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Black plate (4,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
9-4
Driving and Operating
When the engine is started, it will
slowly ramp up to the high idle
speed after a delay of a few
seconds up to approximately
two minutes. For this method to
work properly there must be no
throttle or brake pedal faults.
The engine idle speed will return to
normal once the following conditions
are met:
.
Once engine coolant
temperature reaches
65°C (150°F).
.
Air intake temperature
reaches 0°C (32°F).
The high idle speed will be
temporarily interrupted and the
engine speed will return to normal
if any of the following conditions
occur:
.
The brake pedal is applied.
.
The accelerator pedal is
pressed.
.
The transmission is shifted out
of P (Park) or N (Neutral).
.
Vehicle speed is detected.
Once these inputs are removed, the
engine idle speed will slowly ramp
back up to high idle after the normal
delay, if the conditions for engine
coolant temperature and air intake
temperature are still met.
Fast Idle Control
The vehicle may have this system
which can be used to increase the
engine idle speed.
Fast Idle control will be enabled
when the following conditions
are met:
.
The park brake is set.
.
The transmission is in P (Park)
or N (Neutral).
.
The vehicle speed is about
0 km/h (0 mph).
.
The cruise control is in the On
position. See
“
Cruise Control
”
in
the Index of the vehicle owner
manual.
.
The cruise control Set switch is
pressed and released for Preset
Fast Idle Speed (1200 rpm).
Fast Idle control will be disabled
when one or more of the following
conditions occur:
.
The cruise control is in the Off
position.
.
The cruise control Set switch is
pressed and released. See
“
Cruise Control
”
in the Index of
the vehicle owner manual.
.
The cruise control Cancel switch
is pressed.
.
The brake pedal is pressed.
.
The transmission is shifted out
of P (Park) or N (Neutral).
.
The park brake is released.
.
The vehicle speed is not
0 km/h (0 mph).
When Fast Idle is active, a FAST
IDLE ON message will be displayed
in Driver Information Center (DIC).
See
Starting the Vehicle Messages
on page 5
‑
13
.
Содержание 2011 DURAMAX Diesel
Страница 4: ...Black plate 4 1 DURAMAX Diesel Engine LML LGH 2011 iv Introduction 2 NOTES ...
Страница 10: ...Black plate 6 1 DURAMAX Diesel Engine LML LGH 2011 1 6 In Brief 2 NOTES ...
Страница 130: ...Black plate 4 1 DURAMAX Diesel Engine LML LGH 2011 12 4 Technical Data Engine Drive Belt Routing ...