🏷️ Basic Information

Make:

Infiniti

Model:

Q40

Model Year:

2015

Chassis Code:

V36 Series

👋 Introduction

Market Position:

The Infiniti Q40 (V36 series) served as a more budget-friendly alternative to the G37 sedan, positioning itself as a premium compact sports sedan with an emphasis on driving dynamics and a luxurious interior.

Target Audience:

Enthusiast drivers seeking a balance of luxury, performance, and a hands-on approach to vehicle maintenance and repair.

Competitive Analysis:

Competed against vehicles like the BMW 3 Series, Audi A4, and Mercedes-Benz C-Class, offering a strong value proposition with its performance-oriented platform derived from the successful G37.

Key Features:

Rear-wheel drive or optional all-wheel drive, powerful V6 engine, sport-tuned suspension, luxurious interior appointments, and advanced technology features for its time.

📋 Manual Details

Coverage Areas:

All aspects of vehicle repair and maintenance, diagnostics, wiring schematics, illustrations, diagrams, specifications.

Manual Type:

Complete Service Repair Manual

File Format:

PDF

Digital Requirements:

Adobe PDF Reader, WinZip

Language:

English

Compatible Os:

All Versions of Windows, Mac, Linux OS, iPhone, iPad, Android

📖 Manual Coverage

Systems Covered:

General Information, Engine Mechanical, Engine Lubrication, Engine Cooling, Engine Control, Fuel System, Exhaust System, Starting System, Accelerator Control, Hybrid Control, Hybrid Battery, Hybrid Brake, EV Control, Traction Motor, EV Battery, Vehicle Charging, High Voltage Cooling, Clutch, Transaxle & Transmission, Driveline, Front Axle, Rear Axle, Front Suspension, Rear Suspension, Suspension Control, Road Wheels & Tires, Brake System, Parking Brake, Brake Control, Steering System, Steering Control, Seat Belt, Seat Belt Control, SRS Airbag, SRS Airbag Control, Ventilation, Heater & Air Conditioning, HVAC Control, Interior, Instrument Panel, Seat, Automatic Drive Positioner, Door & Lock, Security Control, Glass & Window System, Power Window Control, Roof, Hood, Exterior, Body Repair, Mirrors, Exterior Lighting, Interior Lighting, Wiper & Washer, Defogger, Horn, Approaching Vehicle Sound for Pedestrians (VSP), Power Outlet, Body Control System, LAN System, Power Control System, Charging System, Power Supply, Ground & Circuit Elements, Meter, Warning Lamp & Indicator, Warning Chime System, Sonar System, Audio, Visual & Navigation System, Cruise Control System, Driver Assistance System, Drive Mode System, Maintenance.

Wiring Schematics:

Comprehensive wiring diagrams for all electrical systems.

Hybrid Systems Coverage:

Includes detailed sections on Hybrid Control, Hybrid Battery, Hybrid Brake, EV Control, Traction Motor, EV Battery, Vehicle Charging, and High Voltage Cooling Systems, indicating potential for hybrid variants or thorough documentation of related components.

Procedures Included:

Repair, Maintenance, Rebuilding, Refurbishing, Restoration, Diagnostics, Troubleshooting, Step-by-step instructions, complete disassembly procedures.

Diagnostic Procedures:

Detailed diagnostic trees and fault code explanations.

Technical Depth:

Comprehensive, covering every detail from basic maintenance to advanced repair procedures, including diagnostic and repair specifics.

Illustrations And Diagrams:

Hundreds of detailed illustrations and exploded view diagrams.

📊 Manual Specifications

File Quality:

100% Complete and Intact, no missing/corrupt pages/sections, Bookmarked, Searchable.

Searchable Text:

Yes

Bookmarked:

Yes

Binding Type:

Digital Download (printable)

Paper Type:

Not Applicable (Digital)

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated V6

Engine Displacement:

3.7 Liters (3696 cc)

Horsepower:

328 hp @ 7000 RPM (approx.)

Torque:

267 lb-ft @ 5200 RPM (approx.)

Compression Ratio:

11.0:1

Fuel Delivery:

Electronic Fuel Injection (EFI)

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Engine Control Module:

ECM/ECU with comprehensive diagnostic capabilities

Engine Family:

VQ37VHR

🔧 Transmission

Transmission Type:

7-Speed Automatic Transmission with Manual Shift Mode

Transmission Type Optional:

6-Speed Manual Transmission (less common)

Transmission Features:

Direct adaptive shift control, sport mode, downshift rev matching.

Gear Ratios Automatic Example:

1st: 4.04, 2nd: 2.37, 3rd: 1.54, 4th: 1.17, 5th: 0.92, 6th: 0.76, 7th: 0.63, Reverse: 3.19

📐 Dimensions

Length:

183.1 inches

Width:

70.7 inches

Height:

57.7 inches

Wheelbase:

112.2 inches

Curb Weight:

Approximately 3600-3800 lbs (depending on drivetrain)

Gross Vehicle Weight Rating:

Approximately 4762 lbs

🛡️ Safety Features

NHTSA Rating:

Likely achieved 4 or 5-star ratings in various categories during its production run as it shared platforms with the G37.

Active Safety Features:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA), Vehicle Dynamic Control (VDC), Traction Control System (TCS).

Brake System Type:

4-Wheel Vented Disc Brakes with ABS and EBD

Passive Safety Features:

Front dual-stage airbags, front side-impact airbags, front and rear side curtain airbags, active head restraints.

💡 Technology Features

Infotainment System:

Infiniti's signature color display, available navigation system, Bluetooth connectivity, USB ports, and premium audio options (e.g., Bose).

Driver Assistance Features:

Available features include Intelligent Cruise Control (ICC), Forward Collision Warning (FCW), and Backup Collision Intervention (BCI) on higher trims or as options.

Parking Assistance:

Available parking sensors (front and rear), rearview camera.

Connectivity Options:

Bluetooth hands-free phone system, streaming audio, SiriusXM Satellite Radio, and iPod integration.

🔧 Maintenance

Oil Change Interval:

Every 5,000 to 7,500 miles or 6 to 12 months, depending on driving conditions and oil type used (refer to manual for specifics).

Engine Air Filter Replacement:

Every 15,000 to 30,000 miles or as needed based on inspection.

Cabin Air Filter Replacement:

Every 15,000 to 30,000 miles or annually.

Spark Plug Replacement:

Approximately 105,000 miles (Iridium type spark plugs)

Engine Oil Specification:

API SN or ILSAC GF-5 certified synthetic oil, SAE 0W-20 recommended.

Coolant Specification:

Nissan Genuine Super Coolant (Blue) or equivalent silicate-free, extended-life antifreeze/coolant.

Transmission Fluid Type:

Nissan Genuine Matic S ATF (for automatic transmission) or equivalent.

Brake Fluid Specification:

SAE J1703 or FMVSS No. 116 DOT 3 brake fluid.

Power Steering Fluid Type:

Nissan Genuine PSF or equivalent.

Common Issues:

Potential for oil consumption in some VQ37VHR engines (though less prevalent than in earlier iterations), suspension component wear (bushings, ball joints), HVAC blower motor issues, and occasional electronic module glitches.

Specific Wear Items:

Timing chain guides and tensioners (though less common on the VQ37VHR compared to earlier VQ engines), drive belts.

📚 Vehicle History

Brand Heritage:

Infiniti, Nissan's luxury division, established in 1989, known for performance, luxury, and advanced technology.

Model Evolution:

The Q40 was essentially a rebadged Infiniti G37 Sedan, introduced in 2013 as a transition model before the Q50 sedan fully took over. It retained the core engineering and styling of the G37.

Predecessor:

Infiniti G37 Sedan

Production Years:

2013-2015 (as Q40)

Manufacturing Location:

Japan (primarily)