Nissan GT-R. Manual — part 296
OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
SR-27
< REMOVAL AND INSTALLATION >
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OCCUPANT CLASSIFICATION SYSTEM CONTROL UNIT
Removal and Installation
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For removal and installation
The occupant classification system control unit and seat sensor mat are an integral part of the front passenger
seat cushion and are replaced as an assembly. Refer to
SRC-1
RESTRAINTS
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SECTION
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CONTENTS
SRS AIRBAG CONTROL SYSTEM
SYSTEM DESCRIPTION . . . . . . . ..
SRS AIR BAG SYSTEM . . . . . . . . . ..
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ....
Component Description . . . . . . . . . . .....
OCCUPANT CLASSIFICATION SYSTEM . . ..
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ....
DIAGNOSIS SYSTEM (AIRBAG) . . . . . ...
Diagnosis Description . . . . . . . . . . . ...
Air Bag Warning Lamp Diagnosis . . . . . . .....
ECU DIAGNOSIS INFORMATION . . . ..
DIAGNOSIS SENSOR UNIT . . . . . . . .
Wiring Diagram - SRS AIR BAG CONTROL SYS-
TEM - . . . . . . . . . . . . . . . . . ...
PRECAUTION . . . . . . . . . . . ..
PRECAUTIONS . . . . . . . . . . . . .
Service . . . . . . . . . . . . . . . . . .
SRC-2
< SYSTEM DESCRIPTION >
SRS AIR BAG SYSTEM
SYSTEM DESCRIPTION
SRS AIR BAG SYSTEM
System Diagram
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System Description
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This SRS Air Bag System has the following functions.
• Detects a collision and supplies the energy for deploying air bag and seat belt pre-tensioner.
• Detects electrical malfunction in SRS Air Bag System and Seat Belt Pre-tensioner System, records malfunc-
tion code, and blinking air bag warning lamp.
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SRS AIR BAG SYSTEM
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< SYSTEM DESCRIPTION >
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• Detects and records the deployment of air bag and seat belt pre-tensioner, and turns ON air bag warning
lamp.
• Indicates malfunctioning portion with blinking times of air bag warning lamp in diagnosis mode.
• Indicates the malfunction record by CONSULT.
• Suppress the deployment of front passenger air bag when front passenger seat is empty or is occupied by a
child or a child-seat.
• When passenger seat is occupied by a child or a child seat, turns ON front passenger air bag OFF indicator.
• When judges that passenger seat is occupied by a adult or a child and passenger seat belt is not fasten,
turns ON seat belt warning lamp.
COLLISION MODE
• The operation of supplemental restraint system is different depending on the collision modes applications.
For example, the driver air bag module, front passenger air bag module and front seat belt pre-tensioner are
activated in a frontal collision but not in a side collision.
• SRS configurations that are activated for some collision modes are as per the following.
×
: Apply
—: Not apply
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
—
×
—
Front RH side air bag module
—
—
×
LH side curtain air bag module
—
×
—
RH side curtain air bag module
—
—
×
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