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Home >> Toyota >> 2019 >> Prius LE AWD-e >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (8 Of 8) & Circuit Tests >> SFI System >> DTC P3190-00: Poor Engine Power; DTC P3191-00: Engine does not Start [11/2015 - ] >> Confirmation Driving Pattern
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Confirmation Driving Pattern

NOTE:

If the MIL or a master warning light illuminates, immediately end the confirmation driving pattern. If DTCs P3190-00, P3191-00 and P3193-00 are output and the engine is stopped, the HV battery will no longer be chargeable and the distance that the vehicle can be driven will be limited.

GTY606056Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Apply the parking brake firmly.
  2. Connect the Techstream to the DLC3.
  3. Turn the power switch on (IG).
  4. Turn the Techstream on.
  5. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  6. Turn the power switch off and wait for at least 30 seconds.
  7. Turn the power switch on (READY).
  8. Turn the Techstream on.
  9. Fully depress the accelerator pedal for 10 seconds with the vehicle stopped, park (P) selected and the brake pedal depressed [A].
    NOTE:

    As soon as the engine starts, release the accelerator pedal.

  10. Release the parking brake.
  11. Drive the vehicle at an average of approximately 40 km/h (25 mph) or more until the total engine operation time is 10 minutes or more [B].
    WARNING:

    When performing the confirmation driving pattern, obey all speed limits and traffic laws.

    HINT: 

    • It is not necessary to maintain the vehicle speed at 40 km/h (25 mph) throughout the road test.
    • If the engine stops, further depress the accelerator pedal to restart the engine.
  12. Enter the following menus: Powertrain / Engine / Trouble Codes [C].
  13. 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.
  14. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  15. Input the DTC: P3190-00 or P3191-00.
  16. Check the DTC judgment result.
    Techstream Display Description
    NORMAL
    • DTC judgment completed
    • System normal
    ABNORMAL
    • DTC judgment completed
    • System abnormal
    INCOMPLETE
    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions
    N/A
    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit

    HINT: 

    • If the judgment result is NORMAL, the system is normal.
    • If the judgment result is ABNORMAL, the system is malfunctioning.
    • If the judgment result is INCOMPLETE or N/A, perform the Confirmation Driving Pattern and check the DTC judgment result again.
  17. If no pending DTCs are output, perform a universal trip and check for permanent DTCs.

    Refer to DTC CHECK / CLEAR [11/2015 - 07/2020] , or refer to DTC CHECK / CLEAR [07/2020 - ]

    HINT: 

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTCs are output, the system is normal.