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 Infiniti Q50 Base, AWDFACTORY OEM SERVICE PROCEDURE
Engine Assembly Component
| No. | Component | Function |
|---|---|---|
| (1) | Camshaft position sensor (PHASE) (bank 1) | "CAMSHAFT POSITION SENSOR (PHASE) " |
| (2) | Intake valve timing control solenoid valve (bank 1) | "INTAKE VALVE TIMING CONTROL SOLENOID VALVE " |
| (3) | Intake valve timing control solenoid valve (bank 2) | |
| (4) | Camshaft position sensor (PHASE) (bank 2) | "CAMSHAFT POSITION SENSOR (PHASE) " |
| (5) | Ignition coil (with power transistor) and spark plug (No. 2 cylinder) | "IGNITION COIL " |
| (6) | Ignition coil (with power transistor) and spark plug (No. 4 cylinder) | |
| (7) | Ignition coil (with power transistor) and spark plug (No. 6 cylinder) | |
| (8) | Ignition coil (with power transistor) and spark plug (No. 5 cylinder) | |
| (9) | Ignition coil (with power transistor) and spark plug (No. 3 cylinder) | |
| (10) | Ignition coil (with power transistor) and spark plug (No. 1 cylinder) | |
| (11) | Fuel injector (No. 5 cylinder) | "FUEL INJECTOR " |
| (12) | Fuel injector (No. 3 cylinder) | |
| (13) | Fuel injector (No. 1 cylinder) | |
| (14) | Fuel injector (No. 2 cylinder) | |
| (15) | Fuel injector (No. 4 cylinder) | |
| (16) | Fuel injector (No. 6 cylinder) | |
| (17) | Knock sensor (bank 1) | "KNOCK SENSOR " |
| (18) | Knock sensor (bank 2) | |
| (19) | VVEL actuator motor (bank 2) | "VVEL ACTUATOR MOTOR " |
| (20) | VVEL control shaft position sensor (bank 2) | "VVEL CONTROL POSITION SENSOR " |
| (21) | Engine coolant temperature sensor | "ENGINE COOLANT TEMPERATURE SENSOR " |
| (22) | Crankshaft position sensor (POS) | "CRANKSHAFT POSITION SENSOR (POS) " |
| (23) | VVEL actuator motor (bank 1) | "VVEL ACTUATOR MOTOR " |
| (24) | VVEL control shaft position sensor (bank 1) | "VVEL CONTROL POSITION SENSOR " |
| (25) | EVAP canister purge volume control solenoid valve | "EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE " |
| (26) | Engine oil temperature sensor | "ENGINE OIL TEMPERATURE SENSOR " |
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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