Kia 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

...

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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