Nissan Altima L32. Instruction — part 1369
SRC-6
< FUNCTION DIAGNOSIS >
SRS AIR BAG SYSTEM
FUNCTION DIAGNOSIS
SRS AIR BAG SYSTEM
SRS Configuration
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The air bag deploys if the air bag diagnosis sensor unit is activated while the ignition switch is in the ON or
START position.
The collision modes for which supplemental restraint systems are activated are different among the SRS sys-
tems. For example, the driver air bag module, front passenger air bag module and front seat belt pre-tension-
ers are activated in a frontal collision but not in a side collision.
SRS configurations for some collision modes are as follows:
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SRS configuration
Frontal collision
Left side collision
Right side collision
Driver air bag module
×
—
—
Front passenger air bag module
×
—
—
Front LH seat belt pre-tensioner
×
—
—
Front RH seat belt pre-tensioner
×
—
—
Front LH side air bag module (if equipped)
—
×
—
Front RH side air bag module (if equipped)
—
—
×
LH side curtain air bag module (if equipped)
—
×
—
RH side curtain air bag module (if equipped)
—
—
×
SRS AIR BAG SYSTEM
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< FUNCTION DIAGNOSIS >
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SRS Component Parts Location
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Driver Air Bag Module
INFOID:0000000004205337
The driver air bag module is dual stage and located in the steering
wheel assembly. It operates with the SRS system in a frontal colli-
sion exceeding a specified level.
1.
Crash zone sensor
2.
Spiral cable
3.
Front passenger air bag off indicator
(if equipped)
4.
Front LH seatbelt pre-tensioner
LH side air bag (satellite) sensor
(if equipped)
5.
Air bag diagnosis sensor unit
6.
Front LH side air bag module
(if equipped)
7.
Seat belt buckle switch (LH)
Seat belt buckle switch (RH)
8.
Occupant classification system
control unit and sensor mat
(if equipped)
9.
Front RH seatbelt pre-tensioner
RH side air bag (satellite) sensor
(if equipped)
10. Front RH side air bag module
(if equipped)
11. RH side curtain air bag module
(if equipped)
12. LH side curtain air bag module
(if equipped)
13. Front passenger air bag module
14. Driver air bag module
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SRC-8
< FUNCTION DIAGNOSIS >
SRS AIR BAG SYSTEM
Front Passenger Air Bag Module
INFOID:0000000004205338
The front passenger air bag module is located behind the instrument
panel assembly. It operates with the SRS system in a frontal colli-
sion exceeding a specified level. Refer to
for more information.
Front Side Air Bag
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Front side air bag modules are built into the front seatback assem-
blies. Vehicles with side air bags are equipped with labels as shown.
Side Curtain Air Bag
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Side curtain air bag modules are located above the vehicle headlining.
Vehicles with side curtain air bags are equipped with labels as
shown.
Front Seat Belt Pre-tensioner with Load Limiter
INFOID:0000000004205341
The seat belt pre-tensioner system with load limiter is installed for
both the driver's seat and the front passenger's seat. It operates
simultaneously with the SRS air bag system in the event of a frontal
collision with an impact exceeding a specified level.
When the frontal collision with an impact exceeding a specified level
occurs, seat belt slack resulting from clothing or other factors is
immediately taken up by the pre-tensioner. Vehicle passengers are
securely restrained.
When passengers in a vehicle are thrown forward in a collision and
the restraining force of the seat belt exceeds a specified level, the
load limiter permits the specified extension of the seat belt by the
twisting of the ELR shaft, and a relaxation of the chest-area seat belt
web tension while maintaining force.
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SRS AIR BAG SYSTEM
SRC-9
< FUNCTION DIAGNOSIS >
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Direct-connect SRS Component Connectors
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The following SRS components use direct-connect style harness connectors.
• Driver front air bag module
• Passenger front air bag module
• LH side curtain air bag module
• RH side curtain air bag module
• Front LH seat belt pre-tensioner
• Front RH seat belt pre-tensioner
Always pull up to release locking tab prior to removing connector from SRS component.
Always push down to lock locking tab after installing connector to
SRS component. When locked, the locking tab is level with the con-
nector housing.
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