Without Using WDS Or Equivalent

CAUTION:

Shorting the wrong terminal of the check connector may cause malfunctions. Make sure to short only the specified terminal.

Ground the check connector terminal F/P using the jumper wire.
Remove the fuel filler cap.
Turn the ignition switch to the ON position and verify that the fuel pump can be heard operating.

Fig 1: Connecting Check Connector Terminal F/P To Body
Courtesy of MAZDA MOTORS CORP.
- If it cannot be verified, inspect for a voltage of 3.76-5.28 V on the fuel pump wiring harness-side connector terminal B.
  - If it is within the specification, inspect the following.
    - Fuel pump continuity inspection
    - Wiring harness between fuel pump terminal D and GND
  - If not within the specification, inspect the following.
    
    Fig 2: Identifying Fuel Pump Unit Connector Terminals
    Courtesy of MAZDA MOTORS CORP.
    - Fuel pump relay
    - Wiring harnesses, connectors between main relay, fuel pump relay, and check connector
    - Wiring harnesses, connectors between fuel pump relay, fuel pump resistor, and fuel pump
  Voltage
  
  3.76-5.28 V
- Disconnect the jumper wire.