Hyundai Ioniq: Air Conditioning System / Photo Sensor. Description and operation

Hyundai Ioniq (AE) 2017-2024 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 GDS1.The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).※ The diagnostic system (GDS) provides the following information...

Photo Sensor. Repair procedures

Inspection1.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...

Other information:

Hyundai Ioniq (AE) 2017-2024 Service Manual: Specifications

SpecificationsSmart Key Unit Items Specification Rated voltageDC 12VOperating voltageDC 9 - 16VOperating temperature-22°F to 167°F (-30°C to 75°C)LoadMax. 4mA (When welcome light function off)RF Receiver Items Specification Frequency433...

Hyundai Ioniq (AE) 2017-2024 Service Manual: Repair procedures

Removal1.Disconnect the negative (-) battery terminal.2.Remove the glove box.(Refer to Body - "Glove Box Upper Cover Assembly")3.Remove the smart key unit.(Refer to Body - "Smart Key Unit")4.Disconnect the body control module connectors (B).5.Remove the body control module (A) after loosening the mounting nuts...