Kia Optima: Air Conditioning System / Auto Defogging Sensor

Kia Optima DL3 2019-2024 Service and Repair Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Auto Defogging Sensor

Description and operation

Description

The auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuator, blower motor rpm, and mode actuator.

Repair procedures

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the inside rear view mirror cover (A),(B).

3.	Separate the auto defogging sensor connector (A) and remove the auto defogging sensor (B).

To install, reverse the removal procedure.

•	Make sure connectors are connected properly.

Ambient Temperature Sensor

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Cluster Ionizer

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Other information:

Kia Optima DL3 2019-2024 Owner's Manual: Automatic climate control system

To defog inside windshield 1. Set the fan speed to the desired position. 2. Select desired temperature. 3. Press the defroster button (). 4. The outside (fresh) air position will be selected automatically and the air conditioning will turn on according to the detected ambient temperature. I ...

Kia Optima DL3 2019-2024 Owner's Manual: Light bulb position (Front)

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