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Continuity Inspection

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