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.
2003 Nissan-Datsun Sentra SE-R, StandardFACTORY OEM SERVICE PROCEDURE
CAN Communication Unit: Notes
WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
Refer to the following table to determine CAN system type.
CAN COMMUNICATION SYSTEM TYPE
| Axle | 2WD | ||||
| Engine | VQ35DE | ||||
| Transmission | 4 A/T | 5 A/T | |||
| Brake control | TCS | TCS | VDC | ||
| Monochrome display | X | X | |||
| Color display | X | X | X | ||
| Automatic drive positioner | X | ||||
| CAN system type | 1 | 2 | 3 | 4 | 5 |
| CAN system trouble diagnosis | CAN SYSTEM (TYPE 1) | CAN SYSTEM (TYPE 2) | CAN SYSTEM (TYPE 3) | CAN SYSTEM (TYPE 4) | CAN SYSTEM (TYPE 5) |
| X: Applicable | |||||
NOTE:
Confirming the presence of the following items helps to identify CAN system type.
- Models with TCS
- Models with VDC
- Models with automatic drive positioner
Factory Service Tools
Use the Manual With the Right Hardware
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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.