FOXWELL NT710 OBD2 Scanner User Manual

1. Product Overview

The FOXWELL NT710 is an advanced, all-in-one diagnostic scan tool designed specifically for Mercedes-Benz, Sprinter, Smart, and Maybach vehicles. Running on Android 9.0 OS with a 5.5-inch touchscreen, it offers comprehensive vehicle diagnostics, including full system scanning, bidirectional control, and a wide range of reset and maintenance services. This tool is ideal for both professional technicians and vehicle enthusiasts seeking dealership-level diagnostic capabilities.

Figure 1.1: FOXWELL NT710 OBD2 Scanner Unit

2. What's in the Box

Upon unboxing your FOXWELL NT710, please verify that all the following components are included:

• NT710 Unit (fit for Mercedes-Benz) x1
• User's Manual x1
• Quick Start Guide x1
• USB Charging Cable x1
• OBDII Diagnostic Cable x1

Figure 2.1: NT710 Unit and Included Accessories

3. Setup and Initial Use

3.1 Charging the Device

Before first use, ensure the NT710 unit is fully charged using the provided USB charging cable. Connect the USB cable to the device and a compatible USB power adapter (not included) or a computer USB port.

3.2 Powering On/Off

To power on, press and hold the power button located on the side of the device until the screen illuminates. To power off, press and hold the power button and select 'Power Off' from the options.

3.3 Connecting to Vehicle

Locate your vehicle's OBDII port, typically under the dashboard on the driver's side. Connect the provided OBDII diagnostic cable to the NT710 unit and then to the vehicle's OBDII port. Ensure a secure connection.

Figure 3.1: Connecting the NT710 to a Vehicle

4. Operating the NT710

4.1 Full System Diagnosis

The NT710 supports comprehensive scanning of all available modules in compatible Mercedes-Benz, Sprinter, Smart, and Maybach vehicles. This includes, but is not limited to, Engine, ABS, Airbag, Transmission, TPMS, SAS, ESP, EPB, EPS, BMS, A/C, Air Suspension, Headlamp, Power Steering, Fuel Pump System, and Navigation System. It can read and clear diagnostic trouble codes (DTCs) and reset Malfunction Indicator Lamps (MILs).

Figure 4.1: OE-Level All System Diagnosis Capability

4.2 Bidirectional Control (Active Test)

This function allows the NT710 to send commands to the vehicle's Electronic Control Unit (ECU) to test specific components and systems. This helps in quickly identifying malfunctions. Examples include testing windows, mirrors, doors, wipers, sunroofs, lights, headlamps, fuel pump relays, and cooling fans.

Figure 4.2: Bidirectional Control Interface

4.3 Maintenance Services

The NT710 supports a wide array of essential maintenance and reset services, covering most dealership-level daily maintenance tasks. Compatibility may vary depending on the specific vehicle model and year.

• Oil Light Reset
• EPB (Electronic Parking Brake) Reset
• Airbag Reset
• DPF (Diesel Particulate Filter) Regeneration
• Battery Registration
• Air Suspension Calibration
• ABS Bleeding
• Injector Coding
• SAS (Steering Angle Sensor) Calibration
• Throttle Adjustment
• Gear Learning
• Brake Deactivation

Figure 4.3: Overview of Maintenance Services

4.4 Full OBDII Functions

For all OBD2 protocol-compliant vehicles manufactured after 1996, the NT710 provides standard OBDII functions for engine diagnostics. This is crucial for monitoring emissions and ensuring compliance with environmental and safety standards.

• Read/Clear Codes
• Read Freeze Frame Data
• View Live Data
• I/M Readiness
• On-Board Monitor Test
• EVAP System Test
• View Vehicle Information (VIN, CID, CVN)

Figure 4.4: Emission Test Readiness Screen

4.5 Data Analysis and Reporting

The NT710 provides real-time vehicle status in both text and graphical formats, allowing for intuitive monitoring of engine performance, transmission, emissions, and sensor data. The graph view helps in identifying performance trends and glitches. A comprehensive health check summary report can be generated, providing detailed insights into your car's condition.

Figure 4.5: 4-in-1 Live Data Graph Display

Figure 4.6: One-Click Share & Print Data Functionality

5. Maintenance

5.1 Software Updates

The NT710 supports lifetime free software updates via Wi-Fi. Regularly updating the software ensures full compatibility with the latest vehicle models and access to new features and bug fixes. To update, navigate to the 'Update' section on the device's main menu and follow the on-screen instructions.

Figure 5.1: Remote Technical Support Option

5.2 Device Care

• Keep the device clean and free from dust and moisture.
• Avoid exposing the device to extreme temperatures.
• Store the device in its protective case when not in use.
• Do not use abrasive cleaners or solvents on the screen or casing.

6. Troubleshooting

This section addresses common issues you might encounter with your NT710 unit.

6.1 Device Not Powering On

• Ensure the battery is sufficiently charged. Connect the USB charging cable and allow it to charge for at least 30 minutes before attempting to power on again.
• Verify the power button is pressed and held correctly.

6.2 Communication Error with Vehicle

• Check that the OBDII diagnostic cable is securely connected to both the NT710 and the vehicle's OBDII port.
• Ensure the vehicle's ignition is in the ON position (engine off or running, as required by the specific test).
• Verify that your vehicle model and year are supported by the NT710. Refer to the official FOXWELL website for detailed compatibility lists.
• Update the NT710 software to the latest version, as compatibility improvements are often included in updates.

6.3 Screen Unresponsive or Freezing

• Perform a soft reset by pressing and holding the power button until the device restarts.
• If the issue persists, ensure the device's internal storage is not full. Clear unnecessary data or logs.

6.4 Warning Lights Remain After Clearing Codes

• Ensure the underlying issue causing the fault code has been properly addressed and repaired in the vehicle. Clearing codes only turns off the warning light; it does not fix the problem.
• Some complex systems may require a drive cycle or specific procedures to confirm the repair and turn off the light permanently.

Figure 6.1: Handling Warning Lights with the NT710

7. Specifications

Figure 7.1: NT710 Product Label with Specifications

8. Warranty and Support

8.1 Warranty Information

Please refer to the warranty card included with your product or visit the official FOXWELL website for the most up-to-date warranty information. Keep your purchase receipt as proof of purchase for warranty claims.

8.2 Technical Support

For technical assistance, software updates, or any inquiries regarding your FOXWELL NT710, please contact FOXWELL customer support. You can often find contact information in the Quick Start Guide or on the official FOXWELL website. Remote technical support may also be available.