LANE DEPARTURE WARNING SOUND

id151400001100


Purpose

•  The lane departure warning sound warns the user of a possible lane departure.

Function

Beep sound
•  If the instrument cluster receives a warning sound request signal from the radar unit, is sounds the lane departure warning sound using the buzzer in the instrument cluster.
•  The lane departure warning sound patterns are as shown in the figure.
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Rumble strip sound
•  For the lane departure warning sound on vehicles with the tuner and amp unit, refer to [LANE DEPARTURE WARNING SYSTEM (LDWS)]. (See LANE DEPARTURE WARNING SYSTEM (LDWS).)

Construction

•  The lane departure warning sound sounds using the buzzer built into the instrument cluster.

Operation


Beep sound

1.  The instrument cluster receives (1) the warning sound request signal from the radar unit.

2.  The instrument cluster turns the transistor on (2) based on the warning sound request signal.

3.  When the transistor turns on, a ground circuit with the alarm is established and the alarm sounds (3).

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Rumble strip sound

•  For operation with vehicles having tuner and amp unit, refer to LANE DEPARTURE WARNING SYSTEM (LDWS). (See LANE DEPARTURE WARNING SYSTEM (LDWS).)


Fail-safe

•  If the instrument cluster receives the following CAN signals when the lane departure warning sound is set at rumble, the lane departure warning sound is sounded using a beep.
―  Communication error signal with tuner and amplifier unit (TAU) from connectivity master unit (CMU)
―  Warning indication request signal from radar unit