2004 Infiniti M45FACTORY OEM SERVICE PROCEDURE

CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
  1. SELF-DIAGNOSTIC RESULTS CHECK 
    1. Connect to CONSULT-II, and select "BCM" on "SELECT SYSTEM" screen
    2. Select "BCM control unit" on "SELECT WORK ITEM" screen, and select "SELF-DIAG RESULTS".
    3. Check display content in self-diagnostic results.
      Fig 1: Checking Self-Diagnostic Results
      G02163001Courtesy of NISSAN MOTOR CO., U.S.A.

      Contents displayed 

    1. No malfunction : Inspection End
    2. Malfunction in CAN communication system : GO TO 2.
  2. SYMPTOM CHECK 
    1. Select "CAN diagnosis support monitor" in data monitor.
    2. Select "START" and check display content.
      Fig 2: Checking Symptom
      G02163002Courtesy of NISSAN MOTOR CO., U.S.A.
    1. : After printing the monitor items, go to "CAN System". Refer to "CAN COMMUNICATION ".
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:

  • • 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.