note
Emit intensive light toward driver side and passenger side using a lamp, and check the current change between terminals 1 & 2.
The photo sensor is located by the driver side defrost nozzle. In response to photo intensity level in vehicle, the sensor will send signal to controlmodule to control the blower level and discharge temperature.
Emit intensive light toward driver side and passenger side using a lamp, and check the current change between terminals 1 & 2.
