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
Vehicle Compartment
| No. | Component | Function | ||
|---|---|---|---|---|
| (1) | Refrigerant pressure sensor | "REFRIGERANT PRESSURE SENSOR " Refer to "REFRIGERATION SYSTEM: COMPONENT PARTS LOCATION " for installation. |
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| (2) | Battery current sensor (with battery temperature sensor) | "BATTERY CURRENT SENSOR (WITH BATTERY TEMPERATURE SENSOR) " | ||
| (3) | IPDM E/R | IPDM E/R control the internal relays and the actuators. When CAN communication with ECM is impossible, IPDM E/R performs fail-safe control. |
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| (4) | VVEL control module | "VVEL CONTROL MODULE " | ||
| (5) | VVEL actuator motor relay | "VVEL ACTUATOR MOTOR RELAY " | ||
| (6) | Cooling fan control module | "COOLING FAN " | ||
| (7) | Cooling fan motor-1 | "COOLING FAN " | ||
| (8) | Cooling fan motor-2 | "COOLING FAN " | ||
| (9) | Cooling fan relay | "COOLING FAN " | ||
| (10) | Fuel pump control module | "FUEL PUMP CONTROL MODULE " | ||
| (11) | EVAP canister vent control valve(1) | "EVAP CANISTER VENT CONTROL VALVE " | ||
| (12) | EVAP control system pressure sensor(1) | "EVAP CONTROL SYSTEM PRESSURE SENSOR " | ||
| (13) | EVAP canister | EVAP canister stores the generated fuel vapors in the sealed fuel tank to activated charcoals of EVAP canister when the engine is not operating or when refueling to the fuel tank. | ||
| (14) | Fuel level sensor | "FUEL LEVEL SENSOR " | ||
| (15) | Fuel pump | "FUEL PUMP " | ||
| (16) | Fuel tank temperature sensor | "FUEL TANK TEMPERATURE SENSOR " | ||
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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.