HYBRID CONTROL SYSTEM DTC CHECK / CLEAR


  1. CHECK FOR DTCS


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    5. Check the DTCs and freeze frame data, and then write them down.

    6. Check the details of the DTCs.

      Tech Tips

      Display Item Description
      Current (Current DTC) DTCs that indicate malfunctions
      Pending (Pending DTC)

      • DTCs that indicate temporary malfunctions

      • Existence of malfunction has not been confirmed but there is a possibility
      History (History DTC) DTCs that were stored in the past

      • A pending DTC is a DTC that is stored in the hybrid vehicle control ECU assembly during the 1st trip when the 2 trip detection logic is used.

      • Both current (Current DTC) and Pending (Pending DTC) record freeze frame data.


      Powertrain > Hybrid Control > Trouble Codes

      1. Enter the following menus: Powertrain / Hybrid Control / Utility / Check Mode.


        Powertrain > Hybrid Control > Utility
        Tester Display
        Check Mode

      2. Check items on the display and press "Next".

        Note


        • All the stored DTCs and freeze frame data are cleared if the hybrid vehicle control ECU assembly is changed from normal mode to check mode. Before changing modes, always check and note any DTCs and freeze frame data.

        • Changing from normal mode to check mode function is not available when the power switch is turned on (READY).

        • If a DTC is stored, check and note the DTC and freeze frame data following the GTS display, then change from normal mode to check mode.

  2. CHECK FREEZE FRAME DATA AND INFORMATION


    1. If a DTC is present, select it in order to display its freeze frame data.

    2. Read the freeze frame data recorded when the DTC was stored.

      Note

      A 3-digit information code (INF code) will be displayed as the value for one of the Information 1 to Information 5 lines.

    3. Read the information for the information code.


      1. Select the item from among Information 1 to Information 5 that has an information code and click the engine icon to view the additional information.

  3. CHECK FOR DTCS (SYSTEMS EXCEPT HYBRID VEHICLE CONTROL ECU ASSEMBLY)

    Tech Tips

    The hybrid vehicle control ECU assembly maintains communication with other computers, including the ECM, skid control ECU and power steering ECU. Therefore, if the hybrid vehicle control ECU assembly outputs a warning, it is necessary to check and record the DTCs of all systems.


    1. If DTCs are present, check the relevant systems.

      Tech Tips

      If DTCs for the CAN communication system are present in addition to other DTCs, first troubleshoot and repair any malfunctions in the CAN communication system.

  4. CLEAR DTCS

    Note

    Clearing the DTCs will also clear the freeze frame data, information (Click here) and operation history data Click here.


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    5. Clear DTCs and freeze frame data.


      Powertrain > Hybrid Control > Clear DTCs