4/30/2021

Content creation stages KC-43

Mack Chassis - Idle Shutdown Parameter
Con guration; Information For Enabling And
Setting Parameters For Idle Shutdown Operation US07 And Newer Emissions

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Internal Content

De nitions
The driver can press the brake pedal, accelerato
Driver inputs
r pedal or optionally, an override switch to delay
or stop idle shutdown in most con gurations.
Engine speed control can be started by the cruis
e control buttons or by PTO inputs to hold the e
Engine speed control
ngine at speed independent of the accelerator p
edal.
Idle shutdown will not occur until vehicle moves
Permanent Override
and stops again or engine is restarted.
Idle shutdown will not occur while the respectiv
Temporary Suspension
e condition is active, e.g. while PTO is active.
Before the engine is shut down a variable time
Driver alert period warning occurs. Some options allow permanent
idle shutdown override during this period.

NOTE: The brake and accelerator pedal are driver inputs which can be
left applied to inde nitely prevent idle shutdown in previous versions.
Later versions have some time and tolerance for change and will
otherwise allow idle shutdown even when applied. Parameters governing
these functions are only visible to Mack internal operations.

Parameter Information

; Live UI
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VV
EE
CC
UU
45
PP
aa
Title
rr
aa
mm
ee
tt
ee
rr

Description

Speci es wh
ether the Idl
e Shutdown
feature is to
be enabled.

P
1
A
T
L
P
I

Idling Automatic Shut-o

P
1
A
B
M
V
S

Idling Time, Maximum

P
F1
MB
TV
R

Idle Shutdown Warning Time

P
F1
NB
CX
8

Idle Shutdown Warm-Up Delay

When set to
YES, also spe
cify the para
meters belo
w.
Speci es the
maximum id
le time befor
e automatic i
dle shutdow
n.
Speci es the
time that an
alarm will so
und before i
dle shutdow
n.
Enables func
tion of FMY
and FNA.

; Live UI
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P
F1
MS
YO
V

Idle Shutdown Warm-up Temperature

P
F1
NS
AO
P

Idle Shutdown Warm-up Timer

P
C1
MS
PO
S

Max Engine Temp to Allow Idle Shutdown

If the coolan
t temperatur
e is below th
is value idle
shutdown wi
ll be delayed
by paramete
r FNA.
If the coolan
t temperatur
e is below F
MY, idle shut
down will be
delayed by t
his time.
Idle shutdow
n will not sta
rt if engine c
oolant is abo
ve this temp
erature to all
ow heat disp
ersion.

; Live UI
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P
C1
MB
QV
V

P
F1
NS
BO
J

Content creation stages KC-43

Enable Permanent Override for Idle Shutdown

Idle Shutdown Override with Override Switch

If set to YES,
any driver in
put during t
he 90 secon
ds immediat
ely before idl
e shutdown
(the "driver a
lert" period F
MT) will prev
ent Idle Shut
down from o
ccurring duri
ng the curre
nt cycle (unti
l the vehicle i
s moved or t
he ignition s
witch is turn
ed OFF and
back ON aga
in).
If set to NO,
the driver m
ust continuo
usly provide
control input
s during the
idle period t
o interrupt t
he idle shutd
own timer a
nd prevent t
he engine fr
om shutting
down.
Enables a da
sh switch as
a “driver inp
ut”. (Mack Tr
uck option).

; Live UI
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If set to YES,
Idle shutdow
n can be sus
pended if th
e driver activ
ates a driver
input during
the “driver al
ert” period, a
nd the ambi
ent tempera
ture is outsi
de a comfort
zone establis
hed by CMN
and CMO.

P
F1
P S Idle shutdown Override: Ambient Temp Mode Activation
IO
Idle shutdow
L
n will be sus
pended until
ambient tem
perature is i
n the “comfo
rt zone” at w
hich time th
e “driver aler
t” period will
be reentere
d.

P
M1
XB
BV
T

Enable Ambient Air Temperature as Entry Condition

FND also ne
eds to be set
to 1 or 2.
If set to YES,
Idle shutdow
n will not sta
rt if the ambi
ent tempera
ture is outsi
de a comfort
zone establis
hed by CMN
and CMO.

; Live UI
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P
C1
MS
NO
O

Content creation stages KC-43

If FPI is set t
o yes Ambie
nt (outside) t
emperatures
below the se
t value will al
low idle shut
down to be s
uspended by
driver inputs
during the w
arning perio
d.
Min Ambient Temperature to Allow Idle Shutdown
OR
If MXB is set
to yes Ambie
nt temperat
ures below t
he set value
will prevent I
dle Shutdow
n from occur
ring without
driver intera
ction.