HYBRID BATTERY SYSTEM DTC CHECK / CLEAR


  1. CHECK DTC (POWER MANAGEMENT CONTROL ECU (HV CPU))


    1. Connect the intelligent tester to the DLC3.

    2. Turn the turn the power switch on (IG).

    3. Turn the intelligent tester ON.

    4. A01NFY4E11

      On the System Select screen, enter the following menus: Powertrain / Hybrid Control / DTC.

    5. Read DTCs of the hybrid control system.

  2. CHECK FREEZE FRAME DATA AND INFORMATION


    1. A01NHXZE13

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

    2. A01NFJYE04

      Read freeze frame data recorded when the DTC was set.

      Note

      Information code (INF code) is displayed in one of the columns, detail code 1 to 5, on the freeze frame data screen. Check the details by following the procedures in the following steps.

      Tech Tips

      In the case shown in the illustration, refer to troubleshooting for DTC P3138 and INF code 349.

    3. Read the information.


      1. A01NFJYE05

        Select Detail Information beneath Detail Code which has an INF code.

        Tech Tips

        Detail Code 2 has the INF code 349 in the illustration. In this case, Detail Information 2 should be selected.

      2. Press the "Details" key.

      3. A01NH7GE01

        Information is displayed as shown in the illustration.

  3. CHECK DTC (BUS CHECK)


    1. A01NFY4E05

      On the System Select screen, select Bus Check.

    2. A01NCR9E01

      On the Bus Check screen, select Communication Malfunction DTC, in order to read the DTCs for a communication error.

      Tech Tips

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

  4. CHECK FOR DTCS (SYSTEMS OTHER THAN POWER MANAGEMENT CONTROL ECU (HV CPU))

    Tech Tips

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


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

  5. 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 intelligent tester to the DLC3.

    2. Turn the power switch on (IG) and turn the intelligent tester on.

    3. Check that the shift lever is in P.

    4. Display the Hybrid Control / DTC screen and press the Clear key at the bottom right area of the screen.

      Note

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