Autel AutoLink AL539B OBDII Code Reader & Electrical Test Tool Autel AutoLink AL539B Feature & Function: 1. Works on ALL 1996 and newer vehicles(OBDII & CAN)-domestic and import2. Capable of diagnosing 12V charging systems, starting systems and condition of discharged battery3. Easy-to-read AVOmeter allows you to test voltage, continuity and current at the fingertip4. Features the unique patented One-Click I/M Readiness Key for quick State Emissions readiness check and drive cycle verification5. Provides quick and accurate load-free testing of most types of 12V batteries, including AGM, standard and maintenance-fee batteries6. Bright color coded LEDs and built-in speaker provide both visual and audible tone for readiness verification7. Easily determines the cause of the Check Engine Light (MIL)8. Retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes and pending codes9. Turns off Check Engine Light (MIL), clears codes and resets monitors10. Displays monitor and I/M readiness status (emissions)11. Reads live PCM datastream, live O2 sensor test data, freeze frame data12. Graphs data (1996 and newer)13. Troubleshooter codes tips guide technicians to the root cause ......
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