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.
2017 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE
Engine Control System (Introduction)
- Precaution
- Preparation
- System Description
- Component Parts
- Component Location
- Accelerator Pedal Position Sensor
- Air-Fuel Ratio (A/F) Sensor
- Boost Pressure Control Vacuum Transducer
- Charge Air Temperature Sensor Downstream Of Throttle Valve
- Charge Air Temperature Sensor Upstream Of Throttle Valve
- Coolant Pump Switchover Valve
- Coolant Thermostat Heater Element
- Crankshaft Position Sensor
- Divert Air Switchover Valve
- ECM
- Engine Coolant Temperature Sensor
- EVAP Purge Control Valve
- Exhaust Camshaft Actuator
- Exhaust Camshaft Position Sensor
- FPCM (Fuel Pump Control Module)
- Fuel Injector
- Fuel Pressure And Temperature Sensor
- Fuel Level Sensor Unit And Fuel Pump
- Full-Load Operation Vent Line Heater Element
- Heated Oxygen Sensor
- Ignition Coil
- Intake Camshaft Actuator
- Intake Camshaft Position Sensor
- Intake Camshaft Valve Lift Switchover
- Knock Sensor
- Pressure Sensor Downstream Of Throttle Valve
- Pressure Sensor Upstream Of Throttle Valve
- Quantity Control Valve
- Throttle Valve Actuator
- Structure And Operation
- System
- Engine Control System
- Ignition On Control
- Engine Start Control
- Rpm Control
- Smooth Running Control
- Injection Regulation Control
- Ignition System Control
- Synchronize Fuel Injection And Ignition Order Function
- Camshaft Adjustment Function
- Torque Control
- Knock Control
- Air-Fuel Mixture Ratio Control
- Cold Start Mixture Enrichment Control
- Deceleration Fuel Shutoff Control
- Charge Air Control
- Ignition Off Control
- Fuel Supply Control
- Thermal Management Control
- Exhaust Treatment Function
- Evaporative Emission System
- Stop/Start System
- Electronic Accelerator Function
- Warning/Indicator/Chime List
- Can Communication
- Operation
- On Board Diagnostic (OBD) System
- Diagnosis System (ECM)
- Diagnosis System (FPCM)
- Component Parts
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.