near empty, and a lightbar that indicates the level of
DEF in the tank. The DEF light bar illuminates as fol-
lows.
•
Four bars illuminated green—Between 75%
and 100% full
•
Three bars illuminated green—Between 50%
and 75% full
•
Two bars illuminated green—Between 25%
and 50% full
•
One bar illuminated green—Between approxi-
mately 10% and 25% full
•
One bar illuminated amber—DEF very low, re-
fill DEF
•
One bar flashing red—DEF empty, refill DEF
DEF Warnings and Engine Limits
IMPORTANT: Ignoring the DEF warning lights
results in limited engine power, with the applica-
tion of a 5 mph (8 km/h) speed limit.
f080147
EXHAUST AFTERTREATMENT SYSTEM INFORMATION
Switch.
Level 1 Level 3Level 2 Level 4
Filter Regeneration
Recommended
Filter is reaching
Bring vehicle to
highway speeds to
Filter Regeneration
Necessary
Filter is now
reaching maximum
capacity
.
To avoid engine
derate bring vehicle
Parked Regeneration
Required − Engine
Derate
Filter has reached
maximum capacity
.
Vehicle must be
parked and a Parked
Parked Regeneration Required −
Engine Shut Down
Filter has exceeded
maximum capacity
Vehicle must be parked and a
Parked Regeneration or Service
(Solid)
(Flashing) (Flashing)
CHECK CHECK
(Flashing)
INDICATOR
LAMP(S)
Indicator Lamp
Message(s)
Diesel Particulate
Filter Condition
Required Action
capacity
. .
STOP
See Engine Operator’s Manual for complete Regeneration Instructions.
allow for an Automatic
Regeneration or
perform a Parked
Regeneration.
to highway speeds
to allow for an
Automatic
Regeneration or
perform a Parked
Regeneration as
soon as possible.
Regeneration must
be performed −
engine will begin
derate.
Regeneration must be performed.
Check engine operator’s manual
for details −engine will shut down.
For a driver performed Parked Regeneration, vehicle must be equipped with a dash mounted Regeneration Switch.
06/29/2009
24−01583−000B
W
ARNING
HEST (High Exhaust
System Temperature)
Exhaust Components
and exhaust gas are
at high temperature.
When stationary, keep
away from people and
flammable materials
or vapors.
A regeneration is in
progress.
Flashing
Solid
Fig. 11.4, ATS Warning Lamps
09/25/2006 f610814a
Fig. 11.5, Malfunction Indicator Lamp (MIL)
09/25/2006 f610815a
Fig. 11.6, DPF Status Lamp
Emissions and Fuel Efficiency
11.5
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