39
Scanner Function
Scanner Operation
4.3 Scanner Operation
The Scanner function has two main operation features:
•
Scanner—allows communication with the vehicle ECMs to review DTCs, view parameter
data, and perform functional tests.
•
Fast-Track Troubleshooter—provides access to troubleshooting information from a database
of experienced based information developed by master technicians.
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Basic Scanner Operation Steps
1.
Open Scanner
—Select Scanner on the Home screen.
2.
Identify the vehicle
—Identify the test vehicle by selecting from the menu options.
3.
Connect the data cable to the vehicle
—Follow the on-screen connection instructions to
connect the Scan Module to the test vehicle.
4.
Select a system
—Select the system to be tested from the systems menu.
5.
Select a test
—Select the desired test.
4.3.1 Vehicle Identification
The Scanner communicates with the ECMs of the test vehicle and provides vehicle specific data
and test results. Vehicle identification is the initial step in using the Scanner function. Once vehicle
identification information is entered it is saved in Vehicle History and can be selected again for
later use to save time when testing the same vehicle.
The vehicle identification sequence is menu driven, each selection advances to the next screen.
A Back icon in the upper left corner of the screen returns to the previous screen. Menus items and
procedures may vary by vehicle.
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Identifying a vehicle:
1.
Select the
Scanner
Function icon from the Home screen.
A list of manufacturers displays (
Figure 4-15 Sample manufacturer list
