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.
2014 Nissan-Datsun Altima BaseFACTORY OEM SERVICE PROCEDURE
Engine Compartment
| No. | Component | Function |
|---|---|---|
| (1) | Exhaust valve timing control position sensor | "EXHAUST VALVE TIMING CONTROL POSITION SENSOR " |
| (2) | Camshaft position sensor (PHASE) | "CAMSHAFT POSITION SENSOR (PHASE) " |
| (3) | PCV valve | The positive crankcase ventilation (PCV) valve is provided to conduct crankcase blow-by gas to the intake manifold. |
| (4) | Fuel injector | "FUEL INJECTOR " |
| (5) | Crankshaft position sensor (POS) | "CRANKSHAFT POSITION SENSOR (POS) " |
| (6) | Knock sensor | "KNOCK SENSOR " |
| (7) | Engine oil temperature sensor | "ENGINE OIL TEMPERATURE SENSOR " |
| (8) | Engine oil pressure sensor | "ENGINE OIL PRESSURE SENSOR " |
| (9) | Intake valve timing intermediate lock control solenoid valve | "INTAKE VALVE TIMING INTERMEDIATE LOCK CONTROL SOLENOID VALVE " |
| (10) | Intake valve timing control solenoid valve | "INTAKE VALVE TIMING CONTROL SOLENOID VALVE " |
| (11) | Exhaust valve timing control solenoid valve | "EXHAUST VALVE TIMING CONTROL SOLENOID VALVE " |
| (12) | Ignition coil (with power transistor) | "IGNITION COIL WITH POWER TRANSISTOR " |
| (13) | Engine coolant temperature sensor | "ENGINE COOLANT TEMPERATURE SENSOR " |
| (14) | Intake manifold tuning valve | "INTAKE MANIFOLD TUNING VALVE " |
| (15) | Intake manifold runner control valve position sensor | "INTAKE MANIFOLD RUNNER CONTROL VALVE " |
| (16) | Intake manifold runner control valve actuator |
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.