🏷️ Basic Information Identification Make: Lexus Model: SC400 Year: 1994 Codes Chassis Code: Z30 Engine Code: 1UZ-FE 👋 Introduction Market Position Positioning: The Lexus SC400 was positioned as a luxury personal luxury coupe, competing with established European and American rivals, emphasizing refinement, performance, and advanced technology. Competitive Analysis Competitors: Key competitors included the Mercedes-Benz E-Class Coupe, BMW 8 Series, Cadillac Eldorado, and the Acura Legend Coupe. The SC400 stood out for its V8 power, quiet cabin, and Lexus's reputation for reliability. Key Features Defining Characteristics: Smooth V8 power, sophisticated styling, quiet and luxurious interior, advanced features for its era, excellent build quality. 📋 Manual Details Coverage Areas Engine: Yes Transmission: Yes Brakes: Yes Suspension: Yes Steering: Yes Electrical System: Yes Body And Interior: Yes HVAC: Yes Fuel System: Yes Exhaust System: Yes Cooling System: Yes Troubleshooting: Yes Maintenance Schedules: Yes Page Count Estimated Pages: Over 1500 (typical for comprehensive factory manual) Manual Type Type: Official Factory Service & Repair Manual Language Language: English Format Format: Software (likely PDF or proprietary digital format) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed disassembly, assembly, inspection, and repair of engine components (pistons, rings, bearings, camshafts, valves, cylinder heads, block, crankshaft, etc.) Engine Electrical And Management: ECU operation, sensors (MAF, O2, knock, crank position, cam position), actuators (injectors, ignition coils), wiring diagrams, diagnostic trouble codes (DTCs) and procedures, EFI troubleshooting. Transmission Automatic: A340E: detailed inspection, repair, torque converter, valve body, planetary gear sets, electronic controls, fluid specifications, and pressure checks. Drivetrain: Driveshafts, universal joints, differential, axle shafts, hub bearings, torque specifications. Suspension Front: Double wishbone design, control arms, ball joints, bushings, shock absorbers, springs, wheel alignment specifications. Suspension Rear: Multi-link independent suspension, control arms, bushings, shock absorbers, springs, trailing arms, wheel alignment specifications. Brakes Hydraulic System: Brake fluid specifications, master cylinder, brake lines, calipers, wheel cylinders, bleeding procedures, hydraulic pressure testing. Brakes Anti Lock System ABS: ABS control unit, wheel speed sensors, hydraulic modulator, diagnostic procedures, ABS warning light troubleshooting. Steering System: Power steering pump, steering rack, tie rods, power steering fluid, hydraulic pressure, steering column, alignment. Cooling System: Radiator, water pump, thermostat, hoses, coolant specifications, flushing and filling procedures, fan clutch operation. Fuel System: Fuel pump, fuel filter, fuel injectors, fuel pressure regulator, EVAP system, fuel tank, fuel pump module. Exhaust System: Exhaust manifolds, catalytic converter, mufflers, pipes, hangers, oxygen sensors. Climate Control HVAC: A/C compressor, condenser, evaporator, refrigerant specifications, blower motor, heater core, control panel, diagnostic procedures. Body And Trim: Door panel removal, interior trim, seat removal, glass replacement, exterior panel alignment, bumper removal. Lighting System: Headlights, taillights, interior lights, fuse locations, bulb types, wiring. Wiring Diagrams: Comprehensive electrical schematics for all major systems, including power distribution, grounds, signal paths. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid level checks, tire rotation, spark plug replacement, belt inspection/replacement. Diagnostic Procedures: Systematic troubleshooting guides for common and uncommon issues, including symptom-based diagnostics and DTC interpretation. Repair Procedures: Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation. Specifications And Tolerances: Precise measurements, torque values, clearances, and wear limits for all critical components. Troubleshooting Charts: Flowcharts and tables to help identify the root cause of malfunctions. Wheel Alignment: Detailed specifications and procedures for caster, camber, and toe adjustments for both front and rear suspensions. Timing Belt Replacement: Crucial procedure for the 1UZ-FE engine, including timing marks and tensioner adjustment. Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission overhauls, including electrical diagnostics and bodywork repairs. 📊 Manual Specifications File Format File Type: Digital Software (e.g., PDF, proprietary viewer) Searchability: Likely searchable text, allowing quick access to specific information. Print Quality Quality: High resolution, clear diagrams, and legible text for easy printing of specific sections. Binding Type Type: N/A (Digital Format) Paper Type Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: 4.0L DOHC 32-valve V8 (1UZ-FE) Displacement: 3969 cc Performance Horsepower: 250 hp @ 5300 rpm (approximate, SAE net) Torque: 260 lb-ft @ 4400 rpm (approximate, SAE net) Fuel System Injection: Electronic Fuel Injection (EFI) with Sequential Port Injection Fuel Type: Unleaded Premium Gasoline (91 octane or higher recommended) Engine Management ECU: Engine Control Unit (ECU) managing fuel, ignition, and emissions Cooling System Coolant Capacity: Approx. 9.4 liters (9.9 US quarts) 🔧 Transmission Standard Type: 4-speed Electronically Controlled Automatic Transmission (A340E) Features Shift Modes: Power/Normal mode selector Fluid Specifications Fluid Type: Dexron IIE or Dexron III ATF Fluid Capacity Capacity: Approx. 9.1 liters (9.6 US quarts) for a complete fluid change. 📐 Dimensions Exterior Length: 4600 mm (181.1 in) Width: 1775 mm (69.9 in) Height: 1300 mm (51.2 in) Wheelbase: 2600 mm (102.4 in) Weights Curb Weight: Approx. 1600-1650 kg (3527-3638 lbs) 🛡️ Safety Features Ratings NHTSA Driver Front: Not extensively tested by modern standards, but built to robust 90s safety regulations. NHTSA Passenger Front: Not extensively tested...