
LAUNCH X-431TOP User
’
s Manual
32
Answer: You
’
ve changed language and the
data is related to language. You may find
the data after switching back to the former
language.
Question: What can I do when the screen is
confused?
Answer: Please quit the current application
(interface), and run it again. If the problem
still exists, please restart the system.
Question: Why can
’
t I do operation in
current interface?
Answer: There are two possible causes:
1. Your current interface has exited illegally.
In this situation, you may not see the name
of the application (interface) in the pop-up
list when you click the active taskbar icon.
2. The system is busy, please wait patiently,
or click the active taskbar icon to switch to
another application.
Questions Related to
Vehicle
Question: Why is operation interrupted
during diagnosis?
Answer: It may be caused by
electromagnetic interference or incorrect
connection of connector.
Question: Why is there no response from
vehicle ECU at communication?
Answer: Make sure that the voltage of
vehicle battery, ignition timer and idle speed are
in standard range; the throttle is in the closed
position; and all electric devices, such as A/C,
headlight, stereos etc, are turned off. Refer to the
section
“
Conditions for Test
”
.
Question: Some systems can not be
diagnosed. Why?
Answer: The diagnostic socket for the
system on some early vehicle may be separated.
Refer to the vehicle instruction manual.
Question: No trouble code is found. Why?
Answer: It may be caused by the shared
circuit. Find the nearest trouble code and circuit
for analysis.
Question: Why are there too many trouble
codes?
Answer: It may be caused by poor contact
or poor grounding. Make sure that the vehicle
model/year is selected correctly and the vehicle
is equipped with the system
Maintenance
l
storage
l
Store the X-431 on a flat and dry place with
suitable temperature.
l
Never put the X-431 in direct sunlight or near
the heating source.
l
Prevent smoke, water and oil from entering
the X-431.
l
Avoid shock, dust, moisture and extremely
high temperature.
l
Do not disassemble the main unit. Clean the
outside surface and screen with soft cloth
that is dipped with a little water if the main
unit is dirty. This should be done after the
machine is turned off and the power cable is
removed.
l
Periodically turn on the X-431 main unit if it
is not operated for long time to avoid
moisture.