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:

    Points to keep in mind
    • Do not export your Volvo to another country before investigating that country's applicable safety and exhaust emission requirements. In some cases it may be difficult or impossible to comply ...

    If the BRAKE and ABS warning lights comeon at the same time, this could indicate afault in the brake system.
    • Stop the vehicle in a suitable place and switch off the engine. • Restart the engine. • If both warning lights go off, no further action is required. • If both lights are still on after the eng ...

    How BLIS functions in daylight and darkness
    Daylight BLIS reacts to the shape of surrounding vehicles. The system is designed to help detect motor vehicles such as cars, trucks, buses, motorcycles, etc. Darkness BLIS reacts to the headligh ...