Clear Fault Memory; Read Data Stream - LAUNCH TECH X-431 PRO3 User Manual

LAUNCH
X-431 PRO3 User's Manual — Vehicle Diagnosis
Fig. 4-18
On-screen Buttons:
New Session: Tap it to return to the home screen.
Search: Highlight a certain DTC item, and then tap it to search the definition of
the selected DTC online.
Report: To save the current data in text format. All reports are saved under the tab
"Diagnostic Report" in "My Report" from "Profile" menu. For details on report
operations, please refer to Chapter 4.10.4 "My Report".
Freeze Frame: When an emission-related fault occurs, certain vehicle conditions are
recorded by the on-board computer . This information is referred to as freeze frame
data. Freeze frame data includes a snapshot of critical parameter values at the
time the DTC is set.
Help: Tap it to view the help information.

4.5.2 Clear fault memory

After reading the retrieved codes from the vehicle and certain repairs have been
carried out, you can use this function to erase the codes from the vehicle. Before
performing this function, please be sure the vehicle's ignition key is in the ON
position with the engine off.
Tap "Clear Trouble Code" in 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.

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
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