1. Introduktion
The XTOOL D8W is an advanced wireless OBD2 diagnostic scanner designed for comprehensive vehicle analysis and maintenance. This device offers a wide range of functions including full system diagnostics, bidirectional controls, ECU coding, and numerous special service functions. It features a wireless VCI for stable and fast data transfer, supporting modern vehicle protocols like CANFD and DoIP, and includes FCA AutoAuth capabilities.
This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your XTOOL D8W diagnostic tool to ensure optimal performance and accurate vehicle diagnostics.

Figure 1: XTOOL D8W Diagnostic Scanner and Components.
2. Opsætning
2.1 Pakkens indhold
Bekræft at alle komponenter er til stede i pakken:
- XTOOL D8W Tablet
- Wireless VCI (Vehicle Communication Interface)
- Ladekabel
- Brugervejledning (dette dokument)
- Bæretaske
2.2 Første opstart og opladning
The XTOOL D8W tablet is equipped with a built-in Lithium Ion battery. Before first use, ensure the device is fully charged. Connect the charging cable to the tablet and a power source. The charging indicator will illuminate.
2.3 Connecting the Wireless VCI
The D8W utilizes a wireless VCI for communication with the vehicle. This VCI connects to the vehicle's OBD2 port and communicates with the tablet via Wi-Fi.
- Find køretøjets OBD2-port, typisk under instrumentbrættet i førersiden.
- Plug the wireless VCI securely into the OBD2 port. The VCI's indicator light will show a successful connection.
- On the D8W tablet, ensure Wi-Fi is enabled. The tablet will automatically detect and connect to the VCI. This wireless connection offers a range of up to 66 feet and data transfer speeds up to 64 Mbps.

Figure 2: Wireless VCI connection process.
2.4 Softwareopdateringer
The XTOOL D8W includes 3 years of free software updates. Regular updates ensure compatibility with new vehicle models and access to the latest diagnostic functions.
- Connect the tablet to a stable internet connection (Wi-Fi).
- Navigate to the "Updates" section on the tablet's main menu.
- Følg vejledningen på skærmen for at downloade og installere tilgængelige opdateringer.
2.5 Sprogindstillinger
The device supports over 23 languages. To change the language:
- Go to "Settings" on the main menu.
- Select "Language" and choose your preferred language.
- If your desired language is not listed or requires activation, contact XTOOL support with your device's serial number.

Figure 3: Multilingual support interface.
3. Operating the XTOOL D8W
3.1 Køretøjstilslutning og -identifikation
After connecting the VCI to the vehicle's OBD2 port and ensuring a wireless connection to the tablet:
- Select "Diagnosis" from the main menu.
- Enheden understøtter AutoVIN for automatic vehicle identification and AutoScan to scan all available Electronic Control Units (ECUs).
- Alternatively, you can manually select the vehicle make, model, and year.
3.2 Fuld systemdiagnostik
The D8W performs dealer-level diagnostics across all available vehicle systems, including Engine, ABS, SRS, Transmission, HVAC, TPMS, and more.
- Læs DTC'er: Retrieve diagnostic trouble codes from all systems.
- Ryd DTC'er: Slet gemte fejlkoder efter reparationer.
- Live data: View real-time data streams from various sensors and components.
- Frysestativ: Capture a snapshot of vehicle conditions when a DTC was set.
- ECU oplysninger: Display detailed information about the vehicle's ECUs.

Figur 4: Overview of OE-level all systems diagnostics.
3.3 Topology Mapping
The Topology Mapping feature provides a visual representation of the vehicle's communication network, showing the status of each module and simplifying fault detection.
- Access Topology Mapping from the main diagnosis screen.
- Modules are displayed with color-coded indicators for their status (e.g., green for normal, red for fault).
- Click on a module to view specific details or DTCs.

Figure 5: Topology Map capability for visual fault identification.
3.4 Tovejskontroller (aktive test)
Perform active tests to command vehicle components to perform specific functions, aiding in troubleshooting and component verification. The D8W supports over 4000 active tests.
- Examples include testing A/C clutch engagement, operating mirrors, wipers, sunroof, fuel pumps, and various valves.
- Navigate to "Active Tests" within the diagnostic menu for the relevant system.
- Follow on-screen instructions to perform tests safely.

Figure 6: Bidirectional controls interface for active component testing.
3.5 Special Functions (42+ Resets/Adaptations)
The D8W offers a wide array of special service functions for maintenance and repair tasks. These functions vary by vehicle make and model.
- Almindelige funktioner omfatter: Oil Light Reset, Throttle Relearn, Electronic Parking Brake (EPB) Reset, Steering Angle Sensor (SAS) Calibration, Gearbox Match, Battery Management System (BMS) Reset, Injector Coding, Diesel Particulate Filter (DPF) Regeneration, Crank Sensor Relearn, Tire Pressure Monitoring System (TPMS) Reset, Power Balance, Tire Size Reset, Air/Fuel (A/F) Reset, Headlight Adjustment, Coolant Bleeding, Suspension Calibration, Seat Match, ECU Configurations, ABS Bleeding, Stop/Start Reset, Language Change, Control Unit Reset, Rain/Light Sensor Calibration, A/C Relearn, HV Battery Diagnostics, VGT Relearn, FRM Reset, SRS (Airbag) Reset, Clutch Adaptation.
- Access these functions via the "Special Function" menu.
- Note: Compatibility for specific functions varies by vehicle. Always verify compatibility before proceeding.

Figur 7: Eksamples of advanced maintenance selections.
3.6 ECU Coding and Configuration
The D8W supports advanced ECU Coding for certain vehicle brands (e.g., Benz, BMW, Mitsubishi). This allows for customization of vehicle settings and activation of hidden functions.
- Follow the guided procedures carefully. Incorrect coding can lead to vehicle malfunctions.
- The device also supports Programmable Module Installation (PMI) for Ford, Lincoln, and Mazda vehicles, enabling data transfer to new modules during replacement.

Figure 8: Online ECU Coding interface.

Figure 9: Programmable Module Installation (PMI) in progress.
3.7 Live Data Graphing and Recording
Monitor up to 8 live data parameters simultaneously with graphical display. Data can be recorded, played back, and exported as a CSV file for detaljeret analyse.

Figure 10: Live data recording and graphing interface.
3.8 Præ-scanning og post-scanningsfunktioner
Utilize the Pre-Scan function to identify potential issues and DTCs before repairs. After repairs, perform a Post-Scan to confirm all issues are resolved and validate vehicle performance.

Figure 11: Pre-Scan and Post-Scan diagnostic results.
3.9 Diagnostic Report 2.0
Generate comprehensive and customizable diagnostic reports (V2.0) that can be saved or emailed. These reports provide a clear overview of vehicle health and diagnostic findings.

Figur 12: Eksample of Diagnostic Report 2.0.
3.10 FCA AutoAuth
The D8W supports FCA AutoAuth for accessing protected modules in 2018+ Chrysler, Jeep, Dodge, and 2017+ Fiat vehicles. This requires an active AutoAuth account.
- Follow the on-screen prompts to log in with your AutoAuth credentials when prompted.
- Note: FCA support is primarily for North America. For other regions, an XTOOL 12+8 adapter may be required.

Figure 13: FCA AutoAuth login interface.
4. Vedligeholdelse
4.1 Softwareopdateringer
Regularly check for and install software updates as described in Section 2.4. This ensures your device has the latest vehicle coverage and diagnostic capabilities.
4.2 Rengøring af enheden
Brug en blød, damp cloth to clean the tablet screen and body. Avoid abrasive cleaners or solvents that could damage the device. Ensure the VCI is free of debris before connecting to the OBD2 port.
4.3 Pleje af batterier
For at forlænge batteriets levetid bør du undgå at aflade enheden helt ofte. Opbevar enheden et køligt og tørt sted, når den ikke er i brug i længere perioder.
5. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke. | Lavt batteri; tænd/sluk-knappen er ikke trykket korrekt ind. | Oplad enheden i mindst 30 minutter. Tryk på tænd/sluk-knappen og hold den nede i 3-5 sekunder. |
| VCI not connecting wirelessly. | VCI not properly seated; Wi-Fi disabled on tablet; VCI malfunction. | Ensure VCI is firmly plugged into OBD2 port. Check tablet Wi-Fi settings. Restart both tablet and VCI. |
| Kommunikationsfejl i køretøjet. | Incorrect vehicle selection; VCI connection issue; vehicle's ignition off. | Verify vehicle information. Ensure VCI is connected. Turn vehicle ignition to ON position (engine off). |
| En specifik funktion virker ikke. | Vehicle incompatibility; software not updated. | Check vehicle compatibility for the specific function. Perform a software update. Contact XTOOL support for assistance. |
| Slow live data refresh rate. | Network interference; large number of PIDs selected. | Ensure stable Wi-Fi connection. Reduce the number of live data PIDs being monitored simultaneously. |
For issues not listed here, please refer to the support section or contact XTOOL technical support.
6. Specifikationer
| Feature | Detalje |
|---|---|
| Model | XTOOL D8W |
| Operativsystem | Android 10.0 |
| Hukommelse | 4 GB RAM + 64 GB lagerplads |
| Forbindelse | Wireless Wi-Fi VCI (up to 64 Mbps, 66 ft range), CANFD, DoIP |
| Vise | 8 tommer skærm |
| Batteri | 1 lithium-ion batteri (medfølger) |
| Dimensioner | 12.5 x 11 x 3.8 tommer |
| Varens vægt | 5.48 pund |
| Understøttede protokoller | CANFD, DoIP, FCA AutoAuth |
| UPC | 753124715489 |
7. Garanti og support
7.1 Garantioplysninger
XTOOL D8W leveres med en 24-month brand warranty fra købsdatoen, dækker fabrikationsfejl og funktionsfejl ved normal brug.
Additionally, the device includes 3 års gratis softwareopdateringer. After the initial 3 years, you can continue to use the last updated functions even without renewal.
7.2 Teknisk support
XTOOL provides livslang teknisk support for the D8W. If you encounter any issues or require assistance, please contact our support team.
- E-mail support: xtoolofficial@hotmail.com (as indicated in product information)
- Support is available 24/7/365.
- When contacting support, please provide your device's serial number (S/N) for faster service.

Figur 14: Overview of warranty and support benefits.





