🏷️ Basic Information Identification Make: Daihatsu Model: Sirion / Boon Generation Code: M300 Codes Chassis Codes: M300, M301, M303, M310 Engine Codes Covered: 1KR-FE (1.0L), K3-VE (1.3L), 3SZ-VE (1.5L) 👋 Introduction Market Position Vehicle Segment: Subcompact car / City car Competitive Analysis Key Competitors: Suzuki Swift, Mazda2, Mitsubishi Colt, Ford Fiesta, Hyundai i10 Key Features Vehicle Appeal: Compact size, fuel efficiency, maneuverability, affordability Manual Value Proposition Target Audience: DIY mechanics, automotive repair shops, enthusiast owners 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Applicable Years: 2004-2010 Applicable Models: All Daihatsu Sirion & Toyota Passo (Boon) models Coverage Scope: All engines and all models within the specified years Page Count Page Count Estimate: Thousands of pages Manual Type Language: English Format File Format: PDF Digital Delivery: Instant Download 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul and rebuilding, engine performance, timing belt replacement, firing orders, belt routings with diagrams Brake Systems: Detailed brake system service and repair Electrical Systems: Complete wiring diagrams, troubleshooting and diagnostics Suspension Steering: Front end procedures and specifications, suspension service Transmission Drivetrain: Transmission information, U-joint and CV-joint service procedures HVAC Systems: Air conditioning service and capacities Procedures Included Maintenance: Routine maintenance, fluid changes, filter replacements Repair: Detailed repair procedures for all major vehicle systems Diagnostics: Troubleshooting and diagnostic steps for common and complex issues Rebuilding: Engine and transmission overhaul and rebuilding instructions Technical Depth Depth Level: Comprehensive, factory-level detail Illustrations: Hundreds of illustrations Specifications: Complete torque specifications, detailed specifications covered 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Print Quality Printability: Printable pages, zoomable for detail Binding Type Binding: Not Applicable (Digital PDF) Paper Type Paper Quality: Not Applicable (Digital PDF) Compatibility Operating Systems: Compatible with Windows, macOS, and Linux ⚙️ Engine Specifications Primary Engine Engine 1.0L: 1KR-FE, 3-cylinder, DOHC, VVT-i, approx. 69-71 PS Engine 1.3L: K3-VE, 4-cylinder, DOHC, VVT-i, approx. 85-90 PS Engine 1.5L: 3SZ-VE, 4-cylinder, DOHC, VVT-i, approx. 103-109 PS Performance Horsepower Range: Approximately 69 to 109 PS (51 to 80 kW) Torque Range: Varies by engine; detailed specs available in manual Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Engine Management Ignition System: Electronic Ignition (EI) 🔧 Transmission Standard Transmission Type Std: 5-speed Manual Transmission (MT) Optional Transmission Type Opt: 4-speed Automatic Transmission (AT) / Continuously Variable Transmission (CVT) on some models Features Drivetrain: Front-Wheel Drive (FWD) Fluid Specifications Manual Transmission Fluid: GL-4 SAE 75W-90 (Refer to manual for specific viscosity and capacity) Automatic Transmission Fluid: Dexron III / Mercon equivalent (Refer to manual for specific type and capacity) 📐 Dimensions Exterior Length: Approx. 3,600 - 3,700 mm Width: Approx. 1,660 - 1,670 mm Height: Approx. 1,500 - 1,550 mm Weights Curb Weight: Approx. 850 - 980 kg 🛡️ Safety Features Ratings Crash Test Ratings: Variable by region and year; refer to specific regional testing agencies (e.g., Euro NCAP, JNCAP) Active Features ABS: Available (Anti-lock Braking System) E B D: Available (Electronic Brakeforce Distribution) Passive Features Airbags: Front airbags standard; side airbags optional on some trims Seatbelts: Pre-tensioner and force limiter seatbelts 💡 Technology Features Infotainment Audio System: Factory fitted radio/CD player with optional AUX input or upgraded infotainment systems on later models/trims. Driver Assistance Cruise Control: Available on higher trim levels and specific markets. Connectivity Usb Port: Not standard on all models; typically found on aftermarket or higher-spec infotainment systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-10,000 km or 6-12 months, depending on driving conditions and oil type (refer to manual). Air Filter Replacement: Inspect every 10,000-15,000 km, replace as needed or every 30,000-40,000 km. Spark Plug Replacement: Varies by spark plug type (standard vs. iridium); typically 40,000-100,000 km. Timing Belt Replacement: Crucial for 1KR-FE and K3-VE engines. Interval typically 90,000-100,000 km or 5-7 years. Manual provides detailed procedure. Fluid Specifications Engine Oil Specification: 0W-20, 5W-20, 5W-30, or 10W-30 API SN/SM/SL or ILSAC GF-5 (refer to manual for exact grade and capacity). Coolant Specification: Toyota Super Long Life Coolant (SLLC) or equivalent (50/50 mix of ethylene glycol and distilled water). Brake Fluid Specification: DOT 3 or DOT 4 (refer to manual for specific type). Known Issues Ignition Coils: Intermittent misfires can sometimes be related to failing ignition coils, especially on the 1KR-FE engine. Catalytic Converter: Early models may experience premature catalytic converter failure if engine running issues are not addressed. Air Conditioning: Occasional compressor clutch issues or refrigerant leaks. Suspension Bushings: Worn suspension bushings can lead to knocking noises over bumps, particularly in older vehicles. 📚 Vehicle History Brand Heritage Daihatsu Specialization: Daihatsu is known for producing compact and kei cars, with a reputation for reliability and efficiency. Model Evolution Generation M300 Introduction: The M300 generation, launched in late 2004 (as a 2005 model), represented a significant redesign with a more modern and rounded exterior styling. Platform Sharing: The Boon nameplate is used...