Jaltest (JDC661M) | Yamaha 2-pins OBD - IMMO Adapter | Jet Ski
Warranty handled directly by AsTools
Warranty handled directly by AsTools
We handle warranty cases ourselves, quickly and without the intervention of the manufacturer. Thanks to our own parts inventory and technical expertise, we can usually help you immediately. Only in exceptional cases do we still send the product to the supplier.
2 years warranty on all products
2 years warranty on all products
All our products come with a 2-year factory warranty. This way, you are assured of long-lasting quality and service.
Easy returns via Returnless
Easy returns via Returnless
Returns are easy via Returnless. Register your return online and choose your own shipping method. Return costs are at your own expense.
Professional customer service
Professional customer service
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The Jaltest JDC661M is an Adapter cable specifically developed for performing diagnostic operations on the immobilizer system of Yamaha water scooters. This Adapter forms the connection between the 2-pin IMMO connector of the vessel and the Jaltest diagnostic interface. For proper operation, this cable must be used in combination with the JDC601M diagnostic cable.
This Adapter is designed to access advanced features of the Yamaha Customer Outboard Protection (Y-COP) system. It allows specific tasks beyond standard engine diagnosis, such as key management and checking the immobilizer's security status. The cable is intended solely for communication with the immobilizer circuit.
Application and functionality:
The JDC661M Adapter provides access to the specific diagnostic functions of the Yamaha Y-COP immobilizer system. The main functionalities are:
- Immobilizer diagnosis: Enables reading, describing, and clearing fault codes from the Y-COP system.
- Key management: Offers functionality for programming, registering, and disabling new or existing keys and remote controls.
- System check: Provides access to live data and parameters of the immobilizer, such as the status of paired keys.
Compatible vehicles and applications:
This adapter is compatible with Yamaha jet skis and outboard motors equipped with the Y-COP immobilizer system with a 2-pins diagnostic connector.
Yamaha:
- WaveRunner FX Series
- WaveRunner FZ Series
- WaveRunner GP Series
- WaveRunner VX Series
- Various outboard motors with Y-COP system
Important: Before purchasing the product, always check your vehicle's connection. This may vary by model and year.
Package Contents:
- 1x Jaltest (JDC661M) | Yamaha 2-pins OBD - IMMO Adapter | Jet ski
Technical specifications:
| Product brand | Jaltest |
| Product model | JDC661M |
| Vehicle connection side | Yamaha 2-pins (IMMO) |
| Adapter connection side | Jaltest diagnostic interface (requires JDC601M cable) |

To ensure that you always have access to the latest updates and software for your Jaltest device, it is important that you register the correct distributor.
Only the registered distributor can perform new software and updates. When you appoint us as your distributor, we can take care of this for you and guarantee that your device remains up-to-date without any issues.
How does it work?
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Download and fill in the change form
You can find the form as a PDF file here. -
Send the completed form to us
This can easily be done by email to support@astools.eu. -
We take care of the rest
With the form, we at Jaltest can submit the change and officially register you as our customer.






