Nissan Murano. Manual - part 1290

SRC-8

< SYSTEM DESCRIPTION >

[FOR USA AND CANADA]

SRS AIR BAG SYSTEM

• Indicates malfunctioning portion with blinking times of air bag warning lamp in diagnosis mode.
• Indicates the malfunction record via CONSULT.
• Suppresses the deployment of passenger air bag when passenger seat is empty or occupied by child or

child-seat.

• When passenger seat is occupied by child or child seat, turns ON 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. Further information for the seat belt warning system, refer to 

SRC-13,

"System Description"

.

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

Rear collision

Left side colli-

sion

Right side colli-

sion

Roll over

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

—

—

—

×

×

Collision detection output func-
tion

×

×

×

×

×

SRS AIR BAG SYSTEM

SRC-9

< SYSTEM DESCRIPTION >

[FOR USA AND CANADA]

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Component Parts Location

INFOID:0000000009718467

Component Description

INFOID:0000000009718468

1.

Front passenger air bag module 

2.

Driver air bag module

3.

Combination switch (Spiral cable) 

4.

Front passenger air bag OFF indica-
tor

5.

Air bag diagnosis sensor unit

6.

Satellite sensor (LH/RH)

7.

Front seat belt pre-tensioner (LH/
RH)

8.

Seat belt buckle switch (Driver side/
Passenger side)

9.

Front side air bag module (LH/RH)

10. Side curtain air bag module

11.

Crash zone sensor

12. Occupant Classification System seat 

sensor mat

13. Occupant Classification System con-

trol unit

JMHIA0493ZZ

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
• Side
• Curtain

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

Seat belt pre-tensioner

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

Seat belt buckle switch

Controls deployment timing based on seat belt fastened or unfastened condition.

Crash zone sensor

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

SRC-10

< SYSTEM DESCRIPTION >

[FOR USA AND CANADA]

SRS AIR BAG SYSTEM

Satellite sensor (LH/RH)

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

Occupant Classification System control unit

Detects passenger seat occupant and judges whether or not passenger seat air bag 
is deployed.

Combination meter (air bag warning lamp)

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

Passenger air bag OFF indicator

Indicates whether or not passenger air bag is in the activation mode based on the 
judgement of Occupant  Classification System.

Combination switch (spiral cable)

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

Component

Function

OCCUPANT CLASSIFICATION SYSTEM

SRC-11

< SYSTEM DESCRIPTION >

[FOR USA AND CANADA]

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OCCUPANT CLASSIFICATION SYSTEM

System Diagram

INFOID:0000000009718469

OCCUPANT CLASSIFICATION SYSTEM

System Description

INFOID:0000000009718470

This Occupant Classification System (OCS) has the following function.

1.

Suppress the deployment of passenger air bag when passenger seat is empty, or when occupied by child
and child-seat. Turns on passenger air bag OFF indicator (Cut-off telltale) when passenger seat is occu-
pied by child-seat and child.

2.

Indicates malfunction portion with blinking times of air bag warning lamp in diagnosis mode.

3.

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 (OCS)

Component Parts Location

INFOID:0000000009718471

JMHIA0496GB

Status (front passenger 
seat)

Passenger air bag

Passenger air bag 

OFF indicator (Cut-off 

telltale)

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

JMHIA0494ZZ