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:
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove no. 1 Engine cover (see page es-410)
Remove air cleaner cap (see pag ...
Engine control system malfunction
Description
If a malfunction in the engine control system is detected, the operations of
vsc and trc are prohibited
by the fail-safe function. When the signals from the engine are input normally,
the fail-safe is canceled and
the dtc is not stored.
Inspection procedure
Check harn ...
Communication malfunction no. 1
Description
This dtc is output when a communication error occurs between the transponder
key amplifier and
transponder key ecu. Some possible reasons for the communication error are: 1) 2
or more ignition keys
are positioned too close together, or 2) noise is occurring in the communicatio ...
