DTC Display [Two-Step Deployment Control System]

WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

Connect the WDS or equivalent to the DLC-2 connector (16-pin).
Retrieve DTCs.

Fig 1: Locating DLC-2
Courtesy of MAZDA MOTORS CORP.