11. Check Fuel Pump Power Supply And Ground Circuit For Open And Short
WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition switch OFF.
- Disconnect "fuel level sensor unit and fuel pump" harness connector.
- Check harness continuity between "fuel level sensor unit and fuel pump" terminal 1 and harness connector B1 terminal 15, "fuel level sensor unit and fuel pump" terminal 3 and ground. Refer to Wiring Diagram.
- Continuity should exist.
- Also check harness for short to ground and short to power.
OK or NG
- OK : GO TO 12.
- NG : Repair open circuit or short to power in harness or connectors.