Hyundai Sonata LF: Air Conditioning System / Photo Sensor Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Heating, Ventilation and Air Conditioning / 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 following information...

    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...

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: Hood


    Repair procedures Adjustment 1. After loosening the hinge (A) mounting bolt, adjust the hood (B) by moving it up or down, or right or left. 2. Adjust the hood height by turning the hood overslam bumpers (C). 3. After loosening the hood latch (D) mounting bolts, adjust the latch by moving it up or down, or right or left...

    Hyundai Sonata LF 2014-2019 Service Manual: Smart Key Repair procedures


    Smart Key Smart Key Code Saving 1. Connect the DLC cable of GDS to the data link connector (16 pins) in driver side crash pad lower panel, turn the power on GDS. 2. Select the vehicle model and then do "Smart Key Code Saving". 3. After selecting "Smart Key Teaching" menu, push "ENTER" key, then the screen will be shown as below...

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