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: SRS Control Module (SRSCM) Description and Operation
Description • Supplemental Restraint System Control Module (SRSCM) determines whether and when to deploy air bag module, seat belt pretensioner (BPT) and emergency fastenig device (EFD). • It supplies the air bag module with the power required to deploy the module or the BPT and ...

Hyundai Elantra AD (2016-2020) Service Manual: Memory power seat switch Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the driver door trim. (Refer to Body - "Front Door Trim") 3. Disconnect the memory power seat switch connector (A). 4. Remove the memory power switch (A) after disengaging the mounting clips. Installation 1. Ins ...