LAUNCH TECH X-431 Diagun III User Manual page 27

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Fig. 3-7
Fig. 3-8
X-431 Diagun III English User's Manual
Click "DEMO", the screen will display as
Fig. 3-7.
Button Descriptions:
[Return]: return back to the previous
interface.
[Reset]: to exit the current operation if
bug occurs and return to the vehicle
selection screen.
[Print]: print the test result (should be
connected to an external printer
through USB port).
Click [Engine] on the tested system
menu. "Communication is initialized"
screen will appear. After initialization, the
system will automatically jump to the
diagnostic system menu, as shown on
Fig. 3-8.
1) Read trouble code
2) Clear trouble code
3) Read data stream
4) Special function
Note: The test method for different
systems is similar. Here we take [Engine]
for example.
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