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: Variable Intake Solenoid(VIS) Actuator Repair procedures
Removal and Installation 1. Disconnect the vacuum hose (A). 2. Remove the variable Intake solenoid (VIS) actuator connector (B) and actuator (C). Tightening torque : 9.8 ~ 11.8N.m (1.0 ~ 1.2kgf.m, 7.2 ~ 8.7lb-ft) 3. Install in the reverse order of removal. ...

Hyundai Elantra AD (2016-2020) Owners Manual: Steering Wheel
Electric Power Steering (EPS) The system assists you with steering the vehicle. If the engine is turned off or if the power steering system becomes inoperative, you may still steer the vehicle, but it will require increased steering effort. Should you notice any change in the effort required t ...