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) 2018-2021 Service Manual: Thermostat Troubleshooting
Troubleshooting Symptoms Possible Causes Remedy Coolant leakage • From the thermostat gasket Check the mounting bolts • ...

Hyundai Kona (OS) 2018-2021 Service Manual: Hood Weatherstrip Repair procedures
Replacement 1. Remove the hood weatherstrip (A).    • Be careful not to scratch the hood weatherstrip. ...