GxT Ferret 31 Scan Tool - Manual (Page 9)

8 9
Oxygen Sensor Test Mode
Select O2 Sensor Test from the Test
Mode Menu and press enter.
If this test mode is supported by the
vehicle, you will be able to choose
which O2 Sensor you wish to test.
For an expanded explanation of the
abbreviations, select the item and
look at the bottom of the screen.
Use the up and down arrow keys to
select which sensor you want to view
and press enter. The Scan Tool will
retrieve the data and display it on
the screen.