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HOMESERVICE MANUALSTOYOTA2012PRIUS THREEREPAIR AND DIAGNOSISGENERAL INFORMATIONOBD-II DRIVE CYCLESDRIVE CYCLESVVTVVT DRIVE CYCLE 5
2012 Toyota Prius Three

VVT Drive Cycle 5

2012 Toyota Prius ThreeSECTION VVT Drive Cycle 5
Fig 1: Drive Cycle Pattern 5
G00535196Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear DTCs (even if no DTCs are stored, perform the clear DTC operation).
  4. Turn the ignition switch off and wait for at least 30 seconds.
  5. Turn the ignition switch to ON and turn the Techstream on.
  6. Start the engine and warm it up until the engine oil temperature reaches 75°C (167°F) or higher.
    7. CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws.
  7. Perform the following the confirmation driving pattern.
    1. Idle the engine for 10 seconds or more [A].
    2. Accelerate the vehicle to 97 km/h (60 mph) or more within 20 seconds [B].
    3. Drive the vehicle at 97 km/h (60 mph) or more for 20 seconds or more [C].
    4. Release the accelerator pedal to Decelerate until the vehicle speed decreases to less than 64 km/h (40 mph) [D].
      NOTE: Release the accelerator pedal fully to perform the fuel-cut.
    5. Drive the vehicle at 60 km/h (40 mph) or less for 20 seconds or more [E].
    6. Accelerate the vehicle to 97 km/h (60 mph) or more within 10 seconds [F].
    7. Release the accelerator pedal to Decelerate until the vehicle speed decreases to less than 64 km/h (40 mph) [D].
  8. Enter the following menus: Powertrain / Engine / Trouble Codes.
  9. Read pending DTCs.
    NOTE:
    • If a pending DTC is output, the system is malfunctioning.
    • If a pending DTC is not output, perform the following procedure.
  10. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  11. Input the DTC: P000A, P000B, P000C, P000D, P0011, P0014, P0021 or P0024.
  12. Check the DTC judgment result.
    JUDGMENT RESULT

    TECHSTREAM DISPLY 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
    UNKNOWN
    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU's memory limit
    NOTE:
    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
  13. If the test result is INCOMPLETE or N/A and no DTC is output, perform a universal trip and check for permanent DTCs.
    NOTE:
    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.
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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.