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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (Hybrid Control System (AWD, W/ Nickel Metal Hydride Battery) - Diagnostic Codes (7 Of 8)) >> HYBRID CONTROL SYSTEM (for AWD with NICKEL METAL HYDRIDE BATTERY) >> DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [02/2019 - ] >> Procedure

DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [02/2019 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Check for DTCs.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      P3000-4B only is output. A
      DTCs other than P3000-4B are also output. B
    5. Turn the ignition switch off.

    Result: 

    B 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [02/2019 - 06/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 12/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [12/2021 - 11/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2024 - ]

    Result: 

    A 

    See step  2

  2. CLEAN NO. 1 HV BATTERY INTAKE FILTER 
    1. Check the HV battery cooling system intake port for blockage.

      HINT: 

      If anything is blocking the HV battery cooling system intake port, remove it.

      GTY862884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Intake Port
    2. Clean the No. 1 HV battery intake filter.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK FREEZE FRAME DATA (HYBRID CONTROL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Read the freeze frame data of DTC P3000-4B.

      Powertrain > Hybrid Control > Trouble Codes 

      NOTE:

      Although freeze frame data is recorded before and after a DTC is stored, for this step it is only necessary to read the freeze frame data recorded before "0s" (when the DTC was stored).

      GTY870564Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Freeze Frame Data Recorded
      *b DTC Stored
      *c Time

      Result

      Result Proceed to
      Other than below A
      The difference between the value of "VL-Voltage before Boosting" and the total of "Hybrid Battery Block 1 to 11 Voltage" is 10 V or more. B
    5. Turn the ignition switch off.

    Result: 

    B 

    See step  7

    Result: 

    A 

    See step  4

  4. CHECK FREEZE FRAME DATA (HYBRID CONTROL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Read the freeze frame data of DTC P3000-4B.

      Powertrain > Hybrid Control > Trouble Codes 

      NOTE:

      Although freeze frame data is recorded before and after a DTC is stored, for this step it is only necessary to read the freeze frame data recorded at "0s" (when the DTC was stored).

      Result

      Result Proceed to
      Other than below A
      The value of any of "Hybrid Battery Temperature 1 to 3" is 80°C (176°F) or more. B
    5. Turn the ignition switch off.

    Result: 

    B 

    See step  8

    Result: 

    A 

    See step  5

  5. READ VALUE USING TECHSTREAM (DATA LIST) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Hybrid Battery Temperature 1 to 3.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Hybrid Battery Temperature 1
      Hybrid Battery Temperature 2
      Hybrid Battery Temperature 3
    4. According to the display on the Techstream, read the Data List and check that the value of each "Hybrid Battery Temperature 1 to 3" is 40°C (104°F) or less.

      HINT: 

      If the value of any of "Hybrid Battery Temperature 1 to 3" is more than 40°C (104°F), turn the ignition switch off and wait until the values to decrease to 40°C (104°F) or less before continuing this procedure.

    5. Enter the following menus: Powertrain / Hybrid Control / Data List / Hybrid Battery Block 1, 2, 9, 10, 11 Voltage.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Hybrid Battery Block 1 Voltage
      Hybrid Battery Block 2 Voltage
      Hybrid Battery Block 9 Voltage
      Hybrid Battery Block 10 Voltage
      Hybrid Battery Block 11 Voltage
    6. According to the display on the Techstream, read the Data List and check the value of each "Hybrid Battery Block 1, 2, 9, 10 and 11 Voltage" with the ignition switch ON.
      GTY872541Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hybrid Battery Block 1 Voltage *b Hybrid Battery Block 2 Voltage
      *c Hybrid Battery Block 3 Voltage *d Hybrid Battery Block 4 Voltage
      *e Hybrid Battery Block 5 Voltage *f Hybrid Battery Block 6 Voltage
      *g Hybrid Battery Block 7 Voltage *h Hybrid Battery Block 8 Voltage
      *i Hybrid Battery Block 9 Voltage *j Hybrid Battery Block 10 Voltage
      *k Hybrid Battery Block 11 Voltage - -

      Result

      Result Proceed to
      Other than below A
      The difference between the lowest and highest HV Battery Block Voltage is 0.3 V or more. B
    7. Turn the ignition switch off.

    Result: 

    B 

    See step  8

    Result: 

    A 

    See step  6

  6. READ VALUE USING TECHSTREAM (DATA LIST) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Enter the following menus: Powertrain / Hybrid Control / Data List / Hybrid Battery Temperature 1 to 3.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Hybrid Battery Temperature 1
      Hybrid Battery Temperature 2
      Hybrid Battery Temperature 3
    4. According to the display on the Techstream, read the Data List and check that the value of each "Hybrid Battery Temperature 1 to 3" is 40°C (104°F) or less.

      HINT: 

      If the value of any of "Hybrid Battery Temperature 1 to 3" is more than 40°C (104°F), turn the ignition switch off and wait until the values to decrease to 40°C (104°F) or less before continuing this procedure.

    5. Enter the following menus: Powertrain / Hybrid Control / Data List / Hybrid Battery Block 3 to 8 Voltage.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Hybrid Battery Block 3 Voltage
      Hybrid Battery Block 4 Voltage
      Hybrid Battery Block 5 Voltage
      Hybrid Battery Block 6 Voltage
      Hybrid Battery Block 7 Voltage
      Hybrid Battery Block 8 Voltage
    6. According to the display on the Techstream, read the Data List and check the value of each "Hybrid Battery Block 3 to 8 Voltage" with the ignition switch ON.
      GTY888662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hybrid Battery Block 1 Voltage *b Hybrid Battery Block 2 Voltage
      *c Hybrid Battery Block 3 Voltage *d Hybrid Battery Block 4 Voltage
      *e Hybrid Battery Block 5 Voltage *f Hybrid Battery Block 6 Voltage
      *g Hybrid Battery Block 7 Voltage *h Hybrid Battery Block 8 Voltage
      *i Hybrid Battery Block 9 Voltage *j Hybrid Battery Block 10 Voltage
      *k Hybrid Battery Block 11 Voltage - -

      Result

      Result Proceed to
      Other than below A
      The difference between the lowest and highest HV Battery Block Voltage is 0.3 V or more. B
    7. Turn the ignition switch off.

    Result: 

    A 

    COMPLETED 

    Result: 

    B 

    See step  8

  7. REPLACE BATTERY VOLTAGE SENSOR 

    Refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    REPLACE HV BATTERY 

    Refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 06/2020] , or refer to REMOVAL [06/2020 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

  8. REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 

    Refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    REPLACE HV BATTERY 

    Refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 06/2020] , or refer to REMOVAL [06/2020 - 08/2020] , or refer to REMOVAL [08/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

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