User Guide

LAUNCH X-431 V User Manual — Vehicle Diagnosis
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4.5.3 Read Data Stream
This option retrieves and displays live data and parameters from the vehicle’s ECU.
Tap “Read Data Stream” in function menu, the system will display data stream
items.
Fig. 4-17
On-screen Buttons:
Select Page:
Tap it to select all items of the current page.
Unselect:
Tap it to deselect all data stream items.
New Session:
Tap it to return to the home screen.
Print:
Tap it to print the current screen. To perform printing, you need to
purchase a Wi-Fi printer manufactured by LAUNCH separately. For details on
printer setting, see Chapter 4.8.5 “Launch wireless printer connection”.
Confirm:
Tap it to confirm and jump to the next step.
After selecting the desired items, tap “Confirm” to enter the data stream reading
page.