2005 Infiniti Q45FACTORY OEM SERVICE PROCEDURE

ECM Terminals and Reference Value: Preparation

  1. ECM is located behind the glove box. For this inspection, remove glove box.
  2. Remove ECM harness connector.
    Fig 1: Removing ECM Harness Connector
    G02369334Courtesy 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 at right.
  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.
    Fig 2: Connecting ECM Harness Connector
    G02369335Courtesy 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.