Toyota RAV4 manuals

Toyota RAV4 Service Manual: Catalyst monitor (active air-fuel ratio control type)

Toyota RAV4 Service Manual / 2Az-fe engine mechanical / Sfi system / Readiness monitor drive pattern / Catalyst monitor (active air-fuel ratio control type)

Toyota RAV4. Catalyst monitor (active air-fuel ratio control type)


  1. Preconditions

The monitor will not run unless:

  1. Drive pattern
  1. Connect the intelligent tester to the dlc3.
  2. Turn the ignition switch on.
  3. Turn the tester on.
  4. Clear dtcs (if set) (see page es-35).
  5. Start the engine and warm it up.
  6. Drive the vehicle at between 40 mph and 70 mph (64 Km/h and 113 km/h) for at least 10 minutes.
  1. Monitor status

Check the readiness monitor status displayed on the tester.

If the status does not switch to compl (complete), extend the driving time.

  1. Evap system monitor (key off type)

  1. Preconditions

The monitor will not run unless:

  1. Monitor conditions
  1. Turn the ignition switch off and wait for 6 hours.

Hint:

Do not start the engine until checking readiness monitor status. If the engine is started, the step described above must be repeated.

  1. Monitor status
  1. Connect the intelligent tester to the dlc3.
  2. Turn the ignition switch on.
  3. Turn the tester on.
  4. Check the readiness monitor status displayed on the tester.

If the status does not switch to compl (complete), restart the engine, make sure that the preconditions have been met, and then perform the monitor conditions again.

Purpose of readiness tests
The on-board diagnostic (obd ii) system is designed to monitor the performance of emission related components, and indicate any detected abnormalities with dtc (diagnostic trouble codes). Sin ...

Air-fuel ratio (a/f) and heated oxygen (ho2) sensor monitors (active air-fuel ratio control type)
Preconditions The monitor will not run unless: 2 Minutes or more have elapsed since the engine was started. The engine coolant temperature (ect) is 75c (167f) or more. Cumulati ...

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General maintenance (2006/01- )
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For vehicles equipped with catalytic converter caution:
If a large amount of unburned gasoline or gasoline vapors flow into the converter, it may cause overheating and create a fire hazard. To prevent this, observe the following precautions. Use only unleaded gasoline. Avoid idling the engine for more than 20 minutes. Avoid performing unnecess ...

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