Hyundai Kona: Air Conditioning System / 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 rise with higher intensive light and reduce with lower intensive light.

1. Auto light signal
2. Auto light ground
3. Photo signal (RH)
4. LED power (B+)
5. LED ground (To BCM)
6. Photo signal (LH)
7. Photo power
8. Auto light power (5V)

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
With a flat-head screwdriver, remove the photo sensor (A) from the center of the defrost nozzle after disconnecting the connector (B).

3.
To install, reverse the removal procedure.
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 radiati ...

Ambient Temperature Sensor Description and operation
Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will ...

Other information:

Hyundai Kona (OS) 2018-2025 Service Manual: Battery Sensor Description and operation
Description Vehicles have many control units that use more electricity. These units control their own system based on information from diverse sensors. It is important to have a stable power supply as there diverse sensors giving a variety of information. Battery sensor is m ...

Hyundai Kona (OS) 2018-2025 Service Manual: Room Lamp Repair procedures
Removal [Room Lamp] 1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, Separate the room lamp lens (A) from the room lamp. &n ...

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