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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONOBD-II DRIVE CYCLESDRIVE CYCLESEVAPEVAP DRIVE CYCLE 8EVAP MONITOR (KEY-OFF MONITOR)
2004 Toyota Matrix XR, FWD, Standard

EVAP Monitor (Key-Off Monitor)

2004 Toyota Matrix XR, FWD, StandardSECTION EVAP Monitor (Key-Off Monitor)
  1. Preconditions

    The monitor will not run unless:

    • The vehicle has been driven for 10 minutes or more (in a city area or on a freeway)
    • The fuel tank is less than 90% full
    • The altitude is less than 2,438 m (8,000 ft.)
    • The Engine Coolant Temperature (ECT) is between 4.4°C and 35°C (40°F and 95°F)
    • The Intake Air Temperature (IAT) is between 4.4°C and 35°C (40°F and 95°F)
    • The vehicle remains stationary (the vehicle speed is 0 km/h [0 mph])

  2. Monitor Conditions
    1. Allow the engine to idle for at least 5 minutes.
    2. Turn the engine switch off and wait for 5 to 10 hours.
      NOTE: Do not start the engine until checking Monitor Status. If the engine is started, the steps described above must be repeated.
  3. Monitor Status
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG) and turn the Techstream on.
    3. Enter the following menus: Powertrain / Engine and ECT / Monitor / Evaporative System.
    4. Check the Monitor Status displayed on the Techstream.
      NOTE: If Incomplete is displayed, the monitor is not complete. Make sure that the preconditions have been met, and perform the Monitor Conditions again.
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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.