DTC P2237-00; Open Circuit Between A/F Sensor Terminal B And Pcm Terminal 1Ag: Notes
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- To determine the malfunctioning part, proceed with the diagnostics from "Function Inspection Using M-MDS".