N30 – a nozzle of the 1st cylinder; N31 – a nozzle of the 2nd cylinder; N32 – a nozzle of the 3rd cylinder; N33 – a nozzle of the 4th cylinder; N71 – the stabilization valve idling;
J169 – the Digifant control unit; J176 – the relay of stabilization of frequency idling rotations; G39 – a lambda probe