SECTION VIIB TIS SOFTWARE
2005 Tech 2 User’s Guide VII - 27
4. When a frame is reached for which a diagnostic trouble code does not exist, the DTC window will
display a blank.
T I P
The View DTC Information icon will be highlighted if a code was set during a snapshot.
Select the View DTC Information icon. This will show any and all DTCs set during the
snapshot, since DTCs are stored for the duration of the snapshot.
T I P
In most snapshots, DTCs set near the trigger frame. To quickly locate the frame where
a DTC occurred, click on the “Trigger Frame” selection. Then use the “Forward One
Frame” or “Reverse One Frame” selections to view the frames just before and after the
trigger frame. Chances are the DTC will appear within these frames. If not, continue
viewing the snapshot using the “Play Forward” or “Play in Reverse” selections.
3. To determine exactly when a DTC set during a snapshot, use the “Play Forward” and “Play in Reverse”
selections to play the snapshot with the DTC window still in view. DTC information will continue to
display for all the frames during which the DTC was set.
• This information can be useful for diagnosing DTCs by displaying related data parameters at the point
in time when the code was set.
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