Mazda CX-9 Grand Touring 2007 Manual page 294

Standard
There shall be no leakage after 5 min.
4. After reinstallation, repeat step 2-3 in the fuel leakage inspection.
Fig. 6: Identifying DLC-2 Connector
Courtesy of MAZDA MOTORS CORP.
WITHOUT USING M-MDS
1. Disconnect the negative battery cable. (see BATTERY REMOVAL/INSTALLATION [MZI-3.5] .)
2. Remove the fuel pump relay.
CAUTION:
3. Using a jumper wire, short fuel pump relay terminals C and D in the main fuse block.
4. Connect the negative battery cable and operate the fuel pump.
5. 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.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9
Short the specified terminals because shorting the wrong
terminal of the main fuse block may cause malfunctions.