Start Diagnosing; Read Trouble Code; Clear Trouble Code; Read Data Stream - LAUNCH TECH X-431 PRO User Manual

LAUNCH
X-431 PRO User's Manual — Vehicle Diagnosis

3.5 Start diagnosing

Take Demo as an example to demonstrate how to diagnose a vehicle. Start the
software to enter vehicle selection screen.
Click "Demo" to enter demo menu screen. Click "DEMO" to enter system
selection screen.
Click "Engine", the system starts initializing and then jump to the function menu.

3.5.1 Read trouble code

Click "Read trouble code" in function menu, the screen will display the diagnostic
result.
Generate word report: to save the current diagnostic result in text form.
Generate screenshot report: to save the current diagnostic result in
screenshot form.
Click to return to the function selection screen.

3.5.2 Clear trouble code

Click "Clear trouble code" function menu, the system will automatically delete
the currently existing trouble code.
Note: The trouble code will not disappear until the trouble was completely
cleared.

3.5.3 Read data stream

Click "Read data stream" in function menu, the system will display datastream
items. Check the box before the desired item and then click "Confirm". To select
all, click "Select all". To deselect all, click it again.
After communication is complete, dynamic data of the selected datastream will
appear on the screen. Click one item, the system will display data changes in
waveform. To stop reading, click . Click to resume.
On datastream reading page, the following operations can be done:
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