The centralised EOBD tester connector is built into Body ComputerM1 - connector G. It is supplied directly at pin 16 from a line from fuse F39 of underfacia control unitB2; pins 4 and 5 are earthed.Pin 1 is connected by line K to the ABS control unitM50 See E7020 ABS Pin 3 is connected by line K to the Air Bag control unitM60Pin 7 is connected to the engine management control unit M10 via a K line or . See E7030 AIRBAGPin 7 is also connected to the SELESPEED control unit M54 . If fitted, the gas discharge headlamp control units F10 and F11 are connected to pin 12. Pins 6 and 14 are connected to the B-CAN network. Underfacia control unitB2, instrument panel E50, door control unit H44, radio (or built in radio-telephone-navigator) P20 and climate control ECU M70 are monitored and ''diagnosed'' via this network. Pins 2 and 10 are supplied for testing via the C-CAN network, which is not used in this version.