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 Owners Manual: Ignition switch
To reduce the risk of SERIOUS INJURY or DEATH, take the following precautions: NEVER allow children or any person who is unfamiliar with the vehicle to touch the ignition switch or related parts. Unexpected and sudden vehicle movement can occur. NEVER reach through the steering wheel for the ...

Hyundai Kona (OS) 2018-2025 Owners Manual: How does the air bags system operate?
The SRS consists of the following components: (1) Driver's front air bag module (2) Passenger's front air bag module (3) Side air bag modules (4) Curtain air bag modules (5) Rear retractor pre-tensioner (if equipped) (6) Retractor pre-tensioner assemblies (7) Air bag warning light (8) SRS contro ...

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