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SRS Components
Airbags
Front Passenger’s Weight Sensors
Driver’s Seat Position Sensor
24-35
System Description
AB
C
D
EF
M
E
I G J
F
L
L
G
H
O N
The SRS is a safety device which, when used with the seat belt, is designed to help protect the driver and front
passenger in a frontal impact exceeding a certain set limit. The system consists of the SRS unit, including safing
sensor and impact sensor (A), the cable reel (B), the driver’s airbag (C), the front passenger’s airbag (D), side airbags
(E), side curtain airbags (F), seat belt tensioners (G), seat belt buckle tensioners (H), side impact sensors (first) (I), front
impact sensors (J), rear safing sensor (K) and side impact sensors (second) (L).
Since the driver’s and front passenger’s airbags use the same sensors, both normally inflate at the same time.
However, it is possible for only one airbag to inflate. This can occur when collision severity is near the threshold for
airbag deployment. In such cases, the SRS system will only deploy airbags when the protection provided by the seat
belt is insufficient.
The front passenger’s weight sensors (M) are part of seat base. The front passenger’s weight sensors detect the
weight on the seat, and send the information to the ODS unit (N). If the total weight is about 30 kg (65 lbs) or less, the
ODS unit sends a signal to the SRS unit to prevent the passenger’s airbag from deploying. When the passenger’s
airbag is disabled, the passenger airbag cutoff indicator on the center panel comes on to alert the driver that the front
passenger’s airbag will not deploy in a front-end collision.
The driver’s seat position sensor (O) is under the driver’s seat on the left side. When the driver’s seat is moved to its
full forward position, the deployment of the driver’s airbag is moderated to decrease its force of impact during a front-
end collision.
(cont’d)
08/08/21 13:55:33 61SNR030_240_0035
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