Toyota RAV4 (XA40) 2013-2018 Service Manual: Readiness monitor drive pattern
- Purpose of readiness tests
- Catalyst monitor (active air-fuel ratio control type)
- Air-fuel ratio (a/f) and heated oxygen (ho2) sensor monitors (active air-fuel ratio control type)
- Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor type)
Checking monitor status
Perform monitor drive pattern
Connect the intelligent tester to the dlc3.
Turn the ignition switch and the tester on.
Clear the dtcs (see page es-35).
Run the vehicle in accordance with ...
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 ...
Other materials:
Oxygen (a/f) sensor signal stuck
Hint:
Although the dtc titles say oxygen sensor, these dtcs relate to the
air-fuel ratio (a/f) sensor.
Sensor 1 refers to the sensor mounted in front of the three-way
catalytic converter (twc) and
located near the engine assembly.
Description
The a/f sensor generates a voltage* ...
Inspection
Inspect water pump assembly
Visually check the drain hole for coolant leakage.
If leakage is found, replace the water pump
assembly.
Turn the pulley, and then check that the water pump
bearing moves smoothly without making a "click"
noise.
If it does not move s ...
Brake warning light does not come on
Wiring diagram
Refer to the brake warning light circuit (see page bc-145).
Inspection procedure
Check can communication system
Check if the can communication system dtc is output
(see page ca-34).
Result
Perform active test by intelligent tester (brake warning light)
...
