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Control Units
Figure 4-10
Sample Function Menu
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.
3. Select the
Diagnosis
section.