Continuity Inspection

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Disconnect the fuel pump unit connector.
Inspect for continuity between fuel pump unit terminals B-D.
- If there is no continuity, replace the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION .)
  
  Fig 1: Identifying Fuel Pump Unit Connector
  Courtesy of MAZDA MOTORS CORP.