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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Hybrid Control System (Diagnostic Codes) (4 Of 5)) >> Hybrid Control System >> DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [10/2018 - ] >> Procedure

DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [10/2018 - ]: Procedure

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  1. CHECK DTC OUTPUT (HYBRID CONTROL) 
    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
      P30004B only is output. A
      DTCs other than P30004B are also output. B
    5. Turn the power switch off.

    Result: 

    B 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2018 - ] 

    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.

      GTY793008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Intake Port
    2. Clean the No. 1 HV battery intake filter.

      Refer to INSPECTION [10/2018 - ]

      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 power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Read the freeze frame data of DTC P30004B.

      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).

      GTY753620Courtesy 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 10 Voltage" is 10 V or more. B
    5. Turn the power 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 power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Read the freeze frame data of DTC P30004B.

      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 power switch off.

    Result: 

    B 

    See step  8

    Result: 

    A 

    See step  5

  5. READ VALUE USING TECHSTREAM (DATA LIST) 
    1. Apply the parking brake and secure the wheels using chocks.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (READY).
    4. Enter the following menus: Powertrain / Hybrid Control / Data List.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Hybrid Battery Temperature 1
      Hybrid Battery Temperature 2
      Hybrid Battery Temperature 3
    5. 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 power switch off and wait until the values to decrease to 40°C (104°F) or less before continuing this procedure.

    6. Enter the following menus: Powertrain / Hybrid Control / Data List.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Hybrid Battery Block 1 Voltage
      Hybrid Battery Block 2 Voltage
      Hybrid Battery Block 8 Voltage
      Hybrid Battery Block 9 Voltage
      Hybrid Battery Block 10 Voltage
    7. According to the display on the Techstream, read the Data List and check the value of each "Hybrid Battery Block 1, 2, 8, 9 and 10 Voltage" with the power switch on (IG).
      GTY965163Courtesy 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

      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
    8. Turn the power switch off.

    Result: 

    B 

    See step  8

    Result: 

    A 

    See step  6

  6. READ VALUE USING TECHSTREAM (DATA LIST) 
    1. Apply the parking brake and secure the wheels using chocks.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (READY).
    4. Enter the following menus: Powertrain / Hybrid Control / Data List.

      Powertrain > Hybrid Control > Data List 

      Tester Display
      Hybrid Battery Temperature 1
      Hybrid Battery Temperature 2
      Hybrid Battery Temperature 3
    5. 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 power switch off and wait until the values to decrease to 40°C (104°F) or less before continuing this procedure.

    6. Enter the following menus: Powertrain / Hybrid Control / Data List.

      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
    7. According to the display on the Techstream, read the Data List and check the value of each "Hybrid Battery Block 3 to 7 Voltage" with the power switch on (IG).
      GTY965003Courtesy 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

      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
    8. Turn the power switch off.

    Result: 

    A 

    END 

    Result: 

    B 

    See step  8

  7. REPLACE BATTERY VOLTAGE SENSOR 

    Refer to REMOVAL [10/2018 - 07/2022] Refer to REMOVAL [07/2022 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    REPLACE HV BATTERY. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

  8. REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [10/2018 - 07/2022] Refer to REMOVAL [07/2022 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    REPLACE HV BATTERY. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

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