Toyota Corolla (E170): Initialization
Select “Initialize” using
.
● Initializing the sound settings
Select “Sound setting” using
and press
(YES).
For details about sound settings: ● Initializing the device information
Select “Car Device Info” using
and
press
(YES).
Automatic connection of a portable device, the automatic connection confirmation display and passkey will be initialized.
● Initializing all the settings
Select “All Initialize” using
and
press
(YES).
Other materials:
Have the malfunction repaired immediately. (vehicles with a smart key system)
After taking the specified steps to correct the suspected problem, check that
the warning message and light go off.
■Warning buzzer ...
Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located
before and after the catalyst
to determine whether or not the catalyst performance has deteriorated.
Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen
sensor in front of the catalyst
alterna ...
Circuit description
The intake air temperature (iat) sensor, mounted on the mass
air flow (maf) sensor, monitors the intake air temperature. The
iat sensor has a thermistor that varies its resistance depending
on the temperature of the intake air. When the air temperature
is low, the resistance in the thermisto ...


