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必要に応じて、USBシリアルケーブル用のドライバーをインストールします。 ステップ 2: PCと船外機・艇体の接続
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | "Cannot open COM port" | Wrong COM port or driver not installed | Go to Device Manager > Ports (COM & LPT). Change the USB cable to COM1,2,3, or 4. | | Software crashes on launch | Windows 10/11 incompatibility | Run in Windows 7 compatibility mode + Admin. Re-install with antivirus disabled. | | "No response from ECU" | Cable wiring issue or ignition off | Check that bike is ON. Test continuity of cable with a multimeter. | | Chinese characters in menus | Corrupted locale files | Re-download the English version. Or change your system locale to English (US). | | Fan test fails | Relay not activated | This is normal on some models. Check with a multimeter instead. |
Run stationary tests on fuel injectors, ignition coils, and fuel pumps to verify functionality.
The software cannot talk to the engine without a dedicated hardware link. You will need a equipped with an FTDI chip. One end plugs into your laptop's USB port. Yamaha Yds 1.33 Diagnostic Software Download
The FTDI chip inside your diagnostic cable requires specific virtual COM port (VCP) drivers to communicate with the software. Step-by-Step Installation Guide
Open the folder labeled or FTDI Drivers included in your download.
Early EFI models like the FX140, FX Cruiser, and GP1300R. Re-install with antivirus disabled
If you do start the engine for real-time data, ensure a water cooling source is connected.
Once connected, you will have complete access to your Yamaha engine's diagnostic brain, enabling you to clear codes, check your true hours, and accurately diagnose performance anomalies without paying dealer fees.
Turn the boat's ignition key to the position (Do not start the engine yet). Launch the YDS 1.33 software. | | Chinese characters in menus | Corrupted
Open the extracted folder and navigate to the or Driver folder.
Follow these steps to install YDS 1.33 and configure the drivers properly to prevent communication errors. Step 1: Install the YDS Software Download or insert the media containing the YDS 1.33 files.
Follow these steps to install the software and set up your cable connection: Step 1: Install the YDS 1.33 Software
Yamaha Marine dealers in the U.S. generally no longer sell the software directly to consumers. You can obtain it through the following means: