How do states use OBD II for emission inspections?

Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some states, this type of inspection has replaced the tailpipe emission test.
See also:
Automatic connection
When the Bluetooth® function is active and the
most recently paired device is within range, it
is automatically connected. When the infotainment
system searches for the most recently
paired de ...
2008 Volvo C30 Review
The once utilitarian hatchback has become the new cool car (again), with
automakers flooding the market with small, uniquely styled models. Volvo's new
four-seat C30 joins the Mini Cooper — the ca ...
Fuses in the passenger compartment on the edge of the dashboard
The decal shows the positions and amperage of the fu
Fuses are located inside the access panel on
the edge of the dashboard, on the driver's side.
There are also a number of spare fuses. When
...
