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AutoLink AL439

OBD2/EOBD Code Reader and Electrical Testing Tool

The AutoLink AL439 OBD II/EOBD Scanner supports all 10 modes of OBD II test for a complete diagnosis. Featuring the unique patented One-Click I/M Readiness Key, circuit test, starting and charging systems test, TFT color display, built-in speaker , the versatile, easy-to-use AL439 will streamline automotive service and help ensure rapid, accurate diagnosis and timely repair.


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• Works on most 1996 and newer vehicles (OBD II & CAN)-domestic and import


• Features the unique patented One-Click I/M Readiness Key for quick State Emissions readiness check and drive cycle verification


• Easy-to-read AVOmeter allows you to read voltage and resistance at the fingertip


• Capable of diagnosing 12V charging systems, starting systems and condition of discharged battery


• Bright color coded LEDs and built-in speaker provide both visual and audible tone for readiness verification


• Easily determines the cause of the Check Engine Light ( MIL)


• Retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes and pending codes


• Turns off Check Engine Light (MIL), clears codes and resets monitors


• Displays monitor and I/M readiness status (emissions)


• Reads live PCM datastream, live O2 sensor test data, freeze frame data


• Graphs data (1996 and newer)


• Troubleshooter code tips guide technicians to the root cause of trouble code faster, saving diagnosis and repair time


• Memory/battery backup for off-vehicle data review and analysis


• Multilingual menu and DTC definitions- English, Spanish and French, etc.


• Retrieves vehicle information (VIN, CIN and CVN)


• Internet updateable


• Prints data via PC

DisplayTFT color display (320 x 240 dpi)
Operating Temperature0 to 60°C (32 to 140 F°)
Storage Temperature-20 to 70°C (-4 to 158 F°)
Length\Width\Height147 mm (5.79”)\96.4 mm (3.80”)\37 mm (1.46”)
Weight0.3kg (0.8lb, without wire) or 0.68kg (1.82lb, with wire)
  • Autel - AL439


  • Description
  • • Works on most 1996 and newer vehicles (OBD II & CAN)-domestic and import


    • Features the unique patented One-Click I/M Readiness Key for quick State Emissions readiness check and drive cycle verification


    • Easy-to-read AVOmeter allows you to read voltage and resistance at the fingertip


    • Capable of diagnosing 12V charging systems, starting systems and condition of discharged battery


    • Bright color coded LEDs and built-in speaker provide both visual and audible tone for readiness verification


    • Easily determines the cause of the Check Engine Light ( MIL)


    • Retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes and pending codes


    • Turns off Check Engine Light (MIL), clears codes and resets monitors


    • Displays monitor and I/M readiness status (emissions)


    • Reads live PCM datastream, live O2 sensor test data, freeze frame data


    • Graphs data (1996 and newer)


    • Troubleshooter code tips guide technicians to the root cause of trouble code faster, saving diagnosis and repair time


    • Memory/battery backup for off-vehicle data review and analysis


    • Multilingual menu and DTC definitions- English, Spanish and French, etc.


    • Retrieves vehicle information (VIN, CIN and CVN)


    • Internet updateable


    • Prints data via PC

  • Specifications
  • DisplayTFT color display (320 x 240 dpi)
    Operating Temperature0 to 60°C (32 to 140 F°)
    Storage Temperature-20 to 70°C (-4 to 158 F°)
    Length\Width\Height147 mm (5.79”)\96.4 mm (3.80”)\37 mm (1.46”)
    Weight0.3kg (0.8lb, without wire) or 0.68kg (1.82lb, with wire)
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