Introduction
The Jexiwe V350 Advanced OBD2 Scanner is a powerful, handheld diagnostic tool designed for comprehensive vehicle analysis. It enables users to read and clear engine fault codes, perform battery tests, analyze engine performance, and conduct emission readiness checks. Featuring a user-friendly interface, ergonomic design, and sturdy construction, the V350 is an essential tool for both professional technicians and DIY enthusiasts. This device operates without an internal battery, drawing power directly from the vehicle's OBD-II port.
Setup Guide
Follow these steps to quickly set up and begin using your V350 OBD2 Scanner:
- Locate the DLC: Find the 16-pin Diagnostic Link Connector (DLC) in your vehicle. This is typically located under the dashboard on the driver's side.
- Connect the Scanner: Plug the V350 diagnostic tool's cable firmly into the vehicle's DLC port.
- Turn on Ignition: Turn your car's ignition to the "ON" position (do not start the engine).
- Vehicle Identification: The scanner will automatically power on and begin scanning to identify the vehicle model.
- Read Fault Codes: Once identified, navigate the menu to select "Read Codes" to retrieve any stored Diagnostic Trouble Codes (DTCs).
- Interpret Codes: Use the scanner's built-in DTC definitions or external resources to understand the meaning of the retrieved codes.
- Address Issues: Perform necessary repairs or maintenance based on the diagnostic information.
- Clear Fault Codes: After repairs are completed, use the "Erase Codes" function to clear the fault codes and turn off the Check Engine Light.
Important Note: Fault codes should ONLY be erased after the underlying fault has been repaired to prevent recurrence and ensure proper vehicle operation.
Operating Instructions
The V350 scanner offers a range of diagnostic functions accessible via its intuitive menu system and physical buttons.
Navigation and Controls
The device features a directional pad (Up, Down, Left, Right, OK) for menu navigation and selection, along with dedicated buttons:
- DTC Button: Shortcut to Diagnostic Trouble Code functions.
- I/M Button: Shortcut to I/M Readiness status.
- EXIT Button: Returns to the previous menu or exits a function.
- OK Button: Confirms selections or enters sub-menus.
Key Diagnostic Functions
- Read Codes:
This function allows you to retrieve Diagnostic Trouble Codes (DTCs) from the vehicle's onboard computer. Codes can be Current (active), Pending (intermittent), or Permanent. Select "Read Codes" from the Diagnostic Menu to view them.
- Erase Codes:
After performing repairs, select "Erase Codes" to clear the DTCs and turn off the Malfunction Indicator Lamp (MIL), also known as the Check Engine Light. Ensure repairs are complete before erasing codes.
- Live Data Stream:
View real-time operational parameters of the vehicle's engine and sensors. This data can help identify intermittent problems or verify repairs. The display shows values such as DTC count, fuel system status, engine coolant temperature, RPM, and more.
Figure 4: Live Data Stream Interface and Main Menu - I/M Readiness Test:
This function checks the status of the vehicle's emission-related monitoring systems to determine if they are ready for an emissions test. It's crucial for preparing for annual smog tests.
Figure 5: I/M Readiness Test Screen - View Freeze Frame:
When an emission-related fault occurs, the vehicle's computer stores certain sensor values at that moment. This "freeze frame" data provides a snapshot of engine conditions (e.g., engine speed, fuel system status, engine coolant temp) at the time of the fault, aiding in diagnosis.
- On-Board Monitor Test:
Accesses the results of on-board diagnostic monitoring tests for specific components/systems that are not continuously monitored.
- O2 Sensor Test:
Retrieves and displays O2 sensor monitor test results from the vehicle's onboard computer, allowing for analysis of oxygen sensor performance.
- Vehicle Information:
Displays important vehicle information such as Vehicle Identification Number (VIN), Calibration ID (CID), and Calibration Verification Number (CVN).
- DTC Lookup:
The V350 has a built-in library of DTC definitions, eliminating the need to search online. Simply select "DTC Lookup" and enter the code to view its meaning and potential causes. The device supports a wide range of codes, including Powertrain, Network & Vehicle Integration, Body, and Chassis related faults.
Figure 6: Built-in DTC Definitions Example (P0115)
Maintenance
To ensure the longevity and optimal performance of your Jexiwe V350 scanner, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the device. Avoid using abrasive cleaners or solvents that could damage the casing or screen.
- Storage: Store the scanner in a cool, dry place, away from direct sunlight, extreme temperatures, and excessive moisture.
- Cable Care: Handle the OBD-II cable with care. Avoid sharp bends, kinks, or pulling on the cable forcefully, as this can damage the internal wiring.
- No Battery: Since the V350 does not contain an internal battery, no battery maintenance is required.
Troubleshooting
If you encounter issues while using your V350 scanner, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Scanner does not power on. |
|
|
| Cannot link to vehicle / Communication error. |
|
|
| Fault codes reappear after clearing. |
|
|
LED Indicators
- Green Check Mark LED: Indicates Clear DTC success.
- Yellow Exclamation LED: Indicates a Pending Fault.
- Red Power Symbol LED: Indicates a Current Fault.
Specifications
| Feature | Detail |
|---|---|
| Model | V350 |
| Brand | Jexiwe |
| Communication Interface | OBD-II |
| Item Type | Code Readers & Scan Tools |
| Power Source | Vehicle's OBD-II port (No internal battery required) |
| Dimensions (Height x Width) | Approximately 14.15 cm (5.57 inches) x 8.31 cm (3.27 inches) |
| Weight | 0.202 kg |
| Origin | Mainland China |
User Tips
No specific user tips were available from provided reviews or Q&A. However, general tips for OBD2 scanners include:
- Always ensure the vehicle's ignition is in the "ON" position before connecting or operating the scanner.
- For accurate diagnostics, ensure the vehicle's engine is off unless specifically instructed otherwise by a diagnostic procedure (e.g., for Live Data).
- Keep the scanner's screen and buttons clean for optimal visibility and operation.
- If you encounter a complex issue, consult a certified mechanic.
Warranty and Support
For detailed warranty information and customer support, please refer to the official product documentation or contact the seller directly.
A comprehensive user manual in PDF format is available for download:
