Introdução
The Autel MaxiCOM MK900 is an advanced automotive diagnostic scanner designed for comprehensive vehicle system analysis. This device offers extensive diagnostic capabilities, including bidirectional control, a wide range of service functions, and support for modern communication protocols like CAN-FD and DoIP. It is built on an Android 11 platform, featuring an 8-inch touchscreen for intuitive operation.
Os principais recursos incluem:
- Over 3,000 active tests for component verification.
- More than 40 service functions for common maintenance tasks.
- OE-level all-system diagnostics with extensive ECU coverage.
- Fast AutoVIN 2.0 and VIN/license plate scanning.
- Support for CAN-FD and DoIP protocols for newer vehicles.
- Pre and post-repair reporting with Wi-Fi printing.
- Remote Desktop and Cloud Report Management.
- Compatibility with optional accessories like the BT506 battery tester and MV108S/105S endoscopes.

Figure 1: Autel MaxiCOM MK900 device and included accessories.
Instruções de configuração
- Desembalagem: Carefully remove the MaxiCOM MK900 unit and all accessories from the packaging. Verify all components listed in the packing list are present.
- Carga inicial: Connect the power adapter to the MK900 and a power outlet. Allow the device to charge fully before first use. The battery indicator will show charging status.
- Ligar: Press and hold the power button located on the side of the device until the Autel logo appears on the screen.
- Configuração de idioma e região: Siga as instruções na tela para selecionar o idioma e a região de sua preferência.
- Conexão Wi-Fi: Navegar para Configurações and connect the device to a stable Wi-Fi network. This is essential for software updates and online features.
- Atualização de software: After connecting to Wi-Fi, go to the Atualizar application. Download and install all available system and vehicle software updates to ensure optimal performance and the latest vehicle coverage.
- Conectar ao veículo:
- Locate the vehicle's OBD-II port, typically under the dashboard on the driver's side.
- Connect the diagnostic cable from the MK900 to the vehicle's OBD-II port.
- Gire a chave de ignição do veículo para a posição "ON" (motor desligado).

Figure 2: Connecting the Autel MaxiCOM MK900 to a vehicle's OBD-II port.
Instruções de operação
The MaxiCOM MK900 provides a user-friendly interface for various diagnostic and service functions. Below are general steps for common operations.
1. Diagnóstico do veículo
- No menu principal, toque em "Diagnostics".
- Select the vehicle manufacturer (e.g., Ford, Chevrolet, Jeep).
- Escolher "Automatic selection" to allow the tool to automatically read the VIN, or "Manual selection" if automatic VIN acquisition fails.
- Confirm the vehicle profile (make, model, year, engine type).
- Uma vez conectado, selecione "Auto Scan" to perform a comprehensive scan of all available vehicle systems (e.g., Engine, ABS, Airbag, Transmission).
- Review the detected Diagnostic Trouble Codes (DTCs) and system status. You can select specific systems for deeper analysis.
- Reading and Clearing Codes:
- To read codes, select the desired system and choose "Ler códigos".
- To clear codes, after addressing the underlying issue, select the system and choose "Apagar Códigos".
- Dados ao vivo: Access real-time sensor data by selecting "Dados em tempo real". This can be displayed in text, graph, or gauge format for detailed analysis.

Figure 3: Main diagnostic menu showing various vehicle brands.

Figure 4: OE-level all system scan in progress.
2. Active Tests (Bidirectional Control)
Active tests allow you to send commands to vehicle systems to test component functionality. This is crucial for pinpointing faulty parts.
- Do "Diagnostics" menu, after selecting the vehicle, navigate to the specific system (e.g., Engine, ABS).
- Look for options like "Active Test" or "Actuation Test".
- Select the component you wish to test (e.g., fuel pump, cooling fan, window motor).
- Follow the on-screen instructions to activate or deactivate the component and observe its response.

Figura 5: Examples of bidirectional active tests available.
3. Funções de serviço
The MK900 offers over 40 service functions for routine maintenance and special operations.
- No menu principal, toque em "Service" or "Hot Functions".
- Select the desired service function (e.g., Oil Reset, EPB Reset, SAS Calibration, DPF Regeneration, TPMS Reset, Injector Coding).
- Follow the detailed on-screen instructions to perform the service. Ensure all prerequisites are met before proceeding.

Figure 6: Hot service functions menu.
4. Pre & Post Scan Reports
Generate comprehensive reports before and after repairs to document diagnostic findings and confirm successful repairs.
- Perform an "Auto Scan" antes de iniciar qualquer reparo.
- Save the scan results as a "Pre-Scan Report".
- After completing repairs, perform another "Auto Scan".
- Save these results as a "Post-Scan Report".
- Reports can be wirelessly printed via Wi-Fi or uploaded to the Autel Cloud for management and sharing.

Figure 7: Pre & Post Scan Report workflow.
Manutenção
- Atualizações de software: Regularly check for and install software updates via Wi-Fi to ensure the device has the latest vehicle coverage and functionalities.
- Limpeza: Use um pano macio e macioamp Use um pano para limpar a tela e a parte externa do dispositivo. Evite produtos de limpeza abrasivos ou solventes.
- Armazenar: Store the device in its protective case in a cool, dry place when not in use. Avoid extreme temperatures.
- Cuidados com a bateria: Para prolongar a vida útil da bateria, evite descarregá-la completamente com frequência. Carregue o dispositivo regularmente, principalmente se for armazená-lo por longos períodos.
- Inspeção de cabos: Periodically inspect the diagnostic cable for any signs of wear, damage, or fraying. Replace damaged cables immediately to prevent electrical issues.
Solução de problemas
- Q: Why don't some features work?
- A: Approximately 90% of cases are due to vehicle incompatibility. Send your Vehicle Identification Number (VIN) to Autel support for a compatibility check.
- Q: Are upgrades free?
- A: The device includes 1 year of free upgrades. After the first year, upgrades are available for an annual fee (approximately $149/year). Core functions will continue to work without renewal, but cloud-based features may be restricted.
- Q: Does it support Bluetooth?
- A: The Autel MaxiCOM MK900 model primarily uses a wired connection for stability and speed. It does not feature Bluetooth connectivity, ensuring no data drop-offs or lag associated with wireless connections.
Especificações
| Marca | Autel |
| Modelo | MaxiCOM MK900 |
| Fonte de energia | Alimentado por bateria (7700mAh) |
| Sistema operacional | Androide 11.0 |
| Tamanho da tela | 8 Inches (1280x800 resolution) |
| Processador | Quad-core RK3566 |
| Memória | 4 GB de RAM + 64 GB de ROM |
| Conectividade | Wired (OBD-II), Dual-band 5GHz & 2.4GHz Wi-Fi |
| Tipo de ajuste automotivo | Universal Fit (1996-2026 models, 150+ makes) |
| Componentes incluídos | Autel MaxiCOM MK900 unit |

Figure 8: Comparison of MK900 specifications.
Informações de garantia
The Autel MaxiCOM MK900 comes with a Garantia do fabricante de 12 mesesEsta garantia cobre defeitos de materiais e de fabricação sob uso normal. Guarde seu comprovante de compra para eventuais solicitações de garantia.
Additionally, the device includes 1 year of free software updates from the date of purchase. Regular updates ensure continued compatibility with new vehicle models and access to the latest diagnostic features.
Apoiar
For technical assistance, product inquiries, or warranty support, please contact Autel customer service:
- E-mail: autelcare@outlook.com
- Telefone: 1-833-436-5880 (9 AM - 6 PM EST)
Please have your device's serial number (S/N) ready when contacting support for faster service. A PDF user manual is available upon request.