Advertisement
WARNING
This system detects the condi-
●
tion of the driver through the
operation of the steering wheel.
This system may operate if the
driver is aware but intentionally
and continuously does not oper-
ate the vehicle. Also, the system
may not operate if it cannot
determine that the driver is not
responsive, such as if they are
leaning on the steering wheel.
Situations in which the driver
●
monitor may not operate prop-
erly (vehicles with a driver moni-
tor):
P.241
Summary of the system
Operation of this system is sep-
arated into 4 control states.
Through control state "Warning
phase 1" and "Warning phase
2", the system determines if the
driver is aware and responsive
while outputting a warning and
controlling the vehicle speed. If
the system determines the
driver is not responsive, it will
operate in control state "Decel-
eration stop phase" and "Stop
hold phase" and decelerate and
stop the vehicle. It will then
operate continuously in "Stop
hold phase".
Operating conditions
■
This system operates when all of
the following conditions are met:
When the LTA is on
●
Or during the Traffic Jam Assist con-
trols (if equipped)
When the vehicle speed is
●
4-5. Using the driving support systems
approximately 30 mph (50 km/h)
or more
During the Traffic Jam Assist (if
equipped) controls, the system may
operate at below 30 mph (50 km/h).
Operation cancelation condi-
■
tions
In the following situations, system
operation will be canceled:
When LTA control has been
●
canceled (the LTA switch has
been pressed, etc.)
When the dynamic radar cruise
●
control has been canceled
When driver operations are
●
detected (the steering wheel is
held, the brake pedal, accelerator
pedal, parking brake, hazard light
switch, or turn signal lever is oper-
ated)
When the driving assist switch is
●
pressed while in the stop and hold
phase
When the engine switch has been
●
turned from ON to off
Situations in which some or all of
●
the functions of the system cannot
operate: P.241
LTA control when operation is
■
canceled
When emergency driving stop sys-
tem operation is canceled, LTA con-
trol may also be canceled.
Warning phase 1
If driving operations are not
detected after the hands off
steering wheel warning oper-
ates, a buzzer will sound inter-
mittently and a message will be
displayed to warn the driver, and
the system will judge if the driver
is responsive or not. If driving
operations, such as holding the
299
4
Advertisement
