Mazda CX-9 Grand Touring 2007 Manual page 315

Fig. 33: Identifying Fuel Pump Unit Connector Terminals
Courtesy of MAZDA MOTORS CORP.
Standard
B+ (Ignition switch at ON)
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.
Fig. 34: Identifying Main Fuse Block Connector Terminals
Courtesy of MAZDA MOTORS CORP.
5. Verify that operation sound is heard from the fuel pump when ignition switch turn to the ON position.
If the operation sound cannot be verified, measure the voltage at fuel pump wiring harness-side
connector terminal B.
If as specified, inspect the following:
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.