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Main Section
The Main Section of the screen varies depending on the stage of operations. The Main
Section can show vehicle identification selections, the main menu, test data, messages,
instructions and other diagnostic information.
Functional Buttons
The displayed Functional Buttons at this section of the screen varies depending on the
stage of operations. They can be used to navigate, save or clear the diagnostic data,
exit scanning as well as make other functional controls. The functions of these buttons
will be introduced respectively in the following sections of the corresponding test
operations.
Screen Messages
Screen messages appear when additional input is needed before proceeding. There are
mainly three types of on-screen messages as to their purposes: Confirmation, Warning,
and Error.
Confirmation Messages
This type of messages usually displays as an
“Information” screen, which informs you
when you are about to perform an action that cannot be reversed or when an action has
been initiated and your confirmation is needed to continue.
When a user-response is not required to continue, the message displays briefly before
automatically disappearing.
Warning Messages
This type of messages informs you when completing the selected action may result in
an irreversible change or loss of data. The typical example for this is the
“Erase Codes”
message.
Error Messages
Error messages inform you when a system or procedural error has occurred. Examples
of possible errors include a disconnected cable or communication interruption due to
certain reasons.
Making Selections
The Diagnostics application is a menu driven program that presents a series of choices
one at a time. As you select from a menu, the next menu in the series displays. Each
