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(318,1)
北米Model "A9020BE-B" EDITED: 2022/ 5/ 16
! Supplemental booster function
when vacuum pressure fails
s07ak020201
While the ignition switch is turned “ON”
and the engine is running, the supple-
mental booster function operates when the
brake booster performance is decreased
due to insufficient vacuum boost.
When the brake pedal is depressed while
the supplemental booster function is oper-
ating, an operation sound and brake pedal
vibration may be generated. This is not a
malfunction.
! Electronic brake booster (models
with the electronic brake booster)
s07ak0207
The vehicle is equipped with an electronic
brake booster to provide additional braking
force. Do not turn off the ignition switch
while driving because that will turn off the
brake booster, resulting in poor braking
power.
The brakes will continue to work even
when the brake booster completely stops
functioning. If this happens, you will have
to depress the pedal much harder than
during normal braking, and the braking
distance will increase.
NOTE
When the following operations are
performed, an operating sound from
the electronic brake boost control
module may be heard. This is not a
malfunction.
. The brake pedal was operated.
. The driver’s door was opened.
. The EyeSight function was acti-
vated.
. Several minutes have passed after
the engine stopped.
! Supplemental booster function
when pressure fails
s07ak020701
If there is a malfunction in the braking
system, the power for the braking will be
stored by controlling the hydraulic pres-
sure of the VDC system.
When the brake pedal is depressed while
the supplemental booster function is oper-
ating, an operation sound and brake pedal
vibration may be generated.
! Brake assist system
s07ak0203
WARNING
Do not be overconfident about the
brake assist. It is not a system that
brings more braking ability to the
vehicle beyond its braking capabil-
ity. Always use the utmost care
when driving regarding vehicle
speed and safe distance.
CAUTION
When you need to brake suddenly,
continue depressing the brake pedal
strongly to bring the effect of the
brake assist.
Brake assist is a driver assistance system.
It assists the brake power when the driver
cannot depress the brake pedal strongly
and the brake power is insufficient.
Brake assist generates the brake power
according to the speed at which the driver
depresses the brake pedal.
NOTE
When you depress the brake pedal
strongly or suddenly, the following
phenomena occur. However, even
though these occur, they do not indi-
cate any malfunctions, and the brake
assist system is operating properly.
. You might feel that the brake pedal is
applied by lighter force and generates a
greater braking force.
. You might hear the sound of ABS
operating from the engine compart-
ment.
Braking
316
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