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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Direct channel entry
The Sirius satellite channels are in numerical
order throughout all of the categories. To
access a channel directly:
1. Turn TUNE to access the channel list.
2. Use the number key buttons to ent ...
Power tailgate
Power tailgate closing button ...
Connecting a device to the A/V-AUX socket
The A/V-AUX socket is located under the center armrest in the tunnel console
1. Connect the device's video cable to the
yellow connector.
2. Connect the left audio cable to the white
connector ...
