🏷️ Basic Information

Make:

Daihatsu

Model:

Sirion

Model Generation Code:

M100/M110 (primarily M300/M310 for the later years mentioned)

Generation:

This manual covers the later part of the second generation (M100/M110) and likely the beginning of the third generation (M300/M310) based on the 2004-2010 range. The 2004-2010 timeframe primarily aligns with the M300 series, which was launched in 2004 in some markets.

Platform Codes:

M300/M310

👋 Introduction

Market Position:

The Daihatsu Sirion (also known as the Toyota Passo in some markets) is a subcompact car known for its compact size, fuel efficiency, and affordability. It typically targets urban drivers and those seeking a practical, economical mode of transportation. This manual serves owners and independent repair shops looking to maintain and repair this budget-friendly vehicle.

Competitive Analysis:

In its segment, the Sirion competed with vehicles like the Suzuki Swift, Hyundai Getz, Ford Fiesta, and the Nissan Micra. Its appeal often lay in its Japanese engineering reputation for reliability and its accessible price point. This manual provides detailed information to keep these vehicles running optimally, enhancing their long-term value.

Key Features:

Ease of use for DIY repairs, detailed step-by-step instructions, inclusion of crucial wiring diagrams, comprehensive coverage of all systems, cost-saving potential for owners, instant download accessibility, compatibility with common operating systems and software (Adobe PDF Reader).

📋 Manual Details

Coverage Areas:

Comprehensive repair and service for all major vehicle systems. Covers routine maintenance, troubleshooting, diagnostic procedures, and detailed repair instructions for mechanical, electrical, and body components.

Page Count:

Not explicitly stated, but described as a 'full professional quality in depth' manual, suggesting a substantial number of pages typical for a WSM.

Manual Type:

Workshop Service Manual (WSM) / Service Repair Manual

Language:

English

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered:

Engine Mechanical, Engine Control System (ECM), Fuel System, Ignition System, Exhaust System, Cooling System, Lubrication System, Drivetrain (Front Wheel Drive), Manual Transmission, Automatic Transmission, Clutch, Suspension System (Front and Rear), Steering System, Brake System (Front and Rear), Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), Body Electrical System, Lighting System, HVAC (Heating, Ventilation, and Air Conditioning), Safety Systems (Airbags, Seatbelts), Power Windows, Power Locks, Central Locking, Wiper & Washer System, Audio System, Instrument Cluster, Diagnostic Trouble Codes (DTCs), Wiring Diagrams.

Body And Chassis:

Covers front and rear bumper removal/installation, fender liner, door panel removal, hood and trunk lid adjustments, panel gap measurements, rust repair guidance, underbody coating specifications, and sealant application.

Fuel And Emissions:

Covers fuel pump operation, fuel filter replacement, fuel injector testing and cleaning, fuel pressure regulator diagnosis, evaporative emission control (EVAP) system testing, and catalytic converter efficiency checks.

Procedures Included:

Routine maintenance (oil changes, fluid checks, filter replacements), troubleshooting guides, diagnostic procedures using scan tools and visual inspection, engine overhaul and repair, transmission removal and installation, clutch service, brake pad/rotor replacement, suspension component replacement (shocks, struts, control arms), steering rack service, electrical system diagnosis and repair, HVAC system diagnosis and repair, body panel repair, interior trim removal and installation, timing belt/chain service, fuel injector cleaning, spark plug replacement, tire rotation and balancing, wheel alignment procedures.

Wiring Diagrams Coverage:

Detailed and comprehensive wiring diagrams for all electrical systems, including engine control, lighting, power windows, audio, climate control, and safety systems. Essential for accurate electrical troubleshooting and repair.

Technical Depth:

In-depth, professional level. Includes step-by-step repair instructions, torque specifications, diagnostic charts, wiring diagrams for accurate electrical troubleshooting, exploded views of components, and component testing procedures. Suitable for both DIY enthusiasts and professional technicians.

Diagnostic Trouble Codes:

Provides a comprehensive list of Diagnostic Trouble Codes (DTCs), their definitions, and step-by-step troubleshooting procedures to pinpoint the root cause of illuminated 'Check Engine' or other warning lights.

Special Tools:

Identifies specific special tools and equipment required for certain repair procedures, ensuring correct and safe execution of complex tasks.

📊 Manual Specifications

File Format:

PDF

Searchability:

Likely searchable PDF, allowing users to quickly find specific information by keyword.

Print Quality:

Full Printable. Pages can be printed as needed, allowing for clean copies in the workshop.

Binding Type:

Not Applicable (Digital Download)

Paper Type:

Not Applicable (Digital Download)

⚙️ Engine Specifications

Primary Engine:

K3-VE (1.3L DOHC 16-valve Inline-4 Petrol)

Horsepower:

Approximately 87-90 PS (64-66 kW) at 6000 rpm (depending on market and specific tune)

Torque:

Approximately 120-125 Nm (89-92 lb-ft) at 3200 rpm (depending on market and specific tune)

Fuel System:

Electronic Fuel Injection (EFI), Multi-point injection (MPI)

Engine Codes:

K3-VE, K3-VET (turbocharged variant, less common in this specific generation for most markets), 1KR-FE (1.0L 3-cylinder, also available in some markets)

Engine Code Notes:

While K3-VE is prevalent, the 1.0L 1KR-FE (3-cylinder) was also used in some markets for this generation, offering even greater fuel efficiency. The manual should specify which engine variants it covers.

Bore Stroke:

80.0 mm x 81.5 mm (for K3-VE)

Compression Ratio:

10.0:1 (for K3-VE)

Engine Management:

ECU controlled with OBD-II diagnostics

🔧 Transmission

Transmission Type Standard:

5-speed Manual Transmission

Transmission Type Optional:

4-speed Automatic Transmission (with torque converter)

Clutch Type:

Dry single-plate clutch (for manual transmission)

Transmission Fluid Type Manual:

API GL-4 SAE 75W-90 (check manual for specific Daihatsu/Toyota P/N)

Transmission Fluid Type Automatic:

Dexron III or equivalent (check manual for specific Daihatsu/Toyota P/N)

📐 Dimensions

Length:

Approximately 3,620 mm (for M300 series)

Width:

Approximately 1,665 mm (for M300 series)

Height:

Approximately 1,500 mm (for M300 series)

Wheelbase:

Approximately 2,430 mm (for M300 series)

Curb Weight:

Approximately 900-970 kg (depending on transmission and trim)

Gross Vehicle Weight:

Typically around 1,300 kg

Cargo Volume Rear Seats Up:

Approximately 245-265 liters (for M300 series, varies with configuration)

Cargo Volume Rear Seats Folded:

Significantly increased with foldable rear seats, often approaching 900-1000 liters.

🛡️ Safety Features

Safety Rating Type:

Varies by market and testing authority (e.g., Euro NCAP, JNCAP). Generally rated reasonably well for its class and era.

Active Features:

Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), optional Brake Assist (BA), power-assisted steering.

Passive Features:

Driver and front passenger airbags, side curtain airbags (optional on some trims), front seatbelt pretensioners, ISOFIX child seat anchors, energy-absorbing steering column.

Chassis Construction:

Monocoque body construction with front and rear crumple zones.

💡 Technology Features

Infotainment Features:

Base models typically feature a single-DIN or double-DIN radio with AM/FM and CD player. Higher trims may offer optional MP3 playback or auxiliary input. Speaker count varies from 2 to 4.

Driver Assistance Features:

Limited by era. Primarily focused on safety features like ABS and EBD. No advanced driver-assistance systems (ADAS) like adaptive cruise control or lane-keeping assist were standard or commonly available.

Connectivity Features:

Basic connectivity through analog audio inputs (e.g., AUX jack on some models) for external media players. No Bluetooth or USB integration on base models of this era.

Instrumentation Features:

Analogue speedometer, tachometer (optional on base models), fuel gauge, engine temperature gauge, odometer, trip meter, various warning lights (check engine, oil pressure, brake system, etc.).

🔧 Maintenance

Engine Oil Change Interval:

Typically every 10,000 km or 6-12 months, whichever comes first (refer to manual for exact recommendation based on driving conditions).

Air Filter Replacement Interval:

Every 20,000-30,000 km or as needed based on dusty conditions.

Spark Plug Replacement Interval:

Iridium or Platinum plugs typically last 100,000 km. Check manual for specific plug type and recommended interval.

Timing Belt Replacement Interval:

This generation (K3-VE engine) uses a timing chain, which is generally maintenance-free and designed to last the life of the engine. However, the manual will detail any inspection points.

Engine Oil Type:

API SN/SP, ILSAC GF-5/GF-6A, SAE 0W-20 or 5W-30 (check manual for specific viscosity and OEM approval)

Coolant Type:

Ethylene Glycol-based, pink or red long-life coolant (e.g., Toyota Super Long Life Coolant or equivalent)

Brake Fluid Type:

DOT 3 or DOT 4 (check manual for specific type)

Power Steering Fluid Type:

ATF Dexron III or equivalent (if equipped with hydraulic power steering)

Known Issues:

Occasional water pump leaks, minor electrical gremlins (e.g., faulty window motors), potential for wear on suspension components over high mileage, clutch wear on manual transmission models, catalytic converter issues due to age/mileage.

Engine Oil Capacity With Filter:

Approximately 3.9 liters (for K3-VE)

Coolant Capacity:

Approximately 5.2 liters

Transmission Fluid Capacity Manual:

Approximately 1.7 liters

Transmission Fluid Capacity Automatic:

Approximately 3.0 liters (dry fill)

📚 Vehicle History

Brand Heritage:

Daihatsu, a subsidiary of Toyota Motor Corporation, has a long history of producing small, fuel-efficient vehicles, often with a focus on reliability and value. This heritage is reflected in the Sirion's design and engineering.

Model Evolution:

The Sirion (first generation M100/M110) was introduced in 1998. The second generation (M300/M310) launched in 2004, bringing updated styling, improved interior space, and new powertrain options. The 2004-2010 timeframe primarily covers this second generation, which received minor updates and facelifts during its production run.

Production Locations:

Primarily manufactured in Japan by Daihatsu. Some variants or rebadged versions might have been assembled in other Daihatsu or Toyota facilities globally.

Production Years Covered:

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

🏆 Awards & Recognition

Recognitions:

While specific major awards for the 2004-2010 Sirion are not widely publicized, Daihatsu vehicles in general have received accolades for reliability, fuel efficiency, and value for money in various consumer surveys and automotive publications globally.

Ratings:

Consumer satisfaction ratings for Daihatsu vehicles often place them favorably for cost of ownership and reliability, contributing to the model's enduring appeal for budget-conscious buyers.