2004 Infiniti FX45FACTORY 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. For the location of EVAP service port, Refer to EVAPORATIVE EMISSION LINE DRAWING  .
    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 1: Defining PURG VOL CONT/V (CONSULT-II)
      G00344949Courtesy of NISSAN MOTOR CO., U.S.A.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.