2005 Infiniti Q45FACTORY OEM SERVICE PROCEDURE

Fuel Pump Relay

Check continuity between terminals 3 and 5 under the following conditions.

FUEL PUMP RELAY CONTINUITY CONDITIONS

Conditions Continuity
12V direct current supply between terminals 1 and 2 Yes
No current supply No
Fig 1: Identifying Fuel Pump Relay Terminals And Circuit
G02369854Courtesy of NISSAN MOTOR CO., U.S.A.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.