Kia Sportage: Air conditioning System / Auto Defogging Sensor (DATC only) Description and operation
Installed on the windshield glass, the auto defogging sensor judges and sends
signal to blow out wind for defogging if moisture occurs. On receiving the signal
from the sensor, the air conditioner control module restrains moisture and eliminates
fog by controlling the intake actuator, A/C, auto defogging actuator, blower
motor rpm, and mode actuator.

Inspection
1.
Turn the ignition switch OFF.
2.
Remove the front bumper.
(Refer to Body - "Front Bumper Cover")
...
Inspection
To inspect and diagnose the sensor, refer to Self-Diagnosis procedure and DTC
guide.
Replacement
1.
Disconnect the negative (-) bat ...
Other information:
Inspection
1.
Switch "OFF" ignition.
2.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
3.
Disconnect the solenoid valve connector (A).
...
Inspection
Seat Control Switch
1.
With the power seat switch in each position, make sure that continuity
exists between the terminals below. If continuity is not as specified,
replace the power seat switch.
[Manual seat control switch]
...