Introdución
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.
As características principais inclúen:
- 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.
Instrucións de configuración
- Desembalaxe: 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.
- Encendido: Press and hold the power button located on the side of the device until the Autel logo appears on the screen.
- Language and Region Setup: Follow the on-screen prompts to select your preferred language and region settings.
- Conexión Wi-Fi: Navega ata Configuración and connect the device to a stable Wi-Fi network. This is essential for software updates and online features.
- Actualización de software: Despois de conectarte á wifi, vai a Actualizar application. Download and install all available system and vehicle software updates to ensure optimal performance and the latest vehicle coverage.
- Conectar ao vehículo:
- Localiza o porto OBD-II do vehículo, normalmente debaixo do taboleiro no lado do condutor.
- Connect the diagnostic cable from the MK900 to the vehicle's OBD-II port.
- Xire o contacto do vehículo á posición "ON" (motor apagado).

Figure 2: Connecting the Autel MaxiCOM MK900 to a vehicle's OBD-II port.
Instrucións de funcionamento
The MaxiCOM MK900 provides a user-friendly interface for various diagnostic and service functions. Below are general steps for common operations.
1. Diagnóstico de vehículos
- No menú principal, toque "Diagnostics".
- Select the vehicle manufacturer (e.g., Ford, Chevrolet, Jeep).
- Escolle "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).
- Unha vez conectado, seleccione "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 "Borrar códigos".
- Datos en directo: Access real-time sensor data by selecting "Datos en directo". 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.
- Dende o "Diagnostics" menu, after selecting the vehicle, navigate to the specific system (e.g., Engine, ABS).
- Look for options like "Active Test" or "Proba de actuación".
- Select the component you wish to test (e.g., fuel pump, cooling fan, window motor).
- Siga as instrucións en pantalla para activar ou desactivar o compoñente e observe a súa resposta.

Figura 5: Examples of bidirectional active tests available.
3. Funcións de servizo
The MK900 offers over 40 service functions for routine maintenance and special operations.
- No menú principal, toque "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" before starting any repairs.
- 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.
Mantemento
- Actualizacións 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 un suave, damp pano para limpar a pantalla e o exterior do dispositivo. Evite produtos de limpeza abrasivos ou solventes.
- Almacenamento: Store the device in its protective case in a cool, dry place when not in use. Avoid extreme temperatures.
- Coidado da batería: Para prolongar a duración da batería, evite descargala completamente con frecuencia. Cargue o dispositivo con regularidade, especialmente se o garda durante períodos prolongados.
- Inspección de cables: Periodically inspect the diagnostic cable for any signs of wear, damage, or fraying. Replace damaged cables immediately to prevent electrical issues.
Resolución 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.
Especificacións
| Marca | Autel |
| Modelo | MaxiCOM MK900 |
| Fonte de enerxía | Alimentado por batería (7700 mAh) |
| Sistema Operativo | Android 11.0 |
| Tamaño da pantalla | 8 polgadas (resolución de 1280 x 800) |
| Procesador | Quad-core RK3566 |
| Memoria | 4 GB de RAM + 64 GB de ROM |
| Conectividade | Wired (OBD-II), Dual-band 5GHz & 2.4GHz Wi-Fi |
| Tipo de ajuste automotriz | Universal Fit (1996-2026 models, 150+ makes) |
| Compoñentes incluídos | Autel MaxiCOM MK900 unit |

Figure 8: Comparison of MK900 specifications.
Información da garantía
The Autel MaxiCOM MK900 comes with a Garantía do fabricante de 12 mesesEsta garantía cobre defectos de materiais e fabricación en condicións normais de uso. Conserve o comprobante de compra para reclamacións de garantía.
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.
Apoio
For technical assistance, product inquiries, or warranty support, please contact Autel customer service:
- Correo electrónico: autelcare@outlook.com
- Teléfono: 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.