Confirmation Driving Pattern

2025 Toyota Prius XLE AWDSECTION Confirmation Driving Pattern

HINT: 

After a repair, check Monitor Status by performing the Key-Off Monitor Confirmation and Purge Flow Monitor Confirmation described below.

  1. KEY-OFF MONITOR CONFIRMATION 
    NOTE:
    • The Evaporative System Check (Automatic Mode) consists of 9 steps performed automatically by the GTS. It takes a maximum of approximately 40 minutes.
    • Do not perform the Evaporative System Check when the fuel tank is more than 90% full because the cut-off valve may be closed, making the fuel tank leak check unavailable.
    • Do not start the engine during this operation.
    • When the temperature of the fuel is 35°C (95°F) or higher, a large amount of vapor forms and any check results become inaccurate. When performing the Evaporative System Check, keep the fuel temperature less than 35°C (95°F).
    1. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
    2. Turn the ignition switch off and wait for at least 30 seconds.
    3. Enter the following menus: Powertrain / Engine / Utility / Evaporative System Check / Automatic Mode.
    4. After the "Evaporative System Check" is completed, check for All Readiness by entering the following menus: Powertrain / Engine / Utility / All Readiness.
    5. Input the DTC: P043E-00, P043F-00, P0441-7E, P0441-7F, P0446-72, P44673, P0450-11, P0450-15, P0450-2F, P1420-00, P1421-00, P1422-00, P1423-00, P1450-11, P1450-15, P1450-2A, P1450-2F, P2400-7E, P2400-7F, P2450-7E or P2451-7F.
    6. Check the DTC judgment result.

      HINT: 

      • If the judgment result is NORMAL, the system is normal.
      • If the judgment result is ABNORMAL, the system is malfunctioning.
  2. PURGE FLOW MONITOR CONFIRMATION (P0441-9C) 

    HINT: 

    Perform this monitor confirmation after the Key-Off Monitor Confirmation shows Complete.

    1. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
    2. Turn the ignition switch off and wait for at least 30 seconds.
    3. Put the engine in Inspection Mode (Maintenance Mode).

      Refer to INSPECTION MODE PROCEDURE [12/2022 - ]

    4. Start the engine and wait 15 minutes or more.
    5. Enter the following menus: Powertrain / Engine / Trouble Codes.
    6. Read the pending DTCs.

      HINT: 

      • If a pending DTC is output, the system is malfunctioning.
      • If a pending DTC is not output, perform the following procedure.
    7. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
    8. Input the DTC: P0441-9C.
    9. Check the DTC judgment result.

      HINT: 

      • If the judgment result is NORMAL, the system is normal.
      • If the judgment result is ABNORMAL, the system is malfunctioning.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.