Continuity Inspection

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
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 .)