🏷️ Basic Information

Make:

Infiniti

Model:

FX35

Year:

2003

Platform:

Nissan FM platform

👋 Introduction

Segment:

Luxury Crossover SUV (CUV)

Target Audience:

Performance-oriented buyers seeking a blend of SUV practicality and sports car dynamics

Primary Competitors:

BMW X5, Mercedes-Benz ML-Class, Lexus RX330, Acura MDX

Design:

Sporty, coupe-like profile, unique styling differentiating it from traditional SUVs

Performance:

Powerful V6 engine, available AWD, rear-wheel-drive bias for enhanced handling

Premium Appointments:

Luxury interior, advanced technology for its time

📋 Manual Details

Primary Focus:

Service, Repair, Maintenance, Troubleshooting, Diagnostics

Geographic Scope:

Global (based on standard Infiniti specifications for the model year)

Estimated Page Count:

Likely extensive, reflecting a full factory service manual (specific number not provided, but described as 'very large')

Type:

Factory Service Manual / Workshop Manual / Repair Guide

Purpose:

Designed for professional technicians, mechanics, and DIY enthusiasts

Primary Language:

English

Digital Format:

PDF (potentially within a ZIP archive)

Compatibility:

Windows, Linux, Mac operating systems

Access:

Instant Download after purchase

📖 Manual Coverage

Engine Mechanical:

Engine block, cylinder head, crankshaft, pistons, camshafts, timing system, valves, lubrication system (oil pump, filter), cooling system (radiator, water pump, fan), fuel system (fuel pump, injectors, throttle body)

Engine Control:

Engine control system (ECU), emission control systems, knock sensor, camshaft position sensor, diagnostics

Transmission:

Automatic transaxle (fluid, assembly, valve body, sensors, torque converter), manual transaxle (oil, assembly, clutch system, release cylinder, master cylinder, pedal)

Drivetrain:

Front drive shaft, rear axle hub, rear axle beam, differential case, drive shaft

Suspension Steering:

Front suspension (arm, stabilizer bar, shock absorber, wheel alignment), rear suspension (system, shock absorber, coil spring, wheel alignment), power steering (system, link, pump), steering system (sensor, column)

Brakes:

Brake system, brake fluid, brake booster, brake actuator, brake pedal, master cylinder, front brake, rear brake

Wheels Tires:

Wheel and tire system, tire & wheel specifications

Body Exterior:

Body repair, front bumper, rear bumper, fenders, mudguards, doors (front, rear), back door, glass (windshield, door, back door), weatherstripping, roof, exterior trim

Body Interior:

Interior components, instrument panel, center cluster module, seats, seat belts, roof headlining, garnish, cigarette lighter, audio & visual system, speakers

Electrical Lighting:

Lighting system, headlights (assy, protector, dimmer switch), taillights (rear combination lamp), license plate lamp, horn, ignition system, starter system, generator, charging system, battery, power windows, power mirrors, power door locks, antenna system, wipers and washer system (motor, rubber, switch)

Safety Restraint:

Supplemental Restraint System (SRS), airbags (front seat, side, curtain shield, center air bag sensor, front air bag sensor, rear air bag sensor), yaw rate sensor, seat belt warning system

Climate Control:

Air conditioning system, refrigerant, blower, amplifier, heater, ventilator control

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotation, spark plug replacement, belt inspection/replacement

Troubleshooting:

Diagnostic procedures for common and complex issues across all systems

Repair Rebuild:

Detailed step-by-step instructions for component removal, repair, installation, and overhaul (e.g., engine rebuild, transmission overhaul)

Diagnostics:

Wiring diagrams, component testing, fault code interpretation

Inspection:

Pre-delivery inspection (PDI), periodic inspections

Depth:

Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds, including electrical diagnostics and body repairs.

Illustrations:

Includes clear, step-by-step illustrated instructions, zoomable illustrations, detailed component explosions, and exploded views.

📊 Manual Specifications

Type:

PDF

Compression:

May be zipped (.zip/.rar), requiring unzipping software (WinZip/WinRAR)

File Size:

Can be very large, up to 4000 MB (buyer should check storage space)

Printable:

Yes, can be printed from any computer and printer.

Quality Level:

Very best quality, high detail

Binding:

Not applicable (digital download only, not a hard copy)

Paper Type:

Not applicable (digital download only, not a hard copy)

⚙️ Engine Specifications

Engine Code:

VQ35DE

Engine Type:

3.5L V6 DOHC 24-valve

Bore X Stroke:

95.5 mm x 81.4 mm

Displacement:

3498 cc (3.5 Liters)

Horsepower:

280 hp @ 6200 rpm (approx.)

Torque:

270 lb-ft @ 4800 rpm (approx.)

Induction:

Electronic Fuel Injection (EFI) with Sequential Multi-Port Fuel Injection (SFI)

Fuel Type:

Unleaded gasoline (91 octane or higher recommended)

Ignition System:

Distributorless Ignition System (DIS) with individual ignition coils

Engine Control Unit:

ECU (specific part number would be in the manual)

🔧 Transmission

Type:

5-speed automatic transaxle (RE5R01A)

Type:

None for the 2003 FX35 in most markets; a manual transmission was not offered for this model year.

Drive Modes:

Adaptive Shift Control (ASC), Snow Mode

Automatic Transmission Fluid:

Nissan Matic Fluid J (or equivalent Dexron III H)

📐 Dimensions

Length:

Approx. 191.5 inches (4865 mm)

Width:

Approx. 73.2 inches (1860 mm)

Height:

Approx. 66.1 inches (1680 mm)

Wheelbase:

Approx. 112.2 inches (2850 mm)

Ground Clearance:

Approx. 7.4 inches (188 mm)

Curb Weight:

Approx. 3800-4000 lbs (1724-1814 kg) depending on drivetrain

Gross Vehicle Weight Rating:

Varies by configuration, typically around 5000 lbs

🛡️ Safety Features

NHTSA Front Impact:

5-Star (for driver and passenger, based on available data for the period)

IIHS Side Impact:

Good (for vehicles of similar size and weight, based on general expectations for this class and era)

Stability Control:

Vehicle Dynamic Control (VDC)

Traction Control:

Traction Control System (TCS)

Braking Systems:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA)

Airbags:

Front dual-stage airbags, front side-impact airbags, available front and rear curtain side-impact airbags

Seat Belts:

Pre-tensioner and load-limiting front seat belts, three-point rear seat belts

Body Structure:

Reinforced body structure for crash energy management

💡 Technology Features

Audio System:

Premium Bose audio system with CD player and AM/FM radio, auxiliary input.

Navigation:

Optional DVD-based navigation system.

Cruise Control:

Standard cruise control.

Parking Assistance:

Rear parking sensors were optional.

Telematics:

No advanced telematics or smartphone integration available for this model year.

🔧 Maintenance

Oil Change:

Every 3,750 miles (6,000 km) or 3 months for severe driving conditions; 7,500 miles (12,000 km) or 6 months for normal conditions (refer to manual for specifics).

Air Filter Replacement:

Every 15,000 miles (24,000 km) or 12 months.

Cabin Air Filter Replacement:

Every 15,000 miles (24,000 km) or 12 months.

Spark Plug Replacement:

Every 105,000 miles (168,000 km) (using long-life iridium-tipped spark plugs).

Transmission Fluid Change:

At 60,000 miles (96,000 km) or every 48 months, inspect more frequently under severe use.

Engine Oil:

SAE 5W-30, API SJ or higher (Nissan Genuine Synthetic Motor Oil recommended)

Coolant:

Nissan Super Long Life Coolant (Blue) or equivalent (50/50 mix with distilled water)

Brake Fluid:

SAE J1703 or FMVSS 116 DOT 3

Power Steering Fluid:

Nissan Genuine Power Steering Fluid or equivalent Dexron III

Common Problems:

Potential issues include oil leaks from valve covers or oil pan, ABS actuator failure, fuel level sensor issues, headlight condensation, and HVAC blower motor failures. The manual would detail diagnosis and repair for these.

Wear Items:

Brake pads and rotors, tires, suspension components (bushings, ball joints), exhaust system components.

📚 Vehicle History

Brand Origin:

Infiniti, Nissan's luxury division, established in 1989.

Introduction Year:

2003 (as a new model for the 2003 model year)

First Generation:

Infiniti FX (FX35 and FX45) 2003-2008. The FX35 was the primary volume model, while the FX45 offered a more powerful V8 engine.

Design Inspiration:

Developed alongside the Nissan 350Z (Z33), sharing its FM platform and powertrain elements.

Manufacturing Location:

Plant: Tochigi, Japan (Nissan Shatai Co., Ltd.)

🏆 Awards & Recognition

Awards:

While specific awards for the 2003 model are less documented than later iterations, the FX series was generally well-received for its bold styling and performance, often appearing on 'most stylish' or 'best performance' lists for its segment during its debut.