HYBRID BATTERY SYSTEM, Diagnostic DTC:P0AC0-123

DTC Code DTC Name
P0AC0-123 Hybrid Battery Pack Current Sensor Circuit Range / Performance

DESCRIPTION

Refer to the Description for DTC P0ABF-123 Click here.

DTC No. DTC Detection Condition Trouble Area
P0AC0-123 When the battery current sensor is abnormal (1 or 2 trip detection)

  • Hybrid battery junction block assembly

  • Battery smart unit

PROCEDURE


  1. CHECK DTC OUTPUT (HV)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

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

    4. Check and record any HV system DTCs, INF codes and freeze frame data.

    5. Read output DTCs Click here.

      Result
      Result Proceed to
      Only DTC P0AC0-123 is output or DTC P0AC0-123 and DTCs other than those in the following table are output. A
      Any of the DTCs in the following table are output at the same time. B
      Relevant DTC
      P0A95-123 High Voltage Fuse
      P0ABF-123 Hybrid Battery Pack Current Sensor Circuit
      P0AC1-123 Hybrid Battery Pack Current Sensor Circuit Low
      P0AC2-123 Hybrid Battery Pack Current Sensor Circuit High
      P0AFC-123 Hybrid Battery Pack Sensor Module
      P0B3D-123, P0B42-123, P0B47-123, P0B4C-123, P0B51-123, P0B56-123, P0B5B-123, P0B60-123, P0B65-123, P0B6A-123, P0B6F-123, P0B74-123, P0B79-123, P0B7E-123, P0B83-123, P0B88-123, P0B8D-123, P0B92-123 Hybrid Battery Voltage Sensor "A - R" Circuit Low

    6. Turn the power switch off.

    7. Disconnect the intelligent tester from the DLC3.

    8. Connect the intelligent tester to the DLC3.

    9. Turn the power switch on (IG).

      Note

      Do not turn the power switch on (READY).

    10. Enter the following menus: Powertrain / Hybrid Control / Data List / Battery Block Vol -V01 to V14.

      Note

      Select "Battery Block Vol -V01 to V14" only. (Do not select any other Data List items.)

    11. Check the voltage of each "Battery Block Vol" of "Battery Block Vol -V01 to V14" in the Data List with the power switch on (IG).

      B001MU4E24
      Specified Condition
      Any "Battery Block Vol" changes by 0.3 V or more, 60 seconds after the power switch is turned on (IG). (The difference between the maximum and minimum voltage is 0.3 V or more.)
      Result
      Result Proceed to
      The change in voltage of any "Battery Block Vol" is 0.3 V or more. A
      Other than above. B

    12. Turn the power switch off.

    13. Disconnect the intelligent tester from the DLC3.


    B

    GO TO DTC CHART (HYBRID BATTERY SYSTEM) Click here

    A

  2. READ VALUE USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

      Note

      Do not turn the power switch on (READY).

    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Battery Block Vol -V01 to V14.

      Note

      Select "Battery Block Vol -V01 to V14" only. (Do not select any other Data List items.)

    4. Check the voltage of each "Battery Block Vol" of "Battery Block Vol -V01 to V14" in the Data List with the power switch on (IG).

      B001MU4E24
      Specified Condition
      Any "Battery Block Vol" changes by 0.3 V or more, 60 seconds after the power switch is turned on (IG). (The difference between the maximum and minimum voltage is 0.3 V or more.)
      Result
      Result Proceed to
      The change in voltage of any "Battery Block Vol" is 0.3 V or more. A
      Other than above. B

    5. Turn the power switch off.

    6. Disconnect the intelligent tester from the DLC3.


    A

    REPLACE BATTERY SMART UNIT Click here

    B

    REPLACE HYBRID BATTERY JUNCTION BLOCK ASSEMBLY