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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 107 (Hybrid Control System (2WD) - Diagnostic Codes (4 Of 7)) >> HYBRID CONTROL SYSTEM (for 2WD) >> DTC P0ABF-00: Hybrid/EV Battery Current Sensor "A" Circuit Range/Performance [12/2019 - 11/2023] >> Procedure

DTC P0ABF-00: Hybrid/EV Battery Current Sensor "A" Circuit Range/Performance [12/2019 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Check for DTCs.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      One of the following applies:
      • Only P0ABF-00 is output.
      • One or more DTCs other than P0AFC-00 and P0AFC-96 are also output.
      		 A
      P0AFC-00 or P0AFC-96 is also output. B
    2. Turn the ignition switch off.

    Result: 

    B 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 09/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2020 - 10/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2021 - 11/2023] 

    Result: 

    A 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (BATTERY VOLTAGE SENSOR - HV BATTERY JUNCTION BLOCK ASSEMBLY) 

    See step  3

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE HYBRID BATTERY THERMISTOR (WIRE HARNESS OR CONNECTOR). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

    Result: 

    OK 

    See step  3

  3. REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  4

  4. CLEAR DTC 
    1. Read and record the DTCs and Freeze Frame Data.

      Powertrain > Hybrid Control > Trouble Codes 

    2. Clear the DTCs and Freeze Frame Data.

      Powertrain > Hybrid Control > Clear DTCs 

    3. Turn the ignition switch off and wait for 2 minutes or more.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  5

  5. PERFORM ROAD TEST 
    1. Drive the vehicle for approximately 10 minutes according to the Freeze Frame Data items "Vehicle Speed", "Accelerator Position", "Hybrid Battery Current", "Motor Torque" and "Generator Torque".
      WARNING:

      When performing the confirmation driving pattern, obey all speed limits and traffic laws.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Check for DTCs.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      P0ABF-00 is not output. A
      P0ABF-00 is output again. B
    2. Turn the ignition switch off.

    Result: 

    A 

    END 

    Result: 

    B 

    REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

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