July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Reading Procedure

Perform the necessary vehicle preparation and visual inspection.
Connect the WDS or equivalent to the vehicle DLC-2 16-pin connector located in the driver compartment.

Fig 1: Locating DLC-2 16-Pin Connector
Courtesy of MAZDA MOTORS CORP.
Retrieve the DTCs using the WDS or equivalent.