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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Battery System - Diagnostic Codes (8 Of 8) & Symptom Tests >> Hybrid Battery System >> "HAVE TRACTION BATTERY INSPECTED" is displayed [11/2020 - 12/2022] >> Procedure

"HAVE TRACTION BATTERY INSPECTED" is displayed [11/2020 - 12/2022]: Procedure

  1. READ VALUE USING GTS 

    Pre-procedure1

    1. None.

      Procedure1

    2. Enter the following menus: Powertrain / EV Battery / Data List / Hybrid/EV Battery Cell 1 to 84 Internal Resistance.

      Powertrain > EV Battery > Data List 

      Tester Display Measurement Item Range Normal Condition
      Hybrid/EV Battery Cell 1 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 2 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 3 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 4 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 5 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 6 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 7 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 8 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 9 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 10 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 11 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 12 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 13 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 14 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 15 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 16 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 17 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 18 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 19 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 20 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 21 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 22 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 23 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 24 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 25 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 26 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 27 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 28 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 29 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 30 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 31 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 32 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 33 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 34 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 35 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 36 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 37 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 38 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 39 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 40 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 41 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 42 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 43 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 44 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 45 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 46 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 47 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 48 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 49 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 50 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 51 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 52 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 53 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 54 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 55 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 56 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 57 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 58 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 59 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 60 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 61 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 62 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 63 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 64 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 65 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 66 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 67 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 68 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 69 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 70 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 71 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 72 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 73 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 74 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 75 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 76 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 77 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 78 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 79 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 80 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 81 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 82 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 83 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less
      Hybrid/EV Battery Cell 84 Internal Resistance Internal resistance of each battery cell Min.: 0.000 ohm, Max.: 0.025 ohm Always: 0.006 Ω or less

      Powertrain > EV Battery > Data List 

      Tester Display
      Hybrid/EV Battery Cell 1 Internal Resistance
      Hybrid/EV Battery Cell 2 Internal Resistance
      Hybrid/EV Battery Cell 3 Internal Resistance
      Hybrid/EV Battery Cell 4 Internal Resistance
      Hybrid/EV Battery Cell 5 Internal Resistance
      Hybrid/EV Battery Cell 6 Internal Resistance
      Hybrid/EV Battery Cell 7 Internal Resistance
      Hybrid/EV Battery Cell 8 Internal Resistance
      Hybrid/EV Battery Cell 9 Internal Resistance
      Hybrid/EV Battery Cell 10 Internal Resistance
      Hybrid/EV Battery Cell 11 Internal Resistance
      Hybrid/EV Battery Cell 12 Internal Resistance
      Hybrid/EV Battery Cell 13 Internal Resistance
      Hybrid/EV Battery Cell 14 Internal Resistance
      Hybrid/EV Battery Cell 15 Internal Resistance
      Hybrid/EV Battery Cell 16 Internal Resistance
      Hybrid/EV Battery Cell 17 Internal Resistance
      Hybrid/EV Battery Cell 18 Internal Resistance
      Hybrid/EV Battery Cell 19 Internal Resistance
      Hybrid/EV Battery Cell 20 Internal Resistance
      Hybrid/EV Battery Cell 21 Internal Resistance
      Hybrid/EV Battery Cell 22 Internal Resistance
      Hybrid/EV Battery Cell 23 Internal Resistance
      Hybrid/EV Battery Cell 24 Internal Resistance
      Hybrid/EV Battery Cell 25 Internal Resistance
      Hybrid/EV Battery Cell 26 Internal Resistance
      Hybrid/EV Battery Cell 27 Internal Resistance
      Hybrid/EV Battery Cell 28 Internal Resistance
      Hybrid/EV Battery Cell 29 Internal Resistance
      Hybrid/EV Battery Cell 30 Internal Resistance
      Hybrid/EV Battery Cell 31 Internal Resistance
      Hybrid/EV Battery Cell 32 Internal Resistance
      Hybrid/EV Battery Cell 33 Internal Resistance
      Hybrid/EV Battery Cell 34 Internal Resistance
      Hybrid/EV Battery Cell 35 Internal Resistance
      Hybrid/EV Battery Cell 36 Internal Resistance
      Hybrid/EV Battery Cell 37 Internal Resistance
      Hybrid/EV Battery Cell 38 Internal Resistance
      Hybrid/EV Battery Cell 39 Internal Resistance
      Hybrid/EV Battery Cell 40 Internal Resistance
      Hybrid/EV Battery Cell 41 Internal Resistance
      Hybrid/EV Battery Cell 42 Internal Resistance
      Hybrid/EV Battery Cell 43 Internal Resistance
      Hybrid/EV Battery Cell 44 Internal Resistance
      Hybrid/EV Battery Cell 45 Internal Resistance
      Hybrid/EV Battery Cell 46 Internal Resistance
      Hybrid/EV Battery Cell 47 Internal Resistance
      Hybrid/EV Battery Cell 48 Internal Resistance
      Hybrid/EV Battery Cell 49 Internal Resistance
      Hybrid/EV Battery Cell 50 Internal Resistance
      Hybrid/EV Battery Cell 51 Internal Resistance
      Hybrid/EV Battery Cell 52 Internal Resistance
      Hybrid/EV Battery Cell 53 Internal Resistance
      Hybrid/EV Battery Cell 54 Internal Resistance
      Hybrid/EV Battery Cell 55 Internal Resistance
      Hybrid/EV Battery Cell 56 Internal Resistance
      Hybrid/EV Battery Cell 57 Internal Resistance
      Hybrid/EV Battery Cell 58 Internal Resistance
      Hybrid/EV Battery Cell 59 Internal Resistance
      Hybrid/EV Battery Cell 60 Internal Resistance
      Hybrid/EV Battery Cell 61 Internal Resistance
      Hybrid/EV Battery Cell 62 Internal Resistance
      Hybrid/EV Battery Cell 63 Internal Resistance
      Hybrid/EV Battery Cell 64 Internal Resistance
      Hybrid/EV Battery Cell 65 Internal Resistance
      Hybrid/EV Battery Cell 66 Internal Resistance
      Hybrid/EV Battery Cell 67 Internal Resistance
      Hybrid/EV Battery Cell 68 Internal Resistance
      Hybrid/EV Battery Cell 69 Internal Resistance
      Hybrid/EV Battery Cell 70 Internal Resistance
      Hybrid/EV Battery Cell 71 Internal Resistance
      Hybrid/EV Battery Cell 72 Internal Resistance
      Hybrid/EV Battery Cell 73 Internal Resistance
      Hybrid/EV Battery Cell 74 Internal Resistance
      Hybrid/EV Battery Cell 75 Internal Resistance
      Hybrid/EV Battery Cell 76 Internal Resistance
      Hybrid/EV Battery Cell 77 Internal Resistance
      Hybrid/EV Battery Cell 78 Internal Resistance
      Hybrid/EV Battery Cell 79 Internal Resistance
      Hybrid/EV Battery Cell 80 Internal Resistance
      Hybrid/EV Battery Cell 81 Internal Resistance
      Hybrid/EV Battery Cell 82 Internal Resistance
      Hybrid/EV Battery Cell 83 Internal Resistance
      Hybrid/EV Battery Cell 84 Internal Resistance

      Result

      Result Proceed to
      "Hybrid/EV Battery Cell 1 to 42 Internal Resistance" is out of the specified range. A
      "Hybrid/EV Battery Cell 43 to 84 Internal Resistance" is out of the specified range. B
      All values are not within the specified range. C

      Post-procedure1

    3. Turn the ignition switch off.

    Result: 

    REPLACE NO. 1 EV SUPPLY STACK SUB-ASSEMBLY. Refer to  REMOVAL [11/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 12/2022] 

    Result: 

    REPLACE NO. 2 EV SUPPLY STACK SUB-ASSEMBLY. Refer to  REMOVAL [11/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 12/2022] 

    Result: 

    See step  2

  2. DIAGNOSIS 
    1. Confirm with the owner whether or not to perform "Prediagnostic Battery Charge" and "Battery Diagnosis".

      HINT: 

      • It takes about 2 hours to perform "Prediagnostic Battery Charge" and "Battery Diagnosis".
      • Depending on the vehicle usage, it is possible to reuse the EV supply stack sub-assembly. However, if it is judged not possible to be reused, replace the EV supply stack sub-assembly.

      Result

      Result Proceed to
      "Prediagnostic Battery Charge" and "Battery Diagnosis" is performed. A
      "Prediagnostic Battery Charge" and "Battery Diagnosis" is not performed. B

    Result: 

    REPLACE EV SUPPLY BATTERY ASSEMBLY. Refer to  REMOVAL [11/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 12/2022] 

    Result: 

    See step  3

  3. PERFORM UTILITY (Prediagnostic Battery Charge) 
    1. Apply the parking brake and secure the wheels using chocks.
    2. Perform the "Prediagnostic Battery Charge".

      Refer to UTILITY [11/2020 - ]

      NOTE:
      • If the fuel level warning light is illuminated, add enough fuel that the light turns off, and then perform "Prediagnostic Battery Charge".
      • Perform EV supply battery assembly charging with appropriate EV battery temperature, between 10°C (50°F) and 47°C (116.6°F).
      • Do not perform prediagnostic battery charge while the master warning is illuminated.
      • Perform prediagnostic battery charge with the EV supply battery assembly installed correctly.
      • Do not perform prediagnostic battery charge while changing from inspection mode to another mode.

      HINT: 

      • If the EV battery temperature is low (below 10°C (50°F)), drive the vehicle until the temperature reaches 10°C (50°F) or higher and perform "Prediagnostic Battery Charge" again.
      • If the EV battery temperature is high (above 47°C (116.6°F)), leave the vehicle with the ignition switch ON (READY) and park (P) selected. Wait until the EV battery temperature drops to 43°C (109.4°F) or less, and then perform "Prediagnostic Battery Charge" again.
      • If the EV battery temperature is low (below 0 °C (32°F)) and the ignition switch cannot be turned to ON (READY), place the vehicle in a warm environment (20°C (68°F) or higher). Wait until the EV battery temperature reaches 0 °C (32°F) or higher, and then perform "Prediagnostic Battery Charge" again.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. PERFORM UTILITY (Battery Diagnosis) 
    1. Perform the "Battery Diagnosis".

      Refer to UTILITY [11/2020 - ]

      NOTE:
      • Perform EV battery diagnosis with appropriate EV battery temperature (between 0°C (32°F) and 47°C (116.6°F)).
      • Do not perform battery diagnosis while the master warning is illuminated.
      • Perform battery diagnosis with the EV supply battery assembly installed correctly.
      • Do not perform battery diagnosis while changing from inspection mode to another mode.
      • The IG off timer function automatically turns the ignition switch off 10 minutes after the battery diagnosis completes. Make sure to confirm the diagnosis result as soon as possible.
      • Make sure to turn the ignition switch off after battery diagnosis to prevent the auxiliary battery from being discharged.
      • If differences among SOCs of each EV supply battery assembly exceed the specifications, the master warning may illuminate when "Battery Diagnosis" is complete. In this case, check for hybrid battery system related DTCs. If DTC P3000-16 is output, leave the vehicle with the ignition switch ON (READY) for 10 minutes or more allowing the vehicle to charge the EV supply battery assembly. Then clear the DTCs.
      • If the vehicle is left with the ignition switch ON after battery diagnosis, the master warning may illuminate. If DTC P3000-00 is output, perform troubleshooting by following the inspection procedure for the DTC.
      • Wait 1 hour or more before turning the ignition switch to ON after the ignition switch is turned off. If the ignition switch is turned to ON shortly after battery diagnosis, the master warning may illuminate.

      HINT: 

      As the "Battery Diagnosis" discharges the EV supply battery assembly to a low SOC, if the ignition switch is turned to ON immediately after the "Battery Diagnosis" is completed, DTC P31AB-16 (Hybrid/EV Battery Cell Low Voltage) may be stored. For this reason, leave the vehicle as is for 1 hour to allow the EV supply battery assembly SOC to recover.

    2. Check the battery diagnosis result.

      Result

      Result Proceed to
      OK ("There is no need to replace HV battery.") A
      NG (Replace the listed hybrid vehicle supply stack sub-assemblies) B

    Result: 

    REPLACE EV SUPPLY STACK SUB-ASSEMBLY. Refer to  REMOVAL [11/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 12/2022] 

    Result: 

    See step  5

  5. CHARGE EV SUPPLY BATTERY ASSEMBLY 
    1. Turn the ignition switch to ON (READY).

      HINT: 

      • Charge the EV supply battery assembly with the ignition switch ON (READY) to recover the SOC after "Battery Diagnosis".
      • The READY indicator illuminates and the FC system starts.
    2. Leave the vehicle with park (P) selected until the FC system stops.

      HINT: 

      The FC system stops when the SOC of the EV supply battery assembly reaches the specified amount.

    3. Turn the ignition switch off.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    COMPLETED