Mazda CX-9 Grand Touring 2009 Manual page 1646

5. Start the engine.
6. After the engine stalls, crank the engine several times.
7. Turn the ignition switch to LOCK position.
8. Install the fuel pump relay.
Fig. 5: Identifying Fuel Pump Relay & Main Fuse Block
Courtesy of MAZDA MOTORS CORP.
AFTER SERVICE PRECAUTION [MZI-3.7]
WARNING:
FUEL LEAKAGE INSPECTION
WARNING:
Using M-MDS
1. Connect the M-MDS to the DLC-2.
2. Using the simulation function "FP", start the fuel pump.
3. 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.
2008 Mazda CX-9 Grand Touring
2008 ENGINE Fuel System (MZI-3.7) - Mazda CX-9
Fuel line spills and leakage are dangerous. Fuel can ignite and cause
serious injuries or death and damage. When installing the fuel hose,
observe "Fuel Leakage Inspection" described below.
Fuel line spills and leakage are dangerous. Fuel can ignite and cause
serious injuries or death and damage. Always carry out the following
procedure with the engine stopped.