6. Check Fuel Pump Relay Output Signal Circuit For Open And Short
WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect ECM harness connector.
- Check harness continuity between ECM terminal 41 and fuel pump relay terminal 1.
Refer to Wiring Diagram.
- Continuity should exist.
- Also check harness for short to ground and short to power.
OK or NG
OK: GO TO 8.
NG: GO TO 7.