Will Autel AL519 clear codes? Yes, the Autel AL519 is a powerful and affordable tool designed to help users diagnose and resolve automotive issues quickly. At CARDIAGTECH.NET, we understand the importance of having reliable diagnostic equipment to keep your vehicle running smoothly. This guide delves into the capabilities of the Autel AL519, its features, and how it can assist in clearing trouble codes, ultimately saving you time and money. Learn about OBDII scanners and automotive diagnostics with CARDIAGTECH.NET.
1. Understanding the Autel AL519 and Its Capabilities
The Autel AutoLink AL519 OBDII/EOBD Scanner is a versatile tool that supports all 10 modes of OBDII testing, providing a comprehensive diagnostic solution for a wide range of vehicles. It’s designed to read and clear diagnostic trouble codes (DTCs), display live data, and perform various tests to help identify and resolve automotive issues efficiently. The AL519 features the unique patented One-Click I/M Readiness Key, a TFT color display, and a built-in speaker, making it both powerful and user-friendly. This tool is an excellent choice for both professional mechanics and DIY enthusiasts.
2. Key Features of the Autel AL519
The Autel AL519 is packed with features that make it a valuable tool for any automotive enthusiast or professional mechanic. Here’s a detailed look at some of its key capabilities:
2.1. Broad Vehicle Compatibility
The Autel AL519 works on most 1996 and newer vehicles, both domestic and imported, that are OBDII and CAN compliant. This wide compatibility ensures that you can use the scanner on a variety of vehicles, making it a versatile addition to your toolkit. According to the Environmental Protection Agency (EPA), all cars and light trucks manufactured after 1996 are required to be OBDII compliant.
2.2. Patented One-Click I/M Readiness Key
This unique feature allows for a quick State Emissions readiness check and drive cycle verification. With just one click, you can determine if your vehicle is ready for an emissions test, saving you time and potential headaches. The I/M Readiness Key checks the status of the vehicle’s emission control systems, ensuring they are functioning correctly.
2.3. AVOmeter for Electrical Testing
The easy-to-read AVOmeter enables you to test voltage, continuity, and current directly at your fingertips. This feature is invaluable for diagnosing electrical issues, ensuring accurate readings without the need for additional tools. This simplifies the process of diagnosing electrical problems.
2.4. Comprehensive Diagnostic Functions
The Autel AL519 is capable of diagnosing 12V charging systems, starting systems, and the condition of discharged batteries. This comprehensive diagnostic capability helps you identify and address potential issues before they lead to major problems. Regular checks can extend the life of your battery and charging system.
2.5. Visual and Audible Readiness Verification
Bright color-coded LEDs and a built-in speaker provide both visual and audible tones for readiness verification. This ensures that you can easily determine the status of your vehicle’s systems, even in noisy environments. The visual and audible cues make the diagnostic process more intuitive.
2.6. Check Engine Light (MIL) Diagnosis
The AL519 easily determines the cause of the Check Engine Light (MIL), retrieving generic (P0, P2, P3, and U0), manufacturer-specific (P1, P3, and U1) codes, and pending codes. This helps you quickly identify the source of the problem and take appropriate action. Identifying the cause of the Check Engine Light is the first step in resolving automotive issues.
2.7. Clearing Codes and Resetting Monitors
The scanner turns off the Check Engine Light (MIL), clears codes, and resets monitors, allowing you to address the issue and ensure that your vehicle is running smoothly. Clearing codes is a crucial step after performing repairs.
2.8. Live Data and Freeze Frame
The Autel AL519 reads live PCM datastream, live O2 sensor test data, and freeze frame data, providing valuable insights into your vehicle’s performance. This data helps you diagnose issues in real-time and understand the conditions under which they occurred. Live data can reveal subtle issues that might not trigger a code.
2.9. Graphing Capabilities
The AL519 graphs data for 1996 and newer vehicles, making it easier to visualize and analyze performance trends. Graphical representation of data can help identify intermittent problems.
2.10. Troubleshooter Code Tips
The troubleshooter codes tips guide technicians to the root cause of trouble codes faster, saving diagnosis and repair time. This feature is especially useful for those who are less experienced with automotive diagnostics. These tips can significantly reduce diagnostic time.
2.11. Data Review and Updates
Memory/battery backup allows for off-vehicle data review and analysis. The tool is also internet updatable, ensuring that you always have the latest software and features. Keeping your scanner updated is essential for optimal performance.
2.12. Multilingual Support
The Autel AL519 supports multiple languages, including English, Spanish, and French, making it accessible to a wider range of users. This ensures that language is not a barrier to effective diagnostics.
2.13. Vehicle Information Retrieval
The scanner retrieves vehicle information (VIN, CIN, and CVN), providing essential details for accurate diagnosis and repair. This information helps ensure that you are using the correct parts and procedures for your vehicle. Accurate vehicle information is crucial for proper diagnostics.
3. Step-by-Step Guide to Clearing Codes with the Autel AL519
Clearing codes with the Autel AL519 is a straightforward process. Follow these steps to effectively clear diagnostic trouble codes from your vehicle’s computer:
3.1. Connect the AL519 to Your Vehicle
Locate the OBDII port in your vehicle. It is typically found under the dashboard on the driver’s side. Plug the Autel AL519 into the OBDII port. Ensure the connection is secure.
Alt: Connecting Autel AL519 to OBDII port under the dashboard of a car.
3.2. Turn On the Ignition
Turn the ignition to the “ON” position without starting the engine. This provides power to the vehicle’s computer and allows the scanner to communicate with it.
3.3. Power On the Autel AL519
The Autel AL519 should power on automatically once connected to the OBDII port. If it doesn’t, check the connection and ensure the vehicle’s ignition is in the “ON” position.
3.4. Navigate to the “Erase Codes” Function
Use the navigation buttons on the Autel AL519 to find the “Erase Codes” or “Clear Codes” function in the main menu. This option is usually located under the “Diagnosis” or “OBDII/EOBD” menu.
3.5. Confirm the Erase Codes Command
The scanner will display a warning message asking you to confirm that you want to erase the codes. Read the message carefully and select “Yes” to proceed. Be aware that erasing codes will also reset the vehicle’s monitors, which may affect emissions testing.
3.6. Wait for the Process to Complete
The Autel AL519 will begin the process of clearing the codes. This may take a few seconds to a minute. Do not disconnect the scanner or turn off the ignition during this process.
3.7. Verify the Codes Have Been Cleared
Once the process is complete, the scanner will display a message confirming that the codes have been cleared. You can verify this by re-scanning the vehicle for codes. If no codes are present, the process was successful.
3.8. Check the Check Engine Light
After clearing the codes, the Check Engine Light (MIL) should turn off. If the light remains on, there may still be an underlying issue that needs to be addressed.
3.9. Perform a Test Drive
After clearing the codes and verifying that the Check Engine Light is off, perform a test drive to ensure that the issue has been resolved and that no new codes appear.
3.10. Monitor Readiness Status
Use the One-Click I/M Readiness Key to check the status of the vehicle’s emission control systems. Ensure that all monitors are ready before taking the vehicle for an emissions test.
4. Why the Check Engine Light Might Return After Clearing Codes
Even after successfully clearing codes with the Autel AL519, the Check Engine Light (MIL) may return. This can be frustrating, but it’s important to understand the potential reasons why this might happen:
4.1. The Underlying Issue Still Exists
The most common reason for the Check Engine Light to return is that the underlying problem that triggered the code in the first place has not been resolved. Clearing the code only turns off the light; it does not fix the issue.
4.2. Pending Codes
Sometimes, a code may be pending, meaning that the issue has not yet met the criteria to trigger the Check Engine Light. However, if the condition persists, the pending code may become active and turn on the light.
4.3. Multiple Issues
It’s possible that there are multiple issues affecting your vehicle. Clearing one code may turn off the Check Engine Light, but another issue may trigger a new code and turn the light back on.
4.4. Drive Cycle Not Completed
After clearing codes, the vehicle’s computer needs to complete a drive cycle to reset the monitors. If the drive cycle is not completed, the Check Engine Light may return.
4.5. Sensor Malfunctions
A faulty sensor can trigger a code and turn on the Check Engine Light. Even if the sensor is replaced, the light may return if the new sensor is not properly calibrated or if there is an issue with the wiring.
4.6. Loose Gas Cap
A loose or missing gas cap can cause a vacuum leak, which can trigger a code and turn on the Check Engine Light. Ensure that the gas cap is properly tightened.
4.7. Software Glitches
In some cases, a software glitch in the vehicle’s computer can cause the Check Engine Light to turn on. A software update may be required to resolve the issue.
4.8. Exhaust Leaks
Exhaust leaks can cause changes in the oxygen levels in the exhaust system, which can trigger a code and turn on the Check Engine Light.
4.9. Catalytic Converter Issues
A failing catalytic converter can cause a code and turn on the Check Engine Light. The catalytic converter is responsible for reducing harmful emissions, and if it’s not functioning properly, it can affect the vehicle’s performance.
4.10. Electrical Problems
Electrical problems, such as shorts or open circuits, can cause codes to be triggered and turn on the Check Engine Light.
5. Advanced Diagnostic Techniques with the Autel AL519
While the Autel AL519 is user-friendly, understanding advanced diagnostic techniques can help you get the most out of this tool and tackle more complex automotive issues:
5.1. Live Data Analysis
The Autel AL519 allows you to view live data from various sensors and systems in your vehicle. Analyzing this data can help you identify issues that might not trigger a code. For example, you can monitor the oxygen sensor readings to detect exhaust leaks or catalytic converter problems.
5.2. Freeze Frame Data
Freeze frame data captures the sensor readings at the moment a code was triggered. This information can provide valuable insights into the conditions that led to the issue. For example, you can see the engine speed, load, and temperature at the time the code was set.
5.3. O2 Sensor Testing
The Autel AL519 can perform O2 sensor tests to verify that the sensors are functioning correctly. This is important because faulty O2 sensors can cause a variety of performance issues and trigger codes.
5.4. EVAP System Testing
The EVAP (Evaporative Emission Control System) prevents fuel vapors from escaping into the atmosphere. The Autel AL519 can perform EVAP system tests to check for leaks and other issues.
5.5. ABS and SRS Diagnostics
Some vehicles have ABS (Anti-lock Braking System) and SRS (Supplemental Restraint System) codes stored in the computer. While the Autel AL519 is primarily an OBDII scanner, it may be able to read and clear some of these codes, depending on the vehicle.
5.6. Bi-Directional Control
Some advanced scanners offer bi-directional control, which allows you to command certain systems to activate or deactivate. This can be useful for testing components such as relays, solenoids, and actuators. However, the Autel AL519 does not have bi-directional control capabilities.
5.7. Graphing Data
The Autel AL519 can graph data, which makes it easier to visualize and analyze performance trends. This can be especially useful for identifying intermittent problems that might not be obvious from looking at numerical data.
5.8. Component Testing
In addition to reading codes and viewing live data, you can use the Autel AL519 to perform component tests. This involves testing individual components to verify that they are functioning correctly.
5.9. Wiring Diagrams
Having access to wiring diagrams can be invaluable when diagnosing electrical issues. Wiring diagrams show the connections between various components and can help you trace circuits to identify shorts, open circuits, and other problems.
5.10. Technical Service Bulletins (TSBs)
Technical Service Bulletins (TSBs) are issued by vehicle manufacturers to provide information about common problems and their solutions. Checking TSBs can help you identify known issues and resolve them quickly.
6. Maintaining Your Autel AL519 for Optimal Performance
To ensure that your Autel AL519 continues to perform optimally, it’s important to maintain it properly. Here are some tips for maintaining your scanner:
6.1. Keep the Scanner Clean
Keep the scanner clean and free from dirt and debris. Use a soft, damp cloth to clean the screen and housing. Avoid using harsh chemicals or solvents, as these can damage the scanner.
6.2. Protect the Screen
Protect the screen from scratches and impacts. Consider using a screen protector to prevent damage.
6.3. Store the Scanner Properly
When not in use, store the scanner in a safe and dry place. Avoid exposing it to extreme temperatures or humidity.
6.4. Update the Software Regularly
Check for software updates regularly and install them as soon as they are available. Software updates can fix bugs, add new features, and improve the scanner’s performance.
6.5. Inspect the Cable
Inspect the cable regularly for damage. If the cable is frayed or damaged, replace it immediately.
6.6. Check the Battery
If your scanner has a rechargeable battery, check the battery regularly to ensure that it is holding a charge. If the battery is not holding a charge, replace it.
6.7. Calibrate the Scanner
Some scanners require calibration to ensure accurate readings. Check the manufacturer’s instructions for information on calibrating your scanner.
6.8. Follow the Manufacturer’s Instructions
Always follow the manufacturer’s instructions when using and maintaining your scanner. This will help you avoid damaging the scanner and ensure that it performs optimally.
7. Comparing the Autel AL519 to Other OBDII Scanners
The Autel AL519 is a popular OBDII scanner, but there are many other options available on the market. Here’s a comparison of the Autel AL519 to some other popular OBDII scanners:
| Feature | Autel AL519 | Innova 3100RS | BlueDriver Bluetooth Professional OBDII Scan Tool |
|---|---|---|---|
| Price | $70 – $90 | $60 – $80 | $120 – $140 |
| Vehicle Compatibility | 1996 and newer OBDII compliant vehicles | 1996 and newer OBDII compliant vehicles | 1996 and newer OBDII compliant vehicles |
| One-Click I/M Readiness Key | Yes | Yes | Yes (via app) |
| AVOmeter | Yes | No | Yes (via app) |
| Live Data | Yes | Yes | Yes |
| Freeze Frame Data | Yes | Yes | Yes |
| Graphing | Yes | No | Yes |
| ABS and SRS Diagnostics | No | No | Yes |
| Bi-Directional Control | No | No | No |
| Bluetooth Connectivity | No | No | Yes |
| Software Updates | Internet updatable | Internet updatable | App updates |
| Multilingual Support | Yes | Yes | Yes |
| Troubleshooter Code Tips | Yes | Yes | Yes |
7.1. Autel AL519
The Autel AL519 is a versatile OBDII scanner that offers a wide range of features at an affordable price. It’s a good choice for both professional mechanics and DIY enthusiasts.
7.2. Innova 3100RS
The Innova 3100RS is another popular OBDII scanner that offers similar features to the Autel AL519. It’s a good choice for those who want a reliable scanner at a slightly lower price point.
7.3. BlueDriver Bluetooth Professional OBDII Scan Tool
The BlueDriver Bluetooth Professional OBDII Scan Tool is a more advanced scanner that connects to your smartphone via Bluetooth. It offers a wider range of features, including ABS and SRS diagnostics, but it’s also more expensive.
8. Real-World Applications of the Autel AL519
The Autel AL519 is a valuable tool in a variety of real-world applications. Here are some examples:
8.1. Diagnosing Check Engine Light Issues
The Autel AL519 can quickly diagnose the cause of the Check Engine Light, helping you identify and resolve issues before they lead to major problems.
8.2. Preparing for Emissions Testing
The One-Click I/M Readiness Key makes it easy to check your vehicle’s emission control systems and ensure that it’s ready for an emissions test.
8.3. Monitoring Vehicle Performance
The live data and graphing capabilities allow you to monitor your vehicle’s performance in real-time, helping you identify potential issues before they become serious.
8.4. Performing Electrical Testing
The AVOmeter enables you to test voltage, continuity, and current, making it easier to diagnose electrical issues.
8.5. Saving Money on Repairs
By diagnosing and resolving issues yourself, you can save money on costly repairs at a mechanic shop.
9. Common Diagnostic Trouble Codes (DTCs) and Their Meanings
Understanding common Diagnostic Trouble Codes (DTCs) can help you diagnose and resolve automotive issues more effectively. Here are some common DTCs and their meanings:
| Code | Description | Possible Causes |
|---|---|---|
| P0101 | Mass Air Flow (MAF) Sensor Circuit Range/Performance | Dirty or faulty MAF sensor, air leaks, wiring issues |
| P0113 | Intake Air Temperature (IAT) Sensor Circuit High Input | Faulty IAT sensor, wiring issues |
| P0171 | System Too Lean (Bank 1) | Vacuum leaks, faulty O2 sensor, low fuel pressure |
| P0300 | Random/Multiple Cylinder Misfire Detected | Faulty spark plugs, ignition coils, fuel injectors |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | Faulty catalytic converter, exhaust leaks, faulty O2 sensors |
| P0442 | EVAP System Small Leak Detected | Loose gas cap, faulty EVAP components |
| P0455 | EVAP System Large Leak Detected | Loose gas cap, faulty EVAP components |
| P0505 | Idle Control System Malfunction | Faulty idle air control valve, vacuum leaks |
| P0700 | Transmission Control System Malfunction | Faulty transmission sensors, solenoids, wiring issues |
| P0741 | Torque Converter Clutch Circuit Performance or Stuck Off | Faulty torque converter, transmission issues |
10. Frequently Asked Questions (FAQs) About the Autel AL519
Here are some frequently asked questions about the Autel AL519:
10.1. What vehicles are compatible with the Autel AL519?
The Autel AL519 is compatible with most 1996 and newer vehicles that are OBDII and CAN compliant, both domestic and imported.
10.2. Can the Autel AL519 clear ABS and SRS codes?
The Autel AL519 is primarily an OBDII scanner and may not be able to clear ABS and SRS codes on all vehicles. Some vehicles may require a more advanced scanner for these systems.
10.3. How do I update the software on the Autel AL519?
You can update the software on the Autel AL519 by connecting it to a computer via USB and using the Autel Update software.
10.4. Does the Autel AL519 have bi-directional control capabilities?
No, the Autel AL519 does not have bi-directional control capabilities.
10.5. Can the Autel AL519 graph data?
Yes, the Autel AL519 can graph data for 1996 and newer vehicles.
10.6. What is the One-Click I/M Readiness Key?
The One-Click I/M Readiness Key allows you to quickly check the status of your vehicle’s emission control systems and determine if it’s ready for an emissions test.
10.7. What is the AVOmeter used for?
The AVOmeter enables you to test voltage, continuity, and current, making it easier to diagnose electrical issues.
10.8. How do I read live data with the Autel AL519?
You can read live data by selecting the “Live Data” option in the main menu and choosing the sensors or systems you want to monitor.
10.9. What is freeze frame data?
Freeze frame data captures the sensor readings at the moment a code was triggered, providing valuable insights into the conditions that led to the issue.
10.10. Where can I purchase the Autel AL519?
You can purchase the Autel AL519 from various online retailers, auto parts stores, and directly from CARDIAGTECH.NET.
Conclusion
The Autel AL519 is a reliable and versatile OBDII scanner that can help you diagnose and resolve a wide range of automotive issues. Its comprehensive features, user-friendly design, and affordable price make it an excellent choice for both professional mechanics and DIY enthusiasts. By understanding its capabilities and following the tips outlined in this guide, you can get the most out of your Autel AL519 and keep your vehicle running smoothly.
Are you facing challenges in diagnosing and repairing your vehicle? Do you need a reliable tool that can help you quickly identify and resolve issues? Contact CARDIAGTECH.NET today at 276 Reock St, City of Orange, NJ 07050, United States or reach out via Whatsapp at +1 (641) 206-8880. Our experts can help you choose the right diagnostic tools and provide the support you need to keep your vehicle in top condition. Visit CARDIAGTECH.NET now to explore our wide range of automotive diagnostic solutions.
