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: Coolant Repair procedures


    Replacement And Air Bleeding     Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator.     When pouring engine coolant, be sure to shut the relay box lid and not to let coolant spill on the electrical parts or the paint...

    Hyundai Sonata LF 2014-2019 Service Manual: Electric WGT Control Actuator Specifications


    Specification [EWGA Position Sensor] Position Output Voltage[V] Operating Angle[°] Range of Rod [mm], reference Mechanical Close end stop Position (MCP) 4.8 0 0 Electrical Close end stop Position (ECP) 4.2 12 1.8 Electrical Open end stop Position (EOP) 1 79 16 Mechanical Open end stop Position (MOP) 0...

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