OFF INDICATOR 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 warning and VSC OFF indicator lights.
        Fig 2: Blinking Pattern In Normal System Code And Trouble Code
        G05401176Courtesy 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.

        HINT:

        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 CG And TC
        G05401177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Turn the ignition switch to ON.
      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 a normal system code.
        5. Fig 4: Checking ABS Warning Light
        G05401178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      5. Remove SST from the terminals of the DLC3.

        HINT:

        Clearing the DTCs cannot be performed by disconnecting the battery terminal or the ECU-IG fuse.

  3. END OF DTC CHECK/CLEAR 
    1. Turn the ignition switch to ON.
    2. Check that the ABS warning light goes off within approximately 3 seconds.
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