Vgate vLinker MC+ ELM327 Bluetooth/WiFi Car Diagnostic Scanner User Manual

1. Introduction

The Vgate vLinker MC+ is a professional-grade OBD2 car diagnostic scanner designed to provide comprehensive vehicle data and diagnostic capabilities. It supports a wide range of protocols and is compatible with various diagnostic applications on both iOS and Android devices via Bluetooth (3.0/4.0) and WiFi connectivity. This manual provides instructions for setting up, operating, and maintaining your vLinker MC+ device.

Note on Product Appearance: The Vgate vLinker MC+ may have slight variations in appearance. Both new and older versions are functionally identical, and devices are shipped randomly. Refer to the packaging image for a general idea of the product and its quick start guide.

2. Key Features

• 100% Original Adapter: Compatible with over 95% of world car models.
• High-Speed Data Transfer: Data buffer up to 2K bytes, UART baud rate increased to 230.4Kbps.
• Broad Software Compatibility: Supports almost all ELM327/ELM329/OBDLINK adapter software (e.g., BimmerCode, Torque, Forscan, JScan, Auto Doctor, OBD Fusion).
• Smart Power Management: Automatic sleep and start to reduce power consumption; device sleep power consumption is less than 2 mA.
• Extensive Protocol Support: Includes OBD2 Standard Protocols and additional protocols.
• Advanced Command Set: Supports user-defined commands, requests bytes up to 48 bytes, and features a rich instruction set compatible with ELM's AT and STN's ST commands, including expanded 7 AT commands for HS-CAN, MS-CAN, SW-CAN, and 39 VT macro instructions.
• Firmware Updatable: Supports firmware updates for future enhancements.
• User-Defined APP Support: Allows for custom application development.
• Hacker-Proof Security: Incorporates a security mechanism to protect data.
• Durable Storage: 256-byte storage unit with over 100,000 erasable times.

3. Specifications

3.1. Supported Protocols

The vLinker MC+ supports a comprehensive range of vehicle communication protocols, covering approximately 99% of OBDII compliant cars on the market:

• OBDII 5 Standard Protocols:
  • SAE J1850 PWM
  • SAE J1850 VPW
  • ISO 9141-2
  • ISO 14230-4 (KWP2000 slow/fast)
  • ISO 15765-4 (CAN)
• Additional Protocols:
  • SAE J1939 (CAN)
  • ISO 11898 (raw CAN)
  • Single Wire CAN (for GMLAN)
  • Medium Speed CAN (MS-CAN)

3.2. General Specifications

• Connectivity: Bluetooth 3.0, Bluetooth 4.0 (BLE), WiFi
• UART Baudrate: Up to 230.4 Kbps
• UART Receive Buffer: Large
• User-defined Protocol: Up to 64+2 bytes
• Auto Sleep Mode: Yes
• Wake-up Methods: Button, OBD bus activity, Battery Voltage, Remotely
• Compatibility: Android, Apple (iOS) devices
• Maximum Bytes Sent: 48
• Certification: CE
• Origin: Mainland China
• Package Dimensions: 12 cm (Length) x 7 cm (Width) x 4 cm (Height)
• Package Weight: 0.1 kg

3.3. OBD-II to RS232 Interpreter Comparison

The following table provides a comparison of the vLinker MC+ capabilities against other common OBD-II interpreters:

4. Setup and Connection

Follow these steps to connect your Vgate vLinker MC+ to your vehicle and mobile device.

4.1. Bluetooth Connection (BT 3.0/4.0)

1. Turn on Ignition: Ensure your vehicle's ignition is turned on.
2. Plug in Adapter: Insert the vLinker MC+ adapter firmly into your vehicle's OBD-II port.
3. Enable Bluetooth: On your mobile device (iOS or Android), turn on Bluetooth. For some apps, you only need to enable Bluetooth, not necessarily pair it directly from your phone's settings.
4. Open Diagnostic App: Launch your preferred diagnostic application (e.g., OBD Auto Doctor).
5. Configure App Connectivity: Navigate to the app's settings or connectivity section. For OBD Auto Doctor, go to "Extras" > "Connectivity" > choose "Bluetooth" > select "vLinker MC+".
6. Reconnect (if needed): If the connection is not established immediately, try exiting and re-entering the software.

4.2. WiFi Connection

1. Turn on Ignition: Ensure your vehicle's ignition is turned on.
2. Plug in Adapter: Insert the vLinker MC+ adapter firmly into your vehicle's OBD-II port.
3. Enable WiFi: On your mobile device, turn on WiFi and connect to the network named "vLinker".
4. Open Diagnostic App: Launch your preferred diagnostic application.
5. Configure App Connectivity: Navigate to the app's settings or connectivity section. For OBD Auto Doctor, go to "Extras" > "Connectivity" > choose "WiFi".
6. Reconnect (if needed): If the connection is not established immediately, try exiting and re-entering the software.

5. Operating Instructions

Once connected, the Vgate vLinker MC+ works in conjunction with your chosen diagnostic application to access vehicle data.

5.1. Basic Operations

• Automatic Protocol Identification: The device automatically identifies the vehicle's communication protocol upon connection.
• Automatic Standby/Start: The vLinker MC+ will automatically enter standby mode when the vehicle is off and wake up when the vehicle is started, requiring no manual button presses.
• Reading Diagnostic Trouble Codes (DTCs): Use your diagnostic app to scan for and read error codes (DTCs) stored in the vehicle's ECU.
• Clearing Fault Codes: After addressing a vehicle issue, use the app to clear fault codes and turn off the Malfunction Indicator Lamp (MIL).
• Viewing Real-Time Data: Access live sensor data such as engine speed (RPM), load value, coolant temperature, fuel system status, vehicle speed, fuel conditions (short/long term), air inlet pipe pressure, time before oil injection, air inlet temperature, air velocity, absolute throttle position, oxygen detection voltage, fuel pressure, and fuel consumption.

5.2. Using Diagnostic Applications

The functionality of your vLinker MC+ largely depends on the diagnostic application you choose. Popular applications include BimmerCode, Torque, Forscan, JScan, Auto Doctor, and OBD Fusion. Each app may offer different features, user interfaces, and vehicle-specific capabilities. Refer to the documentation or support resources for your chosen application for detailed usage instructions.

6. Maintenance

• Cleaning: Keep the device clean and dry. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
• Storage: Store the vLinker MC+ in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
• Handling: Handle the device with care. Avoid dropping it or subjecting it to strong impacts.
• Connection: Ensure the device is properly inserted and removed from the OBD-II port to prevent damage to the connector pins.
• Firmware Updates: Periodically check for firmware updates for your vLinker MC+ to ensure optimal performance and compatibility. Follow the instructions provided by Vgate for any update procedures.

7. Troubleshooting

7.1. Common Issues and Solutions

• Device Not Powering On:
  • Ensure the vLinker MC+ is fully inserted into the vehicle's OBD-II port.
  • Verify that the vehicle's ignition is turned on.
  • Check the vehicle's fuse for the OBD-II port if no power is detected.
• Cannot Connect via Bluetooth/WiFi:
  • Confirm that Bluetooth or WiFi is enabled on your mobile device.
  • For WiFi, ensure you are connected to the "vLinker" network.
  • For Bluetooth, ensure your app's settings are configured to use Bluetooth and the correct "vLinker MC+" device is selected.
  • Try restarting your diagnostic application and your mobile device.
  • Unplug the vLinker MC+ from the OBD-II port, wait a few seconds, and plug it back in.
• Diagnostic App Not Displaying Data or Functioning Correctly:
  • Verify that your diagnostic app is compatible with the vLinker MC+ and your specific vehicle make/model.
  • Check the app's settings for any vehicle-specific configurations or protocol selections.
  • Ensure your diagnostic app is updated to the latest version.
  • Some advanced functions within apps may require in-app purchases or subscriptions.
• Inconsistent Readings:
  • Ensure a stable connection between the vLinker MC+ and your mobile device.
  • Minimize interference from other wireless devices.
  • Verify the vehicle's battery voltage is stable.

8. User Tips

• App Selection: The vLinker MC+ is highly versatile. Experiment with different compatible diagnostic applications (e.g., BimmerCode, Torque, Forscan, JScan, Auto Doctor, OBD Fusion) to find the one that best suits your needs and vehicle.
• Vehicle Compatibility: While the device is broadly compatible, always check the specific vehicle compatibility lists provided by your chosen diagnostic application, especially for advanced features or specific car models like GAC Aion UT.
• Software Updates: Regularly update your diagnostic applications and the vLinker MC+ firmware (if available) to ensure the best performance, latest features, and widest vehicle compatibility.
• Reliable Performance: Users have reported that the device 'works well' and is 'perfect' for its intended use, indicating reliable performance when properly set up.

9. Frequently Asked Questions (FAQ)

Q: Is the vLinker MC+ compatible with my car?

A: The vLinker MC+ is designed to be compatible with over 95% of world car models and supports all OBD2 standard protocols, plus additional protocols like SAE J1939 CAN, ISO 11898, GMLAN, and MS-CAN. For specific vehicle compatibility, it is recommended to refer to your chosen diagnostic application's documentation.

Q: Do I need to pay for the diagnostic software?

A: The vLinker MC+ is an adapter. While it supports many diagnostic apps, some advanced functions within certain applications may require in-app purchases or subscriptions. These payments are typically made to the software developer, not to Vgate.

Q: Does it support both iOS and Android devices?

A: Yes, the vLinker MC+ offers connectivity options for both Android and Apple (iOS) devices through Bluetooth (3.0/4.0) and WiFi, allowing you to use it with a wide range of smartphones and tablets.

10. Warranty and Support

For detailed warranty information, please refer to the official Vgate website or contact your retailer. For technical support or further assistance, consult the support resources provided by Vgate or your diagnostic application developer.

An additional user manual in PDF format is available for download: User Manual (PDF).