2004 Infiniti Q45FACTORY OEM SERVICE PROCEDURE

With CONSULT-II

  1. Tighten fuel filler cap securely until ratcheting sound is heard.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.
  5. Make sure that the following conditions are met.

    COOLAN TEMP/S: 0 - 70Β°C (32 - 158Β°F)Β 

    INT/A TEMP SE: 0 - 60Β°C (32 - 140Β°F)Β 

  6. Select "EVAP SML LEAK P0442/P1442" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT-II. Follow the instruction displayed.
    Fig 1: Checking EVAP SML LEAK P0442/P1442 with CONSULT-II
    G00760992Courtesy 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.

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.

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.