SEAT BELT WARNING ALARM CONSTRUCTION/OPERATION


id092200101800


Front Seat Belt


System wiring diagram

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1
Instrument cluster
2
Microcomputer
3
Timer
4
AND
5
CAN control circuit
6
Buzzer
7
SAS control module
8
Buckle switch (driver-side)
9
Buckle switch (passenger-side)
10
Occupancy sensor


Operation

•  The buzzer in the instrument cluster sounds for 93 s when all the following two conditions are met:
―  The seat belt (driver-side or passenger-side) is unfastened (driver-side: buckle switch is on, passenger-side: buckle switch is on and occupancy sensor is on).
―  The vehicle speed is 20 km/h {12.4 mph} or more.


Rear Seat Belt


Construction

•  Installed on the installation area of the rear view mirror.
•  The indicator and the buzzer are built-in corresponding to the seat belt for each rear seat.
am3zzn00000743

1
Rear seat belt reminder indicator
2
Passenger-side seat belt (controlled by instrument cluster)
3
Rear left seat belt
4
Rear center seat belt
5
Rear right seat belt


System wiring diagram

am3zzn00000744

1
Instrument cluster
2
Generator warning light
3
Microcomputer
4
Rear seat belt reminder indicator
5
Passenger seat belt reminder indicator
6
Buzzer
7
Rear left seat belt indicator
8
Rear center seat belt indicator
9
Rear right seat belt indicator
10
Red (unfastened)
11
Green (fastened)
12
Buckle switch (rear left)
13
Buckle switch (rear center)
14
Buckle switch (rear right)


Operation

•  After the ignition switch is turned to the ON position, each indicator illuminates continuously while the generator warning light is illuminating.
―  Indicator color when the seat belt is fastened (buckle switch is off): Green
―  Indicator color when the seat belt is not fastened (buckle switch is on): Red
•  Each indicator turns off if the condition corresponds to any of the following:
―  When the ignition switch is in the LOCK position.
―  When approx. 40 s have elapsed since the generator warning light turned off.
•  If the buckle switch signal changes (on to off, or off to on) with the ignition switch in the ON position and the indicator is not illuminated, the corresponding seat belt indicator illuminates. In addition, when the buckle switch is changed from off to on (seat belt is not fastened), the buzzer inside the rear seat belt reminder indicator sounds for approx. 0.5 s to alert the driver.
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1
Ignition switch
2
Rear seat belt buckle switch
3
Indicator
4
Generator warning light
5
Buzzer
6
On
7
Off
8
Off (seat belt fastened)
9
On (seat belt unfastened)
10
Illuminated (green)
11
Illuminated (red)
12
Not illuminated
13
Approx. 40 s
14
Less than approx. 40 s
15
Approx. 0.5 s