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 45
TM 9-2320-312-24-2
Troubleshooting Section
"Cruise/Idle/PTO Switch
Table 25
Configuration"
Manufacturer
Minimum
Maximum
Default
48 km/h
121 km/h
121 km/h
GM
"Cruise/Idle/PTO Switch Configuration" defines the
(30 mph)
(75 mph)
(75 mph)
function of the set/resume switch for "ACCEL" mode
204 km/h
and "DECEL" mode. This parameter affects cruise
32 km/h
204 km/h
Other
(127
control mode, idle mode and PTO mode.
(20 mph)
(127 mph)
mph)
Table 27
Manufacturer
Alternative
Default
"Engine Brake Mode"
"Set/Accel-Res/
"Set/Decel-
GM
"Engine Brake Mode" determines the operation of
Decel"
Res/Accel"
the engine brake while the cruise control on/off
"Set/Decel-Res/
"Set/Accel-
switch is in the ON position but the engine is not
Other
Accel"
Res/Decel"
in cruise control. This does not determine the
operation of the engine brake while the engine is in
cruise control. Also, this does not allow operation
"Soft Cruise Control"
of the engine brake while the engine is in cruise
control.
"Soft Cruise Control" provides a 8 km/h (5 mph)
operating range around the cruise control set speed
The following modes are allowable options:
in order to provide a smoother cruise control. "Soft
Cruise Control" controls the cruise speed within the
Coast
following range:
Latch
4 km/h (2.5 mph) below the set vehicle speed
at full load
Manual
4 km/h (2.5 mph) above the set vehicle speed
When the "Engine Brake Mode" is programmed to
at no load
the Coast Mode, the engine brake is enabled only
while the service brakes are being applied. When
the ECM is programmed to the Latch Mode, the
engine brake stays enabled after the service brakes
are released. A direct, immediate pressure on the
brake pedal latches the engine brake in the ON
position and the engine brake will remain in the ON
position until the accelerator pedal is depressed.
When the "Engine Brake Mode" is programmed
to the Manual Mode, the engine brake operates
independently of the cruise control status.
The engine brake operates with the application and
the release of the service brake in the Coast Mode.
The engine brake turns on with the application of
the service brakes in the Latch Mode. The engine
brake stays on even when the service brakes are
released.
Table 26
g00670797
Illustration 14
Alternative
Default
Soft Cruise control and soft vehicle speed limit
"Coast" "Latch"
"Manual"
Table 28
Manufacturer
Alternative
Default
GM
"YES"
"NO"
Other
"NO"
"YES"
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