2004 Infiniti M45FACTORY OEM SERVICE PROCEDURE

With CONSULT-II

  1. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP service port and install vacuum gauge. For the location of EVAP service port, refer to EVAPORATIVE EMISSION LINE DRAWING .
    Fig 1: Identifying EVAP Service Port
    G00796020Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Start engine and let it idle.
  3. Select "PURG VOL CONT/V" in "ACTIVE TEST" mode with CONSULT-II.
    Fig 2: Scan Tool Display - Active Test
    G00796021Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Rev engine up to 2,000 RPM.
  5. Touch "Qd" and "Qu" on CONSULT-II screen to adjust "PURG VOL CONT/V" opening and check vacuum existence.
    Fig 3: Vacuum Conditions Chart
    G00796022Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 7. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE .
  2. NG: GO TO 4. CHECK EVAP PURGE LINE .
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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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