LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Hybrid Battery System (HEV) - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests) >> HYBRID BATTERY SYSTEM (for M20A-FXS) >> DTC P3000-00: Hybrid/EV Battery Discharge Control Malfunction [12/2022 - ] >> Procedure

DTC P3000-00: Hybrid/EV Battery Discharge Control Malfunction [12/2022 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (HV BATTERY, HYBRID CONTROL) 

    Pre-procedure1

    • None
    • Check for DTCs.

      Powertrain > HV Battery > Trouble Codes 

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      "P3000-00 or P3000-16" only is output. A
      DTCs except "P3000-00 or P3000-16" of hybrid battery system are output. B
      DTCs except "P3000-00 or P3000-16" of hybrid control system are output. C

    Post-procedure1

    • Turn the ignition switch off.

    Result: 

    B 

    GO TO DTC CHART (HYBRID BATTERY SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2022 - ] 

    Result: 

    C 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2022 - ]

    Result: 

    A 

    See step  2

  2. CHECK DTC OUTPUT (ENGINE) 

    Pre-procedure1

    • None
    • Check for DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Post-procedure1

    • Turn the ignition switch off.

    Result: 

    B 

    GO TO DTC CHART (SFI SYSTEM) 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2022 - 03/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [03/2023 - ]

    Result: 

    A 

    See step  3

  3. CHECK AMOUNT OF FUEL 

    Pre-procedure1

    • Turn the ignition switch to ON.
    • Check the amount of fuel by referring to the fuel gauge in the meter.

      Result

      Result Proceed to
      Proper amount of fuel is in the tank. A
      There is no fuel in the tank. B

      HINT: 

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

    Post-procedure1

    • Turn the ignition switch off.

    Result: 

    B 

    REFUEL VEHICLE 

    Result: 

    A 

    See step  4

  4. CHECK FREEZE FRAME DATA (SHIFT POSITION) 

    Pre-procedure1

    • None
    • Read the freeze frame data item "Shift Position" of DTC P3000-00.

      Powertrain > HV Battery > Trouble Codes 

      Powertrain > HV Battery 

      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 the 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.

      Result

      Proceed to
      NEXT

    Post-procedure1

    • Turn the ignition switch off.

    Result: 

    NEXT 

    See step  5

  5. CHECK ENGINE START 

    Pre-procedure1

    • Turn the ignition switch to ON (READY).
    • Check if the engine starts.

      HINT: 

      • Depressing the accelerator pedal with the shift lever in P will cause the engine to start.
      • Turning the ignition switch to 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

    Post-procedure1

    • If the engine does not start, turn the ignition switch off.

    Result: 

    A 

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

    Result: 

    B 

    See step  6

  6. CLEAR DTC (HV BATTERY) 

    Pre-procedure1

    • None
    • Clear the DTCs and freeze frame data.

      Powertrain > HV Battery > Clear DTCs 

      Result

      Proceed to
      NEXT

    Post-procedure1

    • Perform a road test.

    Result: 

    NEXT 

    CHARGE HV BATTERY 

    Refer to CHARGING [12/2022 - ]

    1. Charge the HV battery using the THS charger, then check that engine starts.