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) 2018-2021 Service Manual: Cylinder Head Cover Repair procedures
Removal 1. Remove the engine cover. (Refer to Engine and Transmission Assembly - "Engine Cover") 2. Disconnect the battery negative terminal. 3. Remove the air clean hose. (Refer to In ...

Hyundai Kona (OS) 2018-2021 Service Manual: Head Lamp Leveling Switch Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the lower cra ...

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