1. Introduction
The JFIND V318 OBD2 Car Diagnostic Scan Tool is a versatile and user-friendly device designed to help automotive enthusiasts and professionals quickly diagnose issues with their vehicles. It reads and clears diagnostic trouble codes (DTCs), displays live sensor data, and performs various system tests to ensure your vehicle is running optimally. This manual provides detailed instructions for setting up, operating, and maintaining your V318 scan tool.
2. Package Contents
Please check the package contents upon receipt to ensure all items are present:
- 1 x JFIND V318 OBD2 Car Diagnostic Scan Tool
- 1 x User Manual
3. Setup Guide
Follow these steps to set up your V318 scan tool:
- Locate the OBD2 Port: The OBD2 port is typically located under the dashboard on the driver's side of the vehicle. Refer to your vehicle's owner's manual if you cannot find it.
- Connect the Scan Tool: Plug the V318's diagnostic cable into your vehicle's OBD2 port. The device will power on automatically, drawing power from the vehicle.
- Start the Vehicle: Turn the vehicle's ignition to the 'ON' position (engine off) or start the engine, depending on the diagnostic test required.
- Select Language: The V318 supports 10 different languages. Navigate through the menu using the device's buttons to select your preferred language (English, German, French, Spanish, Italian, Russian, Dutch, Chinese, Japanese, Korean).
4. Operating Instructions
The V318 offers a comprehensive suite of diagnostic functions. Use the navigation buttons (ESC, I/M, OK, Up/Down arrows) to move through the menus and select desired options.
Key Functions:
- Read Fault Codes: Displays current, pending, and permanent Diagnostic Trouble Codes (DTCs) related to the engine or emissions system.
- Erase Fault Codes: Clears DTCs from the vehicle's computer and turns off the Check Engine Light (MIL).
- I/M Readiness: Checks the status of emission-related monitoring systems to determine if they are ready for an emissions test. The patented One-Click I/M Readiness Key provides quick access to this function.
- View Freeze Frame Data: Captures a snapshot of sensor data at the moment a fault code was set, helping to identify the conditions under which the fault occurred.
- Live Data Stream: Displays real-time sensor data in both text and graph modes, allowing for dynamic monitoring of vehicle performance.
- O2 Sensor Test: Retrieves O2 sensor monitoring test results for the most recently completed tests.
- EVAP System Test: Initiates a leak test for the vehicle's Evaporative Emission System.
- Battery Voltage Monitoring: Provides real-time monitoring of the vehicle's battery voltage and checks its health status.
- Vehicle Information: Retrieves the Vehicle Identification Number (VIN), Calibration ID (CIN), and Calibration Verification Number (CVN).
- DTC Look-up Library: Built-in library to quickly find definitions of fault codes.
- Software Update: The device is internet up-gradable via USB port and compatible with Windows XP to Windows 10. Lifetime free updates are provided.
- Data Printing: Allows printing of stored trouble codes, freeze frame data, and live data readings via a PC connection.
5. Maintenance
To ensure the longevity and optimal performance of your V318 scan tool, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the device. Avoid using abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Software Updates: Regularly check for and install software updates to ensure compatibility with the latest vehicle models and diagnostic protocols. Updates are free for life via USB connection to a Windows PC (XP-10).
- Cable Care: Avoid bending or twisting the diagnostic cable excessively. Store it neatly when not in use.
6. Troubleshooting
If you encounter issues with your V318 scan tool, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Loose connection; Vehicle's OBD2 port not supplying power; Vehicle ignition not on. | Ensure the cable is securely connected. Check vehicle's ignition status. Test on another vehicle if possible. |
| Link error / Communication failure | Vehicle not OBD2 compliant; Faulty cable; Incorrect protocol selected (rare, usually auto-detects). | Verify vehicle compatibility (1996+ US, 2003+ EU, 2007+ Asia). Check cable for damage. Ensure ignition is on. |
| No codes found but Check Engine Light is on | Pending codes not yet confirmed; Intermittent issue; Non-engine related fault. | Check for pending codes. Drive the vehicle to allow monitors to run. Consult a professional for advanced diagnostics. |
| Software update fails | Incorrect software version; USB connection issue; Firewall blocking update. | Ensure you download the correct update software. Check USB cable and port. Temporarily disable firewall/antivirus. |
7. Specifications
| Feature | Specification |
|---|---|
| Model | V318 |
| Brand | JFIND |
| Item Type | Code Readers & Scan Tools |
| Operating Voltage | DC9-18V |
| Operating Temperature | 0-50°C |
| Supported Languages | English, German, French, Spanish, Italian, Russian, Dutch, Chinese, Japanese, Korean |
| Software Update | Yes, Internet up-gradable via USB port (Windows XP-10 compatible) |
| Vehicle Compatibility | All 1996 and newer vehicles (OBDII & CAN) in USA, Most 2003 after EU (EOBD), 2007 after Asia car brand vehicles (diesel and gasoline 12V cars) |
| Certification | CE |
| Package Dimensions (L x W x H) | 17 cm x 9 cm x 6 cm |
| Package Weight | 0.202 kg |
8. User Tips
- Quick Checks: Utilize the One-Click I/M Readiness Key for a fast assessment of your vehicle's emissions system status before inspections.
- Battery Health: Regularly use the battery voltage monitoring function to keep an eye on your car's battery health, especially during diagnostics.
- Data Logging: For intermittent issues, use the data stream storage and playback feature to capture and review vehicle data when the problem occurs.
- Stay Updated: Take advantage of the lifetime free software updates to ensure your V318 remains compatible with new vehicle models and diagnostic standards.
- DTC Lookup: When a code appears, use the built-in DTC lookup library to understand its meaning quickly.
9. Warranty and Support
The JFIND V318 OBD2 Car Diagnostic Scan Tool comes with lifetime free software updates, ensuring your device remains current with evolving automotive technologies. For any technical assistance, warranty claims, or support inquiries, please contact the seller or manufacturer directly through your purchase platform. Please have your product model and purchase details ready when contacting support.
