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32
Control Units
Manually locate a required control system for testing through a series of
choices. Follow the menu driven procedures and make proper selections;
the application guides the user to the proper diagnostic function menu
based on selections.
The Function Menu options vary slightly for different vehicles. The
function menu may include:
ECU Information – provides the retrieved ECU information in detail. An
information screen opens upon selection.
Read Codes – displays detailed information of DTC records retrieved
from the test vehicle’s ECU.
Erase Codes – erases DTC records and other data from the test
vehicle’s ECU.
Live Data – retrieves and displays live data and parameters from the
test vehicle’s ECU.
NOTE
Toolbar functions such as saving and printing of test results can be
performed throughout diagnostic testing. Data logging and access to help
information are also available.
To perform a diagnostic function
1. Establish communication with the test vehicle.
2. Identify the test vehicle by selecting from the menu options.
Figure 4- 10 Sample Function Menu
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