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) Service Manual: Inhibitor Switch Description and Operation
Description • The inhibitor switch mounted on the upper of transaxle and connected with shifter lever. • The inhibitor switch has four points of contact and it makes the signals(S1, S2, S3, S4). • The inhibitor switch signals delivered at the TCM according to control of t ...

Hyundai Elantra AD (2016-2020) Owners Manual: Important Safety Precautions
You will find many safety precautions and recommendations throughout this section, and throughout this manual. The safety precautions in this section are among the most important. Always Wear Your Seat Belt A seat belt is your best protection in all types of accidents. Air bags are designed ...