Without using M-MDS

Disconnect the negative battery cable.
Remove the fuel pump relay.
CAUTION:
- Be careful to short the specified terminal as shorting the wrong terminal of the main fuse block may cause a malfunction.
  
  Fig 1: Identifying Fuel Pump Relay And Main Fuse Block
  Courtesy of MAZDA MOTORS CORP.
Using a jumper wire, short fuel pump relay terminals C and D and connect the negative battery cable to start the fuel pump.
Verify that there is no fuel leakage from the pressurized parts.
- If there is leakage, replace the fuel hoses and clips.
- If there is damage on the seal on the fuel pipe side, replace the fuel pipe.
Standard

There shall be no leakage after 5 min.
After reinstallation, repeat step 3- 4 in the fuel leakage inspection.

Fig 2: Identifying Fuel Pump Relay Terminals
Courtesy of MAZDA MOTORS CORP.