Kia Cadenza YG: Air Conditioning System / Photo Sensor Repair procedures

Inspection
1.
Ignition "ON"
2.
Using the scan tool.
3.
Emit intensive light toward 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 GND
3. Photo Signal (RH)
4. Led power (BAT)
5. Led GND (To BCM)
6. Photo Signal
7. Photo Power (SW)
8. Auto Light Power (5V)

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
With the (-) driver, remove the photo sensor (A) from the center of defrost nozzle.

3.
Install in the reverse order of removal.

    Description 1. The photo sensor is located at the center of defrost nozzle. 2. The photo sensor contains a photovoltaic (sensitive to sunlight) diode.

    Description 1. 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 increase with lower temperature, and decrease with higher temperatures.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Description and Operation

    Description System Operation Typically, lane departure warning is activated at a speed over 70 KPH, but suppressed in case of unintentional lane departure when driver do not operate turn signal. System Operation Conditions 1. User Conditions (1) When unintended lane departure is occured, warnings are generated.

    Kia Cadenza YG 2016-2021 Service Manual: Blower Unit Components and Components Location

    Component Location Components 1. Duct Seal2. Duct Case3. Inlet Door4. Intake Actuator5. Inlet Duct Case (A)6. Climate control air filter7. Cluster Ionizer8. Climate control air filter Cover9. Blower Upper Case10. Blower Lower Case11. FET12. Resistor13.

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