🏷️ Basic Information

Make:

Daihatsu

Model:

Sirion / Boon

Chassis Code:

M300 Series

Product Name:

Daihatsu Sirion Boon M300 Series Complete Workshop Service Repair Manual

Market Segment:

Subcompact Car

👋 Introduction

Market Position:

The Daihatsu Sirion (also known as the Boon in Japan) is a compact city car known for its fuel efficiency, practicality, and affordability, often competing with models like the Toyota Yaris/Vitz, Honda Jazz/Fit, and Suzuki Swift. This manual targets owners and independent repair shops looking for detailed information to maintain and repair this specific generation of vehicles.

Value Proposition:

This manual offers significant cost savings by empowering users to perform their own maintenance and repairs, leveraging clear, step-by-step instructions and visual aids.

Key Features:

Comprehensive coverage A-Z, user-friendly instructions, high-quality content, permanent digital access, and guaranteed customer satisfaction.

📋 Manual Details

Applicable Years:

2004, 2005, 2006, 2007, 2008, 2009, 2010

Models Covered:

All Models, Engines, Trim Levels, and Transmission Types

Manual Type:

Workshop Service Repair Manual

Format:

Downloadable Digital File (PDF)

Language:

English

Required Software:

Adobe Reader (or compatible PDF viewer)

Delivery Method:

Instant Email Delivery

📖 Manual Coverage

Systems Covered:

Engine Mechanical, Engine Performance, Fuel System, Cooling System, Exhaust System, Ignition System, Lubrication System, Starting System, Charging System, Emission Control Systems, Manual Transmission, Automatic Transmission, Clutch System, Drivetrain, Driveshafts, Axles, Differential, Suspension System (Front and Rear), Steering System, Brakes System (Front and Rear), ABS, Power Steering, Brake Booster, Body Electrical, HVAC System, Interior Systems, Exterior Systems, Chassis Electrical, Body Panels, Bumpers, Doors, Hood, Trunk, Windows, Seats, Dashboard, Lighting, Wiper/Washer System, SRS Airbag System, Security System, Immobilizer, Audio System, Navigation System (if equipped), Wiring Diagrams, Schematics.

Procedures Included:

Scheduled Maintenance, Routine Inspections, Troubleshooting, Diagnostics, Repair Procedures, Component Replacement, Overhaul Procedures, Engine Tune-up, Oil Change, Filter Replacement, Spark Plug Replacement, Belt Replacement, Brake Pad/Disc Replacement, Shock Absorber Replacement, Fluid Flushes (Coolant, Brake, Transmission), Clutch Adjustment, Wheel Alignment, Electrical Troubleshooting, A/C System Servicing, Body Repair, Interior Trim Removal/Installation, Software Updates (if applicable), Diagnostic Trouble Code (DTC) Interpretation and Resolution, Wiring Harness Repair, Component Testing.

Technical Depth:

Comprehensive: Covers basic maintenance to advanced diagnostics and complete component overhaul. Includes step-by-step instructions, detailed diagrams, torque specifications, and diagnostic flowcharts.

📊 Manual Specifications

File Format:

PDF

Searchability:

Searchable text content for easy information retrieval.

Printability:

Printable by page, chapter, or entire document.

Resolution:

High-resolution for clear image and diagram reproduction.

Storage Options:

Downloadable to PC, MAC, Tablet, Smartphone for permanent access.

⚙️ Engine Specifications

Primary Engine Options:

1.0L (997cc) 3-cylinder K3-VE/K3-VE2; 1.3L (1298cc) 4-cylinder K3-VE

1.0L K3 Ve Horsepower:

Approx. 60-68 HP (depending on market and tuning)

1.0L K3 Ve Torque:

Approx. 88-94 Nm (depending on market and tuning)

1.3L K3 Ve Horsepower:

Approx. 80-87 HP (depending on market and tuning)

1.3L K3 Ve Torque:

Approx. 115-121 Nm (depending on market and tuning)

Fuel Injection:

Multi-point Fuel Injection (MPI) or Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Petrol (Gasoline)

Engine Management System:

ECU controlled with various sensors (e.g., Crankshaft Position, Camshaft Position, MAP, TPS, O2)

Engine Layout:

Inline 3-cylinder (1.0L) or Inline 4-cylinder (1.3L)

Engine Codes:

K3-VE, K3-VE2

🔧 Transmission

Standard Transmission:

5-speed Manual Transmission

Optional Transmission:

4-speed Automatic Transmission

Drivetrain Options:

Front-Wheel Drive (FWD), All-Wheel Drive (AWD) available on certain configurations.

Automatic Transmission Features:

Lock-up Torque Converter, Electronic Control

Clutch Type:

Dry Single Plate (Manual Transmission)

📐 Dimensions

Overall Length:

Approx. 3690 - 3700 mm (depending on variant)

Overall Width:

Approx. 1660 - 1665 mm

Overall Height:

Approx. 1540 - 1550 mm

Wheelbase:

Approx. 2430 - 2435 mm

Curb Weight:

Approx. 850 - 950 kg (depending on engine and transmission)

Cargo Capacity:

Variable with rear seats folded, typically around 220-250 liters behind rear seats.

Standard Tire Size:

Commonly 175/65R14 or 185/55R15 (check specific vehicle for exact size)

Wheel Bolt Pattern:

4x100

🛡️ Safety Features

Aser Crash Test Rating:

Varies by market and year. Some models achieved 4-star ratings in ASEAN NCAP tests.

Active Safety Features:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD) (optional/standard depending on trim), Brake Assist (BA) (optional/standard depending on trim).

Passive Safety Features:

Driver and Passenger Airbags, Side Airbags (optional), Curtain Airbags (optional), Seatbelt Pretensioners, ISOFIX Child Seat Anchors, Crumple Zones.

💡 Technology Features

Infotainment System:

Base models typically feature a basic AM/FM/CD player. Higher trims may have options for MP3 playback, auxiliary input, and potentially upgraded speaker systems. Navigation was rare in this generation.

Driver Assistance Features:

Limited to the ABS and EBD systems mentioned under safety. No advanced driver-assistance systems (ADAS) like adaptive cruise control or lane-keeping assist.

Connectivity Options:

Basic auxiliary input for audio devices in some variants.

Lighting Types:

Halogen headlights, standard incandescent bulbs for taillights and turn signals. Some higher trims might offer projector headlights.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-10,000 km or 6-12 months (refer to manual for exact specification based on driving conditions and oil type).

Air Filter Replacement:

Every 20,000-40,000 km or as needed based on environment.

Spark Plug Replacement:

Depending on plug type (e.g., Iridium): 80,000-100,000 km. Consult manual for specific recommendations.

Coolant Replacement:

Initial replacement at 100,000 km, then every 50,000-80,000 km or 4-5 years.

Engine Oil Specification:

API SN/SP, ILSAC GF-5/GF-6. Viscosity: 0W-20 or 5W-30 (check manual for exact grade and capacity, typically around 3.2-3.7 liters).

Transmission Fluid Type Manual:

API GL-4 SAE 75W-90 or 80W-90 gear oil (capacity approx. 1.9-2.1 liters).

Transmission Fluid Type Automatic:

Dexron III/VI compatible ATF (capacity approx. 3.7-3.8 liters for initial fill).

Coolant Specification:

Ethylene Glycol based, Toyota Super Long Life Coolant (SLLC) or equivalent (Pink color). Ensure proper mixture (50/50 with distilled water).

Brake Fluid Specification:

DOT 3 or DOT 4.

Common Issues:

Occasional reports of minor oil leaks from engine seals, potential wear in suspension components over high mileage, and possible ABS sensor issues. Automatic transmission shifts can sometimes become less smooth with age. Idle fluctuations may occur if spark plugs or air filter are neglected.

📚 Vehicle History

Brand Heritage:

Daihatsu, a subsidiary of Toyota Motor Corporation, has a long history of producing small, fuel-efficient, and reliable vehicles, with a strong focus on the Japanese kei car and compact car segments.

Model Evolution M300:

The M300 series represents the second generation of the Daihatsu Boon, which was launched in 2004. It was a complete redesign, offering a more modern and spacious interior compared to its predecessor, with updated styling and improved efficiency.

Production Location:

Primarily manufactured in Japan.

Market Release Year:

2004

🏆 Awards & Recognition

Awards And Recognitions:

While specific awards are not widely publicized for this generation, the Sirion/Boon generally received positive reviews for its practicality, fuel economy, and value for money in the subcompact segment, particularly in Asian markets where it was a popular choice.