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.
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Manually adjusted front seats
1 Front-rear adjustment: lift the bar and
move the seat to the position of your
choice.
2 Raise/lower the front edge of the seat
cushion: use the control to pump the front
edge of the cushion u ...
Air distribution
The incoming air is distributed from a number
of different vents in the passenger compartment.
Air distribution is fully automatic in AUTO
mode.
If desired, air distribution can be controlled ...
Anti-lock Brake System (ABS)
The ABS system in your vehicle performs a
self-diagnostic test when the vehicle first reaches
the speed of approximately 12 mph
(20 km/h). The brake pedal will pulsate several
times and a sound ma ...
