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.
2016 Infiniti QX50 AWDFACTORY OEM SERVICE PROCEDURE
Component Description
| Component | Reference |
|---|---|
| A/F sensor 1 | DESCRIPTION |
| A/F sensor 1 heater | DESCRIPTION |
| Accelerator pedal position sensor | DESCRIPTION |
| ASCD brake switch | DESCRIPTION |
| ASCD steering switch | DESCRIPTION |
| Battery current sensor | DESCRIPTION |
| Brake booster pressure sensor | DESCRIPTION |
| Camshaft position sensor (PHASE) | DESCRIPTION |
| Cooling fan control module | DESCRIPTION |
| Cooling fan motor | DESCRIPTION |
| Crankshaft position sensor (POS) | DESCRIPTION |
| Electric throttle control actuator | DESCRIPTION |
| Engine coolant temperature sensor | DESCRIPTION |
| Engine oil temperature sensor | DESCRIPTION |
| EVAP canister purge volume control solenoid valve | DESCRIPTION |
| EVAP canister vent control valve | DESCRIPTION |
| EVAP control system pressure sensor | DESCRIPTION |
| Fuel injector | DESCRIPTION |
| Fuel level sensor | DESCRIPTION |
| Fuel pump | DESCRIPTION |
| Fuel tank temperature sensor | DESCRIPTION |
| Heated oxygen sensor 2 | DESCRIPTION |
| Heated oxygen sensor 2 heater | DESCRIPTION |
| ICC brake switch | DESCRIPTION |
| ICC steering switch | DESCRIPTION |
| Ignition signal | DESCRIPTION |
| Intake air temperature sensor | DESCRIPTION |
| Intake valve timing control solenoid valve | DESCRIPTION |
| Knock sensor | DESCRIPTION |
| Mass air flow sensor | DESCRIPTION |
| PCV valve | DESCRIPTION |
| Power steering pressure sensor | DESCRIPTION |
| Refrigerant pressure sensor | DESCRIPTION |
| Stop lamp switch | DESCRIPTION |
| Throttle control motor | DESCRIPTION |
| Throttle control motor relay | DESCRIPTION |
| Throttle position sensor | DESCRIPTION |
| VVEL actuator motor | DESCRIPTION |
| VVEL actuator motor relay | DESCRIPTION |
| VVEL control module | DESCRIPTION |
| VVEL control shaft position sensor | DESCRIPTION |
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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