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Scanner Exiting Scanner
Figure 3-22 Troubleshooter tip
3.4 Exiting Scanner
Scanner function remains open as long as there is an active communication link with the vehicle.
You must interrupt this communication link in order to exit from tests and power down the
diagnostic tool. A warning message displays if you attempt to shut down while the diagnostic tool
is communicating with the vehicle.
i Damage to the vehicle electronic control module (ECM) may occur if communication is disrupted.
Make sure the data cable is properly connected at all times during testing. Exit all tests before
disconnecting the data cable or powering down the diagnostic tool.
z To exit the Scanner function:
1. From any active data screen, select the Back icon on the toolbar.
A “stopping communications” message briefly displays followed by the Data menu.
2. From the Data Menu, select Back on the toolbar.
Again, a “stopping communications” message briefly displays followed by the Main menu.
Now, the diagnostic tool is no longer communicating with the vehicle and it is safe to return to the
Home screen and power down the diagnostic tool.
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