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
Component Description
WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
| Part name | Description |
|---|---|
| BCM | Provides power and ground and controls timer functions for the interior room lamps and cargo lamp. |
| Key switch and ignition knob switch (with Intelligent Key) | Provides key in ignition status to the BCM. |
| Key switch (without Intelligent Key) | |
| Door switches | Provides door OPEN/CLOSED status to the BCM. |
| Glass hatch ajar switch | Provides glass hatch OPEN/CLOSED status to the BCM. |
| Back door latch (door ajar switch) | Provides back door OPEN/CLOSED status to the BCM. |
| Power window and door lock/unlock switch RH | Provides door lock/unlock position switch RH status to the BCM. |
| Main power window and door lock/unlock switch | Provides door lock/unlock position switch LH status to the BCM. |
| Front door lock assembly LH (key cylinder switch) |
Factory Service Tools
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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.