Nissan Titan. Instruction — part 548
SRS AIR BAG SYSTEM
SRC-7
< SYSTEM DESCRIPTION >
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SRS Component Parts Location
INFOID:0000000009882860
Driver Air Bag Module
INFOID:0000000009882861
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.
Side curtain air bag modules
2.
Front RH side air bag module
3.
RH side air bag (satellite) sensor
4.
Front RH seatbelt pre-tensioner
5.
Belt tension sensor
6.
Occupant classification system sensor
7.
Occupant classification system con-
trol unit
8.
Front passenger air bag off indi-
cator
9.
Front passenger air bag module
10. Crash zone sensor
11. Air bag warning lamp
12. Spiral cable
13. Driver air bag module
14. Front LH seatbelt pre-tensioner 15. LH side air bag (satellite) sensor
16. Front LH side air bag module
17. Air bag diagnosis sensor unit
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SRC-8
< SYSTEM DESCRIPTION >
SRS AIR BAG SYSTEM
Front Passenger Air Bag Module
INFOID:0000000009882862
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
INFOID:0000000009882863
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
INFOID:0000000009882864
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:0000000009882865
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
< SYSTEM DESCRIPTION >
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Direct-connect SRS Component Connectors
INFOID:0000000009882866
DIRECT CONNECT
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.
SLIDE DOUBLE LOCKING
• A new style slide double locking type connector is used on certain systems and components, especially
those related to airbag control systems.
• The slide double locking type connectors help prevent incomplete locking and accidental looseness or dis-
connection.
• The slide double locking type connectors are disconnected by pushing or pulling the slider. Refer to the fig-
ure below.
CAUTION:
• Do not pull the harness or wires when disconnecting the connector.
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SRC-10
< SYSTEM DESCRIPTION >
OCCUPANT CLASSIFICATION SYSTEM
OCCUPANT CLASSIFICATION SYSTEM
System Diagram
INFOID:0000000009882867
Occupant Classification System (OCS)
INFOID:0000000009882868
The occupant classification system (OCS) identifies different size occupants, out of position occupants, and
detects if child seat is present in the front passenger seat. The OCS receives inputs from the occupant classi-
fication sensor (located inside the passenger seat cushion assembly) and belt tension sensor (part of the pas-
senger front seat belt assembly and located at the belt anchor location). Depending on classification of the
passenger, the OCS sends a signal to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit
uses this signal and the seat belt buckle switch RH signal to determine deployment or non deployment of the
passenger front air bag in the event of a collision. Depending on the signals received, the air bag diagnosis
sensor unit can disable the passenger front air bag completely.
NOTE:
In case of customer concern, CONSULT can be used to confirm the passenger air bag status (readiness).
Passenger Air Bag Status Conditions
NOTE:
ALHIA0205GB
Front Passenger Seat
(Condition)
PASS AIR BAG OFF Indicator
(Status)
Passenger Air Bag Status
(Readiness)
CONSULT Display
Seat occupied
OFF
Active (enabled)
ON
Seat occupied
NOTE
ON
Deactivated (disabled)
OFF
Seat empty
OFF
Deactivated (disabled)
OFF
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