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 177
TM 9-2320-312-24-2
Troubleshooting Section
After a speed has been set, pressing and holding
Table 144
the set/resume switch in position will cause the
Switch Usage.
engine to establish a new set speed. The system's
Setting For
reaction depends on the programming of the
Service
Service
Transmission
Brake
Brake
"Cruise/Idle/PTO Switch Configuration".
Style
Neutral
Clutch
Switch
Switch
Parameter
1
2
When the set/resume switch is momentarily pressed,
the cruise set point will change one mph. The
"Manual
X
X
rate of change is dependent on the programmed
Option 1"
"Idle/PTO Bump rpm" when the engine is setting
"Manual
on idle speed.
X
X
X
Option 2"
Cruise Control Pause Switch
"Automatic
X
Option 1"
The cruise control pause switch is not a switch
"Automatic
X
X
that is wired to an input. The switch position is
Option 2"
broadcast over a J1939 data link. The parameter
"Automatic
"Cruise Pause Switch" must be programmed to
X
X
X
Option 3"
use a cruise control pause switch. After a speed
has been set and the speed is then disengaged
"Automatic
X
X
by using the cruise control pause switch, the ECM
Option 4"
will seek the previous set speed when the resume
"AT/MT/HT
switch is toggled. This assumes that the vehicle
X
Option 1"
speed is above the "Low Cruise Control Speed
Set Limit" for cruise control or the vehicle speed is
"AT/MT/HT
X
X
below the "Idle/PTO Vehicle Speed Limit" for the
Option 2"
idle and the PTO.
"AT/MT/HT
X
X
X
Option 3"
Kickout Switches
"AT/MT/HT
X
X
The brake pedal position switches, the neutral
Option 4"
switch, the cruise control pause switch, and the
"Universal
X
X
X
clutch pedal position switch are used in the cruise
Option"
control mode, the PTO mode, the fast idle mode,
and the idle mode to discontinue cruise operation,
If the "Transmission Style" parameter is programmed
PTO operation, fast idle operation, or idle operation.
to one of the following options, the input for the
The capability to override the idle shutdown timer is
clutch pedal position switch is not used:
determined by the "Allow Idle Shutdown Override"
parameter setting. The "Allow Idle Shutdown
"Automatic Options 1"
Override" is a Customer Parameter.
"Automatic Option 2"
Usage of Transmission Style Switches
"Automatic Option 3"
The "Transmission Style" parameter determines the
switches that will be used. The following switches
"Automatic Option 4"
can be used.
"AT/MT/HT Option 1"
clutch pedal position
"AT/MT/HT Option 2"
neutral
"AT/MT/HT Option 3"
service brake pedal position (switch 1)
"AT/MT/HT Option 4"
service brake pedal position (switch 2)
Refer to Table 144 for additional information.
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