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DTC Check/Clear

  1. CHECK DTC 
    1. When using an intelligent tester;
      Fig 1: Connecting Intelligent Tester To DLC3 (For Hatchback)
      G04832560Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the intelligent tester to the DLC3.
      2. Turn the ignition switch on and turn the tester on.
      3. Read the DTCs by following the prompts on the intelligent tester.

        HINT:

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

        Fig 2: Connecting Intelligent Tester To DLC3 (For Sedan)
        G04832561Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When not using an intelligent tester;
      1. Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

        SST 09843-18040 

      2. Turn the ignition switch on.
        Fig 3: Identifying DLC3 Terminals
        G04832160Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Read and write down any DTCs indicated by the P/S warning light on the combination meter.

        Refer to Fig 4 for examples of a normal code and DTCs 21 and 22.

        HINT:

        • If the P/S warning light does not blink to display any DTCs set or the normal code, inspect the circuit shown in the table below.
          TROUBLE AREAS REFERENCE

          Trouble Area Reference
          EPS Warning Light Circuit EPS WARNING LIGHT CIRCUIT 
        • If two or more malfunctions are detected simultaneously, DTCs will be displayed in ascending numerical order.
      4. Refer to the DIAGNOSTIC TROUBLE CODE TABLE  for DTC information.
  2. CLEAR DTC 
    1. When using an intelligent tester;
      1. Connect the intelligent tester to the DLC3.
      2. Turn the ignition switch on and turn the tester on.
      3. Clear the DTCs by following the prompts on the intelligent tester.
      4. Turn the ignition switch off.
      5. Disconnect the intelligent tester from the DLC3.
        Fig 4: Identifying P/S Warning Light Blinking Pattern
        G04832563Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When not using an intelligent tester;
      1. Using SST, connect terminals 12 (TS) and 4 (CG) of the DLC3.

        SST 09843-18040 

      2. Turn the ignition switch on.
      3. Disconnect the SST check wire from terminal 4 (CG) and reconnect it, and repeat this procedure 4 times or more within 8 seconds.
      4. Check that the P/S warning light blinks a code to indicate normality.
      5. Turn the ignition switch off.
      6. Remove the SST from the DLC3.
        Fig 5: Identifying DLC3 Terminals
        G04832564Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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