Kia Cadenza YG: Air Conditioning System / Photo Sensor Description and Operation

Kia Cadenza YG 2016-2021 Service Manual / Heating,Ventilation, Air Conditioning / Air Conditioning System / Photo Sensor Description and Operation

Description
1.
The photo sensor is located at the center of defrost nozzle.
2.
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 transferred to the automatic temperature control module so that the solar radiation compensation will be performed.

    Inspection 1. Ignition "OFF". 2. Disconnect evaporator temperature sensor. 3. Using the multi-tester, Measure resistance between terminal "1" and "2" of evaporator temperature sensor.

    Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Special Service Tools

    S

    Kia Cadenza YG 2016-2021 Service Manual: Refrigerant line Repair procedures

    Replacement 1. Discharge refrigerant from refrigeration system. 2. Replace faulty tube or hose.     Cap the open fittings immediately to keep moisture or dirt out of the system. 3. Tighten joint of bolt or nut to specified torque.

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