Toyota Corolla (E170) 2014–2019 Owners Manual / Maintenance and care / Maintenance / General maintenance / Engine compartment
Toyota Corolla (E170): Engine compartment

Other materials:
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 ...
Circuit description
When a misfire occurs in the engine, hydrocarbons (hc) enter the exhaust in
high concentrations. If this hc
concentration is high enough, there could be an increase in exhaust emissions
levels. High concentrations
of hc passing through the catalyst also cause to temperature of the catalyst to ...
Setup menu
You can adjust the multimedia system to your desired settings.
Display “Setup” screen
Press the “SETUP” button to display the “Setup” screen.
1 Select to adjust the settings for operation sounds, screen animation, etc.
2 Select to set the voice settings.
3 Select to adjust the s ...


