AUTEL AutoLink® AL539b OBD2 Scanner and Battery tester is designed to read and clear engine ODB2 fault codes and perform circuit level testing including starting and battery system tests. The AL539b’s detachable probes can measure both Volts and Amps for extensive electronic system checks.
Autel AutoLink AL539b with unique patented One-Click I/M Readiness Key, circuit test, starting and charging systems tests, battery test, TFT color display, and built-in speaker. AL539b will streamline automotive service and help ensure rapid, accurate diagnosis and timely repair.
AUTEL Autolink AL539b user's manual