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) 2018-2021 Service Manual: Manifold Absolute Pressure Sensor (MAPS) Repair procedures
Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the MAPS at idle and IG ON. Specification : Refer to "Specification" Remo ...

Hyundai Kona (OS) 2018-2021 Service Manual: Cylinder Head Cover Repair procedures
Removal 1. Remove the engine cover. (Refer to Engine and Transmission Assembly - "Engine Cover") 2. Disconnect the battery negative terminal. 3. Remove the air clean hose. (Refer to In ...

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