Introdución
The AUTOPHIX F803 is a professional diagnostic tool designed for heavy-duty trucks and cars. It offers comprehensive system diagnostics, DPF regeneration functions, and standard OBD2 capabilities. This manual provides detailed instructions for its proper use and maintenance.
Características clave
- DPF Regeneration Functions: Supports OEM-level DPF functions for Cummins, Detroit, Caterpillar, and Paccar engines, including DPF regen, reset, and related information reset.
- Diagnóstico completo do sistema: Reads and clears trouble codes, displays ECU information, and shows live data for all systems in diesel trucks (Engine, ABS, SRS, SAS, Transmission, TPMS, ESP, EPB, Suspension, etc.).
- Ampla compatibilidade de vehículos: Supports major truck models complying with SAE J1939/J1708/J1850/J1587/J27145 protocols, including Volvo, Mack, International, Freightliner, Peterbilt, Kenworth, Western Star, Cummins, Caterpillar, Detroit, Paccar, Isuzu, Fuso. Also supports OBD2 diagnostics for most cars, minivans, and light trucks from 1996 onwards.
- PIN Detect & Simulation Mode: Measures OBD port voltage and diagnoses connection status. Includes a simulation/demo mode for beginners.
- Hardware mellorado: Features a 5-inch LCD display, 1GB RAM/8GB ROM, DC 10V-36V/3A power input, 2.4GHz WiFi, Quad-Core ARM Cortex-A7 CPU, and a capacitive touchscreen.
- Actualizacións gratuítas de por vida: Provides constant software and database updates via WiFi.
Contido do paquete
The F803 diagnostic tool package typically includes:
- F803 Unidade principal
- Diagnostic Cables (e.g., OBDII, 6-pin, 9-pin connectors)
- Cable USB
- Manual de usuario
- Maletín de transporte

Image: The AUTOPHIX F803 diagnostic scanner with various diagnostic cables and connectors, displayed on a stand.
Configuración
- Cargar o dispositivo: Ensure the F803 unit is sufficiently charged before first use. Connect the device to a power source using the provided USB cable if needed.
- Encendido: Manteña premido o botón de acendido para acender o dispositivo.
- Configuración inicial: Follow the on-screen prompts to select language (English or Spanish), set time zone, and connect to a Wi-Fi network for updates.
- Activar o dispositivo: The device requires activation. Follow the one-click activation process as prompted on the screen.
- Actualizar software: Connect to Wi-Fi and navigate to the update section to download and install the latest software and vehicle databases. This ensures compatibility with the newest vehicle models and features.
Instrucións de funcionamento
Conexión a un vehículo
- Locate the Diagnostic Port: For heavy-duty trucks, this is typically a 6-pin, 9-pin, or 16-pin (OBDII) connector, often found in the cab or near the dashboard. For cars, it's usually a 16-pin OBDII port under the dashboard.
- Select Appropriate Cable: Choose the correct diagnostic cable for your vehicle's port.
- Conecta o escáner: Plug one end of the diagnostic cable into the F803 unit and the other end into the vehicle's diagnostic port.
- Acender o contacto: Xire o contacto do vehículo á posición "ON" (motor apagado).
- PIN Detect (Optional): Use the "PIN Detect" function on the F803 to verify the connection status and voltage of the OBD port.
Performing Diagnostics (Heavy Duty Trucks)

Image: Diagram illustrating the F803's ability to scan various truck systems including Engine, ABS, SRS, Transmission, Suspension, and more.
- Select "Diesel OBD" or Specific Manufacturer: From the main menu, choose "Diesel OBD" for general heavy-duty diagnostics or select a specific manufacturer (e.g., Cummins, Caterpillar, Detroit, Paccar) if available for more advanced functions.
- Identificación do vehículo: The scanner will attempt to automatically identify the vehicle. If unsuccessful, you may need to manually enter vehicle information.
- Escaneo do sistema: Select "Full System Scan" to diagnose all available electronic control units (ECUs) or choose specific systems (e.g., Engine, ABS, Transmission) for targeted diagnostics.
- Ler/Borrar códigos: View diagnostic trouble codes (DTCs) and their descriptions. After addressing the underlying issue, clear the codes.
- Datos en directo: Monitor real-time sensor data in text or graphical format to observe vehicle performance and identify anomalies.
- Información ECU: Access detailed information about the vehicle's ECUs.
DPF Regeneration Functions

Image: Diagram illustrating the Diesel Particulate Filter (DPF) and Diesel Exhaust Fluid (DEF) system, showing the DPF regeneration process.
The F803 supports various DPF functions for compatible engines.
- Access DPF Menu: From the main menu or specific manufacturer menu, navigate to the DPF functions.
- Seleccionar función: Choose the desired DPF function, such as:
- Rexeneración DPF
- Restablecer DPF
- DPF Related Information Reset
- DPR State Reset
- Forced DPD Regen
- Ash Service Regen
- Reset Soot Level
- Siga as instrucións na pantalla: The tool will guide you through the specific steps required for each DPF function. Ensure all safety precautions are followed.
OBDII Diagnostics (Cars & Light Trucks)

Image: Illustration showing the F803 performing OBDII diagnostics on both a heavy-duty truck and a passenger car, highlighting functions like Read Codes, Erase Codes, Live Data, and I/M Readiness.
- Select "OBDII": From the main menu, choose the "OBDII" option.
- Ler códigos: Retrieve generic and manufacturer-specific diagnostic trouble codes.
- Borrar códigos: Borrar os DTC e apagar o indicador de avaría Lamp (MIL) despois das reparacións.
- Fluxo de datos en directo: View real-time operational parameters of the engine.
- Dispoñibilidade I / M: Comprobar o estado dos monitores relacionados coas emisións.
- Conxelar datos de cadros: View unha instantánea das condicións de funcionamento cando se produciu un fallo relacionado coas emisións.
- Proba do sensor de O2: Retrieve O2 sensor monitoring test results.
- Proba do monitor a bordo: Obter resultados para compoñentes e sistemas do tren motriz relacionados coas emisións.
- Proba do sistema EVAP: Iniciar unha proba do sistema de emisión evaporativa.
- Información do vehículo: Recuperar o número de identificación do vehículo (VIN), o ID de calibración e o número de verificación da calibración (CVN).
Funcións adicionais
- Captura de pantalla: Capture screen images for documentation.
- Comentarios: Send diagnostic feedback to technical support.
- Create/Send Report: Generate diagnostic reports and send them via email.
- Datos Review & Reprodución: Review datos de diagnóstico rexistrados previamente.
Wide Truck Compatibility Overview

Image: Visual representation of the F803's compatibility with various truck brands including Freightliner, Peterbilt, International, Caterpillar, Volvo, and Ford Pickup.

Image: A table detailing F803 compatibility across various engine types (Cummins, Caterpillar, Paccar, Detroit) and corresponding vehicle brands and models.
Mantemento
- Manter limpo: Limpe o dispositivo cun pano suave e seco. Evite o uso de produtos de limpeza abrasivos ou solventes.
- Almacenar correctamente: Store the F803 in its protective case in a dry, cool environment when not in use.
- Actualizacións de software: Regularly update the software via Wi-Fi to ensure optimal performance and access to the latest vehicle data.
- Coidado da batería: Avoid fully discharging the battery frequently. Charge the device regularly, especially if stored for extended periods.
- Inspección de cables: Periodically inspect diagnostic cables for any signs of damage (fraying, bent pins). Replace damaged cables immediately.
Resolución de problemas
- O dispositivo non se acende:
- Ensure the battery is charged. Connect to a power adapter.
- Comprobe se o botón de acendido funciona correctamente.
- Sen comunicación co vehículo:
- Verify the ignition is in the "ON" position.
- Check if the diagnostic cable is securely connected to both the F803 and the vehicle's OBD port.
- Ensure the correct diagnostic cable is used for the vehicle.
- Use the "PIN Detect" function to check the OBD port's voltage and connection status.
- Try the scanner on another compatible vehicle to rule out a vehicle-specific issue.
- Software update failed:
- Asegúrate dunha conexión Wi-Fi estable.
- Comprobe se hai espazo de almacenamento suficiente no dispositivo.
- Restart the device and try the update again.
- A pantalla non responde:
- Realiza un reinicio suave mantendo premido o botón de acendido ata que o dispositivo se reinicie.
- Asegúrate de que a pantalla estea limpa e libre de residuos.
Especificacións
| Característica | Detalle |
|---|---|
| Modelo | F803 |
| Mostrar | 5-inch LCD, Capacitive Touchscreen |
| Procesador | ARM Cortex-A7 de catro núcleos |
| Memoria | 1 GB de RAM / 8 GB de ROM |
| Vol. Operativotage | DC 10 V-36 V/3 A |
| Conectividade | Wi-Fi de 2.4 GHz |
| Dimensións | 28 x 15 x 10 cm (aproximadamente) |
| Protocolos admitidos | SAE J1939, SAE J1708, SAE J1850, SAE J1587, SAE J27145, OBDII |
| Idiomas admitidos | inglés, español |

Image: Visual representation of the F803's enhanced hardware components, including the 5-inch LCD, 1GB RAM/8GB ROM, DC 10V-36V/3A power, 2.4GHz WiFi, Quad-Core ARM Cortex-A7 CPU, and capacitive screen.
Garantía e Soporte
The AUTOPHIX F803 diagnostic tool comes with a 2-year warranty. Additionally, a 60-day free return period for refund or replacement is offered.
For technical assistance, the manufacturer provides 24/7 technical support. Users can utilize the "Feedback" function within the device to send diagnostic logs and inquiries directly to support.
Lifetime free software updates are provided via Wi-Fi to ensure the device remains current with the latest vehicle technologies and diagnostic capabilities.





