User's Manual

LAUNCH X-431Tool User’s Manual
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7. Read individual measuring value
8. Diagnose final control
9. Code control unit
10. Login procedure
11. End output
Fig 3-10
Button descriptions:
♦ [HOME]: to return to the homepage of
vehicle diagnosis.
♦ [BACK]: to return to the previous
interface.
♦ [HELP]: to display the help information.
♦ [PAGE DOWN]: to display the next page.
Click [PAGE DOWN] button to display the
second page of the function menu as shown in
Fig 3-11.
Fig 3-11
Read ECU Information
Click [Read ECU Memory] on the function
menu. The screen will display the information
on ECU of the tested system. See Fig 3-12.
Fig 3-12
Note:
The information is from the vehicle ECU. If
you have any question during test, don’t
hesitate to contact LAUNCH to get answer
as soon as possible.
Click [OK] button to return to the function
menu.
Read Fault Memory
Click [Read Fault Memory] in the function
menu. X-431TOOL starts to test the fault code.
The screen will display the test result when the
test is finished. Fig 3-13 is an example of a
test result.