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.
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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 3 (ENGINE CONTROL SYSTEM (5.6L) (1 OF 3))
2019 Infiniti Q70 3.7 Luxe, AWD
Section 3 (Engine Control System (5.6L) (1 Of 3))
2019 Infiniti Q70 3.7 Luxe, AWDSECTION Section 3 (Engine Control System (5.6L) (1 Of 3))
WARNING: This page is about a different variant/trim than selected.
- Precaution
- Preparation
- System Description
- Component Parts
- Component Parts Location
- Component Description
- Infiniti Drive Mode Selector
- Component Parts Location
- Component Description
- Accelerator Pedal Position Sensor
- Air Fuel Ratio (A/F) Sensor 1
- ASCD Brake Switch
- ASCD Steering Switch
- Battery Current Sensor (With Battery Temperature Sensor)
- Camshaft Position Sensor
- Cooling Fan
- Crankshaft Position Sensor
- ECM
- Electric Throttle Control Actuator
- Engine Coolant Temperature Sensor
- Engine Oil Pressure Sensor
- Engine Oil Temperature Sensor
- EVAP Control System Pressure Sensor
- EVAP Canister Vent Control Valve
- EVAP Canister Purge Volume Control Solenoid Valve
- Exhaust Valve Timing Control Position Sensor
- Exhaust Valve Timing Control Solenoid Valve
- Fuel Injector
- Fuel Tank Temperature Sensor
- Heated Oxygen Sensor 2
- High Pressure Fuel Pump
- Fuel Pump Control Module
- Fuel Rail Pressure Sensor
- ICC Brake Switch
- ICC Steering Switch
- Ignition Coil With Power Transistor
- Information Display
- Intake Valve Timing Control Solenoid Valve
- Knock Sensor
- Low Pressure Fuel Pump
- Malfunction Indicator Lamp (MIL)
- Manifold Absolute Pressure Sensor
- Mass Air Flow Sensor (With Intake Air Temperature Sensor)
- Power Steering Pressure (PSP) Sensor
- Refrigerant Pressure Sensor
- Stop Lamp Switch
- VVEL Actuator Motor
- VVEL Actuator Motor Relay
- VVEL Control Module
- VVEL Control Shaft Position Sensor
- Structure And Operation
- System
- System Diagram
- System Description
- Direct Injection Gasoline System
- Fuel Pressure Control
- Cooling Fan Control
- Electric Ignition System
- Intake Valve Timing Control
- Exhaust Valve Timing Control
- VVEL System
- Evaporative Emission System
- Air Conditioning Cut Control
- Alternator Power Generation Voltage Variable Control System
- Automatic Speed Control Device (ASCD)
- Can Communication
- Fuel Filler Cap Warning System
- Infiniti Drive Mode Selector
- Operation
- Handling Precaution
- On Board Diagnostic (OBD) System
- Component Parts
RENDER: 1.0x
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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.