Infiniti G37 Coupe. Manual - part 1190

SRC-10

< FUNCTION DIAGNOSIS >

OCCUPANT CLASSIFICATION SYSTEM

OCCUPANT CLASSIFICATION SYSTEM

System Diagram

INFOID:0000000001694475

OCCUPANT CLASSIFICATION SYSTEM

System Description

INFOID:0000000001694476

This Occupant Classification System has the following function.

1.

Supprees 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 occupied
by child-seat and child. {Occupant Classification System (OCS).}

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 ACU when ACU receives information from Occupant Classification System (OCS)

Component Parts Location

INFOID:0000000001694477

JMHIA0023GB

Status (Front passenger 
seat)

Passenger Air bag

Passenger Air bag off 

indicator (Cut-off tell-

tale)

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

Trouble

Suppress

On

Blinking

Off

JMHIA0001ZZ

OCCUPANT CLASSIFICATION SYSTEM

SRC-11

< FUNCTION DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

Component Description

INFOID:0000000001694478

Component Parts

• OCS control unit, Seat sensor mat. Refer to 

SRC-29, "Description"

.

• Passenger air bag OFF indicator (cut-off telltale). Refer to 

SRC-31, "Description"

.

1. OCS control unit

2. OCS seat sensor mat

3.

Passenger air bag OFF indicator (cut-
off telltale)

A. OCS harness connector

JMHIA0024GB

SRC-12

< FUNCTION DIAGNOSIS >

PASSENGER SEAT BELT WARNING SYSTEM

PASSENGER SEAT BELT WARNING SYSTEM

System Diagram

INFOID:0000000001694479

System Description

INFOID:0000000001694480

This Passenger Seat Belt Warning System has the following function.

1.

Turns ON  seat belt warning lamp (1), when the OCS judges
adult or child in the 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 seat belt buckle switch is not on,
This does not relate to the air bag sensor. (Refer to BCM.)

NOTE:
Operation of ACU when ACU receives information from Occupant Classification System (OCS)

JMHIA0025GB

JMHIA0003ZZ

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

Trouble

Suppress

On

Blinking

Off

PASSENGER SEAT BELT WARNING SYSTEM

SRC-13

< FUNCTION DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

Component Parts Location

INFOID:0000000001694481

SRS AIR BAG

Component Description

INFOID:0000000001694482

JMHIA0424ZZ

1. Front passenger air bag module

2. Driver air bag module

3. Spiral cable

4.

Passenger air bag off indicator 
(Cut-off telltale)

5. Diagnosis sensor unit (ACU)

6. Satellite sensor (LH/RH)

7.

Front seat belt pre-tensioner (LH/
RH)

8. Seat belt buckle switch (LH/RH)

9. Front side air bag module (LH/RH)

10. Curtain air bag module

11. Crash zone sensor

12. OCS seat sensor mat

13. OCS control unit

JMHIA0026GB