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 75°c (167°f) or more. Cumula ...

Other materials:

How to proceed with troubleshooting
Hint: Perform troubleshooting in accordance with the following flowchart. *: Use the intelligent tester. Vehicle brought to workshop Inspect battery voltage Standard voltage: 11 to 14 v If the voltage is below 11 v, recharge or replace the battery before proceeding. Pr ...

Components
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Electronic control
Removal and installation of battery terminal Notice: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal. Before performing electronic work, disconnect the cable from the negative (-) battery terminal to ...

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