The 2006 Toyota Prius (XW20) is a pioneering hybrid vehicle celebrated for its exceptional fuel efficiency and innovative technology. This model, powered by a 1.5L Atkinson cycle engine paired with a hybrid synergy drive system, delivered a combined 110 horsepower and an impressive range of features, including a distinctive aerodynamic design and a spacious interior. Building on an established reputation for reliability, the Prius offered an environmentally conscious transportation solution that set a benchmark in the automotive industry. This comprehensive service and repair manual provides extensive factory-level detail for the 2006 Toyota Prius. It covers all aspects of the vehicle, including the engine, hybrid system, transmission, brakes, steering, suspension, electrical systems, and HVAC. Within its detailed sections, owners and technicians will find routine maintenance schedules, diagnostic procedures, component removal and installation instructions, troubleshooting guides, and precise technical specifications, ensuring the longevity and optimal performance of the vehicle. 🏷️ Basic Information Identification Make: Toyota Model: Prius Year: 2006 Codes Chassis Code: XW20 Powertrain Code: 1NZ-FXE (1.5L Hybrid) 👋 Introduction Market Position Market Position: The 2006 Toyota Prius (XW20 generation) represented a significant step in mainstream hybrid vehicle adoption, offering fuel efficiency and innovative technology to a growing environmentally conscious market. Competitive Analysis Competitive Analysis: Competed primarily with other early hybrid offerings and fuel-efficient gasoline vehicles, distinguishing itself with its established hybrid synergy drive system and Toyota's reputation for reliability. Key Features Key Features: Distinctive aerodynamic hatchback design, advanced hybrid powertrain, spacious interior for its class, and a focus on fuel economy. 📋 Manual Details Coverage Areas Coverage Areas: Complete vehicle service and repair Page Count Estimated Page Count: Extensive (typical factory manuals for this era exceed 2000 pages digitally) Manual Type Manual Type: Factory-Licensed Service & Repair Manual Software Language Language: English Format Format: PDF Download (Web-based Access with 1-Year License) 📖 Manual Coverage Systems Covered Systems Covered: Engine, Hybrid System (HV Battery, Inverter, Motor-Generator), Transmission (eCVT), Brakes (Regenerative & Hydraulic), Steering, Suspension, Electrical System, HVAC, Body & Interior, Diagnostic Trouble Codes (DTCs), Wiring Diagrams Procedures Included Procedures Included: Routine Maintenance, Inspections, Component Removal & Installation, Troubleshooting, Diagnostics, Repair Procedures, Electrical System Diagnosis, Hybrid System Servicing, Engine Overhaul, Transmission Service, Brake System Bleeding and Component Replacement Technical Depth Technical Depth: Comprehensive factory-level detail including diagnostic procedures, specifications, component testing, and torque values. 📊 Manual Specifications File Format File Format: Web-accessible digital format Print Quality Print Quality: N/A (Digital) Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Atkinson Cycle Inline-4 Engine Displacement: 1.5 Liters (1497cc) Engine Codes: 1NZ-FXE Performance Combined System Horsepower: 110 hp @ 5000 rpm (1.5L engine + electric motor) Engine Horsepower: 76 hp @ 5000 rpm Engine Torque: 82 lb-ft @ 4200 rpm Electric Motor Torque: 200-260 lb-ft (approximate, depending on motor) Fuel System Fuel System Type: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline Recommended Octane: 87 🔧 Transmission Standard Transmission Type: Electronically Controlled Continuously Variable Transmission (ECVT) Transmission Fluid Type: Toyota Genuine ATF WS (World Standard) Features Transmission Features: Integrated with Toyota's Hybrid Synergy Drive (HSD) system, managing power split between the gasoline engine and electric motors. 📐 Dimensions Exterior Length: 174.6 inches Width: 66.7 inches Height: 58.7 inches Wheelbase: 104.5 inches Weights Curb Weight: 2955 - 3010 lbs (approximate) Cargo Cargo Volume: 16.1 cubic feet (rear seats up) 🛡️ Safety Features Ratings NHTSA Frontal Crash Rating: 5 Stars (Driver and Passenger) NHTSA Side Impact Rating: 5 Stars (Front and Rear Passengers) IIHS Moderate Overlap Front 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: Front dual-stage airbags, front and rear side curtain airbags, front seat-mounted side airbags, active front headrests 💡 Technology Features Infotainment Infotainment System: Standard AM/FM/CD audio system, optional touch-screen navigation system. Driver Assistance Driver Assistance Features: Keyless entry, push-button start, multi-information display with energy monitor. Connectivity Connectivity Features: Bluetooth (limited availability on base models), auxiliary audio input. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months, whichever comes first (using synthetic oil recommended) Tire Rotation Interval: Every 5,000 miles Engine Air Filter Replacement: Every 15,000 miles or as needed Cabin Air Filter Replacement: Every 10,000 miles or as needed Fluid Specifications Engine Oil Spec: API SN or SP, SAE 0W-20 (Synthetic recommended) Engine Oil Capacity: 3.9 US quarts (4.1 L) with filter change Coolant Type: Toyota Super Long Life Coolant (SLLC) Pink Hybrid System Coolant Capacity: Approximately 4.0-4.4 quarts (3.8-4.2 L) for main system, plus inverter coolant Known Issues Known Issues: Hybrid battery degradation (though generally robust for its era), potential for inverter issues, catalytic converter failure, and minor electrical gremlins. Brake wear is typically reduced due to regenerative braking. 📚 Vehicle History Brand Heritage Brand Heritage:...