Kia Optima: Air Conditioning System / Auto Defogging Sensor

Kia Optima DL3 2019-2021 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 2019-2021 Owner's Manual: Temperature control


The temperature will increase to the maximum (HI) by turning the knob to the extreme right. The temperature will decrease to the minimum (Lo) by turning the knob to the extreme left. When turning the knob, the temperature will increase or decrease by 0.5°C/1°F. When set to the lowest tem ...

Kia Optima DL3 2019-2021 Service and Repair Manual: Parking Brake System


Components and components location Components 1. Parking brake pedal assembly 2. Front parking brake cable 3. Equalizer assembly 4. Rear parking brake cable 5. Rear caliper assembly ...

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