OBDII V519 Diagnostic Code Reader User Manual

1. Product Introduction

The V519 is a multi-functional vehicle fault diagnosis instrument designed to support nine OBD II/EOBD standard protocols. This device offers a plug-and-play experience, allowing users to quickly read vehicle fault information and parameters. It serves as a comprehensive tool for automotive diagnostics.

Please read this manual carefully before using the product to ensure proper operation and to understand its full capabilities.

2. Safety Notes

• Do not use abrasive cleaners to clean this product.
• Do not allow this product to be heated or placed close to fire sources.
• Do not expose the product to direct sunlight for extended periods.
• Do not attempt to disassemble or modify this product, as it contains no user-serviceable repair components.
• Do not use this product in rain or wet conditions.
• If the product will not be used for a long time, store it in a dry environment to avoid extreme temperatures and dust.

3. Product Appearance and Function Keys

1. Product connecting line (OBD interface connector)
2. 2.8-inch color display screen (Resolution: 240*320)
3. F1 button (Quick read current fault code)
4. I/M ready state button
5. Back/Exit button
6. Up button
7. Left button
8. Right button
9. Down button
10. OK button (Confirmation)
11. Software upgrade/printing interface (USB port)
12. Fault code read indicator
13. Connection failed indicator
14. Connection successful indicator

4. Specifications

4.1 Product Parameters

• Working voltage: DC 9-16V
• Operating current: 48~72mA
• Operating environment: -20℃ to 65℃
• Storage temperature: -30℃ to 70℃
• Overall dimensions: 155mm * 87mm * 24mm

4.2 Supported Protocols

• SAE J1850 PWM (41.6Kbaud)
• SAE J1850 VPW (10.4Kbaud)
• ISO 9141-2 (5 baud init, 10.4Kbaud)
• ISO 14230-4 KWP (5 baud init, 10.4 Kbaud)
• ISO 14230-4 KWP (fast init, 10.4 Kbaud)
• ISO 15765-4 CAN (11bit ID, 500 Kbaud)
• ISO 15765-4 CAN (29bit ID, 500 Kbaud)
• ISO 15765-4 CAN (11bit ID, 250 Kbaud)
• ISO 15765-4 CAN (29bit ID, 250 Kbaud)

4.3 Main Functions

• Support nine OBD II/EOBD standard protocols
• Read automobile engine fault codes
• Clear engine fault codes
• View vehicle fault freeze frame data
• Check I/M readiness state
• Access vehicle information
• View automobile data flow (live data)
• Battery voltage reading
• Mode 6 detection
• Oxygen sensor test
• Mode 8 detection
• Fault code query
• Playback function for recorded data
• Support ten languages: English, German, French, Spanish, Italian, Russian, Dutch, Chinese, Japanese, Portuguese

5. Setup

To begin using the V519 diagnostic tool, follow these steps:

1. Ensure your vehicle's ignition is off.
2. Locate the OBD interface in your car. The position of the OBD interface varies by model, but it is typically found on the inner panel at the lower left of the instrument panel, often above the accelerator pedal. Refer to Figure 3 for common locations.
3. Plug the V519's connector cable firmly into the vehicle's OBD interface.
4. Turn the vehicle's ignition to the ON position (do not start the engine yet, unless instructed by a specific diagnostic procedure).
5. The V519 device will power on automatically.
6. Start the vehicle's engine if required for the diagnostic test you wish to perform.

6. Operating Instructions

6.1 Test Main Menu Navigation

After connecting the V519 to the vehicle, the main page will display. Select the "Diagnosis" menu and press the OK key to enter the test function page. This menu offers 9 test functions. Use the Up, Down, Left, and Right direction keys to navigate and select options.

6.1.1 Code Reading

Select the "Code Reading" function from the main menu. The product will then diagnose the automobile engine system. If the vehicle has an engine fault, the engine fault code(s) and their definitions will be displayed. If multiple fault codes are present, use the direction buttons to scroll through pages. Press OK/EXIT to return to the previous menu.

6.1.2 Clear Code

Select "Clear Code" from the menu. A confirmation message will appear asking "Erase trouble codes! Are you sure?". After confirming, the fault code(s) will be cleared, and the vehicle's engine fault light (MIL) will turn off. If clearing fails, ensure the engine is powered off and try again.

6.1.3 Freeze Frame

Freeze frame refers to the snapshot data automatically recorded by the automobile computer when the emission system has a fault code. This function is useful for determining the cause of the fault by showing engine parameters at the moment the fault occurred.

6.1.4 I/M Readiness State

The I/M (Inspection/Maintenance) readiness function checks whether the car's monitors are OK or N/A (Not Applicable). This is crucial for emission testing. 'OK' means the monitoring test is completed, 'INC' indicates the vehicle has not completed monitoring, and 'N/A' means the vehicle does not support this monitoring.

6.1.5 Vehicle Information

After entering the "Vehicle Info" option, you can view the vehicle identification code (VIN) and other relevant vehicle information.

6.1.6 Data Stream (Live Data)

The "Data Stream" option allows the product to read and display current real-time data stream information from the automobile engine, such as sensor readings, engine RPM, and more.

6.1.7 Mode 6

Select "Mode 6" to enter the on-board monitoring test. This mode allows access to the results of on-board diagnostic monitoring tests for specific components/systems that are not continuously monitored.

6.1.8 Oxygen Sensor Test

When entering the "O2 Sensor Test" item, the V519 will read the oxygen sensor values of the tested vehicle to determine if the various test data are within normal operating parameters.

6.1.9 Mode 8

Mode 8 allows for the control of the on-board system, test, or component. For example, it can be used for the evaporative system leak test.

6.2 Query the Fault Code Library (DTC Lib)

Enter the "DTC Lib" option. Use the direction keys to adjust the fault code digits. Once the desired fault code is displayed, select "OK" to query its definition.

6.3 Playback

Enter the "Playback" option to view previously recorded fault code playback records and data stream playback records.

6.4 Voltage

Enter the "Voltage" option to read the current battery voltage data of the detected vehicle. This provides a quick check of the vehicle's battery health.

6.5 Settings

Enter the "Setup" option to adjust various product parameters such as language, unit of measure, screen contrast, beep sound, and color scheme.

7. Maintenance

To ensure the longevity and proper functioning of your V519 diagnostic tool, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the screen or casing.
• Storage: When not in use, store the device in a dry, cool place, away from direct sunlight, extreme temperatures, and excessive dust.
• Software Updates: The V519 supports free software updates for life. Regularly check for and install updates to ensure compatibility with the latest vehicle models and diagnostic protocols. Connect the device to a computer via its USB interface for updates.

8. Troubleshooting

• Device Not Powering On: Ensure the device is correctly plugged into the vehicle's OBD port and the vehicle's ignition is turned to the ON position. Check the connection successful indicator (14 in Figure 2).
• Fault Code Clearing Fails: If fault codes cannot be cleared, try performing the clearing procedure with the vehicle's engine powered off. Ensure the underlying issue causing the fault code has been resolved.
• Incompatibility: The V519 is not compatible with new energy vehicles, hybrid vehicles, or vehicle types that do not conform to the OBD2 agreement.
• Screen Issues: If the screen is unresponsive or displays incorrectly, ensure the device is not exposed to extreme temperatures. If issues persist, contact support.

9. User Tips

• For Basic Diagnostics: This tool is generally considered good value for money for personal use and basic diagnostics, such as reading and clearing check engine lights.
• Vehicle Compatibility: While designed for standard OBDII/EOBD protocols, some users have reported success with specific models like a 2013 Mercedes A-Class. If unsure about your vehicle, consult the full user manual or manufacturer's specifications.
• Battery Check: The device provides battery voltage readings, which can give an indication of battery health. However, it does not read CCA (Cold Cranking Amps).
• Size Awareness: The device is compact, which can be convenient for storage and handling.

10. Frequently Asked Questions (FAQ)

Q: Does this scanner read the battery's CCA?

A: No, the V519 scanner provides battery voltage readings but does not measure Cold Cranking Amps (CCA).

Q: Is the V519 compatible with Mercedes C180 W203 gasoline 2002 models?

A: Some buyers have confirmed compatibility with various Mercedes models, including a 2013 Mercedes A-Class. While not explicitly listed for all models, its support for standard OBDII/EOBD protocols suggests potential compatibility. For specific older models, individual testing may be required.

11. Warranty and Support

We are committed to providing unparalleled customer support. Please note the following conditions regarding the limited warranty:

Warranty Exclusions:

The customer shall not be eligible for warranty coverage if any of the following conditions are met:

• Abnormal use, abnormal conditions, improper storage, exposure to humidity, or unauthorized modification.
• Misuse, negligence, abuse, accident, change, improper installation, or other non-fault behaviors, including damage caused by transportation.
• Product damage caused by external reasons such as collision with objects, fire, flood, sand, dust, storm, lightning, earthquake, or other weather conditions, acts of God, or battery leakage, theft, fuse breaking, or incorrect use of any power supply.

For further details and comprehensive instructions, please refer to the official user manual PDF: View User Manual (PDF)