System Wiring Diagram

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: B1128:11, B1128:12, B1128:19, B1128:1A, B1128:1B System Wiring Diagram

Courtesy of MAZDA MOTORS CORP.