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

1. Preconditions

The monitor will not run unless:

• The mil is off.

2. 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.

3. Monitor status

Check the readiness monitor status displayed on the tester.

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

3. Evap system monitor (key off type)

1. Preconditions

The monitor will not run unless:

• The fuel tank is less than 90% full.
• The altitude is less than 8,000 ft. (2,450 M).
• The vehicle is stationary.
• The engine coolant temperature is between 4.4°C and 35°c (40°f and 95°f).
• The intake air temperature is between 4.4°C and 35°c (40°f and 95°f).
• Vehicle was driven in a city area (or on freeway) for 10 minutes or more.

2. 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.

3. 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.