Mazda CX-9 Grand Touring 2009 Manual page 1626

Using M-MDS
1. Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)
2. Connect the M-MDS to the DLC-2.
3. Using the simulation function "FP", start the fuel pump.
Fig. 27: Connecting M-MDS To DLC-2
Courtesy of MAZDA MOTORS CORP.
Without using M-MDS
1. Remove the fuel pump relay.
CAUTION:
2. Using a jumper wire, short fuel pump relay terminals C and D in the main fuse block.
3. Connect the negative battery cable and operate the fuel pump.
CAUTION:
2008 Mazda CX-9 Grand Touring
2008 ENGINE Fuel System (MZI-3.7) - Mazda CX-9
Short the specified terminals because shorting the wrong
terminal of the main fuse block may cause malfunctions.
The fuel pump could be damaged if it is operated (fuel
pump idling) while there is no fuel in the fuel tank. Verify
the amount of fuel being discharged from the hose and
stop operation of the fuel pump when essentially no fuel is
being discharged.