2004 Infiniti M45FACTORY OEM SERVICE PROCEDURE

2. Check Ground Connections

  1. Turn A/C switch and blower switch OFF.
  2. Stop engine.
  3. Turn ignition switch OFF.
  4. Loosen and retighten two ground screws.

    Refer to GROUND INSPECTIONΒ .

    Fig 1: Identifying Engine Ground Wires
    G00796705Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NGΒ 

  1. OK: GO TO 3.
  2. NG: Repair or replace ground connections.
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.

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