Continuity Inspection

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.

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 A-B.

Fig 1: Fuel Pump Unit Connector Terminals A-B
Courtesy of MAZDA MOTORS CORP.
- If there is no continuity, replace the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION .)