Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Section 2137 (LAN System)
WARNING: This page is about a different car, the 2011 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
- Can Fundamental
- Precaution
- System Description
- Basic Inspection
- Can
- How To Use This Manual
- Precaution
- Basic Inspection
- System Description
- Wiring Diagram
- DTC/Circuit Diagnosis
- Can Communication System
- Malfunction Area Chart
- Main Line Between TCM And DLC Circuit
- Main Line Between DLC And Abs Circuit
- ECM Branch Line Circuit
- TCM Branch Line Circuit
- 4WD Branch Line Circuit
- BCM Branch Line Circuit
- Diff Branch Line Circuit
- DLC Branch Line Circuit
- M&A Branch Line Circuit
- STRG Branch Line Circuit
- Abs Branch Line Circuit
- IPDM-E Branch Line Circuit
- Can Communication Circuit
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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