2004 Infiniti FX35 AWDFACTORY OEM SERVICE PROCEDURE

ECM Terminals And Reference Value: Preparation

  1. ECM is located behind the passenger side instrument lower panel. For this inspection, remove passenger side instrument lower panel.
  2. Remove ECM harness connector.
    Fig 1: Locating ECM & ECM Harness Connector
    G00726929Courtesy of NISSAN MOTOR CO., U.S.A.
  3. When disconnecting ECM harness connector, loosen it with levers as far as they will go as shown in Fig 2.
    Fig 2: Disconnecting ECM Harness Connector
    G00726930Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Connect a break-out box (SST) and Y-cable adapter (SST) between the ECM and ECM harness connector.
    • Use extreme care not to touch 2 pins at one time.
    • Data is for comparison and may not be exact.
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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