System Outline: Notes
The radiator fan motor and A/C condenser fan motor operate according to the water temp. SW (Inverter), A/C single pressure SW, engine coolant temp. and the A/C system condition. The FAN NO. 1 relay, FAN NO. 2 relay, FAN NO. 3 relay are turned on/off, to operate the fan motors at low speed (In series), or high speed (In parallel).