Use and Care Manual

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Figure 4- 20 Sample O2 Sensor Test Result
5) Use the UP/DOWN scroll button to view more screens of data if
additional information is available in more than one page.
6) Press the ESC button to return to the previous menu.
On-Board Monitor Test
The On-Board Monitor Test is useful after servicing or after erasing a
vehicle’s control module memory. The On-Board Monitor Test for
non-CAN-equipped vehicles retrieves and displays test results for
emission-related power train components and systems that are not
continuously monitored. The On-Board Monitor Test for CAN-equipped
vehicles retrieves and displays test results for emission-related power train
components and systems that are and are not continuously monitored. Test
and components IDs are determined by the vehicle manufacturer.
In this test, there are typically a minimum value, a maximum value, and a
current value for each monitor. By comparing the current value with the
minimum and maximum value, the scan tool will determine if it is OK.
1) Use the UP/DOWN scroll button to select On-Board Monitor Test
from Diagnostic Menu and press the OK button (Figure 4- 1).
2) Wait a few seconds while the scan tool validates the PID MAP.
3) The scan tool will prompt you to select the vehicle make. (If you have
selected the vehicle before, the Vehicle Manufacturer screen would
not appear again)