Vehicle Segment:
Kei car, convertible sports roadster
Target Audience:
Enthusiasts, DIY mechanics, and owners seeking in-depth maintenance and repair knowledge for their Daihatsu Copen.
Competitors:
Primarily competed within the Kei car segment, offering a unique convertible experience against other Japanese compact sports cars of its era.
Convertible Top:
Electrically operated retractable hardtop (Active Hardtop).
Engine Size Class:
Kei car regulations (under 660cc engine displacement).
Completeness:
Offers the same level of detail as professional workshop manuals, ensuring accurate and effective repairs.
Engine:
JB-DET 659 cc I4 Turbo
Mechanical:
Engine, Transmission, Suspension, Steering, Brakes, Drivetrain
Electrical:
Engine Control, Starting/Charging, Airbag System, Audio/Visual, Wiring Diagrams
Body And Interior:
Exterior/Interior Trim, Body Panels, Accessories, Wiper/Washer System
Comfort Systems:
Heater and Air Conditioner
Type:
Repair Service Manual
Language:
English (Assumed based on product description and target market)
Engine Mechanical:
Detailed procedures for disassembly, inspection, repair, and reassembly of engine components.
Engine Management:
Covers fuel system, ignition system, engine control system (ECU diagnostics, sensor testing), emission control, and lubrication/cooling systems.
Drivetrain:
Manual transmission, clutch system, driveshaft/axle components, and wheel hub assemblies.
Suspension And Steering:
Front and rear suspension systems (shocks, springs, bushings), steering system, and power steering components.
Braking System:
Hydraulic brake system, including disc brakes (front and rear), master cylinder, brake lines, and parking brake.
Electrical System:
Starting and charging system (starter motor, alternator), airbag system (diagnosis and components), and audio/visual system components.
Body And Comfort:
Body panels, exterior/interior trim, wiper and washer systems, heater and air conditioning, and general accessories.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, spark plug service, and general upkeep procedures.
Diagnostics:
Troubleshooting guides for common issues across all covered systems, including diagnostic trouble codes (DTCs) if applicable.
Repair:
Step-by-step repair instructions for component replacement, adjustments, and major overhauls.
Technical Specifications:
Detailed service specifications, torque values, clearances, and tolerances for all major components.
Depth:
Comprehensive: Covers everything from basic maintenance to complete engine and drivetrain rebuilds, including detailed electrical schematics.
Engine Type:
Inline 4-cylinder, DOHC, 16-valve, Turbocharged
Bore X Stroke:
62.5 mm x 54.4 mm
Horsepower Ps:
64 PS (47 kW) at 6,000 rpm (Kei car regulation)
Torque Nm:
103 Nm (76 lb-ft) at 3,200 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with sequential injection
Turbocharger:
MHI TD025 turbocharger or similar
ECU Type:
ECU controlled engine management system (specific model varies).
Transmission Type Standard:
4-speed Automatic
Transmission Type Optional:
5-speed Manual
Manual Transmission Features:
Front-wheel drive, compact layout.
Crash Test Performance:
Limited independent crash test data available for the Kei car segment; typically designed to meet Japanese domestic market safety standards of the era.
Braking System Type:
Front ventilated discs, Rear solid discs
ABS:
Available on some trim levels, often optional.
Airbags:
Driver and passenger airbags standard.
Body Structure:
Reinforced A-pillars and chassis for convertible safety.
Oil Change Interval:
Typically 5,000 - 7,500 km or 6-12 months, refer to manual for precise recommendation based on usage.
Timing Belt Replacement:
The JB-DET engine uses a timing chain, which generally does not require periodic replacement unless issues arise.
Engine Oil Type:
Refer to manual; typically API SN or higher, SAE 0W-20 or 5W-30 viscosity grade for turbocharged engines.
Engine Oil Capacity:
Approx. 3.2 - 3.5 liters with filter change.
Coolant Type:
Daihatsu/Toyota Super Long Life Coolant (SLLC) or equivalent ethylene glycol-based coolant (pink).
Transmission Fluid Type Auto:
Dexron III or equivalent ATF.
Transmission Fluid Type Manual:
API GL-4, SAE 75W-90 manual transmission gear oil.
Turbocharger Wear:
With age and mileage, turbocharger seals can wear, leading to oil consumption or reduced boost.
Electrical Connectors:
Corrosion or looseness in electrical connectors, particularly in the engine bay and convertible top mechanisms, can cause intermittent faults.
Convertible Top Mechanism:
Hydraulic leaks or motor issues in the retractable hardtop can occur with age.
Suspension Bushings:
Wear in suspension bushings can lead to noise and degraded handling.
Design Awards:
The Copen has been praised for its distinctive styling and compact roadster appeal, often recognized in design awards within Japan.
Owner Satisfaction:
Generally positive owner satisfaction for its unique segment and driving characteristics, though specific ratings are regional.
Emissions Compliance:
Meets Japanese emissions standards of the period (e.g., JPN-TA-XXXX).
