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: Head Lamps Description and Operation
HID Head Lamp 1. Bulb (1) Elements Xenon gas : Xenon gas activates the initial reaction for rapid illuminating. Molybdenum electrode: anode arcing Metal halide salts: color composing component (2) Lightening principle When Xenon gas and metal halide salt will discharge the molybdenum a ...

Hyundai Sonata LF 2014-2019 Service Manual: Catalytic Converter Description and Operation
Description The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx). [WCC] [UCC] ...

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