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Home >> Toyota >> 2021 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2ZR-FAE) - Diagnostic Codes (6 Of 8) >> SFI System >> DTC P10A0: VALVEMATIC Angle Difference (CSS); DTC P1055: VALVEMATIC Angle Difference (ECU) [01/2019 - 03/2019] >> Confirmation Driving Pattern
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Confirmation Driving Pattern

P10A0 

  1. Connect the Techstream to the DLC3.
  2. Start the engine and warm it up (until the engine coolant temperature 75°C (167°F) or higher).
  3. Turn the Techstream on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the ignition switch off and wait for at least 30 seconds.
  6. Turn the ignition switch to ON.
  7. Turn the Techstream on.
  8. Enter the following menus: Powertrain / Engine and ECT / Data List / Coolant Temp.
  9. Check that the "Coolant Temp" is between -10 to 60°C (14 to 140°F).
  10. Start the engine.
  11. Enter the following menus: Powertrain / Engine and ECT / Data List / Accelerator Idle Position and VALVEMATIC Current Angle.
  12. Check that the "Accelerator Idle Position" is ON and "VALVEMATIC Current Angle" is 150 deg (CA).
  13. Idle the engine for 20 seconds.
  14. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  15. 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.
  16. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  17. Input the DTC: P10A0.
  18. 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 shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
  19. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs.

    Refer to DTC CHECK / CLEAR [01/2019 - 03/2019]

    HINT: 

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

P1055 

  1. Connect the Techstream to the DLC3.
  2. Start the engine and warm it up (until the engine coolant temperature 75°C (167°F) or higher).
  3. Turn the Techstream on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the ignition switch off and wait for at least 30 seconds.
  6. Start the engine and idle it for 20 seconds.
  7. Turn the Techstream on.
  8. Clear the DTCs.
  9. Turn the ignition switch off and wait for at least 30 seconds.
  10. Start the engine and idle it for 20 seconds.
  11. Turn the ignition switch off and wait for at least 30 seconds.
  12. Turn the ignition switch to ON.
  13. Turn the Techstream on.
  14. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  15. 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.
  16. Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
  17. Input the DTC: P1055.
  18. 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 shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
  19. If the judgment result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs.

    Refer to DTC CHECK / CLEAR [01/2019 - 03/2019]

    HINT: 

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