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:

    Inflation placard
    Tire inflation placard ...

    Storage spaces
    1 - Compartment in door panel 2 - Storage pocket on the front edge of the front seat cushions 3 - Glove compartment 4 - Storage compartment 5 - Jacket holder 6 - Storage compartment, 12-volt soc ...

    Marker lines
    The PAC system's lines 1 Marker line for a 1-foot (30-centimeter) zone behind the vehicle 2 Marker line for the clear back-up zone 3 "Wheel tracks" The solid line (1) indicates a zon ...