16
Basic Operation and Navigation
Screen Messages
2.3 Screen Messages
2.3.1 System Messages
There are four types of system messages that may be displayed:
2.3.2 Communication Messages
When “no communication” messages are displayed, it indicates the diagnostic tool and the vehicle
electronic control module are not communicating.
The following conditions cause “no communication” messages to display:
•
The diagnostic tool is unable to establish a communication link with the vehicle.
•
The vehicle is not equipped with the system that was selected.
•
There is a loose connection.
•
There is a blown vehicle fuse.
•
There is a wiring fault on the vehicle.
•
There is a circuit fault in the data cable or adaptor.
•
Incorrect vehicle identification was entered.
Refer to the Vehicle Communication Software manuals for manufacturer-specific problems.
Message Type
Description
Loading and
Connecting
Loading and connecting messages display when the diagnostic tool is performing an
internal operation, such as loading a database, establishing communications with the
vehicle, or initiating a test. The message automatically clears once the internal
operation is complete.
Confirmation
Confirmation messages inform you when you are about to perform an action that cannot
be reversed or when an action has been initiated that requires a confirmation to
continue.When a response is not required, the message displays briefly, then
disappears.
Warning
Warning messages inform you when completing the selected action may result in an
irreversible change or in the loss of data. A confirmation is required to continue.
Error
Error messages inform you when a system or procedural error has occurred, for
example if the data cable becomes disconnected during operation.
