2012 Infiniti FX35 AWDFACTORY OEM SERVICE PROCEDURE

General Precautions

WARNING: This page is about a different car, the 2011 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
  • Always use a 12 volt battery as power source.Β 
  • Do not attempt to disconnect battery cables while engine is running.Β 
  • Before connecting or disconnecting the ECM harness connector, turn ignition switch OFF and disconnect negative battery cable. Failure to do so may damage the ECM because battery voltage is applied to ECM even if ignition switch is turned OFF.Β 
  • Before removing parts, turn ignition switch OFF and then disconnect battery ground cable.Β 
    Fig 1: Disconnecting Negative Battery Terminal
    G07165200Courtesy 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.