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 2067 (LAN System)
WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- LAN Fundamental
- Precautions
- System Description
- Trouble Diagnosis
- Trouble Diagnoses Work Flow
- Information Needed for Trouble Diagnosis
- How to Use CAN Communication Signal Chart
- Trouble Diagnosis Flow Chart
- Trouble Diagnosis Procedure
- Interview With Customer
- Inspection Of Vehicle Condition
- Check Of Can System Type (How To Use Can System Type Specification Chart)
- CAN System Type Specification Chart (Style A)
- CAN System Type Specification Chart (Style B)
- Create Interview Sheet
- Collect Data
- Create On-board Diagnosis Copy Sheet
- Create Diagnosis Sheet
- Detect The Root Cause
- Service Information
- Index For DTC
- How To Use This Information
- Precautions
- Trouble Diagnosis
- CAN Diagnostic Support Monitor
- CAN System Specification Chart
- CAN Communication Signal Chart
- Schematic
- Wiring Diagram - CAN -
- Interview Sheet
- Data Sheet
- CAN System (Type 1)
- CAN System (Type 2)
- CAN System (Type 3)
- CAN System (Type 4)
- CAN System (Type 5)
- Component Parts Location
- Harness Layout
- Malfunction Area Chart
- Main Line Between Data Link Connector and ABS Actuator and Electric Unit (Control Unit)
- Main Line Between Data Link Connector and Driver Seat Control Unit
- Main Line Between Driver Seat Control Unit and ABS Actuator and Electric Unit (Control Unit)
- ECM Branch Line Circuit
- Audio Unit Branch Line Circuit
- BCM Branch Line Circuit
- Display Control Unit Branch Line Circuit
- Data Link Connector Branch Line Circuit
- Intelligent Key Unit Branch Line Circuit
- Unified Meter and A/C Amp. Branch Line Circuit
- Steering Angle Sensor Branch Line Circuit
- TCM Branch Line Circuit
- Driver Seat Control Unit Branch Line Circuit
- ABS Actuator and Electric Unit (Control Unit) Branch Line Circuit
- IPDM E/R 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:
- • 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.
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