Kia Optima: Intake Air Temperature Sensor (IATS). Description and OperationTo calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature. So the ECM uses not only MAPS signal but also IATS signal. This sensor has a Negative Temperature Coefficient (NTC) Thermister and it's resistance changes in reverse proportion to the temperature.

Installation
Intake Air Temperature Sensor (IATS). SpecificationsUse approved window washer
anti-freeze in system
To keep the water in the window washer
system from freezing, add an approved
window washer anti-freeze solution in
accordance with instructions on the container.
Window washer anti-freeze is
...
Dimensions
*1 : with R16 tire
*2 : with R17 tire
*3 : with R18 tire ...
Removal
1.
Disconnect the negative (-) battery
terminal.
2.
Remove the crash pad lower panel
(A).
3.
Remove the reinforce panel after
loosening th ...