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23
Control Unit
This option allows you to manually locate a required control system for testing through a
series of choices. Follow the menu driven procedures and make proper selection each
time; the program will guide you to the diagnostics function menu after selections are
made.
Figure 4-10 Sample Function Menu
The Function Menu options vary slightly for different vehicles. The function menu may
include:
ECU Information — provides the retrieved ECU information in detail. Selecting
opens an information screen.
Trouble Codes — includes Read codes and Erase codes functions. Displays
detailed information of DTC records retrieved from the test vehicle’s ECU and erases
DTC records and other data from the test vehicle’s ECU.
Freeze Frame — displays the freeze frame data of the DTCs.
Live Data — retrieves and displays live data and parameters from the test vehicle’s
ECU.
Active Test — accesses vehicle-specific subsystem and components test.
Special Functions — performs various component adaptations.
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