black — 1, 2 — ground
white — 3 — CAN High
blue — 4 — ISO 9141–2 K-Line
green — 5 — СAN Low
yellow/black — 6 — J1850 BUS-
yellow — 7 — J1850 BUS+
purple — 8 — ISO 9141–2 L–Line
red — 9 — +12V