It is to the right of the steering wheel column under the dash.
The 2002 Volkswagon Beetle OBD 2 port is under dash at left side
You can find your 1994 Nissan Maxima auto scanner plug on the bottom of the drivers side dashboard. The auto scanner plug will be to the left of the steering column.
from the hood release go right to the other side of the steering wheel. under the ingition.
plug scanner's cord into the USB port
That depends on the scanner. Typically they are plugged in to either the USB port or the parallel port, depending on how the scanner is designed.
Plug in a code scanner. Usually you should be able to figure out what's going on if you use an OBDII scanner for vehicles in that range.
Plug in a computer diagnostic scanner. The light is on to tell you that you have a problem and the computer has stored a "fault" code.
External Device
Diagnostic plug. Diagnostic connector. Data link connector.
It is right under the dashboard under the steering wheel.
Buy a scanner, put the drawing onto it, plug it in to the computer, and follow the scanner's instructions to scan it.
You need to plug an OBD scanner into it.