Hyundai Elantra: Air Conditioning System / Photo Sensor Description and Operation

Hyundai Elantra AD (2016-2020) 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 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 Elantra AD (2016-2020) Owners Manual: Changing tires
WARNING A vehicle can slip or roll off of a jack causing serious injury or death to you or those nearby. Take the following safety precautions: Never place any portion of your body under a vehicle that is supported by a jack. NEVER attempt to change a tire in the lane of traffic. ALWAYS ...

Hyundai Elantra AD (2016-2020) Service Manual: License Lamps Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the trunk lid panel. (Refer to Body - "Trunk Lid Trim") 3. Remove the license lamp (A) after disengaging the license lamp mounting clip (B). 4. Replace the bulb (A) after removing a lens. Installation 1. Install ...