Hyundai Kona: Air Conditioning System / Photo Sensor Description and operation

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) 2018-2026 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Remove the ECTS. (Refer to "Removal") 3. After immersing the thermistor of the sensor into engine coolant, measure resistance between the EC ...

Hyundai Kona (OS) 2018-2026 Owners Manual: System malfunction
Check Driver Attention Warning (DAW) system When the "Check Driver Attention Warning (DAW) system" warning message appears, the system is not working properly. In this case, we recommend that you have the vehicle inspected by an authorized HYUNDAI dealer. WARNING The Driver Attention Warning (D ...