How do states use OBD II for emission inspections?

How do states use OBD II for emission inspections?  - Emission inspection readiness - Maintaining your car - Maintenance and specifications - Volvo XC60 Owners Manual - Volvo XC60

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:

    Glove compartment lighting
    The glove compartment lighting switches on/ off automatically when the lid is opened/ closed. ...

    Engine compartment
    1 Engine compartment, upper 2 Engine compartment, front 3 Engine compartment, lower Positions These fuses are all located in the engine compartment box. Fuses in C are located under A. NOTE ...

    Seat belt maintenance
    Check periodically that the seat belts are in good condition. Use water and a mild detergent for cleaning. Check seat belt mechanism function as follows: attach the seat belt and pull rapidly ...