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:
Console box
Lift the lid while pulling up the
lever to release the lock.
When using the console box lid as an armrest (vehicles with slide
function)
Slide the console box lid forward as
needed. Pull the lid forward by holding the
front of the lid.
Caution
Console box adjustment precaution
D ...
Data list / active test
Hint:
Using the intelligent tester's data list allows switch, sensor,
actuator and other item values to be read without removing
any parts. Reading the data list early in troubleshooting is
one way to save time.
Data list for occupant classification ecu
Connect the intelligent test ...
Battery current sensor circuit
Description
The battery current sensor installed on the positive (+) battery terminal
detects the amount of current
supplied from the generator.
The battery current sensor changes current to voltage (at the positive (+)
battery terminal) and sends it to
the ecm. The ecm controls th ...