Data link connector (OBD2)

Location

OBD2 port on the Tiburon is hidden behind the fusebox cover located right under the steering wheel.

OBD2 port (bottom right corner, black connector on silver plate)

Pinout

Female (vehicle's side) OBD-II connector pinout - front view

1		9
2	Bus positive Line	10	Bus negative Line
3	Vehicle Speed sensor Going directly into pin 3 of vehicle's speed sensor	11
4	Chassis ground	12	Airbag Goes into pin 16 of BCM's BCM-IM connector
5	Signal ground ("Sensor ground")	13
6	CAN high (ISO 15765-4 and SAE J2284)	14	CAN low (ISO 15765-4 and SAE J2284)
7	K-line (ISO 9141-2 &/ KWP2000)	15	Battery voltage L-line (ISO 9141-2 &/ KWP2000) in Hyundai diagrams it's called DCT and it's routed to BCM's "V-PUP" pin.
8	ABS/ESP Goes directly into ABS/ESP module and the "ESC AIR BLEEDING CONNECTOR" (if equipped with traction control)	16	Battery voltage ("Memory Power") +12 Volt

For more CAN information, see SIMK43 CAN Bus