🏷️ Basic Information Identification Make: Daihatsu Model: Sirion / Boon Generation Platform Code: M300 Codes Production Years: 2004-2010 👋 Introduction Market Position Vehicle Segment: Subcompact hatchback Target Audience: Cost-conscious buyers seeking reliable, fuel-efficient transportation Competitive Analysis Key Competitors: Toyota Yaris, Honda Fit/Jazz, Suzuki Swift, Nissan Note Key Features Design Philosophy: Compact dimensions, practical interior, fuel economy Manual Advantage: Empowers owners and independent mechanics with factory-level repair knowledge 📋 Manual Details Coverage Areas Regions Covered: Global (based on factory specifications) Page Count Estimated Pages: Hundreds (detailed in description) Manual Type Type: Service & Repair Workshop Manual Language Primary Language: English Format Delivery Method: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system, emission controls Drivetrain: Transmission (manual and automatic), clutch, drive axles, differential Chassis: Suspension (front and rear), steering system, brake system (including ABS) Electrical: Starting and charging system, lighting, instrumentation, body electricals, comfort and convenience systems, ECU and sensor diagnostics Bodywork: Exterior panels, interior trim, doors, windows, glass, bumpers Procedures Included Maintenance: Routine service, fluid changes, filter replacements, inspections, lubrication Troubleshooting: Diagnostic charts, symptom-based troubleshooting, fault code interpretation Repair: Component removal, disassembly, repair, reassembly, and installation for all major systems Diagnostics: On-board diagnostics (OBD-II), sensor testing, actuator testing, wiring diagrams for electrical troubleshooting Technical Depth Scope: Comprehensive, covering everything from basic scheduled maintenance to complete engine and transmission overhauls Diagrams: Hundreds of detailed photos and exploded diagrams for clarity Instructions: Step-by-step instructions tailored for professional mechanics and technicians 📊 Manual Specifications File Format Compatibility: Windows and macOS compatible Print Quality Print Capability: Printable (single pages or entire manual) Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code Common: K3-VE (1.3L) Engine Type: Inline-4, DOHC, 16-valve, VVT-i (Variable Valve Timing with intelligence) Displacement Cc: 1298 Performance Horsepower Ps Approx: 87-91 PS @ 6000 rpm (depending on market and variant) Torque Nm Approx: 120-122 Nm @ 3200-3400 rpm (depending on market and variant) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline Engine Codes Other Alternative Engine: 3SZ-VE (1.5L, optional in some markets) 🔧 Transmission Standard Transmission Type Std: 5-speed Manual Transmission Optional Transmission Type Opt: 4-speed Automatic Transmission (Super ECT) Features Drive Layout: Front-Wheel Drive (FWD) All Wheel Drive Availability: Optional (AWD) in some markets, particularly Japan 📐 Dimensions Exterior Length Mm: ~3620-3650 Width Mm: ~1660-1665 Height Mm: ~1525-1545 Wheelbase Mm: ~2460 Weights Curb Weight Kg: ~900-980 (depending on specification) 🛡️ Safety Features Ratings Jncsa Crash Test Rating: Likely achieved 4 or 5 stars in Japan New Car Assessment Program (JNCAP) for its era. Active Features Anti Lock Brakes: Standard on many higher trims, optional on others (ABS) Electronic Stability Control: VSC (Vehicle Stability Control) or ESC available on select models/markets. Passive Features Airbags: Driver and front passenger airbags standard, side airbags and curtain airbags optional/market dependent. Seatbelts: Three-point seatbelts with pretensioners and force limiters for front seats. 💡 Technology Features Infotainment Head Unit Features: Basic AM/FM radio with CD player. Optional CD/MP3 player with auxiliary input on higher trims or as aftermarket. Driver Assistance Parking Sensors: Available as an option or aftermarket accessory. Connectivity Bluetooth: Not typically factory-fitted on standard models; often an aftermarket upgrade. 🔧 Maintenance Service Intervals Oil Change Interval Km: 10,000 - 15,000 km or 12 months (whichever comes first), consult manual for specifics. Air Filter Replacement Km: 20,000 - 30,000 km Spark Plug Replacement Km: 40,000 - 60,000 km (depending on plug type) Fluid Specifications Engine Oil Type: API SG, SH, SJ, or SL grade, SAE 5W-30 or 10W-30 (refer to manual for exact specification based on climate) Engine Oil Capacity Liters: Approx. 3.5 - 3.9 liters (with filter change) Coolant Type: Ethylene glycol based coolant, anti-freeze/anti-corrosion (Toyota Super Long Life Coolant or equivalent) Transmission Fluid Type Auto: Dexron III or equivalent (refer to manual for specific Toyota ATF type) Brake Fluid Type: DOT 3 or DOT 4 Known Issues Common Wear Items: Suspension components (bushings, ball joints), wheel bearings, catalytic converter (with age/mileage). Engine Reliability: Generally reliable, but can experience oil consumption in higher mileage units if maintenance is neglected. Transmission Notes: Automatic transmissions are generally robust but require regular fluid changes to prevent wear. 📚 Vehicle History Brand Heritage Daihatsu Focus: Known for producing small, fuel-efficient, and reliable vehicles. Model Evolution M300 Generation Intro: The M300 series represented a significant modernization and styling update over its predecessor, emphasizing interior space and practicality. Global Naming: Rebadged and sold globally under various names including Daihatsu Sirion, Toyota Passo, and Subaru Justy. Production Manufacturing Locations: Primarily Japan (and potentially other Daihatsu facilities depending on global distribution). 🏆 Awards & Recognition Recognitions Industry Awards: While specific awards are not readily available for the M300 Sirion/Boon, it was generally well-received in its segment...