•  The PCM determines the engine operation conditions based on input signals from the sensors, calculating the optimum fan motor rotation speed as the fan motor drive duty ratio, and sends a signal to the fan control module to control the cooling fan rotation speed.

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1	ECT sensor
2	PCM temperature sensor (Without throttle valve actuator)
3	TP sensor
4	Vehicle speed signal
5	A/C on request signal
6	Refrigerant pressure switch (low pressure switch, high pressure switch)
7	Refrigerant pressure switch (medium pressure switch)
8	Battery
9	APP sensor (With throttle valve actuator)
10	Fan control module