Ultrasonic misacceleration Mitigation System (UMS)*
6-94
Starting and driving
6
E00643600282
There are the sensors (A) on each of 4 places
of the front bumper and the rear bumper.
E00643800024
The Ultrasonic misacceleration Mitigation
System is automatically turned ON by setting
the operation mode to ON. In addition, the
Ultrasonic misacceleration Mitigation System
ON/OFF is switched in conjunction with the
ON/OFF state of the FCM.
Refer to “Forward Collision Mitigation Sys-
tem (FCM) and Ultrasonic misacceleration
Mitigation System (UMS) ON/OFF switch”
on page 6-88.
Sensor locations
CAUTION
The Ultrasonic misacceleration Mitigation
System may not operate because the sensor
cannot detect the vehicle or obstacle as fol-
lows.
• Vehicle towing a trailer etc.
• A freight trailer that is not carrying a con-
tainer.
• Vehicle that has a protruding load from the
carrier.
• Obstacles that have low positions.
• Vehicle that is extremely stained.
• Vehicle or obstacle that is covered with
snow.
• A large mesh screen fence.
• Moving object
• When there is a loud noise or a ultrasonic
near your vehicle by horn of other vehicle,
engine sound of a motorcycle, air brake
noise of a large vehicle, a vehicle detector
and sonar of a vehicle etc..
• When an electrical equipment on the mar-
ket (radio antenna etc.) is installed near the
sensor.
• The vehicle is the specific shape such as the
carrier car.
• Obstacles that have irregular surface.
• Obstacles that have the shape of the pole
such as the road marker or the streetlight.
• Obstacles that exists in the high position
from the ground.
• Obstacles that are soft and absorb ultra-
sonic easily, such as spongy material or
snow.
• Obstacles that are shaped with a sharp
angle.
• A wall surface is not flat
• When there is a obstacle that is not recog-
nized between your vehicle and the obsta-
cle that can be recognized.
CAUTION
NOTE
The sensors do not detect objects located in
the area directly below or near the bumper. If
the height of an object is lower than the
mounted position of the sensors, the sensors
may not continue detecting it even if they
detected it initially.
To turn on/off the Ultrasonic
misacceleration Mitigation Sys-
tem