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Home >> Lexus >> 2019 >> UX 200 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (SFI) (M20A-FKS) - Diagnostic Codes (3 Of 6) >> SFI System >> DTC P0403-18: Exhaust Gas Recirculation "A" Circuit Current Below Threshold; DTC P040319: Exhaust Gas Recirculation "A" Circuit Current Above Threshold; DTC P140018: Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Below Threshold; DTC P140019: Exhaust Gas Recirculation "A" Control Circuit 2 Circuit Current Above Threshold [10/2018 - 07/2022] >> Confirmation Driving Pattern

Confirmation Driving Pattern

HINT: 

GTY821867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG).
  3. Turn the Techstream on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the engine switch off and wait for at least 30 seconds.
  6. Turn the engine switch on (IG) [A].
  7. Turn the Techstream on.
  8. Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher [B].
  9. Drive the vehicle at 20 km/h (12 mph) or more for 10 minutes or more [C].
    WARNING:

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

  10. Enter the following menus: Powertrain / Engine / Trouble Codes [D].
  11. 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.
  12. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  13. Input the DTC: P040318, P040319, P140018 or P140019.
  14. 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

    HINT: 

    • If the judgment result is NORMAL, the system is normal.
    • If the judgment result is ABNORMAL, the system is malfunctioning.
    • [A] to [D]: Normal judgment procedure.

      The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

    • When clearing the permanent DTCs, do not disconnect the cable from the auxiliary battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.