Using The Scan Tool; Tool Description - Autel Autolink AL539B Manual

3. Using the Scan Tool

3.1 Tool Description

OBD II CONNECTOR – Connects the scan tool to the
1)
vehicle's Data Link Connector (DLC).
LCD DISPLAY – Indicates test results.
2)
3)
normally (The number of monitors on the vehicle which are
active and performing their diagnostic testing is in the allowed
limit, and no DTCs are present).
GREEN LED – Indicates that engine systems are running
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