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.
2015 Nissan-Datsun Sentra SRFACTORY OEM SERVICE PROCEDURE
Engine Compartment
| Engine front side |
| No. | Component | Function |
|---|---|---|
| PCV valve | The positive crankcase ventilation (PCV) valve is provided to conduct crankcase blow-by gas to the intake manifold. | |
| Fuel injector | FUEL INJECTOR | |
| Knock sensor | KNOCK SENSOR | |
| Engine oil temperature sensor | ENGINE OIL TEMPERATURE SENSOR | |
| Crankshaft position sensor (POS) | CRANKSHAFT POSITION SENSOR (POS) | |
| Engine oil pressure sensor | ENGINE OIL PRESSURE SENSOR | |
| Engine coolant temperature sensor | ENGINE COOLANT TEMPERATURE SENSOR | |
| Camshaft position sensor (PHASE) | CAMSHAFT POSITION SENSOR (PHASE) | |
| Exhaust valve timing control position sensor | EXHAUST VALVE TIMING CONTROL POSITION SENSOR | |
| Ignition coil (with power transistor) |
IGNITION COIL WITH POWER TRANSISTOR | |
| Exhaust valve timing control solenoid valve | EXHAUST VALVE TIMING CONTROL SOLENOID VALVE | |
| Intake valve timing control solenoid valve | INTAKE VALVE TIMING CONTROL SOLENOID VALVE |
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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