Autel Al539b Diagnostice Tools Code Reader(Full Obd2 Scanner+Avometer+Battery Tester)

Check Engine Light Turn-off As an OBD2 code reader that is equipped with full OBD2 functions, the AL539B can help you easily determine the cause of the check engine light via reading and displaying the codes together with codes definitions accurately and effectively, and help you turn off the check engine light after repairing and servicing through erasing codes. Youre also able to view freeze frame data which records the vehicle operating parameters when a DTC is detected, for clearer analysis of the problem. An AVOmeter and a Battery Tester Three different cables are included for OBD diagnosis, AVOmeter Test and Battery Test. The battery test cable has the red/back clamps for making a solid connection with the battery positive/negative terminals. With the AL539B, you can not only easily diagnose your vehicles electronical system by accurately and effectively checking the DC/AC voltage, continuity and current, but also analyze the condition of the battery via testing the starting syst