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.
2009 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Switches
SWITCHES LOCATION
| Component | Location |
|---|---|
| ASCD Brake Switch (E36) | On brake pedal bracket. See Figure. |
| ASCD Clutch Switch (E32) | On clutch pedal bracket. See Figure. |
| Back-Up Light Switch (F47) | On transaxle. See Figure. |
| Brake Fluid Level Switch (E40) | Left rear corner of engine compartment. See Figure. |
| Clutch Interlock Switch (E34) | On clutch pedal bracket. See Figure. |
| Front Door Switch (Left) (B21) | In left "B" pillar. See Figure. |
| Front Door Switch (Right) (B28) | In right "B" pillar. See Figure. |
| Front Outside Handle LH | In rear of left front door. See Figure. |
| Front Outside Handle RH | In rear of right front door. See Figure. |
| Oil Pressure Switch (2.0L) (F32) | Lower left side of engine. See Figure. |
| Oil Pressure Switch (2.5L) (F32) | Lower left side of engine. See Figure. |
| Parking Brake Switch (B24) | Under center floor console. See Figure. |
| Park/Neutral Position (PNP) Switch (2.0L) (F26) | Left side of transaxle. See Figure. |
| Park/Neutral Position (PNP) Switch (2.5L) (F26) | Left side of transaxle. See Figure. |
| Rear Door Switch (Left) (B26) | In left "C" pillar. See Figure. |
| Rear Door Switch (Right) (B41) | In right "C" pillar. See Figure. |
| Seat Belt Buckle Switch (Left) (B16) | In driver's seat belt buckle. See Figure. |
| Seat Belt Buckle Switch (Right) (B32) | In front passenger's seat belt buckle. See Figure. |
| Stoplight Switch (E3) | On brake pedal bracket. See Figure. |
| Trunk Opener Request Switch (T5) | Center rear of trunk lid. See Figure. |
| Washer Fluid Level Switch (E50) | Right front corner of engine compartment. 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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