Xtool Car BT Diagnosis System D8 Introduction

The D8 BT Smart Diagnostic System is an advanced scanning tool based on the Android operating system. It supports multi-language switching, making it suitable for various countries and regions. This OBD-II scanner offers numerous advantages, including comprehensive functions such as complete system diagnosis, all OBD-II functions, and various reset capabilities, enabling faster and more accurate diagnostics.

The Xtool Car BT Diagnosis System D8 is a powerful automotive diagnostic tool designed for both professional mechanics and car enthusiasts. It features a user-friendly interface and advanced capabilities, including ECU coding, key programming, and comprehensive system diagnostics. With wireless Bluetooth connectivity, users can easily connect to their vehicle's OBD2 port for efficient troubleshooting. Priced at approximately $399, the Xtool D8 offers a versatile solution for effective vehicle maintenance and repair.

Key Components 

• Tablet
• VCI Box
• Power Adapter

Connection Instructions

Before initiating the diagnostic program, ensure that the VCI box is successfully connected to your vehicle, and establish a Bluetooth connection between the VCI box and the tablet.

Note: Some older vehicles that do not adhere to the OBD-II standard protocol require connection via OBD-I connectors. Using an incorrect connector may result in your vehicle being unrecognized by the diagnostic tool. Please verify the OBD connector specifications configured on your vehicle before proceeding with the connection.

Tablet Overview

The primary unit of the D8 BT is the tablet, which features a built-in VCI module. This allows for direct connection between the tablet and the vehicle using the main test cable, eliminating the need to connect to an external VCI box via Bluetooth.

FRONT VIEW OF TABLET

Figure 1-1: Sample of Tablet Front View

BACK VIEW OF TABLET

Figure 1-2: Sample of Tablet Back View

• Camera: 8-megapixel camera for taking pictures.
• Tablet Holder: Used to support the tablet with flexible height adjustments as needed.
• Nameplate: Displays basic information about the tablet, such as product name and model.
• Loudspeaker: Supports playing external sounds.

The front of the tablet features a touch-sensitive display screen, allowing you to operate the screen with your fingers to complete the car diagnosis.

Host Ports

Figure 1-3: Sample of Tablet Host Ports

• USB 3.0 Port: Data transfer interface for tablet communication and diagnostics.
• VGA Port: A reserved interface that can be used for charging.
• DC Charging Port: Charging port that connects to the charger.
• Power Button: Long press to turn on/off; short press to reset/brighten the screen.

VCI Box 

Figure 1-4: Sample of VCI Box

• LCD: Displays the battery voltage of the vehicle.
• OBD 16-Pin Connector: Connects to the OBD-II port on the vehicle.
• Light Button: Provides a lighting function.
• Bluetooth Indicator: Turns blue when Bluetooth is successfully connected.
• Power Indicator: Turns red when power is on.
• Vehicle Indicator: The green light flashes when the VCI box communicates successfully with the vehicle.

SPECIFICATIONS

Table 1-1 Specification

PACKING LIST

Table 1-2 Packing List

Description

The xtool Car BT Diagnosis System D8 is engineered to provide a comprehensive diagnostic experience. It comes with a user-friendly interface, making it accessible to both beginners and experienced technicians. The device is compact and lightweight, allowing for easy transport to different job sites. The Bluetooth connectivity enables seamless communication with mobile devices, facilitating real-time data analysis and reporting.

The system includes various diagnostic functions such as reading and clearing fault codes, performing bi-directional tests, and monitoring live data. It also supports advanced features like battery voltage testing and charging system analysis, ensuring a thorough assessment of vehicle health.

GETTING STARTED

Activation Process

After first-time users press and hold the power button to turn on the D8 BT Smart Diagnostic System, the system will automatically initiate a guided setup process, prompting you to select a language for the operating system.

Figure 2-1: Sample of Language Selection

Once the system language is set, you will be directed to the activation page, as illustrated below. You can also click the "Trial" button in the upper right corner to explore the system before activation.

Figure 2-2: Sample of Activation (Screen 1)

Click "Start Activate" to proceed to the activation page, as shown below:

Figure 2-3: Sample of Activation (Screen 2)

A pop-up window confirming "Activation Success" will indicate that you have completed the initial setup. Click "OK" to enter the diagnostic system and start using the device.

Figure 2-4: Sample of Activation (Screen 3)

Main Interface

Operating System

The main page of the device's operating system is depicted below. You can return to this interface at any time by clicking 【】 on the bottom navigation bar.

Figure 2-5: Sample of OS Main Page

The icons on the right, from top to bottom, are browser, photo album, application square, file manager, system settings, as shown below:

1. Browser: Click on the browser icon to enter the browser to view the official website of Xtool or search for other information.
2. Gallery: Click the Gallery icon to enter the album to quickly view the pictures or screenshots stored in the device. You can select the picture you need, click the share button on the upper right, and send the picture to your mobile phone or PC via Bluetooth or USB connection
3. Application Square: You can check all Apps installed here.

4. ES File Explorer: You can manage APP, music, files, pictures, etc. in the device in this function, and you can also use Local/Home/Cleaner to clean up files.
   Figure 2-6 Sample of ES File Explorer 

   

5. D8 BT Smart Diagnosis System: The App allows you to diagnose your vehicle and offers a range of specialist maintenance services.

Diagnosis System Entrance

Once activated, you will automatically enter the diagnostic system, where the following main screen will appear. Tap on the diagnosis application button in the menu to access the main interface:

Figure 2-7: Sample of App Main Page

The main interface consists of Function Buttons and Navigation Buttons. The touch screen navigation is menu-driven, allowing quick access to functions by selecting the option title and responding to any dialog windows. A detailed description of the menu structure can be found in the next section, Function Buttons.

Function Buttons

The following table briefly describes each function button.

Navigation Buttons

The navigation bar buttons at the bottom of the screen operate as described in the table below:

Notification Bar

Slide down to open the notification bar. Users can adjust the screen brightness as needed and connect to Wi-Fi, among other options.

Figure 2-8: Sample of Notification Bar

REPORT

The Diagnostic Report feature allows users to view and print saved files, such as Live Data, Trouble Codes, and images generated during the diagnostic process. Users can also access a record of previously tested vehicles. The report includes three parts:

• Report
• Replay
• File Management

Figure 6-1: Sample of Report

Xtool Car BT Diagnosis System D8

This feature provides a history of diagnostic reports, enabling users to view and delete vehicle diagnostic reports as needed.

Figure 6-2: Sample of Report List

When you open a report, the header of the table displays the studio information you entered during system setup, followed by the vehicle information, including the diagnosis date and time, VIN, vehicle brand, and diagnosis path, as shown below:

Figure 6-3: Sample of Report

Print PDF Report

At the bottom right corner of the report, you can click "Print PDF Report" to output the PDF version. To close the report, tap the “Exit” button.

Follow these steps to print your report:

1. Install a Printer App: Install an app compatible with your target printer. Add the printer and input the printer's IP address in the app, or contact your dealer for assistance.
2. Enable Printing: Return to the Android main menu, go to Settings → Printing → Turn the printer on.

3. Access the Report: Navigate to Report → Choose the desired report → Click Print PDF Report → Select Print.
   Figure 6-4: Sample of How to Print Report (Screen 1)

   

4. Select the Printer: Click the top-left corner of the screen and select the printer you added earlier. Then click the button on the right to print.
   Figure 6-5: Sample of Report (Screen 2)

   

Replay

This function allows you to replay the live data recorded during the diagnostic process.

Figure 6-6: Sample of Data Playback (Screen 1)

Before replaying the live data, ensure that you clicked the "Save to Reference" button during the diagnosis.

Figure 6-7: Sample of Data Playback (Screen 2)

File Manager
This function enables users to check and delete files on the device. It is recommended to use this function under professional guidance, as ordinary users should not operate it independently.

Figure 6-8: Sample of File Manager

Setup Guide

To set up the xtool Car BT Diagnosis System D8, follow these steps:

1. Download and install the xtool app on your smartphone or tablet from the app store.
2. Power on the D8 device and ensure Bluetooth is enabled on your mobile device.
3. Open the app and search for nearby Bluetooth devices. Select the D8 device to pair it with your mobile device.
4. Once paired, connect the OBD-II cable to the vehicle's OBD-II port.
5. Launch the app and select the vehicle brand and model to begin the diagnostic process.

REMOTE ASSISTANCE

To initiate remote support, tap on "Remote" to launch the TeamViewer Quick Support program. This application offers a simple, fast, and secure method for remote control of your tablet. By using TeamViewer, Xtool’s technical support center can temporarily access your tablet from a PC, providing you with assistance.

Tablets and mobile devices using TeamViewer are identified by a globally unique ID. When you first start the remote application, the ID will be automatically generated based on the device's hardware characteristics and will remain unchanged for future sessions. This unique TeamViewer ID allows access to all TeamViewer clients.

Important Notes:

• Ensure that your tablet is connected to the Internet before launching the remote desktop application. This connection is necessary to receive remote support.
• If you encounter any issues that you cannot resolve, open this application to request remote assistance.

Steps to Obtain Remote Support:

1. Power On the Tablet: Turn on your tablet.
2. Open TeamViewer: Click on "Remote" in the diagnosis application. The TeamViewer screen will be displayed, and your device ID will be generated.
3. Partner Preparation: Your partner must download and install the full version of the TeamViewer program from www.teamviewer.com on their tablet. They should start the software on their device at the same time to provide support and remote control.
4. Provide Your ID: Share your TeamViewer ID with your partner or Xtool technician and wait for them to send a remote-control request.
5. Confirm Remote Access: A pop-up window will appear asking you to confirm the remote-control request.
   • Click Allow to grant access.
   • Click Reject to deny access.

Figure 9-1: Sample of Activating TeamViewer (Screen 1)

Troubleshooting

Common problems and solutions for the xtool Car BT Diagnosis System D8 include:

• Device Not Connecting: Ensure Bluetooth is enabled on both the D8 device and your mobile device. Restart both devices if necessary.
• No Vehicle Data: Verify that the OBD-II cable is securely connected to the vehicle's port and that the correct vehicle brand and model are selected in the app.
• Software Issues: Update the xtool app to the latest version to resolve any software-related issues.
• Warning Instructions: Always follow proper safety precautions when using diagnostic tools, and refer to the user manual for detailed instructions and warnings.

WARRANTY & SERVICES

Shenzhen Xtooltech Intelligent Co., LTD.(the Company) warrants to the original retail purchaser of this XTOOL device that should this product or any part thereof during normal usage and under normal conditions be proven defective in material or workmanship that results in product failure within one year from the date of purchase, such defect(s) will be repaired, or replaced (with new or rebuilt parts) with Proof of Purchase, at the Company’s option, without charge for parts or labor directly related to the defect(s).
The Company shall not be liable for any incidental or consequential damages arising from the use, misuse, or mounting of the device.

Xtool Car BT Diagnosis System D8 Pros & Cons

Pros

• Comprehensive diagnostic capabilities for multiple vehicle brands
• Wireless operation via Bluetooth 5.0
• User-friendly interface and app design
• Durable and water-resistant construction
• Regular software updates for enhanced features

Cons

• Higher cost compared to basic diagnostic tools
• May require technical knowledge for advanced functions
• Battery life may vary depending on usage

Customer Reviews

Customer reviews highlight the Xtool Car BT Diagnosis System D8's ease of use, comprehensive diagnostic capabilities, and robust build quality. However, some users note that the initial setup can be slightly complex and that the device may require periodic updates to maintain optimal performance.

Common complaints include occasional connectivity issues and the need for a more detailed user manual for beginners.