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DTC Check / Clear

  1. DTC CHECK/CLEAR (WHEN USING INTELLIGENT TESTER) 
    1. DTC check
      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. DTC clear
      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: Connecting Intelligent Tester To DLC3
    G05296872Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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 engine switch on (IG).
        Fig 2: Identifying Terminals TC And CG Of DLC3
        G05297029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Read DTC from the ABS warning light on the combination meter and multi-information display.

        HINT:

        If no code appears, inspect the TC and CG terminal circuit, and ABS and brake control (multi-information display) warning light circuits.

        LIGHT REFERENCE 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 
        Brake control warning light circuit BRAKE CONTROL WARNING LIGHT REMAINS ON  or BRAKE CONTROL 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 31 and 43, and display of the normal system code and trouble code 31 on the multi-information display.
        Fig 3: Identifying Display Trouble Code, Normal System Code And Trouble Code Blinking Pattern
        G05297039Courtesy 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 the display off. 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 engine switch on (IG).
        Fig 4: Identifying Terminals TC And CG Of DLC3
        G05297029Courtesy 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 and multi-information display indicate 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.

  3. END OF DTC CHECK/CLEAR (WHEN USING SST CHECK WIRE) 
    1. Turn the engine switch on (IG).
    2. Check that the ABS and brake control warning lights illuminate and then turn off after the engine starts.
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