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:
Components
1. HECU module
2. Front wheel speed sensor
3. ESP OFF Switch
4. Rear wheel speed sensor (2WD)
5. Rear wheel speed sensor (4WD)
...
Keep the battery securely mounted.
Keep the battery top clean and dry.
Keep the terminals and connections clean, tight, and coated with petroleum
jelly or terminal grease.
Rinse any spilled electrolyte from the battery immediately with a solution
of water and baking soda.
If the v ...