LAUNCH X-431 GDS User’s Manual
64
Q: Fail in Mail operation while feedback problems.
A: Product is not registered, please register and operate again.
Q: Software download fa
iled.
A: Check netwo
rk configuration.
Q:
Blank screen after operating for a period.
A: When there
is no externa
l power supply connected, power of battery
exhausts, Please connect external power supply.
About Vehicles
Q: Main screen blinks at the moment when en
gine ignition.
A: It results from electromagnetic interference and this is normal phenomena.
Q: Detect
ing interrupted while testing.
A: It results from electromagnetic interference or loose connection.
Q: No res
ponse while communicating with vehicle ECU.
A:
Make sure that the voltage of vehicle battery is in specified range, the
throttle is in the
closed position, and all electrical consumers are turned off,
and water temperature is in specified range.
Q: Some systems can not be diagnosed
A: The diagnostic socket for the system on some early vehicle may be
separated. Refer to the
vehicle instruction manual.
Q: No corresponding trouble codes description.
A: It is generally normal circuit “sequel”, search the most approaching trouble
code and analy
ze it.
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