🏷️ Basic Information Identification Make: Lexus Model: LS400 Year: 1994 Codes Chassis Code: XF10 Engine Code: 1UZ-FE 👋 Introduction Market Position Market Position: Flagship Luxury Sedan of its era, designed to compete with established European luxury marques. Known for exceptional build quality, refinement, and reliability. Competitive Analysis Competitors: Mercedes-Benz S-Class, BMW 7 Series, Jaguar XJ, Cadillac DeVille. Key Features Key Features Vehicle: Smooth V8 engine, advanced (for its time) suspension, opulent interior, quiet ride, legendary Toyota/Lexus reliability. Key Features Manual: Official factory data ensures accuracy and completeness. Digital format provides easy access and searchability, crucial for efficient repairs. 📋 Manual Details Coverage Areas Covered Models: 1994 Lexus LS400 (all trims) Page Count Page Count: Est. 2000+ pages (typical for factory service manual) Manual Type Manual Type: Official Factory Service & Repair Manual Software Language Language: English Format Format: Digital Software (likely PDF or proprietary viewer) 📖 Manual Coverage Systems Covered Engine: Full Engine Mechanical, Lubrication, Cooling, Fuel Delivery, Ignition, Emissions Control, Engine Management (ECU) Transmission: 4-Speed Automatic Transmission (A340E), Drivetrain, Axles, Differentials Brakes: Hydraulic System, ABS (Anti-lock Braking System), Brake Components, Parking Brake Suspension: Front Independent Suspension (Double Wishbone), Rear Independent Suspension (Multi-link), Bushings, Shock Absorbers, Springs Steering: Power Steering System, Steering Gear, Column, Linkages Electrical: Battery, Charging System, Starting System, Lighting, Instrumentation, Fuses, Relays, Wiring Diagrams, ECU Diagnostics HVAC: Heating, Ventilation, Air Conditioning System, Refrigerant, Components, Controls Body: Body Panels, Doors, Windows, Glass, Seats, Interior Trim, Exterior Trim, Paint and Corrosion Protection Chassis: Frame Structure, Body Mounting, Exhaust System Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replacements, Tune-ups Diagnostics: Troubleshooting Guides, Symptom-based Diagnostics, Diagnostic Trouble Codes (DTCs), Scan Tool Procedures Repair: Component Removal and Installation, Major Component Overhaul, System Repairs, Adjustments Specifications: Torque Specifications, Clearances, Timing Settings, Electrical Values Wiring: Detailed Electrical Schematics, Connector Pinouts, Wiring Harness Routing Technical Depth Depth: Comprehensive: Covers all aspects from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures. 📊 Manual Specifications File Format File Format: Digital Software (typically PDF or proprietary executable) Print Quality Print Quality: High-resolution, suitable for printing individual sections or the entire manual. Binding Type Binding Type: N/A (Digital Software) Paper Type Paper Type: N/A (Digital Software) Searchability Searchability: Fully searchable text content for quick information retrieval. Interactivity Interactivity: May include hyperlinked sections and diagrams for enhanced navigation. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V8 Displacement: 4.0 Liters (3969 cc) Bore X Stroke: 87.5 mm x 82.5 mm Compression Ratio: 9.5:1 Valvetrain: DOHC (Dual Overhead Camshafts), 32 Valves (4 valves per cylinder) Fuel Delivery: Electronic Fuel Injection (EFI) - Sequential Multi-point Ignition System: Electronic Ignition with Knock Control Performance Horsepower: 250 hp @ 5300 rpm (SAE Net) Torque: 265 lb-ft @ 4500 rpm (SAE Net) Fuel System Fuel Type: Unleaded Gasoline, 91 Octane (AKI) or higher recommended Fluid Capacities Engine Oil Capacity: 6.8 US Quarts (6.4 Liters) with filter Coolant Capacity: 9.8 US Quarts (9.3 Liters) 🔧 Transmission Standard Transmission Type: 4-Speed Electronically Controlled Automatic Overdrive (ECT) Transmission Model: A340E Optional Optional Transmission: N/A (Only Automatic Offered) Features Transmission Features: Sport Mode, Power Mode, Grade Logic Control Fluid Specifications Transmission Fluid Type: Dexron II (or equivalent meeting specifications) Fluid Capacities Transmission Fluid Capacity: Approx. 3.8 US Quarts (3.6 Liters) for fluid change, 9.5 US Quarts (9.0 Liters) for overhaul. 📐 Dimensions Exterior Length: 197.2 inches (5009 mm) Width: 71.7 inches (1821 mm) Height: 54.7 inches (1390 mm) Wheelbase: 112.2 inches (2850 mm) Front Track: 61.6 inches (1565 mm) Rear Track: 61.6 inches (1565 mm) Weights Curb Weight: Approx. 3750 lbs (1701 kg) Gross Vehicle Weight Rating: Approx. 4650 lbs (2110 kg) Towing Capacity: Not Recommended/Rated 🛡️ Safety Features Ratings NHTSA Frontal Crash Rating: Not rated by current NHTSA standards for this era. Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available Traction Control System (TRAC) on some models/trims Passive Features Airbags: Driver's side airbag standard. Seatbelts: 3-point front and rear seatbelts with pretensioners. Rollover Protection: Reinforced body structure. 💡 Technology Features Infotainment Infotainment System: Premium audio system (e.g., Nakamichi or JBL branded options), cassette player, AM/FM stereo, optional CD player. Analog climate controls with digital display for temperature. Driver Assistance Driver Assistance Features: ABS, Cruise Control. Limited to systems available for the mid-1990s. Connectivity Connectivity Features: N/A (No modern connectivity features like Bluetooth or USB). Lighting Lighting Features: Halogen headlights, automatic headlights (on/off function). Comfort Features Comfort Features: Power adjustable front seats with memory, power tilt/telescopic steering wheel, dual-zone climate control, optional heated seats, premium leather upholstery. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months (whichever comes first) under normal driving conditions. Consult manual for severe conditions. Transmission Fluid Change: Recommended every 30,000 - 60,000 miles (check manual for specific recommendation based on usage). Coolant Flush: Every 30,000 miles or 2...