October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Other Scan Tool Features

Other diagnostic methods include the following:

Parameter identification (PID) access mode, used to monitor sensors and actuators.
Freeze frame data access mode, used to view emission-related data values from specific PIDs.
Oxygen sensor monitor mode, used to monitor the oxygen sensor.