OBD Pin outOnline version Identify the terminals of the OBD pin out by clive 1 manufacturers option 2 J1850 bus + 3 manufacturers option 4 chassis ground 5 signal ground 6 Can High 7 iso K line 8 manufacturers option 9 manufacturers option 10 J1850 Bus - 11 Manufacturers option 12 Manufacturers option 13 Manufacturers option 14 Can Low 15 ISO L Line 16 Battery +