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LAUNCH Start Diagnostics
26
On-screen Buttons:
:
Highlight a certain DTC item, and then tap it to search for more information
about 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 “Personal Center” menu. For details on
report operations, please refer to Chapter 9.1 “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.
5.3.3 Clear Fault Code
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. 5-8, tap “Clear Fault Code”, a confirmation dialog box pops up on the
screen. Tap “Yes”, 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.
5.3.4 Read Data Stream
This option lets you view and capture (record) real-time Live Data. This data
including current operating status for parameters and/or sensor information can
provide insight on overall vehicle performance. It can also be used to guide
vehicle repair.
*Note: If you must drive the vehicle in order to perform a troubleshooting procedure,
ALWAYS have a second person help you. Trying to drive and operate the diagnostic
tool at the same time is dangerous, and could cause a serious traffic accident.
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