DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (2 Of 6) >> SFI System >> DTC P0171-00: System Too Lean Bank 1; DTC P0172-00: System Too Rich Bank 1; DTC P0174-00: System Too Lean Bank 2; DTC P0175-00: System Too Rich Bank 2; DTC P1170-00: Fuel Performance/Port Injector; DTC P117B-00: Fuel Performance/Direct Injector [12/2019 - 10/2022] >> Confirmation Driving Pattern

Confirmation Driving Pattern

HINT: 

GTY906472Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the GTS to the DLC3.
  2. Turn the ignition switch to ON.
  3. Turn the GTS 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 [A].
  7. Turn the GTS on.
  8. Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher with all the accessories switched off [B].
  9. With the engine warmed up, idle the engine for 2 minutes or more [C].
  10. Drive the vehicle at a speed between 60 and 100 km/h (37 and 62 mph) for 5 minutes or more [D].
    WARNING:

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

  11. Enter the following menus: Powertrain / Engine / Trouble Codes [E].
  12. Read the pending DTCs.

    HINT: 

    If a pending DTC is output, the system is malfunctioning.