Mazda Modular Diagnostic System (M-MDS)

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

The M-MDS is an on-board diagnostic tool developed for the improvement of servicing efficiency, maintenance quality, and convenience, and the reduction of security risk.
The M-MDS consists of a laptop PC for servicing work, the Mazda Diagnostic and Repair Software (MDARS) on-board diagnostic software, the VCM- used as a communication device between the vehicle and the laptop PC for servicing work, and each type of cable.

Courtesy of MAZDA MOTORS CORP.

With the MDARS, cloud technology is introduced for the storage of diagnosis history performed using applications (software for controlling on-board diagnosis function) or the MDARS, and data recorded by the PID/data monitor function.