The Body Computer M1 receives "door open" input signals at pin 11 (driver''s front door) and pin 22 (left rear door) of connector D and at pin 34 (front passenger door) and pin 35 (right rear door) of connector E of M1.Front courtesy light G10 is supplied from Body Computer M1 in accordance with the strategy described previously from pin 30 of connector E, while the timed command analogue signal is received from pin 49.The middle rear courtesy light G20 is connected by a dedicated bridge on versions with a sun roof which is connected to the connections for the side courtesy lights G25 and G26; it receives a power supply, from pin 51 of connector E of M1, from the line protected by fuse F39 of the junction unit under the dashboard B2 via pin 17 of connector F of the interface with M1.Courtesy light G20 is supplied from Body Computer M1 in accordance with the strategy described previously from pin 40 of connector E, while the timed command analogue signal is received from pin 14 of connector D.The Body Computer M1 receives a direct supply from the battery via the line protected by maxifuse B99 at pin 18 of connector F of the interface with the junction unit under the dashboard B2; the ignition-controlled supply (INT) reaches pin 9 of connector F of the interface with the junction unit B2.Body Computer M1 is connected via the CAN line to instrument panel E50, to which it sends a signal that turns on the door open warning light, where necessary, and activates the buzzer to give an acoustic signal.