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DTC Check / Clear

  1. DTC CHECK / CLEAR (USING INTELLIGENT TESTER) 
    1. DTC CHECK
      1. Connect the intelligent tester to the DLC3.
      2. Turn the ignition switch to the ON position.
      3. Read DTCs on the tester screen.
    2. DTC CLEAR
      1. Connect the intelligent tester to the DLC3.
      2. Turn the ignition switch to the ON position.
      3. Clear the DTCs following the prompts on the tester screen.
      4. Recheck DTCs.

        HINT:

        Intelligent tester has a "Snapshot" function which records the monitored data. Refer to the intelligent tester operator's manual for further details.

        Fig 1: Connecting Intelligent Tester To DLC3
        G04867010Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. DTC CHECK / CLEAR (USING SST CHECK WIRE) 
    1. DTC CHECK
      1. Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

        SST 09843-18040 

      2. Turn the ignition switch to the ON position.
      3. Read and record DTCs from the CRUISE main indicator light on the combination meter. As examples, refer to the chart below for the blinking patterns of the normal system code and DTCs 21 and 52.
        Fig 2: Identifying DLC3 Connector Terminal
        G04867011Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Fig 3: Combination Meter - Blinking Patterns
        G04867012Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT:

        If the CRUISE main indicator light does not blink DTC blinking patterns, or the normal system code blinking pattern, inspect the following circuits.

        DTC CHART

        Relevant Circuit See Procedure
        TC and CG terminal circuit Cruise Main Indicator Light Circuit 
        CRUISE main indicator light circuit Diagnosis Circuit 
    2. DTC CLEAR
      1. Turn the ignition switch OFF.
      2. If DTCs are indicated, repair the relevant circuits referring to the DIAGNOSTIC TROUBLE CODE CHART  (see ).
      3. Clear the DTCs according to either one of the following procedures.
        • Disconnect the negative (-) battery cable for 60 seconds.
        • Remove the EFI fuse for 60 seconds.
      4. Recheck DTCs.