Penerangan
The Daihatsu Granmax Genuine Computer Engine Control Unit (ECU) (Part Number: 89560-BY400) is an original OEM electronic control module designed to ensure precise fuel injection, efficient combustion, and optimal engine performance. Manufactured by Daihatsu Motor Co., Ltd. and developed in collaboration with DENSO, this ECU delivers factory-level reliability, accuracy, and long-term durability for your Granmax engine system.
Built under strict Japanese engineering standards and produced in Indonesia, this genuine Daihatsu ECU uses advanced microprocessor technology to manage air-fuel ratios, ignition timing, and idle control — ensuring your vehicle runs smoothly, economically, and reliably in all driving conditions. Perfect for both engine restoration and electronic system replacement, it restores your vehicle’s original performance with full OEM calibration.
Key Features
- 100% Genuine Daihatsu OEM Part — Developed and tested by Daihatsu Motor Co., Ltd. for the Granmax series.
- Part Number: 89560-BY400 — Ensures direct compatibility and plug-and-play installation without modification.
- Precision Fuel Control — Accurately manages fuel injection timing for improved combustion and fuel economy.
- DENSO Engineered Technology — Uses advanced circuitry and microchip systems for consistent and stable performance.
- Made in Indonesia — Produced under Daihatsu’s global OEM standards ensuring top-tier quality and reliability.
Advantages
- Restores Factory Engine Performance — Optimizes ignition timing, fuel mapping, and idle speed for smooth acceleration and stable idling.
- Improves Fuel Efficiency — Reduces unnecessary fuel consumption through accurate ECU calibration.
- Enhances Emission Control — Ensures your vehicle meets OEM emission standards and maintains environmental compliance.
- Long-Term Reliability — Designed for extended service life even in high-temperature tropical environments.
Benefits
- Enjoy smoother engine performance and instant throttle response.
- Save fuel and reduce emissions with factory-calibrated precision.
- Prevent costly engine issues caused by faulty aftermarket ECUs or inaccurate tuning.
- Drive confidently knowing your vehicle is powered by a genuine, tested, and certified Daihatsu ECU.
Applications
Compatible with the following vehicle models:
- Daihatsu Granmax 1.3L / 1.5L (Petrol) — Van & Pickup variants.
- Suitable for models equipped with DENSO EFI fuel injection systems.
- Direct replacement for the original ECU 89560-BY400 unit without wiring modification.
Ideal for engine control restoration, troubleshooting idle or ignition issues, or full ECU replacement during major service.
Frequently Asked Questions (FAQ)
The ECU (Engine Control Unit) manages all critical engine functions such as fuel injection timing, ignition sequence, and idle control to ensure smooth, efficient, and reliable engine operation.
Genuine Daihatsu ECUs are programmed and tested specifically for your engine, ensuring perfect synchronization, no check-engine errors, and maximum longevity. Aftermarket ECUs may cause unstable idling, poor fuel economy, or electrical faults.
Yes. The Daihatsu Granmax ECU 89560-BY400 is a direct plug-and-play replacement. No reprogramming or modification is needed—simply install and your vehicle’s electronics will recognize the genuine ECU instantly.
This ECU is manufactured in Indonesia by Daihatsu Motor Co., Ltd. and DENSO, meeting the same OEM standards used in factory vehicle assembly lines worldwide.
Replace your ECU if you experience starting issues, poor idling, fuel injection errors, or diagnostic trouble codes (DTCs). It’s also recommended to replace it if the vehicle’s original ECU is damaged by power surges or water exposure.
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