🏷️ Basic Information Identification Make: Infiniti Model: Q45 Year: 2001 Generation Generation: 2nd Generation (Y33) 👋 Introduction Market Position Market Position: Premium Luxury Sedan Target Audience: Luxury car buyers seeking comfort, performance, and refinement. Competitive Analysis Competitive Analysis: Competed against established luxury marques such as BMW 7 Series, Mercedes-Benz S-Class, and Lexus LS. Key Features Key Features: Powerful V8 engine, advanced suspension technology, opulent interior, sophisticated styling. Suspension System: Active Suspension (optional on some models), Multi-link front and rear suspension for refined ride and handling. 📋 Manual Details Coverage Areas Coverage Areas: Complete service and repair information Trim Level Coverage: Covers all factory trim levels for the 2001 Infiniti Q45. Page Count Page Count: Digital Access (Yearly Subscription) Manual Type Manual Type: Service and Repair Manual Software License Type: Officially Licensed, OE Material Derived Language Language: English Format Format: Online Software/Web-based Access Method: Web browser access on PC, Laptop, Smartphone, or Tablet. 📖 Manual Coverage Systems Covered Systems Covered: Engine, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Body, Chassis, Fuel System, Exhaust System, Cooling System, Lubrication System, Restraints System Wiring Diagrams: Includes comprehensive electrical schematics for all major systems. Body And Chassis: Includes body panel repair, structural components, chassis alignment, and collision repair information. HVAC: Coverage includes refrigerant handling, compressor, evaporator, condenser, and climate control module diagnostics and repair. Restraints System: Information on airbag system diagnostics, replacement, and seatbelt mechanisms. Procedures Included Procedures Included: Diagnostics, Troubleshooting, Repair, Maintenance, Component Replacement, Wiring Diagrams, Specifications Diagnostic Trouble Codes: Provides OBD-II code definitions, causes, and diagnostic procedures. Tire Rotation And Replacement: Detailed procedures for tire rotation, balancing, and replacement. Brake System Overhaul: Procedures for brake pad replacement, rotor resurfacing/replacement, caliper service, and brake bleeding. Technical Depth Technical Depth: Comprehensive Factory-Derived Information, suitable for DIY and Professional use Rebuild Procedures: Detailed procedures for engine and transmission disassembly, inspection, and reassembly. Diagnostic Tools: Information compatible with Nissan's CONSULT diagnostic interface (or equivalent OBD-II scanners). 📊 Manual Specifications File Format File Format: Proprietary Web-based Platform (Accessible via Browser) Searchability: Searchable text for quick information retrieval. Print Quality Print Quality: N/A (Digital) Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: VQ35DE (also known as VG35DE in some contexts, but VQ designation is common for this generation) Engine Type: 3.5L V6 DOHC 24-valve Performance Horsepower: 240 hp @ 6400 rpm Torque: 270 lb-ft @ 4800 rpm Bore X Stroke: 3.50 x 3.23 inches (89.0 mm x 82.0 mm) Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPFI) Engine Management Ignition System: Electronic Ignition (Coil-on-Plug) Engine Control Module: ECU (Specific Part Number varies) Emission Controls: Catalytic converter, oxygen sensors, secondary air injection system. Engine Type Block Material: Aluminum Alloy Head Material: Aluminum Alloy Compression Ratio: 9.0:1 🔧 Transmission Standard Transmission Type: 5-speed automatic with Manual Shift Mode (Sportshift) Features Transmission Features: Electronically Controlled Transmission with Overdrive Fluid Specifications Transmission Fluid Type: Nissan Matic J (or equivalent) 📐 Dimensions Exterior Wheelbase: 113.2 inches (2875 mm) Length: 201.4 inches (5115 mm) Width: 71.7 inches (1820 mm) Height: 56.3 inches (1430 mm) Weights Curb Weight: Approx. 3,825 lbs (1735 kg) Gross Vehicle Weight Rating: Typically around 4,800 lbs (2177 kg), check VIN plate for exact rating. 🛡️ Safety Features Ratings NHTSA Frontal Driver Rating: Not directly available for this specific year/model via current public databases, but typical for luxury sedans of the era. NHTSA Frontal Passenger Rating: Not directly available for this specific year/model via current public databases, but typical for luxury sedans of the era. Active Features Active Safety Features: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS), Vehicle Dynamic Control (VDC) Headlights: Xenon HID headlights (optional/standard depending on trim), Auto-leveling feature. Passive Features Passive Safety Features: Front Airbags, Side Airbags (optional/standard depending on trim), Pre-tensioning Seatbelts, Crumple Zones 💡 Technology Features Infotainment Infotainment System: Bose premium audio system, Navigation system (optional), CD player. Driver Assistance Driver Assistance Features: Cruise Control, Optional parking sensors. Connectivity Connectivity Features: Typically limited to analog inputs or early CD changers; no modern Bluetooth or USB connectivity natively. Comfort Features Comfort Features: Power adjustable seats with memory, heated seats, dual-zone automatic climate control, power moonroof. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles (6,000 km) or 3 months, or 7,500 miles (12,000 km) or 6 months with synthetic oil, whichever comes first (refer to manual for specific conditions). Engine Coolant Replacement: Initial 105,000 miles (168,000 km) or 7 years, then every 75,000 miles (120,000 km) or 5 years. Spark Plug Replacement: Approximately 105,000 miles (168,000 km) for iridium-tipped spark plugs. Transmission Fluid Change Interval: Every 30,000 miles (48,000 km) or 2 years under normal driving conditions; more frequently under severe conditions. Refer to manual. Fluid Specifications Engine Oil Type: API SG, SH, SJ, or ILSAC GF-II/GF-III certified SAE 5W-30 (check...