The Body Computer M001, which manages a large part of the function, converses with the engine management control unit M010 (pins 40 and 64 of connector B for the 1.3 MJet version; pins 36 and 52 of connector B for the 1.4 8v version; pins 88 and 89 of connector B for the 1.4 16v TJet version) via the CAN from pins 44 and 45 of connector D. See E1050 CAN CONNECTION LINES In addition, the Body Computer M001 is connected to the instrument panel E050, via the CAN, sending signals that the dedicated warning light is on, from pins 24 and 25 of connector A of M001, to pins 6 and 5 of E050.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.Lastly, the Code aerial P091 is connected to the Body Computer at pins 7 (positive) and 8 (negative) of connector D of M001.