LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Hybrid Control System - Diagnostic Codes (4 Of 5)) >> Hybrid Control System >> DTC P3000-00: Hybrid/EV Battery Discharge Control Malfunction [11/2023 - ] >> Procedure

DTC P3000-00: Hybrid/EV Battery Discharge Control Malfunction [11/2023 - ]: Procedure

WARNING: This page is about a different car, the 2025 Toyota Highlander and 2024 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. 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
    2. Turn the ignition switch off.

    Result: 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2023 - ]

    Result: 

    See step  2

  2. CHECK DTC OUTPUT (ENGINE) 
    1. Check for DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      No DTCs are output. A
      DTCs are output. B
    2. Turn the ignition switch off.

    Result: 

    GO TO DTC CHART (SFI SYSTEM) 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2023 - 11/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2024 - ]

    Result: 

    See step  3

  3. CHECK AMOUNT OF FUEL 
    1. Turn the ignition switch to ON.
    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 ignition switch off.

    Result: 

    REFUEL VEHICLE 

    Result: 

    See step  4

  4. CHECK FREEZE FRAME DATA (HYBRID CONTROL) 
    1. 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.
    2. Turn the ignition switch off.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  5

  5. CHECK ENGINE START 
    1. Turn the ignition switch to 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 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
    3. If the engine does not start, turn the ignition switch off.

    Result: 

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

    Result: 

    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 [11/2023 - ]