Terminal B Cable Disconnection Note

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

Remove the two bolts shown in the figure.

Fig 1: Wiring Harness Bracket, Starter And Bolts
Courtesy of MAZDA MOTORS CORP.
Set aside the wiring harness and wiring harness bracket as a single unit.
Disconnect the terminal B cable.