Mazda CX-9 Grand Touring 2009 Manual page 1632

Fig. 36: Identifying Fuel Pump Unit Wiring Harness-Side Connector
Courtesy of MAZDA MOTORS CORP.
CIRCUIT OPEN/SHORT INSPECTION
1. Inspect the following wiring harnesses for open or short circuit (continuity check).
Fig. 37: Identifying Main Fuse Block (Fuel Pump Relay)
Courtesy of MAZDA MOTORS CORP.
Fig. 38: Identifying Fuel Pump Unit Wiring Harness-Side Connector
Courtesy of MAZDA MOTORS CORP.
Open circuit
If there is no continuity, the circuit is open. Repair or replace the harness.
2008 Mazda CX-9 Grand Touring
2008 ENGINE Fuel System (MZI-3.7) - Mazda CX-9