Kia Optima: Air Conditioning System / Auto Defogging Sensor

Kia Optima DL3 2019-2022 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).

4.

To install, reverse the removal procedure.

  

Make sure connectors are connected properly.

Ambient Temperature Sensor
Description and operation Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; res ...

Cluster Ionizer
Components and components location Components Location 1. Condenser Description and operation Description The cluster ionizer makes disin ...

Other information:

Kia Optima DL3 2019-2022 Owner's Manual: System malfunction


When the FCA is not working properly, the FCA warning light () will illuminate and the warning message will appear for a few seconds. After the message disappears, the master warning light () will illuminate. In this case, have the vehicle inspected by an authorized Kia dealer. Th ...

Kia Optima DL3 2019-2022 Owner's Manual: Manual climate control system


To defog inside windshield 1. Set the fan speed to the desired position. 2. Select desired temperature. 3. Select the or position. 4. The outside (fresh) air and air conditioning will be selected automatically. If the air conditioning and/or outside (fresh) air position are not selected ...

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