The 2006 Toyota Sienna, a full-size minivan from its second generation (2004-2010), is recognized for its exceptional reliability, spacious and practical interior, and comfortable ride. Built with renowned engineering quality, this model offers a robust 3.3-liter V6 engine producing approximately 230 horsepower, paired with a 5-speed automatic transmission. Available in front-wheel drive or all-wheel drive configurations, the Sienna is designed for family transport and long-distance travel, excelling in cargo capacity and passenger volume, making it a strong contender in its segment and a practical choice for everyday use. This comprehensive service and repair manual provides in-depth information for all 2006 Toyota Sienna trims. It covers all major systems, including the powertrain, drivetrain, chassis, electrical, HVAC, and body. Detailed maintenance procedures, from routine oil changes to component replacements, are outlined, alongside extensive diagnostic guides for troubleshooting and repair. Technical specifications, wiring diagrams, and factory-level repair instructions are included to assist owners, mechanics, and technicians in maintaining and restoring the vehicle to optimal condition, ensuring its longevity and performance. 🏷️ Basic Information Identification Make: Toyota Model: Sienna Year: 2006 Generation Generation Designation: Second Generation (2004-2010) Codes Chassis Code: XL20 👋 Introduction Market Position Segment: Full-size Minivan Competitive Analysis Key Competitors 2006: Honda Odyssey, Chrysler Town & Country/Dodge Grand Caravan, Kia Sedona, Nissan Quest Key Features Vehicle Strengths: Reliability, spacious interior, comfortable ride, practicality, strong resale value Manual Benefits: Empowers DIY repairs, cost savings, direct access to factory-authorized procedures, comprehensive coverage. 📋 Manual Details Coverage Areas Vehicle Coverage: All 2006 Toyota Sienna Trims and Configurations Page Count Estimated Page Count: Comprehensive (Digital, equivalent to thousands of printed pages) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: PDF Download (Licensed Software) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, emissions control, lubrication system Drivetrain: Automatic transmission (U250E), transfer case, driveshafts, axles, differentials, AWD system (if applicable) Chassis: Brakes (hydraulic, ABS, EBD), steering, suspension (front and rear), wheels, tires Electrical: Wiring diagrams, lighting system, starting and charging system, battery, engine control module (ECM), body control module (BCM), interior and exterior electronics HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system, climate control Body: Body panels, doors, glass, interior trim, exterior trim, bumpers, tailgate Procedures Included Maintenance: Oil and filter changes, fluid checks and top-offs, filter replacements, spark plug replacement, belt inspection/replacement, tire rotation Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, symptom-based diagnostics, electrical system diagnostics Repair: Engine component repair/replacement, transmission service, brake caliper/rotor replacement, suspension component replacement, steering system repair, electrical component repair/replacement, HVAC system repair Installation: Component installation procedures (e.g., replacement parts), accessory installation guidance Technical Depth Depth: Factory-level repair and diagnostic information, including detailed step-by-step instructions, torque specifications, wiring diagrams, and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Print Quality Resolution And Clarity: High-resolution digital images and clear, legible text suitable for on-screen viewing and printing. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: V6, 24-Valve, DOHC, VVT-i Engine Displacement: 3.3 Liters (3300 cc) Engine Code: 3MZ-FE Performance Horsepower: 230 hp @ 5600 rpm (approx.) Torque: 242 lb-ft @ 3600 rpm (approx.) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Sequential Multi-Port Fuel Injection (SFI) Fuel Type: Unleaded Gasoline Fuel Tank Capacity: 20.0 Gallons (75.7 Liters) 🔧 Transmission Standard Transmission Type: 5-Speed Automatic Electronically Controlled Transmission Code: U250E Optional Drive Type: Front-Wheel Drive (FWD) or All-Wheel Drive (AWD) Features Transmission Features: Artificial Intelligence (AI) shift control, Overdrive, Lock-up torque converter 📐 Dimensions Exterior Length: 201.0 in (5105 mm) Width: 77.4 in (1965 mm) Height: 68.7 in (1745 mm) Wheelbase: 119.3 in (3030 mm) Interior Passenger Volume: 151.0 cu ft (4276 L) Cargo Cargo Volume Behind 3Rd Row: 39.1 cu ft (1107 L) Cargo Volume Behind 2Nd Row: 86.7 cu ft (2455 L) Cargo Volume Max: 147.7 cu ft (4181 L) Weights Curb Weight FWD: 4354 lbs (1975 kg) Curb Weight AWD: 4534 lbs (2056 kg) 🛡️ Safety Features Ratings NHTSA Front Crash Test Rating: ★★★★★ (5-Star) NHTSA Side Impact Crash Test Rating: ★★★★★ (5-Star) IIHS Front Offset Crash Test: Good IIHS Side Impact Crash Test: Good Active Features Brake Assist: Standard Electronic Stability Control: Standard (Vehicle Stability Control - VSC) Traction Control: Standard (Traction Control - TRAC) Anti Lock Brakes: Standard (ABS) Passive Features Airbags: Driver and front passenger airbags, front side-impact airbags, three-row side curtain airbags Seatbelts: Pretensioners and force limiters on front seats, LATCH child seat anchors 💡 Technology Features Infotainment Audio System: Available premium audio systems with CD player, AM/FM radio, optional satellite radio, and rear-seat entertainment system. Some models may feature JBL audio. Driver Assistance Parking Assist: Optional rear parking assist sensors. Connectivity Auxiliary Input: Available auxiliary audio input jack on some models. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000...