The following is a list of definitions for the fields on the ENGINE
DIAGNOSTICS screen:
Active Faults/Stored Faults
Shows the number of active faults and which fault number is cur-
rently being displayed. To advance to the next fault, select
and
select to go back to the previous fault. Selecting [BACK] returns
to the Settings Menu. To navigate between the Active and Stored
faults, use the STORED FAULTS/ACTIVE FAULTS soft keys.
SPN — Suspect Parameter Number - fault code If not translated
into text by the display, see the engine manufacturer’s literature for
the definition of the SPN number.
MI — Failure Mode Indicator - fault code. The FMI is defined by
SAE J1939. If not translated into text, see the SAE standard or the
engine manufacturer’s literature.
Description Field — Most common SPNs and FMIs have text for the
description stored in the display. If there is no text, then this SPN
and FMI must be defined by referring to the engine manufacturer or
the SAE J1939 standard.
NOTE: This field is only used with certain brands and models
of engines.
Corrective Action — see dealer.
Get Faults
Selecting Get Faults queries the engine(s) ECU for feedback on
diagnostic codes that have been activated and stored in the ECU for
service needs.
Fault Code Pop-ups
A fault condition will trigger a pop-up dialog box on the screen de-
scribing the nature of the fault.
How to Hide/Show Faults
To hide the fault code pop-up being displayed on the screen, press
the soft key next to the Hide icon. The pop-up will disappear, how-
ever the Warning or Stop icon will remain on the screen to indicate
there is still a fault. Pressing Hide does not clear the fault; it only
hides the pop-up message.
When a fault code is hidden, a Show icon remains in the bottom
right corner. When this soft key is pressed, the fault code displays.
Scrolling Through Multiple Messages
The title-bar of the fault code pop-up may indicate multiple mes-
sages, as in Diagnostic Message 1 of 3. Press
or
to scroll
through the dierent messages.
2021MCOwnerManualFINAL.indd 159 8/26/20 1:52 PM
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