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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Under the glove compartment
Fold aside the upholstery covering the fuse
boxes.
1. Press the cover's lock and fold it up.
2. The fuses are accessible.
Positions-fuse box A
Positions-fuse box B
...
Folding down the rear seat backrests
The rear seat backrests can be folded down for additional loading space, see
page 92. ...
