2004 Infiniti I35FACTORY OEM SERVICE PROCEDURE

Diagnostic Procedure

  1. CHECK EVAP CANISTER 
    1. Turn ignition switch OFF.
    2. Check EVAP canister for cracks.

      OK or NG 

    1. OK (With CONSULT-II): GO TO 2.
    2. OK (Without CONSULT-II): GO TO 3.
    3. NG: Replace EVAP canister.
  2. CHECK PURGE FLOW 

    With CONSULT-II 

    1. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP service port and install vacuum gauge.
      Fig 1: Locating EVAP Canister & Service Port
      G00786820Courtesy 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.
    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 2: Displaying CONSULT-II ACTIVE TEST Screen
      G00786821Courtesy 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:

  • • 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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