Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Using the air conditioning system and defogger / Automatic air conditioning system / Air conditioning controls
Toyota Corolla (E170): Air conditioning controls
■ Adjusting the temperature setting
To adjust the temperature setting, turn
clockwise to increase the temperature
and turn 
counterclockwise to decrease
the temperature.
■ Fan speed setting
Press “>” on 
to increase the fan
speed.
Press “<” on 
to decrease the fan speed.
■ Change the airflow mode
To change the airflow, press “<” or “>” on
.
The air outlets used are switched each time either side of the button is pressed.
■ Other functions
● Switching between outside air and recirculated air modes ● Defogging the windshield ● Defogging the rear window and outside rear view mirrors
Other materials:
Inspection procedure
1 Inspect ecm(+b voltage)
Turn the ignition switch on.
measure the voltage between the terminals of the e4 and
e6 ecm connectors.
Standard:
2 Check harness and connector(ecm – body ground)
Disconnect the e4 ecm connector.
check the resistance between the wire ...
Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument
panel passenger airbag assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connector between the airbag sensor
assy center and the instrument panel ...
Circuit description
The rotary solenoid type idle air control (iac) valve is located
under the throttle body and intake air bypassing the throttle
valve flows into the iac valve through the passage.
In this way the intake air volume bypassing the throttle valve is
regulated, controls the engine speed.
The ...