1. Introdución
The PARANNIC MS310 is an On-Board Diagnostics II (OBD2) and European On-Board Diagnostics (EOBD) compliant diagnostic scanner designed to assist in identifying and resolving vehicle issues. This tool provides access to various vehicle diagnostic functions, including reading and clearing diagnostic trouble codes (DTCs), viewing live data streams, and checking I/M readiness status. It also features Bluetooth connectivity for enhanced functionality via the YMOBD mobile application.
2. Información de seguridade
- Realice sempre probas de automóbiles nun ambiente seguro.
- Do not operate the tool while driving a vehicle.
- Use protección ocular que cumpra as normas ANSI.
- Manteña a roupa, o cabelo, as mans, as ferramentas e os equipos de proba lonxe de todas as pezas móbiles ou quentes do motor.
- Asegúrese de que o vehículo estea en ESTACIONAMENTO (transmisión automática) ou NEUTRO (transmisión manual) e que o freo de estacionamento estea accionado.
- Coloque bloques diante das rodas motrices e nunca deixe o vehículo desatendido mentres realiza as probas.
- Be aware of carbon monoxide poisoning. Operate the vehicle in a well-ventilated area.
- Refer to the vehicle's service manual for specific safety precautions.
3. Produto rematadoview
The PARANNIC MS310 scanner features a clear display, intuitive button layout, and an integrated OBD-II connector cable for direct connection to your vehicle.

Imaxe 3.1: Fronte view of the PARANNIC MS310 OBD2 Scanner, highlighting the display and control buttons.
Compoñentes do dispositivo:
- Pantalla LCD: Mostra resultados de diagnóstico, opcións de menú e datos en directo.
- Botóns arriba / abaixo: Navega polas opcións do menú.
- Botón Aceptar: Confirma seleccións ou accede a submenús.
- Botón EXIT: Volta ao menú anterior ou cancela unha operación.
- F1 Button: Function button (specific use may vary by menu).
- Conector OBD-II: Conecta o escáner ao porto OBD-II do vehículo.
4. Configuración
4.1 Conexión ao vehículo
- Localiza o conector de enlace de datos (DLC) de 16 pines do vehículo. Normalmente atópase debaixo do taboleiro, no lado do condutor.
- Asegúrese de que o contacto do vehículo estea na posición "OFF".
- Firmly plug the MS310's OBD-II connector into the vehicle's DLC.
- Xire o contacto do vehículo á posición "ON" (motor apagado). O escáner acenderase automaticamente.

Image 4.1: The PARANNIC MS310 scanner with its cable connected to a vehicle's OBD-II port.
4.2 YMOBD App Installation and Bluetooth Connection
The MS310 can connect to your smartphone via Bluetooth for extended features through the YMOBD app.
- Download the 'YMOBD' app from your smartphone's app store (available for iOS and Android).
- Activa o Bluetooth no teu smartphone.
- Open the YMOBD app. The app will guide you through the pairing process to connect to the MS310 device.
- Once connected, the app will display various diagnostic options and data.

Image 4.2: A smartphone displaying the YMOBD application interface.

Imaxe 4.3: Detallada view of the YMOBD app on a smartphone, indicating Bluetooth connectivity.
5. Instrucións de funcionamento
After connecting the scanner to your vehicle and powering it on, use the navigation buttons to access the main menu and select desired functions.

Imaxe 5.1: Acabadoview of the multifunction capabilities of the PARANNIC MS310 scanner.
5.1 Funcións de diagnóstico básicas
- Ler códigos: Select 'Read Codes' from the main menu to retrieve Diagnostic Trouble Codes (DTCs) stored in the vehicle's Engine Control Unit (ECU). The scanner will display the code and a brief description.
- Códigos claros: After addressing a vehicle issue, select 'Clear Codes' to erase DTCs from the ECU and turn off the Check Engine Light (MIL). Warning: Do not clear codes before diagnosing and fixing the underlying problem, as this may mask issues.
- View Conxelar marco: This function displays a snapshot of sensor data recorded by the ECU when an emission-related fault occurred. This data can help identify the conditions under which the fault was set.
- Estado de preparación para I/M: Checks the status of the vehicle's emission-related monitoring systems to determine if they are ready for an inspection/maintenance test.
- Fluxo de datos en directo: Displays real-time operational parameters from the vehicle's sensors and components, such as engine RPM, vehicle speed, oxygen sensor readings, and coolant temperature.
5.2 Advanced Diagnostic Functions
- Proba do sensor de osíxeno: Retrieves O2 sensor monitoring test results from the vehicle's computer.
- Proba de compoñentes: Allows initiation of a leak test for the vehicle's EVAP system or other component tests as supported by the vehicle.
- Battery Life Detection / Voltage Seguimento: Ofrece volume da batería en tempo realtage readings and can assess battery health.
- Vehicle Information (VIN): Retrieves the Vehicle Identification Number (VIN), Calibration ID (CALID), and Calibration Verification Number (CVN) from the vehicle's ECU.

Image 5.2: The scanner displaying battery check results.

Image 5.3: The scanner displaying vehicle identification information.
5.3 YMOBD App Enhanced Features
When connected via Bluetooth to the YMOBD app, the following additional features are available:
- One-Click Full Vehicle Inspection: Initiates a comprehensive scan of all supported systems.
- Store and Play Back Data Streams: Records and reviews live data for detailed analysis.
- Statistical Analysis of Fuel Consumption: Provides insights into vehicle fuel efficiency.
- Fault LED Detection: May offer additional details or visual indicators for detected faults.
- Información do vehículo: Access to detailed vehicle parameters.
- Trip Analysis: Monitors driving patterns and vehicle performance over trips.
- Vehicle Performance Testing: Conducts various performance tests.
- Vehicle Simulation Annual Inspection: Simulates an annual inspection to check readiness.
- Firmware OTA Upgrade: Allows for over-the-air firmware updates for the scanner.
6. Compatibilidade
The PARANNIC MS310 is compatible with most OBD2/EOBD compliant vehicles. This includes:
- American cars manufactured after 1996.
- European cars manufactured after 2003.
- Asian cars manufactured after 2008.
Supported OBD2 Protocols:
- SAE J1850 PWM (41.6KBAUD)
- SAE J1850 VPW (10.4KBAUD)
- ISO9141-2 (5 BAUD INIT, 10.4KBAUD)
- ISO14230-4 KWP (5 BAUD INIT, 10.4 KBAUD)
- ISO14230-4 KWP (FAST INIT, 10.4 KBAUD)
- ISO15765-4 CAN (11BIT ID, 500 KBAUD)
- ISO15765-4 CAN (29BIT ID, 500 KBAUD)
- ISO15765-4 CAN (11BIT ID, 250 KBAUD)
- ISO15765-4 CAN (29BIT ID, 250 KBAUD)
The device supports 10 languages: English, French, German, Dutch, Spanish, Italian, Polish, Finnish, Portuguese, and Chinese.

Image 6.1: Global vehicle compatibility and supported communication protocols and languages.
7. Mantemento
- Limpeza: Use un suave, damp pano para limpar o exterior do escáner. Non empregue produtos de limpeza abrasivos nin disolventes.
- Almacenamento: Garde o dispositivo nun lugar seco e fresco, lonxe da luz solar directa e de temperaturas extremas.
- Coidado do cable: Evite dobrar ou retorcer excesivamente o cable OBD-II para evitar danalos.
8 Solución de problemas
- O escáner non se acende:
- Ensure the OBD-II connector is securely plugged into the vehicle's DLC.
- Comprobe que o contacto do vehículo estea na posición "ON".
- Check the vehicle's fuse for the OBD-II port (refer to your vehicle's manual).
- Communication Error with Vehicle:
- Confirm the vehicle is OBD2/EOBD compliant (generally 1996 and newer for US, 2003 for EU, 2008 for Asia).
- Asegúrese de que a conexión é segura.
- Try connecting to a different compatible vehicle to rule out scanner malfunction.
- Problemas de conexión Bluetooth:
- Asegúrate de que o Bluetooth estea activado no teu smartphone.
- Restart both the scanner (by unplugging and replugging) and your smartphone.
- Ensure the YMOBD app is updated to the latest version.
- Incorrect Data Readings:
- Verify the vehicle's ignition is 'ON' and the engine is running for live data.
- Ensure the scanner's firmware is up to date via the YMOBD app.
9. Especificacións
| Característica | Especificación |
|---|---|
| Marca | PARANNIC |
| Número de modelo | MS310 |
| Peso do elemento | 9.1 onzas |
| Dimensións do produto | 4 x 2.13 x 1 polgadas |
| Sistema Operativo | ESCÁNER OBD2 |
| Conectividade | Wired (OBD-II), Bluetooth |
| Protocolos admitidos | SAE J1850 PWM, SAE J1850 VPW, ISO9141-2, ISO14230-4 KWP, ISO15765-4 CAN |
| Idiomas admitidos | English, French, German, Dutch, Spanish, Italian, Polish, Finnish, Portuguese, Chinese |
| UPC | 787942695630 |
10. Garantía e soporte
The PARANNIC MS310 OBD2 Bluetooth Diagnostic Scanner comes with a Garantía de devolución de diñeiro de 180 días if you are unsatisfied for any reason. Additionally, a 3-year repair or replace manufacturer warranty se proporciona.
For technical support, warranty claims, or further assistance, please contact PARANNIC customer service through the retailer's platform or the contact information provided with your purchase.