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: Cruise Control Switch Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the steering wheel assembly. 3. Remove the screws from the steering back cover (A). 4. Remove the steering remote control connector (A). 5. Remove the steering remote control (A) af ...

Hyundai Elantra AD (2016-2020) Owners Manual: Cruise Control
Cruise Control Operation 1. Cruise indicator 2. SET indicator (Type A) / Set speed (Type B) The Cruise Control system allows you to drive at speeds above 20 mph (30 km/h) without depressing the accelerator pedal. WARNING Take the following precautions: Always set the vehicle speed under ...