Toyota RAV4 manuals

Toyota RAV4 Service Manual: Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor type)

Toyota RAV4 Service Manual / 2Az-fe engine mechanical / Sfi system / Readiness monitor drive pattern / Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor type)

Toyota RAV4. Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor 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.
  6. Allow the engine to idle for 10 minutes or more.
  7. Drive the vehicle at 40 km/h (25 mph) or more for at least 2 minutes.
  1. Monitor status
  1. Check the readiness monitor status displayed on the tester.

If the status does not switch to compl (complete), make sure that the preconditions have been met, and repeat steps from (5) to (7) described in the drive pattern above.

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 ...

Problem symptoms table
Hint: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "suspected area" column of th ...

Other materials:

Replacement
Replace timing chain cover oil seal Using a screwdriver and hammer, tap out the oil seal. Place the oil seal retainer on wooden blocks. Apply multi-purpose grease to the lip of a new oil seal. Notice: Keep the lip free of foreign objects. Using sst and a hammer, tap in a ...

Front passenger side - side airbag sensor assembly initialization incomplete
Description The side airbag sensor rh consists of parts including the diagnostic circuit and the lateral deceleration sensor. When the center airbag sensor receives signals from the lateral deceleration sensor, it determines whether or not the srs should be activated. Dtc b1628/82, ...

Problem symptoms table
Hint: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Re ...

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