1. Introduction
The Multidiag Pro V9.1 Bluetooth Diagnostic Tool is a professional interface designed for comprehensive vehicle diagnostics. It supports a wide range of cars and light vans from 1988 onwards, covering 69 different brands. This tool allows users to perform brand-specific diagnostics, read fault codes, monitor real-time parameters, and execute various adjustments and programming functions. This manual provides essential information for the proper setup, operation, and maintenance of your diagnostic device.
2. Package Contents
Upon unpacking your Multidiag Pro V9.1, please ensure all the following items are present:
- Multidiag Pro Diagnostic Unit (main device)
- OBD-II Diagnostic Cable
- USB Connection Cable
- Additional PCB Board (as shown in product images)
3. Specifications
| Feature | Detail |
|---|---|
| Brand Name | obdkcan |
| Model Name | Multidiag Pro |
| Hardware Version | Newest |
| Software Version | 2021.11 (with Keygen) |
| Item Type | Car Diagnostic Cables and Connectors |
| Material | Plastic and metal |
| Certification | RoHS, CE |
| Origin | Mainland China |
| Item Weight | 0.52kg |
| Supported Languages | Bulgarian, Cesky, Dansk Deutsch, English, Español, Français, Greek, Hrvatski, Hungarian, Italiano, Nederlands, Norsk, Polish, Português, Romana, Russian, Srpski, Suomen kieli, Svenska |
| Vehicle Coverage | Cars and light vans from 1988 onwards (69 brands). Software 2021.11 covers until 2021 (some cars/trucks until 2023). |
4. Setup and Installation
4.1 Software Installation
- Disable Security Software: Before starting the installation, it is crucial to turn off your computer's anti-virus software and firewall. Failure to do so may prevent the software from installing or functioning correctly.
- Installation Guide: Refer to the provided installation video or guide for detailed, step-by-step instructions.
- Software Activation: The 2021.11 software version includes a free keygen, allowing you to activate the software yourself.
- Verify Installation: After successful installation, open the software. The presence of '☆ Stars' indicates that the model has been updated and is ready for use.
- Software Source: If the physical CD is damaged or not working, please contact customer support for a download link.
4.2 Software Versions and Compatibility
Multiple software versions are available, each with specific coverage and activation methods. It is important to note that you should not install two different software versions on the same laptop.
If the 2021 software does not work for your older vehicle, try using the 2017 software version.
4.3 Software Download Links
- 2021.11 Download Link: https://mega.nz/folder/aEJikBQY#u04rv60wU3QQG1g_67a3Qg
- 2021.10b Download Link: https://mega.nz/folder/jRxSkLyB#NzD8fxd9N8J6vji9dHq4PQ
- 2020.23 Download Link: https://mega.nz/folder/vEQXAbYC#dlWXuKoo1jNXrT95PrGBSg
- 2017.R3 Download Link: https://mega.nz/folder/WAATQKrL#bXMdOsHeBR5pwbnETNqHqA
5. Operating Instructions
The Multidiag Pro offers a range of powerful diagnostic functions:
5.1 Flight Recorder
This function allows you to record parameters in real-time while driving the vehicle. During recording, you can press a button to highlight specific errors, enabling later investigation. The device is equipped with built-in memory for this purpose (memory card not included).
5.2 Multi-Colors Indicator
The device features a multi-color indicator that provides visual feedback on the diagnostic process. Different colors and sounds communicate the status. For example, an alternating blue and green light indicates communication with the vehicle control unit.
5.3 Connector with LED
To assist in locating the diagnostic connector in dark or hard-to-reach areas of the vehicle, the main diagnostic unit's connector is equipped with an LED light. Please note that the OBD 16-pin cable itself does not have an LED light, but its function remains good.
5.4 Voltage Check
When connected to a vehicle, the unit automatically checks the battery voltage (12V or 24V) and adjusts accordingly. If the voltage is too high or too low, the device will alert you with both sound and light, and a battery icon will appear in the diagnostic software.
5.5 Chassis Number (VIN) Reading
The CARS software includes a smart function to read the chassis number (VIN) from the vehicle. This feature automatically selects the correct model, year, and engine code, streamlining the diagnostic process.
5.6 Intelligent System Scan (ISS)
ISS scans all systems within the vehicle and displays any stored fault codes. This provides a quick overview of the vehicle's overall status, saving time. After the ISS is complete, you can select specific control systems for further analysis.
5.7 Intelligent System Identification (ISI)
ISI automatically identifies and selects the type of controller installed in the vehicle. This ensures that the diagnostic session is performed with the correct parameters, as required for accurate results.
5.8 Report Function
This function allows you to view possible adaptations and adjustments for a specific vehicle without needing the vehicle physically present. Combined with integrated help texts, it aids in planning and executing complex diagnostic tasks effectively.
5.9 OBD-Functions (Universal Connectivity)
The Multidiag Pro utilizes unique multiplexer technology, making it compatible with all types of vehicles, regardless of their voltage levels or communication standards. For vehicles that do not use the standard 16-pin connector, a complete set of certified and customized adapter cables and kits are available separately.
5.10 Universal Diagnostic Guidance
For most OBD functions, including adjustments and programming, the software provides detailed instructions and help texts. These step-by-step guides cover prerequisites, preparation, and implementation, simplifying even the most complex functions.
6. Troubleshooting
- Software Installation Issues: Ensure your computer's anti-virus software and firewall are completely disabled before and during installation. Re-enable them only after successful installation.
- Damaged/Non-Working CD: If the installation CD is damaged or does not work, contact customer support for a digital download link.
- Compatibility with Older Vehicles: If the 2021 software version encounters issues with older car models, try installing and using the 2017 software version instead. Remember not to install both versions on the same laptop.
- Connection Problems (Specific Models): Some users have reported connection difficulties with specific vehicle models (e.g., BMW F25, F30). If you experience such issues, verify all connections are secure and consult the software's vehicle compatibility list or contact support for model-specific guidance.
7. Maintenance
To ensure the longevity and optimal performance of your Multidiag Pro diagnostic tool:
- Cleaning: Keep the device and cables clean and free from dust and debris. Use a soft, dry cloth for cleaning. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the device in a cool, dry place, away from direct sunlight, extreme temperatures, and high humidity.
- Cable Care: Handle cables with care. Avoid sharp bends, kinks, or excessive pulling that could damage the internal wiring.
- Software Updates: Regularly check for software updates to ensure compatibility with newer vehicles and access to the latest diagnostic features.
8. User Tips
- Antivirus/Firewall: Always remember to temporarily disable your computer's antivirus and firewall software during the installation process to prevent conflicts.
- Software Version for Older Cars: If you primarily work with older vehicles, consider using the 2017 software version if the newer 2021 software presents compatibility challenges.
- Real-time Monitoring: Make full use of the 'Flight Recorder' function to capture real-time data during test drives, which can be invaluable for diagnosing intermittent issues.
9. Warranty and Support
For technical support, warranty inquiries, or if you require assistance with software download links, please contact the seller directly using the information below:
- Email: 1434086082@qq.com
- WhatsApp: +8617722460299
- WeChat: +8617722460299
- Website: www.obdkcan.com
