Hyundai Kona: Air Conditioning System / 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 transferred to the automatic temperature control module so that the solar radiation compensation will be performed.
In-car Sensor Repair procedures
Diagnosis With GDS 1. The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS). ...

Photo Sensor Repair procedures
Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive l ...

Other information:

Hyundai Kona (OS) 2018-2020 Owners Manual: Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant concentration level at least once a year, at the beginning of the winter season, and before traveling to a colder climate ...

Hyundai Kona (OS) 2018-2020 Service Manual: Head Up Display Unit Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the instrument cluster. (Refer to Indicators And Guages - "Instrument Cluster") 3. Remove the h ...

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