Hyundai Sonata: 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). ? The diagnostic system (GDS) provides the follow ...

Photo Sensor Repair procedures
Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 4. The voltage will ri ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Clutch Actuator Assembly Repair procedures
Removal 1. Remove the air cleaner assembly and air duct. (Refer to Engine Mechnical System - "Air cleaner") 2. Remove the TCM. (Refer to Dual Clutch Transmission - "TCM") 3. Remove the battery and tray. (Refer to Engine Electrical System - "Battery") 4. Disconnect the clutch actua ...

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location 1. Windshield wiper arm & blade2. Wiper & washer switch3. Windshield washer hose & nolzzle4. Washer reservoir5. Washer motor6. Washer fluid level sensor7. Wiper motor & linkage assembly8. Wiper High/Low relay (Built - in Metal core block PCB) ...

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