Introduction
This manual provides essential instructions for setting up, operating, and troubleshooting your Diagzone Pro Software Car+EV+HD 1 Year Open Software Subscription. This subscription enables comprehensive diagnostic capabilities for passenger cars, electric vehicles (EVs), and heavy-duty vehicles using compatible hardware devices such as TD2 (9884) and CAR 7 (9884, 9887).
Important: This purchase is for a software subscription only. No physical hardware will be shipped.
Setup and Activation
- Pre-Purchase Check: Before purchasing, it is crucial to verify compatibility. Install the Diagzone application on your Android phone and attempt to use the free EOBD function.
- Provide Serial Number (SN): Send your device's Serial Number (SN) to the seller before completing your payment. This is necessary for software activation.
- Download Diagzone Program: Log in to https://diagzone.com/ and download the Diagzone program to your Android phone.
- Login Credentials: The seller will provide you with login credentials (username and password) for your specific SN.
- Test EOBD: Log in to the Diagzone program using the provided credentials. Download the EOBD software package and test its functionality by attempting to connect to a vehicle.
- Software Activation: If the EOBD test is successful, you can proceed with your order. The seller will then activate the full Car+EV+HD 1 Year software for your device's SN.
Note: If the EOBD test fails with messages like "Connection lost" or "Your device has locked main chip, It is not possible work as Pro", your device is not compatible with Diagzone Pro software.
Operating Instructions
Once your Diagzone Pro software subscription is activated, follow these steps to perform diagnostics:
- Launch Diagzone App: Open the Diagzone application on your Android phone.
- Login: Ensure you are logged in with the account linked to your activated subscription.
- Select Diagnostic Package: From the main interface, select the appropriate diagnostic package for your vehicle type (Passenger, Electric, or Heavy Duty). The interface will typically display options similar to the image below.
- Connect to Vehicle: Connect your compatible diagnostic hardware (e.g., TD2, CAR 7) to the vehicle's OBD-II port.
- Establish Communication: Follow the on-screen prompts in the Diagzone app to establish communication with the vehicle's ECU.
- Perform Diagnostics: Once connected, you can access various diagnostic functions, including reading/clearing fault codes, viewing live data, performing special functions, and more, depending on the selected vehicle system and software capabilities.

Maintenance
As a software subscription, maintenance primarily involves ensuring optimal performance and access to the latest features:
- Software Updates: Regularly check for and install updates for the Diagzone application to ensure you have the latest vehicle coverage, bug fixes, and features.
- Device Compatibility: Ensure your Android phone meets the minimum system requirements for the Diagzone app.
- Subscription Renewal: Your subscription is valid for 1 year. To continue using the Pro features, you will need to renew your subscription before it expires.
- Hardware Care: While this product is software-only, ensure your diagnostic hardware (TD2, CAR 7) is kept clean, stored properly, and free from physical damage to maintain its functionality.
Troubleshooting
- Issue: EOBD test fails or software does not activate.
- Solution: If the EOBD test results in "Connection lost" or "Your device has locked main chip, It is not possible work as Pro", your specific diagnostic hardware is not compatible with the Diagzone Pro software. Contact the seller for clarification or alternative solutions before purchase.
- Issue: Cannot log in to the Diagzone app.
- Solution: Double-check your username and password. Ensure your device has a stable internet connection. If issues persist, contact the seller for assistance with your login credentials.
- Issue: Software features are not available after activation.
- Solution: Verify that your subscription is active and correctly linked to your device's SN. Ensure the Diagzone app is updated to the latest version. Restart the application and your device.
- Issue: Diagnostic tool fails to connect to the vehicle.
- Solution: Ensure the diagnostic hardware is securely connected to the vehicle's OBD-II port. Check the vehicle's ignition status. Verify that your Android device's Bluetooth or Wi-Fi (depending on your hardware) is enabled and properly paired/connected to the diagnostic tool.
Specifications
| Feature | Detail |
|---|---|
| Product Type | Software Subscription |
| Subscription Duration | 1 Year |
| Supported Vehicle Types | Passenger Cars, Electric Vehicles (EV), Heavy Duty Vehicles (HD) |
| Compatible Devices | TD2 (9884), CAR 7 (9884, 9887) |
| Platform | Android (via Diagzone app) |
| Activation Method | Serial Number (SN) based activation by seller |
User Tips
- Always Test EOBD First: Before making a purchase, utilize the free EOBD function within the Diagzone app to confirm your device's compatibility. This prevents issues with non-supported hardware.
- Contact Seller for Options: If you require different subscription durations (e.g., 2 years) or specialized functions like IMMO (Immobilizer) programming, contact the seller directly to inquire about available options.
- Keep Records: Retain your device's Serial Number (SN) and the login credentials provided by the seller for future reference and support.
Support and Contact
For any questions, technical assistance, or inquiries regarding your Diagzone Pro Software subscription, please contact the seller directly. Provide your device's Serial Number (SN) and a clear description of your issue to facilitate a quicker resolution.
Seller: Diagzone Official Store