Diagnostics Operations
Generic OBD II Operations
53
Live data can be displayed in various modes, see
4.6.4 Live Data
on page 39
for detailed information.
O2 Sensor Monitor
This option allows retrieval and viewing of O2 sensor monitor test results for
the most recently performed tests from the vehicle’s on-board computer.
The O2 Sensor Monitor test function is not supported by vehicles which
communicate using a controller area network (CAN). For O2 Sensor Monitor
tests results of CAN-equipped vehicles, refer to
On-Board Monitor
.
On-Board Monitor
This option allows you to view the results of On-Board Monitor tests. The tests
are useful after servicing or after erasing a vehicle’s control module memory.
Component Test
This service enables bi-directional control of the ECM so that the diagnostic
tool is able to transmit control commands to operate the vehicle systems. This
function is useful in determining whether the ECM responds to a command
well.
Vehicle Information
The option displays the vehicle identification number (VIN), the calibration
identification, and the calibration verification number (CVN), and other
information of the test vehicle.
Vehicle Status
This item is used to check the current condition of the vehicle, including
communication protocols of OBD II modules, retrieved codes amount, status
of the Malfunction Indicator Light (MIL), and other additional information.
4.9 Exiting Diagnostics
The Diagnostics application remains open as long as there is an active
communication with the vehicle. You must exit the diagnostics operation
interface to stop all communications with the vehicle before closing the
Diagnostics application.
