Continuity Inspection

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the service hole cover. (See FUEL TANK REMOVAL/INSTALLATION .)
Disconnect the fuel pump unit connector.
Inspect for continuity between fuel pump unit terminals A-B.

Courtesy of MAZDA MOTORS CORP.
- If there is no continuity, replace the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION .)