🏷️ Basic Information Identification Make: Lexus Model: SC430 Year: 2004 Product Type: Service & Repair Manual Software Codes Vin Prefix: JTL Generation Generation Code: Z30 Generation Years: 2001-2010 👋 Introduction Market Position Market Position: Luxury Grand Tourer (GT) convertible. Positioned as a refined, comfortable, and stylish two-door coupe/convertible offering performance and luxury amenities. Competitive Analysis Competitive Analysis: Competed with vehicles like the Mercedes-Benz SLK-Class, BMW Z4, Porsche Boxster, and Jaguar XK8. Differentiated itself with a focus on comfort, quietness, and Lexus' renowned reliability. Key Features Key Features: Retractable hardtop convertible, V8 engine, premium interior materials, advanced features for its time, sophisticated styling. 📋 Manual Details Coverage Areas Coverage Areas: All mechanical, electrical, body, and chassis systems; diagnostic procedures; maintenance schedules; troubleshooting guides; specifications; wiring diagrams; component locations. Page Count Page Count: Extensive (digital format, equivalent to several thousand printed pages) Manual Type Manual Type: Official Factory Service Manual (Electronic/Software) Language Language: English Format Format: Software/Digital Download (likely PDF or proprietary viewer) Licensing Licensing: Officially Licensed 📖 Manual Coverage Systems Covered Systems Covered: Engine mechanical, engine control system (ECM/PCM), fuel system, ignition system, cooling system, lubrication system, exhaust system, transmission (automatic), driveline, suspension (front & rear), steering system, braking system (ABS, EBD, VSC), power windows, power seats, climate control, audio system, navigation system, convertible top system, body electrical, lighting, airbags, security system, diagnostic trouble codes (DTCs). Procedures Included Procedures Included: Scheduled maintenance, routine inspections, oil and filter changes, fluid checks and replacements, component removal and installation, disassembly and assembly, diagnostic testing, troubleshooting flowcharts, electrical component testing, alignment procedures, brake servicing, air conditioning service, convertible roof maintenance and repair, wiring harness repair, ECU/ECM programming and adaptation. Convertible Top Procedures: Detailed procedures for inspection, diagnosis, repair, and adjustment of the power-operated retractable hardtop system, including hydraulic components and latches. Technical Depth Technical Depth: Comprehensive; covers basic maintenance to complex engine and transmission rebuilds, advanced electrical diagnostics, and structural repairs. Includes detailed torque specifications, clearances, and assembly sequences. Diagnostic Codes Diagnostic Codes Coverage: Includes comprehensive lists of Diagnostic Trouble Codes (DTCs) with their definitions, potential causes, and diagnostic procedures. Wiring Diagrams Wiring Diagrams Coverage: Detailed electrical system wiring diagrams for all major components and circuits, including component locations. Troubleshooting Troubleshooting Methodology: Utilizes symptom-based troubleshooting flowcharts and detailed diagnostic procedures keyed to DTCs. 📊 Manual Specifications File Format File Format: Likely a secure executable or PDF with interactive elements Print Quality Print Quality: N/A (Digital) Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) Searchability Searchability: Likely features robust search functionality within the software for quick access to specific topics and procedures. ⚙️ Engine Specifications Primary Engine Engine Code: 1UZ-FE Engine Type: 4.3L V8 DOHC 32-valve with Variable Valve Timing with intelligence (VVT-i) Performance Horsepower: 288 hp @ 6200 rpm Torque: 317 lb-ft @ 3500 rpm Fuel System Fuel Induction: Electronic Fuel Injection (EFI) with Sequential Port Fuel Injection Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic recommended (Refer to manual for specific API classification) Engine Oil Capacity: Approx. 9.2 US quarts (8.7 liters) with filter change Engine Management Engine Control Unit: Denso ECU (specific part number varies) Ignition System Type: Coil-on-plug (COP) ignition system Emission Controls Emission Controls: Catalytic converter, EGR system (where applicable), secondary air injection system. 🔧 Transmission Standard Transmission Type: 5-speed Electronically Controlled Automatic Transmission with Overdrive Features Transmission Features: Artificial Intelligence Shift (AI-SHIFT) control, Sequential Shiftmatic mode. Fluid Specifications Transmission Fluid Type: Toyota ATF WS (World Standard) or equivalent synthetic ATF Transmission Fluid Capacity: Approx. 10.3 US quarts (9.8 liters) for dry fill 📐 Dimensions Exterior Length: 181.5 inches (4610 mm) Width: 70.5 inches (1790 mm) Height: 53.2 inches (1350 mm) Wheelbase: 105.1 inches (2670 mm) Ground Clearance: Approx. 5.1 inches (130 mm) Weights Curb Weight: Approx. 3,748 - 3,858 lbs (1700 - 1750 kg) Cargo Cargo Volume: Approx. 5.1 cubic feet (convertible top up) 🛡️ Safety Features Ratings NHTSA Frontal Crash Rating: 5-Star (Driver and Passenger) IIHS Side Impact Rating: Good Active Features Active Safety Features: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA), Vehicle Stability Control (VSC), Traction Control (TRAC). Passive Features Passive Safety Features: Driver and front passenger airbags, front side-impact airbags with occupant classification system, front seatbelt pretensioners with force limiters, reinforced cabin structure, collapsible steering column, active headrests. Seatbelt System: 3-point seatbelts with pretensioners and force limiters for all seating positions. 💡 Technology Features Infotainment Infotainment System: Optional Lexus premium audio system with CD player, cassette player (early models), AM/FM radio. Optional navigation system with touch screen. Driver Assistance Driver Assistance Features: Parking sensors (optional), ABS, VSC, TRAC. Connectivity Connectivity Features: Limited by modern standards; typically features for audio input (cassette/CD), power outlets. Bluetooth was not standard in 2004. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles...
Luxury Grand Tourer (GT) convertible. Positioned as a refined, comfortable, and stylish two-door coupe/convertible offering performance and luxury amenities.
Competitive Analysis
Competitive Analysis:
Competed with vehicles like the Mercedes-Benz SLK-Class, BMW Z4, Porsche Boxster, and Jaguar XK8. Differentiated itself with a focus on comfort, quietness, and Lexus' renowned reliability.
Key Features
Key Features:
Retractable hardtop convertible, V8 engine, premium interior materials, advanced features for its time, sophisticated styling.
📋 Manual Details
Coverage Areas
Coverage Areas:
All mechanical, electrical, body, and chassis systems; diagnostic procedures; maintenance schedules; troubleshooting guides; specifications; wiring diagrams; component locations.
Page Count
Page Count:
Extensive (digital format, equivalent to several thousand printed pages)
Manual Type
Manual Type:
Official Factory Service Manual (Electronic/Software)
Language
Language:
English
Format
Format:
Software/Digital Download (likely PDF or proprietary viewer)
Licensing
Licensing:
Officially Licensed
📖 Manual Coverage
Systems Covered
Systems Covered:
Engine mechanical, engine control system (ECM/PCM), fuel system, ignition system, cooling system, lubrication system, exhaust system, transmission (automatic), driveline, suspension (front & rear), steering system, braking system (ABS, EBD, VSC), power windows, power seats, climate control, audio system, navigation system, convertible top system, body electrical, lighting, airbags, security system, diagnostic trouble codes (DTCs).
Procedures Included
Procedures Included:
Scheduled maintenance, routine inspections, oil and filter changes, fluid checks and replacements, component removal and installation, disassembly and assembly, diagnostic testing, troubleshooting flowcharts, electrical component testing, alignment procedures, brake servicing, air conditioning service, convertible roof maintenance and repair, wiring harness repair, ECU/ECM programming and adaptation.
Convertible Top Procedures:
Detailed procedures for inspection, diagnosis, repair, and adjustment of the power-operated retractable hardtop system, including hydraulic components and latches.
Technical Depth
Technical Depth:
Comprehensive; covers basic maintenance to complex engine and transmission rebuilds, advanced electrical diagnostics, and structural repairs. Includes detailed torque specifications, clearances, and assembly sequences.
Diagnostic Codes
Diagnostic Codes Coverage:
Includes comprehensive lists of Diagnostic Trouble Codes (DTCs) with their definitions, potential causes, and diagnostic procedures.
Wiring Diagrams
Wiring Diagrams Coverage:
Detailed electrical system wiring diagrams for all major components and circuits, including component locations.
Troubleshooting
Troubleshooting Methodology:
Utilizes symptom-based troubleshooting flowcharts and detailed diagnostic procedures keyed to DTCs.
📊 Manual Specifications
File Format
File Format:
Likely a secure executable or PDF with interactive elements
Print Quality
Print Quality:
N/A (Digital)
Binding Type
Binding Type:
N/A (Digital)
Paper Type
Paper Type:
N/A (Digital)
Searchability
Searchability:
Likely features robust search functionality within the software for quick access to specific topics and procedures.
⚙️ Engine Specifications
Primary Engine
Engine Code:
1UZ-FE
Engine Type:
4.3L V8 DOHC 32-valve with Variable Valve Timing with intelligence (VVT-i)
Performance
Horsepower:
288 hp @ 6200 rpm
Torque:
317 lb-ft @ 3500 rpm
Fuel System
Fuel Induction:
Electronic Fuel Injection (EFI) with Sequential Port Fuel Injection
Fuel Type:
Premium Unleaded Gasoline (91 Octane or higher recommended)
Fluid Specifications
Engine Oil Type:
SAE 5W-30 Synthetic recommended (Refer to manual for specific API classification)
Engine Oil Capacity:
Approx. 9.2 US quarts (8.7 liters) with filter change
Engine Management
Engine Control Unit:
Denso ECU (specific part number varies)
Ignition System Type:
Coil-on-plug (COP) ignition system
Emission Controls
Emission Controls:
Catalytic converter, EGR system (where applicable), secondary air injection system.
🔧 Transmission
Standard
Transmission Type:
5-speed Electronically Controlled Automatic Transmission with Overdrive
Toyota ATF WS (World Standard) or equivalent synthetic ATF
Transmission Fluid Capacity:
Approx. 10.3 US quarts (9.8 liters) for dry fill
📐 Dimensions
Exterior
Length:
181.5 inches (4610 mm)
Width:
70.5 inches (1790 mm)
Height:
53.2 inches (1350 mm)
Wheelbase:
105.1 inches (2670 mm)
Ground Clearance:
Approx. 5.1 inches (130 mm)
Weights
Curb Weight:
Approx. 3,748 - 3,858 lbs (1700 - 1750 kg)
Cargo
Cargo Volume:
Approx. 5.1 cubic feet (convertible top up)
🛡️ Safety Features
Ratings
NHTSA Frontal Crash Rating:
5-Star (Driver and Passenger)
IIHS Side Impact Rating:
Good
Active Features
Active Safety Features:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA), Vehicle Stability Control (VSC), Traction Control (TRAC).
Passive Features
Passive Safety Features:
Driver and front passenger airbags, front side-impact airbags with occupant classification system, front seatbelt pretensioners with force limiters, reinforced cabin structure, collapsible steering column, active headrests.
Seatbelt System:
3-point seatbelts with pretensioners and force limiters for all seating positions.
💡 Technology Features
Infotainment
Infotainment System:
Optional Lexus premium audio system with CD player, cassette player (early models), AM/FM radio. Optional navigation system with touch screen.
Driver Assistance
Driver Assistance Features:
Parking sensors (optional), ABS, VSC, TRAC.
Connectivity
Connectivity Features:
Limited by modern standards; typically features for audio input (cassette/CD), power outlets. Bluetooth was not standard in 2004.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first, using synthetic oil. Refer to specific conditions in the manual.
Major Service Interval:
Timing belt: Not applicable (uses a timing chain). Other major services at 30,000, 60,000, 90,000 miles typically involving spark plugs, filters, fluids, and inspections. Refer to manual for detailed schedule.
Transmission Fluid Change Interval:
Every 60,000 miles (96,000 km) or as per severe service conditions. Inspect regularly.
Fluid Specifications
Coolant Type:
Toyota Super Long Life Coolant (SLLC) - Pink
Brake Fluid Type:
SAE J1703 or FMVSS No. 116 DOT 3
Power Steering Fluid Type:
Toyota Genuine Power Steering Fluid or Dexron III ATF
Differential Fluid Type:
GL-5 Gear Oil, SAE 75W-90 (Refer to manual for specific specifications and capacity)
Known Issues
Common Issues:
Convertible top hydraulic system leaks or malfunctions, sticky dashboard material (early models), occasional issues with electronic components (e.g., navigation, audio), timing chain tensioner wear (rare but possible), fuel pump failure.
📚 Vehicle History
Brand Heritage
Brand Heritage:
Lexus, the luxury division of Toyota, established in 1989, is renowned for its commitment to quality, reliability, comfort, and customer service.
Model Evolution
Model Evolution:
The SC430 replaced the SC300/SC400 (first generation). It marked a significant shift to a V8 engine as standard and introduced a retractable hardtop. It was based on the platform shared with the Toyota Soarer and Lexus GS models of the same era.
Platform Sharing:
Based on the GRX100 platform shared with the Lexus GS and Toyota Soarer.
Production
Production Years:
2001-2010
Manufacturing Location:
Japan
🏆 Awards & Recognition
Recognitions
Awards:
Consistently praised for its build quality, reliability, and comfortable ride. While specific awards might vary, it was recognized in its segment for luxury and refinement.
Ratings
Reliability Ratings:
Generally rated as excellent by Consumer Reports and JD Power for its generation, reflecting Lexus' strong reputation.