Toyota RAV4 manuals

Toyota RAV4 Service Manual: Air-fuel ratio (a/f) and heated oxygen (ho2) sensor monitors (active air-fuel ratio control 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 monitors (active air-fuel ratio control type)

Toyota RAV4. Air-fuel ratio (a/f) and heated oxygen (ho2) sensor monitors (active air-fuel ratio control type)


  1. Preconditions

The monitor will not run unless:

  1. Drive pattern for front a/f sensor and ho2 sensor
  1. Connect the intelligent tester to the dlc3.
  2. Turn the ignition switch on.
  3. Turn the tester on.
  4. Clear dtcs (see page es-35).
  5. Start the engine, and warm it up until the ect reaches 75°c (167°f) or higher.
  6. Drive the vehicle at between 60 km/h (38 mph) and 120 km/h (75 mph) for at least 10 minutes.
  7. Change the transmission to 2nd gear.
  8. Accelerate the vehicle to 64 km/h (40 mph) or more by depressing the accelerator pedal for at least 10 seconds.
  9. Soon after performing step (8) above, release the accelerator pedal for at least 4 seconds without depressing the brake pedal, in order to execute fuelcut control.
  10. Allow the vehicle to decelerate until the vehicle speed declines to less than 10 km/h (6 mph).
  11. Repeat steps from (8) through (10) above at least 3 times in one driving cycle.
  1. Monitor status
  1. Check the readiness monitor status displayed on the tester.
  2. If the status does not switch to compl (complete), make sure that the preconditions have been met, and then perform steps from (5) through (11) in the drive pattern above.
Catalyst monitor (active air-fuel ratio control type)
Preconditions The monitor will not run unless: The mil is off. Drive pattern Connect the intelligent tester to the dlc3. Turn the ignition switch on. Turn the tester on. ...

Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor type)
Preconditions The monitor will not run unless: The mil is off. Drive pattern Connect the intelligent tester to the dlc3. Turn the ignition switch on. Turn the tester on. ...

Other materials:

Parking brake cable
Components Removal Remove rear console box sub-assembly Remove the rear console box (see page ip-16). Hint: Refer to the procedures from the removal of the no. 1 Console upper panel garnish up until the removal of the rear console box sub-assembly. Loosen lock nut and no. ...

Turn signal light circuit
Description The turn signal flasher relay (marking: flsh) in the main body ecu turns on when it receives signals from the headlight dimmer switch integrated with the turn signal switch, causing the turn signal lights to flash. Wiring diagram Inspection procedure Check operation of t ...

Front airbag sensor rh circuit malfunction
Description The front airbag sensor rh consists of the diagnostic circuit, the frontal deceleration sensor, etc. If the center airbag sensor assembly receives signals from the frontal deceleration sensor, it determines whether or not the srs should be activated. Dtc b1610/13 is recor ...

© 2011-2020 Copyright www.trav4.net