09-6
3. RAIN SENSOR RELATED CIRCUIT
The rain sensor has one connector with 4 pins and each pin has following function as shown in the
circuit diagram. However, in this vehicle, the terminal No. 1 and No. 2 are for communications between
STICS and the rain sensor; the No. 1 terminal sends the detected value from the rain sensor to STICS
then the STICS drives wiper motor.
No. 2 terminal sends the wiper and washer operation information such as
washer operation mode,
wiper relay, or
multifunction wiper switch is in AUTO wiper position
to the rain sensor to recognize whether it is actual rain or it is in rain sensing wiper operation mode.
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