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Home >> Lexus >> 2021 >> ES 300h Luxury >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System (For Nickel Metal Hydride Battery) - Diagnostic Codes (5 Of 5) & Circuit Tests (1 Of 2) >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> DTC P3000-00: Hybrid/EV Battery Discharge Control Malfunction [06/2018 - ] >> Procedure

DTC P3000-00: Hybrid/EV Battery Discharge Control Malfunction [06/2018 - ]: Procedure

  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
      P3000-00 or P3000-16 only is output. A
      DTCs other than P3000-00 or P3000-16 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 [06/2018 - 08/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2021 - ] 

    Result: 

    A 

    See step  2

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

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      No DTCs are output. A
      DTCs are output. B
    5. Turn the power switch off.

    Result: 

    B 

    GO TO DTC CHART (SFI SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2018 - 07/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2019 - 10/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2019 - 08/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 08/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2021 - 09/2022]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2022 - ] 

    Result: 

    A 

    See step  3

  3. CHECK AMOUNT OF FUEL 
    1. Turn the power switch on (IG).
    2. Check the amount of fuel by referring to the fuel gauge in the meter.

      HINT: 

      Add fuel until the low fuel level warning light turns off.

      Result

      Result Proceed to
      Proper amount of fuel is in the tank. A
      There is no fuel in the tank. B
    3. Turn the power switch off.

    Result: 

    B 

    REFUEL VEHICLE 

    Result: 

    A 

    See step  4

  4. CHECK FREEZE FRAME DATA 
    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 item "Shift Position" of DTC P3000-00.

      Powertrain > Hybrid Control > Trouble Codes 

      Powertrain > Hybrid Control 

      Tester Display
      Shift Position
      NOTE:
      • When the freeze frame data "Shift Position" was N, DTC P3000-00 may be stored due to the vehicle was left with shift lever in N and the HV battery could not be charged.
      • If DTC "P3000-00" only is output, charge the HV battery without replacing the HV battery if necessary.
    5. Turn the power switch off.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  5

  5. CHECK ENGINE START 
    1. Turn the power switch on (READY).
    2. Check if the engine starts.

      HINT: 

      • Depressing the accelerator pedal with shift lever in P will cause the engine to start.
      • Turning the power switch on (READY) and off repeatedly while the SOC is low may cause the SOC to drop further, resulting in DTC P3000-16 being stored. Charge the HV battery using the THS charger as necessary.
      • Cranking the engine once causes the SOC to drop approximately 1%.
      • Charging the HV battery once (10 minutes) using the THS charger restores the SOC approximately 2%.

      Result

      Result Proceed to
      The engine starts. A
      The engine does not start. B
    3. If the engine does not start, turn the power switch off.

    Result: 

    A 

    LEAVE VEHICLE WITH SHIFT LEVER IN P, AND CHARGE HV BATTERY BY IDLING UNTIL IDLING STOPS 

    Result: 

    B 

    See step  6

  6. CLEAR DTC 

    Refer to PROCEDURE - Step 3

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    CHARGE HV BATTERY (CHECK THAT ENGINE STARTS). Refer to  CHARGING [06/2018 - 08/2021]  , or refer to  CHARGING [08/2021 - 09/2022]  , or refer to  CHARGING [09/2022 - ]