[OBD2/EOBD Code Reader and Electrical Testing Tool] Autel 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.
[OBD2 Diagnostics] Autel AutoLink AL439 OBD2 diagnostic scan tool allows you to perform reading codes, erasing codes, viewing live data and freeze frame data, data recording, data playback, retrieving I/M readiness status, O2 monitor test, on-board monitor test, component test and viewing vehicle information.
[Ready Test] With the AL439 scan tool, you don't have to drive around endlessly and continuously coming back to the repair shop for retest if all required tests by the ECU are completed. And you could also do a quick check of the vehicle to determine if it is ready to receive an e-mi-ssions test without the hassle of connecting your vehicle to the analyzer or having to use a complicated scan tool, saving diagnosis time and improving technician productivity.
[Circuit Test] This function is specially designed to diagnose the vehicle electrical system, including DC or AC voltage test, resistance test. There are four modes for this function: DC Voltage, AC Voltage, Continuity and Auto. NOTE: Circuit Test function is only available when the tool is powered by 3.7V lithium battery solely. Otherwise, it will cause incorrect results and damage the tool. Note: If you have any questions, please feel free to contact us via message or mbdh2022@outlook. com .
[Start Test] To ensure the battery will remain charged to start the vehicle and power the accessories while it's running, test the integrity of the 12-volt charging system periodically. Testing the starting system can confirm that it is functioning properly, or provide valuable diagnostic information to isolate a problem in the system. To get more accurate results, this scan tool incorporates a temperature compensation feature to aid in tests.
[More] Autel AL439 code reader supports data printing via PC, LED/audio tone interpretation, Memory/battery backup, Multilingual menu and DTC definitions, Internet update. The AL439 can work with all OBD II compliant vehicles, including those equipped with universal protocol -- Control Area Network (CAN). It is required by EPA that all 1996 and newer vehicles (cars and light trucks) sold in the US must be OBD II compliant and this includes all Domestic, Asian and European vehicles.