MaxiScan MS509 OBD2 Scanner: Your Go-To Diagnostic Tool for Vehicle Issues

The MaxiScan Ms509 Obd2 Scanner is a practical and user-friendly tool designed for both automotive professionals and vehicle owners. This handheld device simplifies the complex task of diagnosing car problems, providing quick and accurate insights into your vehicle’s health. Supporting all nine OBDII test modes across OBDII/EOBD compliant vehicles, the MS509 empowers you to understand and address engine-related issues efficiently.

What is the MaxiScan MS509 OBD2 Scanner?

The MS509 OBD2 scanner is an essential piece of diagnostic equipment that allows you to communicate with your car’s On-Board Diagnostic (OBD) system. Since 1996, OBDII has been a standard in most vehicles sold in the USA and later adopted globally as EOBD. This standardization means tools like the MS509 can work across a wide range of makes and models, reading crucial data related to your engine’s performance and emissions. It’s designed to help you understand why your “Check Engine Light” might be on, and much more.

Key Features and Functions of the MS509 OBD2 Scanner

This tool is packed with features that make vehicle diagnostics accessible to everyone, from seasoned mechanics to DIY enthusiasts. Here’s a breakdown of what the MaxiScan MS509 offers:

• Broad Vehicle Compatibility: Works with all OBDII compliant vehicles manufactured from 1996 onwards, covering US, European, and Asian models.
• Check Engine Light Diagnosis: Quickly identifies the cause of the Check Engine Light (MIL) illuminating on your dashboard.
• Extensive Code Retrieval: Reads both generic codes (P0, P2, P3, U0) and manufacturer-specific codes (P1, P3, U1), giving a comprehensive view of engine and emission related faults.
• Code Clearing and Monitor Reset: Turns off the Check Engine Light (MIL), clears diagnostic trouble codes (DTCs), and resets OBDII monitors.
• DTC Definitions On-Screen: Displays clear and concise definitions of Diagnostic Trouble Codes directly on its large, backlit LCD screen, removing the guesswork from error codes.
• Freeze Frame Data: Captures a snapshot of critical data when an emission-related fault occurs, providing valuable context for diagnosis.
• I/M Readiness Status: Checks the emission readiness of your vehicle, essential for passing smog tests.
• Pending Codes Identification: Detects intermittent faults and pending codes before they trigger the Check Engine Light.
• Live Data Stream: Displays real-time data from the vehicle’s PCM (Powertrain Control Module), allowing you to monitor sensor outputs and system performance live.
• O2 Sensor Test Data: Retrieves live O2 sensor test data for monitoring and diagnosing oxygen sensor issues.
• Data Graphing: Graphs live sensor data for visual analysis of vehicle performance trends (available for 1996 and newer vehicles).
• Data Logging and Playback: Reads, stores, and plays back live sensor data for later review, enabling in-depth analysis.
• Multilingual Support: Offers menu and DTC definitions in multiple languages including English, Spanish, French, German, and Dutch.
• Module Presence Test: Checks for the presence of various modules in the vehicle’s network.
• Vehicle Information Retrieval: Retrieves essential vehicle information such as VIN (Vehicle Identification Number), CIN (Calibration Identification Number), and CVN (Calibration Verification Number).
• CAN and OBD-II Protocol Support: Supports CAN (Controller Area Network) and all other current OBD-II protocols, ensuring compatibility with modern vehicles.
• Built-in DTC Lookup Library: Features an integrated OBD-II DTC lookup library, allowing for quick code interpretation without needing external resources.
• Software Upgradeable: Software can be upgraded via the internet, ensuring the tool stays current with the latest vehicle models and diagnostic capabilities.
• PC Printable Data: Allows for printing diagnostic data via PC for record-keeping and sharing.

MS509 Scanner: Compatibility and Supported Protocols

The MaxiScan MS509 OBD2 scanner is designed for broad compatibility, working with vehicles that adhere to OBDII and EOBD standards. This includes:

• OBDII/EOBD Compliance: Covers vehicles sold in the US from 1996 onwards, as well as European and Asian vehicles compliant with EOBD standards.
• Supported Protocols: The MS509 supports a comprehensive range of OBD-II protocols, ensuring it can communicate with a wide variety of vehicle systems. These protocols include:
  • ISO 15765-4 CAN (various baud rates and ID lengths)
  • ISO 14230-4 KWP 2000 (fast and 5 baud init)
  • ISO 9141-2 (5 baud init)
  • SAE J1850 VPW
  • SAE J1850 PWM

This extensive protocol support makes the MS509 a versatile tool for diagnosing a wide range of vehicles.

Troubleshooting and Usage Tips for Your MS509 OBD2 Scanner

Encountering issues? Here are some common problems and how to resolve them when using your MS509 scanner:

• Vehicle Linking Error: If the scanner fails to communicate with your vehicle’s ECU, ensure:

  • Ignition is turned ON.
  • MS509 OBD II connector is securely plugged into the vehicle’s DLC.
  • Vehicle is indeed OBD2 compliant (check VECI label).
  • Try turning the ignition OFF for 10 seconds, then ON again.
  • Rule out a defective control module in the vehicle.

• Operating Error/Scanner Freezing: If the scanner freezes, it might be due to a communication issue or slow ECU response.

  • Reset the tool by pressing and holding the POWER button for a few seconds.
  • Try turning the ignition OFF, waiting, and then ON again.

• Scanner Doesn’t Power Up: If the MS509 fails to power on:

  • Check the OBD II connector for secure connection to the DLC.
  • Inspect DLC pins for damage or debris; clean if necessary.

MS509 OBD2 Scanner Specifications

For those interested in the technical details, here are the specifications of the MaxiScan MS509:

Specification	Detail
Display	Backlit, 128 x 64 pixel LCD with contrast adjustment
Operating Temperature	0 to 60°C (32 to 140°F)
Storage Temperature	-20 to 70°C (-4 to 158°F)
External Power	8.0 to 18.0V (via vehicle battery)
Dimensions (L x W x H)	178 mm x 95 mm x 35 mm (7.00” x 3.74” x 1.38”)

Package Contents of the MS509 OBD2 Scanner

When you purchase the MaxiScan MS509 (with USB & Print Function), you’ll receive:

1. MS509 Main Unit
2. OBD2 Cable
3. USB Cable
4. User Manual
5. CD (Software and Manual)
6. Package Bag

Conclusion

The MaxiScan MS509 OBD2 Scanner is a valuable investment for anyone looking to understand and maintain their vehicle’s health. Its comprehensive features, broad vehicle compatibility, and user-friendly design make it an excellent tool for diagnosing car problems effectively. Whether you’re a professional mechanic or a car owner keen on DIY maintenance, the MS509 OBD2 scanner can save you time and money by helping you pinpoint issues quickly and efficiently.