Nissan GT-R. Manual - part 297

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< SYSTEM DESCRIPTION >

SRS AIR BAG SYSTEM

Component Parts Location

INFOID:0000000009162962

Component Description

INFOID:0000000009162963

1.

Front passenger air bag module

2.

Driver air bag module

3.

Combination switch (Spiral cable)

4.

LH/RH satellite sensor

5.

Front LH/RH seat belt pre-tensioner

6.

Seat belt buckle switch (Driver side/
Passenger side)

7.

Air bag diagnosis sensor unit

8.

Front LH/RH side air bag module

9.

Crash zone sensor

10. LH/RH side curtain air bag module

11.

Combination meter (air bag warning 
lamp)

12. Front passenger air bag OFF indica-

tor

13. Occupant Classification System con-

trol unit

14. Occupant Classification System seat 

sensor

A.

View from vehicle side

B.

Passenger front seat

JMHIA0772ZZ

SRS AIR BAG SYSTEM

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< SYSTEM DESCRIPTION >

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Component

Function

Air bag diagnosis sensor unit

Detects a collision and supplies power supply for deployment to air bag module and 
pre-tensioner seat belt.

Air bag module
• Driver
• Passenger
• Front side
• Side curtain

Receives signal from air bag diagnosis sensor unit and deploys air bag.

Front seat belt pre-tensioner

Receives signal from air bag diagnosis sensor unit and deploys pre-tensioner seat 
belt.

Seat belt buckle switch

Controls deployment timing depending on the seat belt condition that is fastened or 
unfastened.

Crash zone sensor

Transmits signal to air bag diagnosis sensor unit when a frontal collision occurs.

Satellite sensor (LH/RH)

Transmits signal to air bag diagnosis sensor unit when a side collision occurs.

Occupant Classification System control unit

Detects front passenger seat occupant and judges whether or not deploys front pas-
senger seat air bag.

Combination meter (air bag warning lamp)

Indicates air bag malfunctioning and deployment by blinking and illuminating air bag 
warning lamp.

Front passenger air bag OFF indicator

Indicates whether or not front passenger air bag is in activation mode subject to the 
judgement by Occupant Classification System control unit.

Combination switch (spiral cable)

Supplies power supply to driver air bag module on steering wheel.

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< SYSTEM DESCRIPTION >

OCCUPANT CLASSIFICATION SYSTEM

OCCUPANT CLASSIFICATION SYSTEM

System Diagram

INFOID:0000000009162964

OCCUPANT CLASSIFICATION SYSTEM

System Description

INFOID:0000000009162965

THIS OCCUPANT CLASSIFICATION SYSTEM HAS THE FOLLOWING FUNCTION.

• Suppress the deployment of front passenger air bag when front passenger seat is empty, or when occupied

by child and child-seat. Turns on front passenger air bag OFF indicator when front passenger seat is occu-
pied by child-seat and child.

• Indicates malfunction portion with blinking times of air bag warning lamp in diagnosis mode.
• Indicates the malfunctioning record by CONSULT.
NOTE:
Operation of air bag diagnosis sensor unit when air bag diagnosis sensor unit receives information from Occu-
pant Classification System

JMHIA0673GB

Status (front passenger 
seat)

Passenger air bag

Front passenger air 
bag OFF indicator

Air bag warning lamp

Seat belt warning lamp 
(when front passenger 
seat is unbuckled)

Empty

Suppress

OFF

OFF

OFF

Child/ child-seat

Suppress

ON

OFF

ON

Adult

Enable to deploy

OFF

OFF

ON

Malfunction

Suppress

ON

Blinking

OFF

OCCUPANT CLASSIFICATION SYSTEM

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Component Parts Location

INFOID:0000000009162966

1. Air bag diagnosis sensor unit

2. Occupant Classification System con-

trol unit

3. Occupant Classification System seat 

sensor mat

4. Passenger air bag OFF indicator

A. View with rear console assembly re-

moved

B. Front passenger seat

Component parts

Outline of function

Occupant Classification System seat 
sensor mat

Detects if the passenger seat is empty or occupied

Occupant Classification System control 
unit

Transmits the passenger seat status (occupied or empty) to air bag diagnosis sensor unit

Front passenger air bag OFF indicator

Turns the front passenger air bag OFF indicator lamp ON when the front passenger seat is 
occupied by a child or a child-seat

Air bag diagnosis sensor unit

Performs the deploy judgement of passenger air bag based on the information from Occu-
pant Classification System control unit

JMHIA0773ZZ