LAUNCH X-431 PRO Series User Manual
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On-screen Buttons:
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 to view the help information.
Code Search:
Tap it to search for more information about the current DTC
online.
Report:
To save the current data in text format. All reports are saved under the
tab “Diagnostic Report” in “My Report” from “User Info” menu. For details on
report operations, please refer to Chapter 9.1 “My Report”.
C. 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.
Clearing DTCs does not fix the problem(s) that caused the code(s) to be set. If
proper repairs to correct the problem that caused the code(s) to be set are not
made, the code(s) will appear again and the check engine light will illuminate as
soon as the problem that cause the DTC to set manifests itself.
In Fig. 5-18, tap “Clear Fault Memory”, a confirmation dialog box pops up on the
screen.
Fig. 5-20
Tap “Yes” and the system will automatically delete the currently existing trouble
code.
*Note: After clearing, you should retrieve trouble codes once more or turn ignition on
and retrieve codes again. If there are still some trouble codes in the system, please
troubleshoot the code using a factory diagnosis guide, then clear the code and recheck.
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