At turning on of the conditioner on the control unit the engine from the conditioner switch (fig. 2.269)
moves tension of the storage battery. Having received a signal of turning on of the conditioner, EBU gives out command for a regulator of idling and turns on the power transistor of system of ignition. After that запитывается the winding of the power relay of the conditioner which works and turns on the electromagnetic coupling of the compressor of the conditioner.