DTC P0ABF-00: Hybrid/EV Battery Current Sensor "A" Circuit Range/Performance [11/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check for DTCs.

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Result	Proceed to
   Only P0ABF-00 is output	A
   P0AFC-00 or P0AFC-96 is output	B
   Other than above	C

5. Turn the power switch off.

Result: 

A 

See step  2

Result: 

B 

GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2015 - 11/2017]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2017 - 12/2018]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2018 - 08/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2019 - 06/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2021 - ] 

Result: 

C 

See step  2

1. Check that the service plug grip is not installed.
   NOTE:

   After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the service information because this may cause a malfunction.

2. Remove the No. 1 HV battery cover panel RH.

   HINT: 

   Refer to PROCEDURE - Step 29 [11/2015 - 12/2018] , or refer to PROCEDURE - Step 29 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 29 [07/2020 - ]

3. Disconnect the z6 battery current sensor connector from the HV battery junction block assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NOTE:

   Before disconnecting the connector, check that it is not loose or disconnected.

4. Remove the No. 1 hybrid battery exhaust duct.

   HINT: 

   Refer to PROCEDURE - Step 32 [11/2015 - 12/2018] , or refer to PROCEDURE - Step 32 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 32 [07/2020 - ]

5. Disconnect the z5 battery voltage sensor connector.
   NOTE:

   Before disconnecting the connector, check that it is not loose or disconnected.

6. Measure the resistance according to the value(s) in the tables below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Rear view of wire harness connector (to Battery Voltage Sensor)
   *b	Front view of wire harness connector (to HV Battery Junction Block Assembly (Battery Current Sensor))

   Standard Resistance (Check for Open)

   (z5, z6)

   (z5)

   (z6)

   Tester Connection	Condition	Specified Condition
   z5-5 (IB0) - z6-4 (IB0)	Power switch off	Below 1 Ω
   z5-12 (GIB) - z6-3 (GIB)	Power switch off	Below 1 Ω
   z5-6 (VIB) - z6-1 (VIB)	Power switch off	Below 1 Ω

   Standard Resistance (Check for Short)

   (z5, z6)

   (z5)

   (z6)

   Tester Connection	Condition	Specified Condition
   z5-5 (IB0) or z6-4 (IB0) - Body ground and other terminals	Power switch off	10 kΩ or higher
   z5-12 (GIB) or z6-3 (GIB) - Body ground and other terminals	Power switch off	10 kΩ or higher
   z5-6 (VIB) or z6-1 (VIB) - Body ground and other terminals	Power switch off	10 kΩ or higher

   HINT: 

   As the battery harness is not available as a supply part, if the harness cannot be repaired, replace the HV battery.

7. Reconnect the z5 battery voltage sensor connector.
8. Install the No. 1 hybrid battery exhaust duct.
9. Reconnect the z6 battery current sensor connector to the HV battery junction block assembly.
10. Install the No. 1 HV battery cover panel RH.

    Result

    Proceed to
    OK
    NG

Result: 

NG 

REPLACE HYBRID BATTERY THERMISTOR. Refer to  REMOVAL [11/2015 - 12/2018]  , or refer to  REMOVAL [12/2018 - 07/2020]  , or refer to  REMOVAL [07/2020 - ] 

Result: 

OK 

See step  3

HINT: 

Refer to REMOVAL [11/2015 - 12/2018] , or refer to REMOVAL [12/2018 - 07/2020] , or refer to REMOVAL [07/2020 - ]

Result

Result: 

NEXT 

See step  4

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Clear the DTCs.

   Powertrain > Hybrid Control > Clear DTCs 

5. Turn the power switch off and wait for 2 minutes or more.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

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

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check for DTCs.

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Result	Proceed to
   P0ABF-00 is not output	A
   P0ABF-00 is output	B

5. Turn the power switch off.

Result: 

A 

COMPLETED 

Result: 

B 

REPLACE BATTERY VOLTAGE SENSOR. Refer to  REMOVAL [11/2015 - 12/2018]  , or refer to  REMOVAL [12/2018 - 07/2020]  , or refer to  REMOVAL [07/2020 - ]