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, AutomaticFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Connectors
CONNECTORS LOCATION
| Component | Component Location |
|---|---|
| B1 (Brown, 16 Pin) | Behind left side of dash. |
| B3 (White, 20 Pin) | Behind left side of dash. |
| B18 (White, 8 Pin) | Below right front seat. |
| B24 (White, 8 Pin) | Left "B" pillar. |
| B50 (White, 12 Pin) | Behind left side of dash. |
| B51 (White, 2 Pin) | Behind left side of dash. |
| B52 (White, 4 Pin) | Behind left side of dash. |
| B101 (White, 4 Pin) | Below right side of dash. |
| D1 (White, 12 Pin) | Behind left kick panel. See Figure. |
| D2 (White, 16 Pin) | Behind left kick panel. See Figure. |
| D9 (White, 4 Pin) | Behind left kick panel. See Figure. |
| D101 (White, 8 Pin) | Behind right kick panel. |
| D102 (White, 16 Pin) | Behind right kick panel. |
| D201 (White, 8 Pin) | Left "B" pillar. |
| D301 (White, 8 Pin) | Right "B" pillar. |
| E8 (Gray, 1 Pin) | Left rear corner of engine compartment. |
| E9 (Gray, 8 Pin) | Left rear corner of engine compartment. |
| E10 (Gray, 10 Pin) | Left rear corner of engine compartment. |
| E56 (White, 4 Pin) | Below right side of dash. |
| E107 (White, 2 Pin) | Behind left side of dash. See Figure. |
| E108 (White, 16 Pin) | Behind left side of dash. See Figure. |
| E109 (1.8L) (White, 10 Pin) | Behind left side of dash. See Figure. |
| E109 (2.5L) (White, 16 Pin) | Behind left side of dash. See Figure. |
| F12 (1.8L SULEV) (Gray, 6 Pin) | Top of engine. See Figure. |
| F12 (1.8L ULEV) (Gray, 6 Pin) | Top of engine. See Figure. |
| F12 (2.5L) (Black, 6 Pin) | Top of engine. See Figure. |
| F26 (White, 16 Pin) | Right kick panel. |
| F27 (1.8L) (Brown, 16 Pin) | Right kick panel. |
| F27 (2.5L) (White, 24 Pin) | Right kick panel. |
| F28 (White, 6 Pin) | Right kick panel. |
| F46 (1.8L SULEV) (Gray, 1 Pin) | Left side of engine compartment. See Figure. |
| F46 (1.8L ULEV) (Gray, 1 Pin) | Left side of engine compartment. See Figure. |
| F46 (2.5L) (Gray, 1 Pin) | Left side of engine compartment. See Figure. |
| F47 (1.8L SULEV) (Gray, 8 Pin) | Left side of engine compartment. See Figure. |
| F47 (1.8L ULEV) (Gray, 8 Pin) | Left side of engine compartment. See Figure. |
| F47 (2.5L) (Gray, 8 Pin) | Left side of engine compartment. See Figure. |
| F48 (1.8L SULEV) (Gray, 10 Pin) | Left side of engine compartment. See Figure. |
| F48 (1.8L ULEV) (Gray, 10 Pin) | Left side of engine compartment. See Figure. |
| F48 (2.5L) (Gray, 10 Pin) | Left side of engine compartment. See Figure. |
| F101 (1.8L SULEV) (Gray, 6 Pin) | Top of engine. See Figure. |
| F101 (1.8L ULEV) (Gray, 6 Pin) | Top of engine. See Figure. |
| F101 (2.5L) (Black, 6 Pin) | Top of engine. See Figure. |
| M4 (White, 8 Pin) | Behind left kick panel. |
| M5 (White, 16 Pin) | Behind left kick panel. |
| M14 (Brown, 16 Pin) | Left kick panel. |
| M16 (White, 20 Pin) | Left kick panel. |
| M17 (Gray, 8 Pin) | Left kick panel. |
| M18 (White, 2 Pin) | Left kick panel. |
| M19 (White, 16 Pin) | Left kick panel. |
| M20 (White, 10 Pin) | Left kick panel. |
| M25 (White, 6 Pin) | Base of left "A" pillar. |
| M35 (White, 2 Pin) | Under center console. |
| M58 (White, 16 Pin) | Below right side of dash. |
| M59 (1.8L) (Brown, 16 Pin) | Below right side of dash. |
| M59 (2.5L) (White, 24 Pin) | Below right side of dash. |
| M60 (White, 6 Pin) | Behind right kick panel. |
| M63 (White, 8 Pin) | Behind right kick panel. |
| M64 (White, 16 Pin) | Behind right kick panel. |
| M65 (White, 12 Pin) | Left kick panel. |
| M67 (White, 2 Pin) | Left kick panel. |
| M301 (White, 2 Pin) | Under center console. |
| R1 (White, 6 Pin) | Base of left "A" pillar. See Figure. |
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.
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