The body computer M01 receives a supply controlled by the ignition (INT) and a direct supply at pins 11 of connector E nd pin A of connector C, respectively for the junction unit under the dashboard B02.Fuse F1 in engine compartment junction unit B01 protects the direct power supply.Connector B of the body computer represents the connection interface for the external diagnostic tool (EXAMINER):- pin 1, for ABS control unit M50: from pin 7 at pin 16 connector C of the body computer;- pin 3, for Air-Bag control unit M60: from pin 7 connector A at pin 12 connector E of the body computer;- pin 7, for engine control unit M10 (for the Natural Power version, also for the methane injection control unit M19) respectively:- from pin 10 connector A (1.4 8v);- from pin 88 connector A (1.3 JTD);- from pin 25 connector A (1.9 JTD);- from pin 25 connector A of M10 and pin 3 connector A of M19 (Natural Power),at pin 20 connector C of Body Computer M01.Pin 16 connector B supplies a line (battery +30) protected by fuse F39 of under-dashboard junction unit B02.Pins 4 and 5 of connector B of M01 are earthed.