The timed switching on of the driver''s side G051 and passenger side G052 door courtesy lights is managed by the Body Computer M001 which receives negative "door open" signals respectively:- at pin 11 of connector B (driver''s front door, via the internal contact at the geared motor N050 - pin 1 -);- at pin 34 of connector B (passenger-side front door, via the internal contact at geared motor N051 - pin 1 -).The lights G051 and G052 are supplied by the Body Computer M001 (pin 32 of connector B) according to the logic described previously.The Body Computer receives a power supply from the battery, via the line protected by fuse F1 located in the engine compartment junction unit B001. It also receives an ignition-controlled power supply (INT) from the ignition switch H001. The reference earth reaches pins 10 and 19 of connector A of M001.