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Scanner Operations Operations
Figure 5-21 Sample functional test controls
Some toggle and variable control tests display functional test controls at the top of the screen with
data stream information below (Figure 5-21).
Functional test controls allow you manipulate the test signal as shown in Table 5-4.
5.5.4 Generic Functions
The Generic Functions selection opens a menu of available OBD-II/EOBD functions on 1996
and newer vehicles. For additional information on generic function refer to the Global OBD Vehicle
Communications Software Manual. Menu options typically include:
• Readiness Monitors—displays the status of the OBD-II/EOBD required monitors
• ($02)Freeze Frame—displays data stored in ECM memory when a DTC is set
Table 5-4 Functional test control buttons
Name Button Description
Test Activates the test.
Return Moves focus back to the data list.
Change List Allows you to switch data lists.
Minus
Switches an item off or low, or incrementally reduces
a variable signal.
Plus
Switches an item high or on, or incrementally
increases a variable signal.
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