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
Electrical Component Locator: Miscellaneous
MISCELLANEOUS LOCATION
| Component | Location |
|---|---|
| A/C Compressor (E36) | Front of engine. See Figure . |
| A/T Device (M44) | Front of center console. See Figure . |
| Audio Amplifier (B53, B54) | Center front of trunk. See Figure . |
| Battery (Positive) (E28) | Front left side of engine compartment. See Figure . |
| Condenser (1.8L SULEV) (F19) | Top right side if engine. See Figure . |
| Condenser (1.8L ULEV) (F19) | Top right side of engine. See Figure . |
| Condenser (2.5L) (F21) | Top right rear of engine. See Figure . |
| Data Link Connector (M8) | Under left side of dash. See Figure . |
| Diode-2 (M53) | Behind right side of dash. See Figure . |
| Diode-3 (M55) | Behind left side of dash. See Figure . |
| Diode-4 (B33) | Near left front of trunk. See Figure . |
| Diode-5 | Behind left side of dash. See Figure . |
| Dropping Resistor (E6) | Front left side of engine compartment. See Figure . |
| Fan Resistor (M56) | Behind right side of dash. See Figure . |
| Generator (E33, E34, E35) | Front of engine. See Figure . |
| Horn (E29) | Front of engine compartment. See Figure . |
| Ignition Coil No. 1 (1.8L SULEV) (F13) | Top front of engine. See Figure . |
| Ignition Coil No. 1 (1.8L ULEV) (F13) | Top front of engine. See Figure . |
| Ignition Coil No. 1 (2.5L) (F5) | Top front of engine. See Figure . |
| Ignition Coil No. 2 (1.8L SULEV) F11) | Top front of engine. See Figure . |
| Ignition Coil No. 2 (1.8L ULEV) (F11) | Top front of engine. See Figure . |
| Ignition Coil No. 2 (2.5L) (F6) | Top front of engine. See Figure . |
| Ignition Coil No. 3 (1.8L SULEV) (F9) | Top front of engine. See Figure . |
| Ignition Coil No. 3 (1.8L ULEV) (F9) | Top front of engine. See Figure . |
| Ignition Coil No. 3 (2.5L) | Top front of engine. See Figure . |
| Ignition Coil No. 4 (1.8L SULEV) (F7) | Top front of engine. See Figure . |
| Ignition Coil No. 4 (1.8L ULEV) (F7) | Top front of engine. See Figure . |
| Ignition Coil No. 4 (2.5L) | Top front of engine. See Figure . |
| Joint Connector-1 (1.8L SULEV) (F24) | Right side of dash. See Figure . |
| Joint Connector-1 (1.8L ULEV) (F24) | Right side of dash. See Figure . |
| Joint Connector-1 (2.5L) (F1) | Right side of dash. See Figure . |
| Rear Window Defogger (B34, B201) | Rear window. See Figure . |
| Seat Belt Pre-Tensioner (Front Left) (B22) | Base of left "B" pillar. See Figure . |
| Seat Belt Pre-Tensioner (Front Right) (B16) | Base of right "B" pillar. See Figure . |
| Spiral Cable (M36) | In steering column. See Figure . |
| Terminal Cord Assembly (A/T) (1.8L SULEV) (F50) | Left front of engine compartment. See Figure . |
| Terminal Cord Assembly (A/T) (1.8L ULEV) (F50) | Left front of engine compartment. See Figure . |
| Terminal Cord Assembly (A/T) (2.5L) (F30) | Left front of engine compartment. See Figure . |
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:
- 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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