Kia Optima DL3: 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.

    Description and operation Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature.

    Components and components location Components Location 1. Condenser Description and operation Description The cluster ionizer makes disinfection and decomposition of bad smell from the air-conditioner or inflow air.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: Photo Sensor

    Description and operation Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is

    Kia Optima DL3 2019-2026 Service and Repair Manual: Blower Motor

    Repair procedures Inspection 1. Connect the battery voltage and check the blower motor rotation. 2. If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.

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