VAG MED 17 ECU - PINOUT BASIC CONNECTION - PINOUT FOR BOSCH MED17 ENGINE CONTROL UNITS, USED IN VAG CARS 5 : +12V ( term.15 ) 1 : GND ( term. 31 ) 87 : +12V ( term. 30 ) 92 : +12V ( term. 30 ) 68 : CAN High 67 : CAN Low