1. Introdução
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. Informações de segurança
- Sempre realize testes automotivos em um ambiente seguro.
- Do not operate the tool while driving a vehicle.
- Use proteção para os olhos que atenda aos padrões ANSI.
- Mantenha roupas, cabelos, mãos, ferramentas e equipamentos de teste longe de todas as peças móveis ou quentes do motor.
- Certifique-se de que o veículo esteja em PARK (transmissão automática) ou NEUTRAL (transmissão manual) e que o freio de estacionamento esteja acionado.
- Place blocks in front of the drive wheels and never leave the vehicle unattended while testing.
- 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 acabadoview
The PARANNIC MS310 scanner features a clear display, intuitive button layout, and an integrated OBD-II connector cable for direct connection to your vehicle.

Imagem 3.1: Frente view of the PARANNIC MS310 OBD2 Scanner, highlighting the display and control buttons.
Componentes do dispositivo:
- Tela LCD: Shows diagnostic results, menu options, and live data.
- Botões para cima / para baixo: Navegue pelas opções do menu.
- Botão OK: Confirma as seleções ou entra nos submenus.
- Botão SAIR: Returns to the previous menu or cancels an operation.
- Botão F1: Function button (specific use may vary by menu).
- Conector OBD-II: Connects the scanner to the vehicle's OBD-II port.
4. Configuração
4.1 Conexão ao veículo
- Localize o conector de diagnóstico de 16 pinos (DLC) do veículo. Normalmente, ele está localizado embaixo do painel, do lado do motorista.
- Certifique-se de que a ignição do veículo esteja na posição 'DESLIGADO'.
- Firmly plug the MS310's OBD-II connector into the vehicle's DLC.
- Gire a chave de ignição do veículo para a posição "ON" (motor desligado). O scanner ligará 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).
- Ative o Bluetooth no seu 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.

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

Imagem 5.1: Terminadoview of the multifunction capabilities of the PARANNIC MS310 scanner.
5.1 Basic Diagnostic Functions
- Leia os 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 Quadro de congelamento: 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.
- Status de prontidão I/M: Checks the status of the vehicle's emission-related monitoring systems to determine if they are ready for an inspection/maintenance test.
- Transmissão de dados ao vivo: 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 Funções de diagnóstico avançadas
- Oxygen Sensor Test: Retrieves O2 sensor monitoring test results from the vehicle's computer.
- Teste de componentes: 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 Monitoramento: Provides real-time battery voltage readings and can assess battery health.
- Informações do veículo (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.
- Informações do veículo: Access to detailed vehicle parameters.
- Análise da viagem: 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.
Protocolos OBD2 suportados:
- 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. Manutenção
- Limpeza: Use um pano macio e macioamp Use um pano para limpar a parte externa do scanner. Não utilize produtos de limpeza abrasivos ou solventes.
- Armazenar: Guarde o dispositivo em local seco e fresco, longe da luz solar direta e de temperaturas extremas.
- Cuidados com os cabos: Avoid bending or twisting the OBD-II cable excessively to prevent damage.
8. Solução De Problemas
- O scanner não liga:
- Certifique-se de que o conector OBD-II esteja firmemente conectado à porta DLC do veículo.
- Verify the vehicle's ignition is in the 'ON' position.
- Check the vehicle's fuse for the OBD-II port (refer to your vehicle's manual).
- Erro de comunicação com o veículo:
- Confirm the vehicle is OBD2/EOBD compliant (generally 1996 and newer for US, 2003 for EU, 2008 for Asia).
- Certifique-se de que a conexão seja segura.
- Try connecting to a different compatible vehicle to rule out scanner malfunction.
- Problemas de conexão Bluetooth:
- Certifique-se de que o Bluetooth esteja ativado em seu smartphone.
- Restart both the scanner (by unplugging and replugging) and your smartphone.
- Ensure the YMOBD app is updated to the latest version.
- Leituras de dados incorretas:
- 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. Especificações
| Recurso | Especificação |
|---|---|
| Marca | PARANNIC |
| Número do modelo | MS310 |
| Peso do item | 9.1 onças |
| Dimensões do produto | 4 x 2.13 x 1 polegadas |
| Sistema operacional | SCANNER OBD2 |
| Conectividade | Wired (OBD-II), Bluetooth |
| Protocolos Suportados | SAE J1850 PWM, SAE J1850 VPW, ISO9141-2, ISO14230-4 KWP, ISO15765-4 CAN |
| Idiomas suportados | English, French, German, Dutch, Spanish, Italian, Polish, Finnish, Portuguese, Chinese |
| UPC | 787942695630 |
10. Garantia e Suporte
The PARANNIC MS310 OBD2 Bluetooth Diagnostic Scanner comes with a Garantia de reembolso de 180 dias if you are unsatisfied for any reason. Additionally, a 3-year repair or replace manufacturer warranty é fornecido.
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.