Kia Optima: Inspection - Photo Sensor. Repair procedures - Air Conditioning System - Heating,Ventilation, Air Conditioning - Kia Optima TF 2011-2021 Service ManualKia Optima: 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 Signal Signal
3. Photo Signal (RH)
4. Led power (BAT)
5. Led GND (To BCM)
6. Photo Signal (LH)
7. Photo Power (SW)
8. 5V (Vcc)


Photo Sensor. Repair procedures
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Replacement
1. Disconnect the negative (-) battery terminal. 2. With the (-) driver, remove the photo sensor (A) from the center of defrost nozzle. 3. Ins ...

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Input Speed Sensor Description and Operation
Description Input speed sensor is a vital unit that measures the rate of rotation of the input shaft inside the transaxle and delivers the readings to the TCM. The sensor provides critical inpu ...

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