🏷️ Basic Information Identification Make: Lexus Model: SC400 Year: 1992 Codes Chassis Code: Z30 Engine Code: 1UZ-FE 👋 Introduction Market Position Vehicle Segment: Luxury Grand Tourer Coupe Target Audience: Affluent buyers seeking a sophisticated, powerful, and comfortable personal luxury coupe. Competitive Analysis Primary Competitors: Nissan 300ZX (Z32), Mazda RX-7 (FD), Chevrolet Corvette (C4), Mercedes-Benz SL (R129), BMW 8 Series (E31) Key Features Design Philosophy: Blend of Lexus' renowned reliability and refinement with a powerful V8 engine and a sleek, aerodynamic design, offering a refined alternative to European and Japanese sports coupes. Manual Value Proposition: Provides comprehensive, accurate, and official factory-level repair and maintenance information, enabling owners and technicians to maintain and repair the vehicle effectively, preserving its value and performance. 📋 Manual Details Coverage Areas Systems Covered: Engine, Fuel System, Cooling System, Ignition System, Starting System, Charging System, Exhaust System, Clutch, Transmission (Automatic), Drive Shaft, Differential, Suspension (Front & Rear), Steering System, Brakes (Front & Rear Disc), ABS, Body Electrical, Climate Control, Chassis Electrical, Body & Frame, Interior Trim, Exterior Trim, SRS Airbag System, Diagnostics & Troubleshooting Page Count Estimated Pages: 1500+ Manual Type Type: Official Factory Service Manual (Digital Software) Language Language: English Format Format: Digital Software (likely searchable PDF or proprietary format) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed specifications, disassembly, inspection, assembly, and torque values for all major engine components including cylinder heads, pistons, crankshaft, camshafts, valves, timing belt, etc. Engine Electrical: Complete wiring diagrams, ECU pinouts, sensor operation, ignition timing, fuel injection control, starter system, alternator function, and diagnostic procedures. Transmission: Detailed procedures for automatic transmission fluid changes, inspection, removal, disassembly, assembly, and repair. Includes hydraulic control system diagrams and troubleshooting. Brakes: Coverage for front and rear disc brakes, including brake pad replacement, rotor inspection/replacement, brake caliper service, brake fluid bleeding, and Anti-lock Brake System (ABS) operation and diagnosis. Suspension Steering: Information on front and rear suspension components, alignment specifications, shock absorber/strut replacement, ball joints, control arms, and power steering system service. Procedures Included Routine Maintenance: Oil and filter changes, air filter replacement, spark plug replacement, coolant checks and flushes, brake fluid checks, tire rotation and pressure checks. Diagnostic Troubleshooting: Step-by-step troubleshooting guides for common and complex issues, including diagnostic trouble codes (DTCs) interpretation for engine, transmission, and ABS systems. Repair Rebuild: Comprehensive instructions for repairing or rebuilding major vehicle components, from engine internals to transmission overhaul and suspension component replacement. Electrical Diagnostics: Detailed wiring schematics, component testing procedures, and diagnostic flowcharts for all electrical systems, including the ECU, sensors, actuators, and comfort features. Technical Depth Depth: Factory-level technical detail suitable for professional technicians and experienced DIY enthusiasts, covering everything from basic maintenance to complex diagnostic procedures and component overhauls. 📊 Manual Specifications File Format File Type: Digital Software (likely PDF, with potential for proprietary searchability) Print Quality Print Readability: Designed for digital viewing, with clear diagrams and text. Printable pages if the format allows. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) Searchability Text Search: Likely supports text search if PDF format, enabling quick access to specific information. ⚙️ 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: 10.0:1 Valvetrain: DOHC, 32 Valves (4 valves per cylinder) Fuel Delivery: Electronic Fuel Injection (EFI) Performance Horsepower: 228 hp @ 5200 rpm Torque: 260 lb-ft @ 3600 rpm Redline: 6000 rpm Fuel System Fuel Type: Unleaded Premium Gasoline (91 Octane or higher) Fuel Tank Capacity: 18.5 US gallons (70 Liters) 🔧 Transmission Standard Type: 4-speed Electronically Controlled Automatic Transmission (ECT) Optional Type: None offered Features Shift Modes: Power and Normal modes Fluid Type: Dexron II 📐 Dimensions Exterior Length: 191.1 inches (4854 mm) Width: 70.5 inches (1791 mm) Height: 52.6 inches (1336 mm) Wheelbase: 109.2 inches (2774 mm) Front Track: 60.4 inches (1534 mm) Rear Track: 60.2 inches (1529 mm) Ground Clearance: 5.5 inches (140 mm) Interior Seating Capacity: 4 Passengers (2+2 configuration) Cargo Trunk Volume: 8.0 cubic feet (227 Liters) Weights Curb Weight: 3770 lbs (1710 kg) Gross Vehicle Weight Rating: 4600 lbs (2087 kg) 🛡️ Safety Features Ratings NHTSA Driver Front Impact: Not Rated (as most vehicles of this era) IIHS Driver Side Impact: Not Rated (as most vehicles of this era) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional Traction Control System (TRAC) Passive Features Airbags: Driver and Passenger SRS (Supplemental Restraint System) Airbags Seatbelts: Three-point Inertia-reel seatbelts with pre-tensioners Crumple Zones: Designed with front and rear crumple zones for energy absorption 💡 Technology Features Infotainment Audio System: Premium Nakamichi audio system with cassette player and optional CD changer. Digital climate control display often integrated with audio. Navigation: Optional, early generation GPS navigation system with a CRT screen. Driver Assistance Cruise Control: Standard electronic cruise control. Stability Control: Optional Traction...