The power point/cigar lighter P50 is supplied by a line protected by fuse F54 and relay T5 of engine compartment control unit B1: this supply, ignition-operated except during start-up (INT/A), is controlled from pin 13 of connector A of M1.Body Computer M1 - connector G - is supplied directly by the battery via a line protected by maxifuse F2 of engine compartment control unit B1; it is supplied with an ignition-operated supply (INT) at pin 32 of connector D; pin 10 of connector H of M1 supplies the Body Computer with a reference earth.The rear power point P52 is supplied by a line protected by fuse F80 and relay T30 of engine compartment control unit B45: this supply, ignition-operated except during start-up (INT/A), is controlled from pin 4 of connector A of M1.