•  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.

am3zzn00001456

1	ECT sensor
2	TP sensor
3	Vehicle speed signal (CAN)
4	A/C on request signal
5	Battery voltage
6	BARO sensor
7	Fan control module