Without Using M-MDS

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the fuel pump relay.

Fig 1: Fuel Pump Relay
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- Short the specified terminals because shorting the wrong terminal of the relay and fuse block may cause malfunctions.
Using a jumper wire, short fuel pump terminals C and D in the relay and fuse block.

Fig 2: Checking Short Fuel Pump Terminals C And D In Relay And Fuse Block
Courtesy of MAZDA MOTORS CORP.
Connect the negative battery cable and operate the fuel pump. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Verify that there is no fuel leakage from the serviced parts.
Standard

There shall be no leakage after 5 min.
In the case of fuel leakage, replace the following components and then recheck using the fuel leakage checking procedure.

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.