2003 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE

CAN Communication Unit: Notes

WARNING: This page is about a different car, the 2006 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

Go to CAN SYSTEM , when selecting your CAN system type from the following table.

CAN SYSTEM REFERENCE CHART

Body type Wagon
Axle 2WD 4WD
Engine VQ40DE
Transmission M/T A/T M/T A/T
Brake control VDC
Electronic locking rear differential       x   x
CAN system type 1 2 3 4 5 6
CAN system trouble diagnosis CAN SYSTEM (TYPE 1)  CAN SYSTEM (TYPE 2)  CAN SYSTEM (TYPE 3)  CAN SYSTEM (TYPE 4)  CAN SYSTEM (TYPE 5)  CAN SYSTEM (TYPE 6) 
x: Applicable
NOTE: Confirming the presence of the following items helps to identify CAN system type.
  • Models with 4WD
    Fig 1: Identifying 4WD Shift Switch
    G04745932
  • Models with electronic locking rear differential
    Fig 2: Identifying Differential Lock Mode Switch
    G04745933
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.