Description:

The Autel Autolink AL539 is a very practical OBD2 scan tool designed with bright color coded LEDs and a built-in speaker for visual and audible tones of readiness verification. With Electrical/Battery test (charging test, starting test ,circuit test) and complete OBD2 functions (reading and clearing trouble codes, live data, freeze frame data and more), this code reader is an excellent choice for facilitating vehicle repair work and saving you money. Why Should You Buy this OBD2 Code Reader-AL539 rather than the AL519. Electrical Test: The electrical test consists of circuit test, starting test and charging system test,which are things you cant do with the previous model, AL519. Circuit test is used for diagnosing the vehicle electrical system, including DC or AC voltage test, continuity test, and current test. Starting test rotates the engines crankshaft fast enough so that combustion can take pland the engine can begin to run under its own power. Charging systems test is to ensure the battery will remain charged to; start the vehicle and power the accessories while its running, test the integrity of the 12-volt charging system periodically. OBD2 Functions: This obd2 scan tool supports all 10 modes. Complete OBD2 functions includes reading diagnostic trouble codes (Pending, permanent, current codes), live data stream, freeze frame data, vehicle information, I/M readiness, O2 sensor test, On-board monitor test, Component test. Additional Features: Practical Hot keys: I/M hot key allow you to quick enter I/M readiness interffor quick state emission readiness check and drive cycle verification. User-Friendly Design: Bright color coded LEDs and built-in speaker provide both visual and audible tone for readiness verification. Favorable Price: This code reader is more cost-effective compared with the AL519. You will gain one more electrical test function, but pay the same price! Features: AVOmeter Function: The Autel code reader AL539 equipped with the easy-to-read AVOmeter function for circuit test, starting test and charging system test, helping you monitor electronic-related faults of cars,which are things you cant do with the previous model, AL519. Note: Diagnose 12V systems and voltage of car battery. Full OBD2 Functions: This scan tool has full OBD2 functions for complete car diagnoses. With this car scanner you can quickly turn the check engine light off. Enter the Read codes interffrom diagnostic menu, get the DTC and clear it then the MIL will be turned off. Emission Monitoring: This code scanner is equipped with practical functions of I/M Readiness check, O2 Sensor Test and On-board Monitor Test. You can pass the emission tests smoothly after checking and will not be fined because of emission problems. Information Tracking: The live data of this code reader is to show you the real-time vehicle information and the freeze frame data are the saved parameters and data when the malfunction occurred. You can know more details about your cars performance and operating status of key systems. Other Features: Besides complete OBD2 functions, this car scanner supports DTC Lookup for DTC definitions and printing via PC, which is convenient for getting the required information to help facilitate your repair work.