Introdución
This manual provides detailed instructions for the operation and maintenance of the LAUNCH X431 PRO3S+ V5.0 automotive diagnostic tool. It covers essential information to help users effectively utilize the device's advanced diagnostic capabilities, bi-directional control, and extensive service functions.
The LAUNCH X431 PRO3S+ V5.0 is designed for professional automotive technicians, offering OE-level diagnostic features, broad vehicle coverage, and support for various specialized functions.
Características clave
- Diagnóstico completo do sistema a nivel de equipo orixinal: Comprehensive scanning of all available vehicle systems.
- Control bidireccional (proba activa): Perform active tests on various vehicle components to verify functionality.
- Codificación avanzada da ECU: Customize vehicle settings, perform online coding, and flash hidden features.
- 37+ Reset and Service Functions: Includes Oil Reset, EPB, SAS, BMS, DPF, TPMS, IMMO, ABS Bleeding, Injector Coding, Gearbox Matching, and more.
- Funcións guiadas: Step-by-step instructions for complex procedures, compatible with VAG vehicles (VW/Audi/Skoda/Seat).
- Autenticación automática para FCA SGW: Secure gateway access for Chrysler, Alfa Romeo, and Fiat vehicles (2017 and newer).
- Ampla cobertura de vehículos: Supports over 10,000 vehicle models and 160+ brands.
- Diagnóstico remoto: Facilitates remote technical assistance.
- Mapeo de topoloxía: Visual representation of vehicle communication networks for efficient troubleshooting.
- Support for Extension Modules: Compatible with optional modules like Videoscop, X431 TSGUN, X-PROG3, and ADAS calibration tools (sold separately).
Configuración
1. Desembalaxe e inspección inicial
Carefully unpack all components from the packaging. Verify that all items listed in the packing list are present and undamaged. Report any missing or damaged items to your vendor immediately.

Image: Contents of the LAUNCH X431 PRO3S+ V5.0 package, including the diagnostic tablet, various connectors, and accessories.
2. Acendido e configuración inicial
- Manteña premido o botón de acendido para acender o dispositivo.
- Siga as instrucións na pantalla para seleccionar o idioma que prefira. O dispositivo admite 24 idiomas.
- Connect to a Wi-Fi network for software updates and online functions.
- Register your device and create a user account as prompted.

Image: The main user interface of the LAUNCH X431 PRO3S+ V5.0 diagnostic tool, showing various diagnostic and service options.
3. Conexión ao vehículo
- Locate the vehicle's OBD-II diagnostic port, typically under the dashboard on the driver's side.
- Connect the diagnostic cable from the LAUNCH X431 PRO3S+ V5.0 to the vehicle's OBD-II port.
- Xire o contacto do vehículo á posición ON (motor apagado).
- O dispositivo establecerá comunicación co vehículo automaticamente.
Instrucións de funcionamento
1. Funcións de diagnóstico
- Intelligent Diagnose: Automatically identifies vehicle VIN and performs a full system scan.
- Local Diagnose: Manually select vehicle make, model, and year to perform specific diagnostic tests.
- Ler/Borrar códigos de avaría: Retrieve and erase Diagnostic Trouble Codes from all control modules.
- Fluxo de datos en directo: View real-time sensor data in text, graph, or gauge format. Supports 12-in-1 live data graphing for detailed analysis.
- Mapeo de topoloxía: Access a visual map of the vehicle's communication network to quickly identify problematic modules.

Image: The full system diagnostic interface of the LAUNCH X431 PRO3S+ V5.0, showing a vehicle's system status.

Image: The intuitive topology mapping feature on the LAUNCH X431 PRO3S+ V5.0, displaying vehicle module connections.
2. Special Functions and Services
- Codificación da ECU: Modify vehicle parameters, activate hidden functions, and perform component matching.
- Control bidireccional (proba activa): Send commands to vehicle systems to test their operational status. Exampos inclúen:
- Turning on/off radiator fan
- Acelerador modulador
- Funcionamento de fiestras e espellos
- Testing injector buzz
- Activating interior/exterior lights and horn
- Proba de fechaduras de portas
- Reset Services: Access over 37 common maintenance and reset functions. Navigate to the "Reset" menu and select the required service.

Image: A display of the 37+ reset and service functions available on the LAUNCH X431 PRO3S+ V5.0, including ABS bleeding, oil reset, and IMMO services.
3. Remote Diagnosis and Reporting
- Diagnóstico remoto: Initiate a remote diagnostic session to receive assistance from a technician.
- Informe de saúde: Generate and print comprehensive diagnostic reports for record-keeping or client presentation.

Image: Screenshots illustrating the remote diagnosis and health report generation capabilities of the LAUNCH X431 PRO3S+ V5.0.
Mantemento
1. Actualizacións de software
Regularly update the diagnostic software to ensure compatibility with the latest vehicle models and access new features. Connect the device to a stable Wi-Fi network and navigate to the "Software Update" section on the main menu.
2. Coidado da batería
The device is equipped with a 6300mAh Lithium-ion battery. To prolong battery life:
- Evita temperaturas extremas.
- Cargue o dispositivo regularmente, pero evite sobrecargalo durante períodos prolongados.
- If storing the device for a long time, ensure the battery is charged to approximately 50-70%.
3. Limpeza e almacenamento
Limpar o dispositivo cun suave, damp cloth. Avoid using abrasive cleaners or solvents. Store the device in its protective case in a dry, cool environment when not in use.
Resolución de problemas
If you encounter issues with your LAUNCH X431 PRO3S+ V5.0, refer to the following common troubleshooting steps:
- O dispositivo non se acende: Asegúrate de que a batería estea cargada. Conecta o dispositivo ao adaptador de corrente e inténtao de novo.
- Sen comunicación co vehículo:
- Verify the diagnostic cable is securely connected to both the device and the vehicle's OBD-II port.
- Asegúrese de que o contacto do vehículo estea na posición ON.
- Comprobe se a batería do vehículo está suficientemente cargada.
- Try a different vehicle to rule out vehicle-specific issues.
- Software Freezes or Slow Performance:
- Reinicie o dispositivo.
- Asegúrate de que o software estea actualizado.
- Clear cache or free up storage space if necessary.
- Lecturas inexactas: Ensure the correct vehicle information (make, model, year) is selected. Perform a software update.
For persistent issues, consult the "Feedback" section on the device or contact technical support.
Especificacións
| Característica | Especificación |
|---|---|
| Número de modelo | X431-005 |
| Sistema Operativo | Android 10.0 |
| Procesador | Octa-Core |
| Almacenamento interno | 64 GB (ampliable ata 128 GB) |
| Tamaño da pantalla | 10.1 polgadas |
| Batería | 6300mAh ión de litio |
| Conectividade | Dual-band Wi-Fi (2.4 & 5 GHz), Bluetooth |
| Dimensións (L x W x H) | 60 x 44 x 19 cm |
| Peso | 7.65 quilogramos |
| Idiomas admitidos | 24 idiomas |
| Protocolos admitidos | CAN FD & DOIP Protocols |

Image: An illustration highlighting the high-configuration hardware of the LAUNCH X431 PRO3S+ V5.0, including its Octa-Core processor, 6300mAh battery, 64GB ROM, 10.1-inch touchscreen, Wi-Fi, and Bluetooth capabilities.

Image: A visual representation of the 24 supported languages on the LAUNCH X431 PRO3S+ V5.0 diagnostic tool.
Garantía e Soporte
- Garantía: The LAUNCH X431 PRO3S+ V5.0 comes with a 24-month maintenance warranty.
- Soporte técnico: 7 days a week, 24 hours a day, 365 days a year technical support is available.
- Política de devolución: A 60-day refund or return policy is applicable.
For technical assistance or warranty claims, please contact your vendor or LAUNCH customer service.





