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HOMESERVICE MANUALSTOYOTA2005ECHO 2D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONOBD-II DRIVE CYCLESDRIVE CYCLESCATALYTIC CONVERTERCATALYTIC CONVERTER DRIVE CYCLE 7
2005 Toyota ECHO 2D Sedan, Standard

Catalytic Converter Drive Cycle 7

2005 Toyota ECHO 2D Sedan, StandardSECTION Catalytic Converter Drive Cycle 7
Fig 1: Drive Cycle Pattern 7
G00526367Courtesy 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 DTCs (even if no DTCs are stored, perform the clear DTC operation).
  5. Turn the engine switch off and wait for at least 30 seconds.
  6. Turn the engine switch on (IG) and turn the Techstream on.
  7. Enter the following menus: Powertrain / Engine and ECT / Monitor / Current Monitor.
  8. Check that Catalyst Efficiency / Current is Incomplete.
  9. Start the engine and warm it up until the engine coolant temperature is 75°C (167°F) or higher [A].
  10. Drive the vehicle at approximately 60 km/h (38 mph) for 10 minutes or more [B].
    NOTE:
    • Drive the vehicle while keeping the engine load as constant as possible.
    • The monitor item will change to Complete as the catalyst efficiency monitor operates [C].
  11. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  12. Check if any DTCs (pending DTCs) are stored.
    NOTE: If the monitor does not change to Complete, and no pending DTCs are stored, perform the following procedure.
  13. Drive the vehicle at a speed between 75 and 100 km/h (47 and 63 mph) for 10 minutes or more [D].
    NOTE:
    • Drive the vehicle while keeping the engine load as constant as possible.
    • The monitor item will change to Complete as the catalyst efficiency monitor operates [E].
  14. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
  15. Check if any DTCs (pending DTCs) are stored.
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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.