🏷️ Basic Information Identification Make: Infiniti Model: FX45 Year: 2003 Codes Chassis Code: S50 Platform: Nissan FM platform 👋 Introduction Market Position Segment: Luxury Performance Crossover SUV Target Audience: Owners seeking to perform DIY maintenance and repairs, professional technicians Competitive Analysis Competitors: BMW X5, Porsche Cayenne, Mercedes-Benz ML-Class, Lexus RX330 Key Features Manual Advantage: Officially licensed, derived from OE materials, convenient online access Ease Of Use: User-friendly interface, accessible on multiple devices Value Proposition Cost Savings: Reduces reliance on expensive repair shops 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Software Language: English Format: Online Software (Browser-based) Access Duration: 1 Year (with option for renewal discounts) Compatibility: PC, Laptop, Smartphone, Tablet (via Web Browser and Internet Connection) 📖 Manual Coverage Systems Covered Powertrain: Engine, Drivetrain (All-Wheel Drive), Transmission Chassis: Suspension (Front & Rear), Steering System, Brake System Electrical: Wiring Diagrams, Lighting, Instrumentation, Audio System, HVAC Controls, Power Accessories Body: Body Panel Repair, Doors, Glass, Trim, Exterior and Interior Components Procedures Included Maintenance: Scheduled Maintenance, Fluid Checks and Changes, Filter Replacements, Tune-ups Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Component Testing Repair: Component Removal and Installation, Overhaul Procedures, Component Reassembly Specifications: Torque Values, Clearances, Tolerances, Electrical Resistance Values Technical Depth Level: Comprehensive Factory-Derived Information Detail: Step-by-step repair procedures with diagrams and illustrations Scope: Covers routine maintenance to complex repairs and diagnostics 📊 Manual Specifications File Format Type: Web-based application Content Access: Searchable and navigable text Print Quality Availability: Not applicable (online format) Binding Type Type: Not applicable (online format) Paper Type Type: Not applicable (online format) ⚙️ Engine Specifications Primary Engine Engine Code: VQ45DE Engine Type: 4.5L V8 DOHC 32-valve Bore X Stroke: 93.0 mm x 82.7 mm (3.66 in x 3.26 in) Compression Ratio: 9.6:1 Performance Horsepower: 325 hp @ 6400 rpm Torque: 330 lb-ft @ 3200 rpm Fuel System Induction: Multi-point Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Fuel Tank Capacity: 21.1 gallons (79.9 L) 🔧 Transmission Standard Type: 5-speed Automatic with Manual Shift Mode Transmission Fluid Type: Nissan Matic J or equivalent Features Drive System: ATTESA E-TS All-Wheel Drive (AWD) Transfer Case Fluid Type: Nissan Differential Fluid R 📐 Dimensions Exterior Length: 189.7 in (4818 mm) Width: 73.5 in (1867 mm) Height: 67.1 in (1704 mm) Wheelbase: 113.0 in (2870 mm) Ground Clearance: 7.4 in (188 mm) Weights Curb Weight: 4,477 lbs (2,031 kg) Gross Vehicle Weight Rating: 5,655 lbs (2,565 kg) Cargo Cargo Volume Seats Up: 33.5 cu ft (948 L) Cargo Volume Seats Down: 65.0 cu ft (1841 L) 🛡️ Safety Features Ratings NHTSA Frontal Impact: 5-Star Driver and Passenger (for 2003 model year) IIHS Frontal Offset: Good (for 2003 model year) Active Features ABS: Standard Anti-lock Braking System (ABS) Ebd: Standard Electronic Brake-force Distribution (EBD) Vdc: Standard Vehicle Dynamic Control (VDC) Passive Features Airbags: Front Dual-Stage Airbags, Front Side-Impact Airbags, Side Curtain Airbags (Front & Rear) Seatbelts: Three-point Seatbelts with Pretensioners and Load Limiters Structure: Zone Body Construction with Reinforced Pillar 💡 Technology Features Infotainment Audio System: Bose Premium Audio System with 6-CD Changer Navigation: Optional GPS Navigation System Driver Assistance Cruise Control: Standard Intelligent Cruise Control (ICC) on some trims Connectivity Audio Input: Standard auxiliary audio input (typically for external devices, though primitive by modern standards) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles (8,000 km) or 6 months, whichever comes first (under normal driving conditions) Tire Rotation Interval: Every 5,000 miles (8,000 km) Air Filter Replacement Interval: Inspect every 15,000 miles (24,000 km), replace as needed. Fluid Specifications Engine Oil Spec: SAE 5W-30, API Certified Synthetic Blend or Full Synthetic Coolant Spec: Nissan Genuine Super Long Life Coolant (Blue) or equivalent (50/50 mix with distilled water) Brake Fluid Spec: SAE J1703 or FMVSS No. 116 DOT 3 Known Issues Common Complaint 1: Oil consumption (particularly on higher mileage engines, potential for PCV valve issues) Common Complaint 2: Wear on suspension components (bushings, ball joints) due to vehicle weight and performance Common Complaint 3: HVAC blower motor resistor failure leading to erratic fan speeds 📚 Vehicle History Brand Heritage Infiniti Launch: Infiniti was launched in 1989 as Nissan's luxury division. Model Evolution Fx Series Introduction: The Infiniti FX series debuted for the 2003 model year. Fx45 Positioning: The FX45 was the performance-oriented, V8-powered flagship model of the first-generation FX. Production Manufacturing Plant: Kanagawa, Japan 🏆 Awards & Recognition Recognitions Review Mention 1: Praised for its powerful V8 engine and sporty handling characteristics for an SUV. Review Mention 2: Considered a more enthusiast-oriented alternative to mainstream luxury SUVs of its era.