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 Locations
WARNING: This page is about a different car, the 2002 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| ABS Actuator & Electric Unit (Control Unit) | Underneath Brake Master Cylinder |
| Body Computer Module (BCM) | Behind Left End Of Dash, See Fig 6 |
| Combination Meter | Behind Steering Wheel in Dash, See Fig 5 |
| Data Link Connector | Underside Of Dash In Front Of Driver Seat, See Fig 3 |
| Engine Control Module (ECM) | Behind Glove Box, See Fig 1 |
| Intelligent Power Distribution Module (IPDM) | Under Hood Next To Coolant Reservoir Tank, See Fig 2 |
| Transmission Control Module (TCM) | Behind Glove Box Next To ECM, See Fig 4 |
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.
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