Hyundai Sonata: Photo Sensor Description and Operation - Air Conditioning System - Heating, Ventilation and Air ConditioningHyundai Sonata: 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 ...

    See also:

    Engine Mounting Components and Components Location
    Components 1. Transaxle mounting bracket2. Roll road bracket3. Engine mounting bracket4. Engine mounting support bracket ...

    Power Window Switch. Repair procedures
    Inspection Power Window Main Switch Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the front door trim panel. ...

    Rheostat Components and Components Location
    Components ...