2004 Infiniti M45FACTORY OEM SERVICE PROCEDURE

With Consult-II

  1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
    Fig 1: Scan Tool Display - Data Monitor
    G00796003Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Start engine and warm it up to the normal operating temperature.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Start engine and keep the engine speed between 3,500 and 4,000 RPM for at least 1 minute under no load.
  5. Let engine idle for 1 minute.
  6. Make sure that "COOLAN TEMP/S" indicates more than 70°C (158°F).

    If not, warm up engine and go to next step when "COOLAN TEMP/S" indication reaches to 70°C (158°F).

  7. Open engine hood.
  8. Select "DTC & SRT CONFIRMATION" then "SRT WORK SUPPORT" mode with CONSULT-II.
    Fig 2: Scan Tool Display - SRT Work Support
    G00796004Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Rev engine up to 2,000 to 3,000 RPM and hold it for 3 consecutive minutes then release the accelerator pedal completely.

    If "INCMP" of "CATALYST" changed to "CMPLT", go to step 12.

  10. Wait 5 seconds at idle.
  11. Rev engine up to 2,000 to 3,000 RPM and maintain it until "INCMP" of "CATALYST" changes to "CMPLT" (It will take approximately 5 minutes).

    If not "CMPLT", stop engine and cool it down to less than 70°C (158°F) and then retest from step 1.

    Fig 3: Scan Tool Display - SRT Work Support
    G00796005Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Select "SELF-DIAG RESULTS" mode with CONSULT-II.
    Fig 4: Scan Tool Display - Self-Diag Results
    G00796006Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Confirm that the 1st trip DTC is not detected.

    If the 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  .

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:

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

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