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32
LAUNCH
Professional 909E User Manual
Note:
1. If you plan to take the vehicle to a Service Center for repair, DO NOT
erase the codes from the vehicle’s computer. If data is erased, valuable
information that might help the technician troubleshoot the problem will also
be erased.
2. Clearing DTCs does not x 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.
D. Read Data Stream
This option retrieves and displays live data and parameters from the vehicle’s
ECU.
In Fig. 5-6, tap “Read Data Stream”, the system will display data stream items.
Fig. 5-8
On-screen Buttons:
Select All: Tap it to select all items of the current page. To select certain data
stream item, just check the box before the item name.
Unselect: Tap it to deselect all data stream items.
OK: Tap it to conrm and jump to the next step.
After selecting the desired items, tap “OK” to enter the data stream reading
page.
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