Cruise
Control
Description
The cruise control system uses mechanically and elec-
trically operated devices to maintain vehicle speed at a
setting selected by the driver.
The cruise control unit receives command signals from
the cruise control main switch and the cruise control
set/resume switch. It receives information about oper-
ating conditions from the brake switch, PGM-FI ECU,
speed sensor, the clutch switch (with manual transmis-
sion), or the shift lever position switch (with automatic
transmission). The cruise control unit sends operational
signals to the devices that regulate the throttle position.
The throttle position maintains the selected vehicle
speed. Essentially, the control unit compares the actual
speed of the vehicle to the selected speed. Then, the con-
trol unit uses the result of that comparison to open or
close the throttle.
The brake switch releases the system’s control of the
throttle at the instant the driver depresses the brake pe-
dal. The switch sends an electronic signal to the control
unit when the brake pedal is depressed; the control unit
responds by allowing the throttle to close. The clutch
switch (manual transmission) or the shift lever position
switch (automatic transmission) sends a disengage sig-
nal input to the control unit that also allows the throttle
to close.
Operation:
The cruise control system will set and automatically main-
tain any speed above 30 mph (45
To set, make sure
that the main switch is in the “ON” position. After reach-
ing the desired speed, press the set switch. The cruise
control unit will receive a set signal input and, in turn,
will actuate the cruise control actuator. When the set
switch is depressed and the cruise control system is on,
the “cruise control” on indicator in the gauge assembly
will light up. You can cancel the cruise control system
by pushing the main switch to “OFF.” This removes
power to the control unit and erases the set speed from
memory. If the system is disengaged temporarily by the
brake switch, clutch switch, or gear selector switch and
vehicle speed is still above 30 mph, press the resume
switch. With the resume switch depressed and the set
memory retained, the vehicle automatically returns to the
previous set speed.
For gradual
without depressing the acceler-
ator pedal, push the resume switch down and hold it
there until the desired speed is reached. This will send
an acceleration signal input to the control unit. When the
switch is released, the system will be reprogrammed for
the new speed. To slow the vehicle down, depress the
set switch. This will send a deceleration signal input to
the control unit causing the vehicle to coast until the
desired speed is reached. When the desired speed is
reached, release the set switch. This will reprogram the
system for the new speed.
23-292
Содержание Acura NSX 1991
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Страница 23: ...Specifications Standards and Service Limits 3 2 Design Specifications 3 l 1 ...
Страница 39: ...Body Specifications m I 1 175 46 3 Unit mm in ...
Страница 40: ...Maintenance Lubrication Points 4 2 Maintenance Schedule 4 4 ...
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