🏷️ Basic Information Identification Make: Lexus Model: RX400H Model Year: 2005 Generation Generation: First Generation (XU30) Codes Chassis Code: XU30 Engine Code General: 3MZ-FE (for gasoline engine portion of hybrid system) 👋 Introduction Market Position Segment: Luxury Mid-size Hybrid SUV. Positioning: The RX400H was a pioneering luxury hybrid SUV, offering a blend of SUV practicality, Lexus refinement, and advanced hybrid fuel efficiency and performance. Competitive Analysis Key Competitors: Competed against other luxury SUVs and advanced technology vehicles of its era, differentiating itself with its groundbreaking hybrid powertrain. Key Features Powertrain Highlight: Advanced Lexus Hybrid Drive system combining a powerful V6 gasoline engine with electric motors for enhanced performance and fuel economy. Luxury Appointments: Renowned Lexus comfort, quiet cabin, premium materials, and sophisticated features expected in the luxury segment. SUV Versatility: Practicality of an SUV with seating for five, ample cargo space, and optional all-wheel drive. 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair information for the 2005 Lexus RX400H. Engine Coverage: 3.3L V6 DOHC Hybrid (3MZ-FE), electric motors, hybrid system components, battery management. Transmission Coverage: Hybrid Transaxle (ECVT - Electronically controlled Continuously Variable Transmission), power split device. Chassis Coverage: Suspension (front/rear), steering, brakes (including regenerative braking), drivetrain, AWD system. Electrical Coverage: Complete electrical system, including hybrid control, diagnostics, lighting, power accessories, charging system. Body Coverage: Body panels, doors, windows, interior trim, HVAC system, safety systems (airbags, seatbelts). Page Count Estimated Page Count: Extensive (typically 2000+ pages for a complete factory service manual equivalent) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Detailed coverage of the entire hybrid powertrain, including the 3.3L V6 engine, electric motors, power control unit, and high-voltage battery system. Drivetrain: Front-wheel drive and Electronically Controlled All-Wheel Drive (E-Four) system operation and repair. Suspension Steering: MacPherson strut front suspension, multi-link rear suspension, power rack and pinion steering system (including hybrid electric power steering). Brakes: Four-wheel disc brakes, ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), Brake Assist, and crucial regenerative braking system diagnostics and repair. Electrical Electronic Systems: Comprehensive coverage of the vehicle's complex electrical architecture, including the CAN (Controller Area Network) communication system, diagnostic trouble codes (DTCs), fuse/relay locations, lighting systems, power accessories, and hybrid system electronics. HVAC: Air conditioning, heating, climate control system, including component testing and refrigerant handling procedures. Body Interior: Body panel repair, door mechanisms, glass replacement, interior trim removal and installation, seat adjustments, and panel fitment. Procedures Included Maintenance Routine: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tire rotation, battery checks, brake inspections. Engine Repair: Engine disassembly, component inspection, rebuild procedures, valve timing, piston/ring installation, gasket replacement, cooling system servicing. Hybrid System Service: Inverter replacement, DC-DC converter service, hybrid battery diagnostics, motor generator troubleshooting, high-voltage cable inspection and replacement (with safety precautions). Transmission Service: Hybrid transaxle fluid changes, torque converter service, seal replacement, power split device maintenance. Brake Service: Brake pad and rotor replacement, caliper servicing, brake fluid bleeding, ABS modulator service, regenerative braking system component checks. Suspension Steering Repair: Shock absorber/strut replacement, ball joint and bushing replacement, steering rack repair, wheel alignment procedures, power steering pump/motor service. Electrical Diagnostics: Troubleshooting electrical faults, using diagnostic scan tools (e.g., Techstream), diagnosing DTCs, component testing, wiring diagram interpretation. Troubleshooting Guide: Systematic troubleshooting flowcharts and symptom-based diagnostics for common and uncommon issues across all vehicle systems. Specifications Procedures: Torque specifications for all fasteners, diagnostic parameters, component testing values, alignment specifications, fluid capacities, and correct procedures for all repair operations. Technical Depth Depth: Comprehensive. Covers everything from basic scheduled maintenance to complex component diagnostics, removal/installation, and rebuild procedures for all major vehicle systems. Hybrid System Detail: Exceptional depth on the hybrid system, including the intricate interplay between the gasoline engine, electric motors, and power control unit, crucial for advanced hybrid maintenance and repair. Diagnostic Emphasis: Strong emphasis on diagnostic procedures and the use of specialized tools, essential for understanding and repairing modern vehicles, particularly hybrids. 📊 Manual Specifications File Format Format Details: Searchable PDF format, allowing quick navigation and keyword-based information retrieval. Print Quality Quality: High-resolution digital images, diagrams, and text for clear readability and precise reproduction of technical illustrations. Binding Type Binding If Printed: N/A (Digital Format) Paper Type Paper Type If Printed: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Gasoline Engine (part of hybrid system) Engine Code: 3MZ-FE Engine Configuration: 3.3 Liter V6, 24-valve DOHC with VVT-i (Variable Valve Timing with intelligence) Performance Combined System Horsepower: 268 hp @ 6000 rpm (approximate combined system output) Gasoline Engine Horsepower: 208 hp @ 5600 rpm Gasoline Engine Torque: 231 lb-ft @ 4500 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Regular Gasoline (87 Octane Recommended) Hybrid Components Electric Motors: Two electric motors (MG1 and MG2) integrated into the...