Toyota RAV4 Service Manual: 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.
- Clear dtcs (if set) (see page es-35).
- Start the engine.
- Allow the engine to idle for 10 minutes or more.
- Drive the vehicle at 40 km/h (25 mph) or more for at least 2 minutes.
- Monitor status
- 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:
Ambient temperature sensor circuit
Description
The ambient temperature sensor is installed in the front part of the
condenser to detect the ambient
temperature and control the air conditioner. The sensor is connected to the
combination meter and
detects fluctuations in the ambient temperature. This data is used for
contr ...
Suspension & axle front shock absorber with coil spring (for sport package)
Components
Removal
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Remove front wheel
Remove front speed sensor lh (see page bc-
191)
Remove front stabilizer link assembly lh
(see page sp-30)
Remove front shock a ...
All-wheel drive lock
switch (awd models)
All-wheel drive lock mode can be used when a large amount of
drive power needs to be applied to all the wheels, such as when
the vehicle gets stuck in mud and you need to free it.
Press the switch.
The torque of the engine is distributed
to the rear wheels to the maximum
extent possible in
ac ...
