Explanation About The Scan Tool (M.U.T.-III) Can Bus Diagnostics: Notes
WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
Scan tool (M.U.T.-III) CAN bus diagnostics carries out the three checks below automatically, and then displays current condition of the CAN bus lines according to the check results.