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20
LAUNCH Series User Manual
Notes:
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. 5-7, tap “Read Data Stream”, the system will display data stream items.
Fig. 5-9
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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