Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Fuel Pump Control System (Murano)
For fuel pump control system diagnosis and testing procedure, see Fig 2-Fig 5 . For fuel pump control circuit wiring diagram, see Fig 1. To check condenser, see FUEL SYSTEM CONDENSER . To check fuel pump, see FUEL PUMP . If no problem is indicated at this time, problem may be intermittent. See INTERMITTENTS in TROUBLE SHOOTING - NO CODES article. For component removal and installation procedures, see appropriate REMOVAL & INSTALLATION article.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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