The EOBD central tester output is built into Body Computer M1 connector C.It is supplied directly by the battery at pin 16 of the line protected by fuse F39 of underfacia junction unit B2 ; pins 4 and 5 are earthed.Similarly connector R10 is supplied directly by the battery at pin 16 of the line protected by fuse F39 of underfacia junction unit B2 ; pins 4 and 5 of R10 are earthed.Pisn 6 and 14 of M1 C and of R10 are connected to the B-CAN: this network controls and "diagnoses" the junction unit under the dashboard B2, the instrument panel E50, the Air Bag control unit M60, the seat management control units H66 and H67, the integrated radio-telephone-navigator unit P20, the Bluetooth control unit M162, the climate control system control unit M70 or the additional heater M75 and the parking sensor control unit M84. See E1050 CAN CONNECTION LINES Pin 1 of M1 C and of R10 is connected by the K line to the ABS control unit M50 (pin 11) See E7020 ABS and See E7023 ESP Pin 7 of M1 C and of R10 is connected by the K line to the engine management control unit M10 See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT or See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT The power steering control unit M86 is connected at pin 9 of M1 C and of R10 See E7045 ELECTRIC STEERING The electronics for the gas discharge headlamps F10 and F11 are connected to pin 12 of M1 C and of R10 See E3080 HEADLAMP AGLINMENT CORRECTOR The control unit for the T.P.M.S. M47 is connected to pin 13 of M1 C and of R10, at pin 17 See E7060 TYRE INFLATION PRESSURE CONTROL SYSTEM