Infiniti EX35. Manual — part 1346

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< FUNCTION DIAGNOSIS >

OCCUPANT CLASSIFICATION SYSTEM

OCCUPANT CLASSIFICATION SYSTEM

System Diagram

INFOID:0000000003591506

OCCUPANT CLASSIFICATION SYSTEM

System Description

INFOID:0000000003591507

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

1.

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

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:0000000003591508

JMHIA0586GB

Status (front passenger
seat)

Passenger air bag

Front 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

JMHIA0553ZZ

OCCUPANT CLASSIFICATION SYSTEM

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< FUNCTION DIAGNOSIS >

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Component Description

INFOID:0000000003591509

1. Occupant classification system

control unit B214

2. OCS seat sensor mat

3. Passenger air bag OFF indicator M73

A. Occupant classification system

control unit harness connector
B202, B261

JMHIA0554GB

Component parts

Outline of function

OCS 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

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< FUNCTION DIAGNOSIS >

PASSENGER SEAT BELT WARNING SYSTEM

PASSENGER SEAT BELT WARNING SYSTEM

System Diagram

INFOID:0000000003591510

System Description

INFOID:0000000003591511

This Passenger Seat Belt Warning System has the following function.

Turns ON seat belt warning lamp, when the Occupant Classification System (OCS) judges adult or child in the
front passenger seat and the passenger seat belt buckle switch is not on.
NOTE:
In addition, a seat belt warning lamp illuminates and a seat belt alarm sounds, when the driver side seat belt
buckle switch is not on, This does not relate to the air bag diagnosis sensor unit. (Refer to BCM.)
NOTE:
Operation of air bag diagnosis sensor unit when air bag diagnosis sensor unit receives information from Occu-
pant Classification System (OCS)

JMHIA0498GB

Status (front passenger
seat)

Passenger air bag

Front 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

PASSENGER SEAT BELT WARNING SYSTEM

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Component Parts Location

INFOID:0000000003591512

Component Description

INFOID:0000000003591513

1. Combination meter (Seat belt

warning lamp) M35

2. Seat belt buckle switch (Driver side) B13

3. Seat belt buckle switch (Passenger

side) B213

A. Combination meter

B. Driver side

C. Passenger side

JMHIA0557ZZ

JMHIA0499GB

Component parts

Outline of function

Seat belt buckle switch (Driver side)

Detects if the driver side seat belt is fastened or unfastened
NOTE:
Lighting of a seat belt warning lamp and a seat belt alarm are outputted when the seat
belt buckle switch (driver side) is not put on, but it does not relate to an air bag diag-
nosis sensor unit

Seat belt buckle switch (Passenger side)

Detects if the seat belt buckle switch (passenger side) is fastened or unfastened

Seat belt warning lamp

Turns the seat belt warning lamp ON when the seat belt is unfastened