Nissan Pathfinder. Manual - part 1081

COMPONENT PARTS

SRC-9

< SYSTEM DESCRIPTION >

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Front Door Satellite Sensor

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The front door satellite sensors are located in the driver and passen-

ger doors. The front door satellite sensors send signals to the air bag

diagnosis sensor unit during a side collision. These sensors may be

identified by yellow connectors.

SRS Component Connectors

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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 air bag 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 >

SYSTEM

SYSTEM

SRS AIR BAG SYSTEM
SRS AIR BAG SYSTEM : System Diagram

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SRS AIR BAG SYSTEM : System Description

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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

systems. For example, the driver air bag module, front passenger air bag module and front seat belt pre-ten-

sioners are activated in a frontal collision but not in a side collision.

SRS Collision Modes

OCCUPANT CLASSIFICATION SYSTEM

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SRS configuration

Frontal collision

Left side collision

Right side collision

Rollover

Drivers air bag module

x

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Front passenger air bag module

x

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Front LH seat belt pre-tensioner

x

—

—

x

Front RH seat belt pre-tensioner

x

—

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x

Front LH side air bag module

—

x

—

—

Front RH side air bag module

—

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x

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LH side curtain air bag module

—

x

—

x

RH side curtain air bag module

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—

x

x

SYSTEM

SRC-11

< SYSTEM DESCRIPTION >

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OCCUPANT CLASSIFICATION SYSTEM : System Diagram

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OCCUPANT CLASSIFICATION SYSTEM : System Description

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The occupant classification system (OCS) identifies different size occupants, out of position occupants, and

detects if a child seat is present in the front passenger seat. The OCS control unit (2) receives inputs from the

occupant classification sensors (1) (located inside the passenger seat cushion assembly). Depending on clas-

sification 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 (passenger seat) 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. The OCS

(weight sensors) must be set to zero point using CONSULT after servicing the OCS system.

NOTE:

• CONSULT can be used to confirm when “zero point reset” for OCS is complete.

• Always perform zero point reset after the removal and installation of the seat or when disconnecting the

OCS control unit harness connector even if zero point reset has been completed in the past.

• If zero point reset is incomplete, the passenger air bag will be disabled and the passenger air bag off indica-

tor will be ON.

• In case of customer concern, CONSULT can be used to confirm the passenger air bag status (readiness).

Passenger Air Bag Status Conditions

NOTE:
Passenger does not meet Occupant Classification System specifications for passenger air bag activation.

Active Vent Function

When air bag diagnosis sensor unit has identified that the front passenger is not sitting in a suitable position,

the vent on the front passenger air bag module is opened. The pressure will be vented/released for the pas-

sengers safety.

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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

SRC-12

< SYSTEM DESCRIPTION >

SYSTEM

SEAT BELT WARNING LAMP SYSTEM
SEAT BELT WARNING LAMP SYSTEM : System Diagram

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