Nissan GT-R. Manual - part 260

 

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Nissan GT-R. Manual - part 260

 

 

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RESTRAINTS

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SECTION 

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CONTENTS

SEAT BELT CONTROL SYSTEM

BASIC INSPECTION  ....................................

2

DIAGNOSIS AND REPAIR WORK FLOW  .........

2

Work Flow  .................................................................

2

SYSTEM DESCRIPTION  ..............................

3

SEAT BELT WARNING SYSTEM .......................

3

System Diagram ........................................................

3

System Description  ...................................................

3

Component Parts Location ........................................

4

Component Description .............................................

4

DTC/CIRCUIT DIAGNOSIS  ..........................

5

SEAT BELT BUCKLE SWITCH  ..........................

5

DRIVER SIDE  ..............................................................

5

DRIVER SIDE : Description  ......................................

5

DRIVER SIDE : Component Function Check ............

5

DRIVER SIDE : Diagnosis Procedure  .......................

5

DRIVER SIDE : Component Inspection (Belt 
Buckle Switch) .........................................................
..

6

PASSENGER SIDE  .....................................................

6

PASSENGER SIDE : Description  .............................

6

PASSENGER SIDE : Component Function Check 

......

6

PASSENGER SIDE : Diagnosis Procedure  ..............

7

PASSENGER SIDE : Component Inspection (Belt 
Buckle Switch)  .........................................................
.

8

SEAT BELT WARNING LAMP  ..........................

9

Diagnosis Procedure  ................................................

9

SEAT BELT WARNING SYSTEM  ....................

10

Wiring Diagram - SEAT BELT WARNING SYS-
TEM - .......................................................................

10

ECU DIAGNOSIS INFORMATION ..............

11

DIAGNOSIS SENSOR UNIT  .............................

11

Wiring Diagram - SRS AIR BAG CONTROL SYS-
TEM - .......................................................................

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SYMPTOM DIAGNOSIS  ..............................

13

SEAT BELT WARNING LAMP DOES NOT 
TURN OFF .........................................................

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Diagnosis Procedure  ...............................................

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PRECAUTION ..............................................

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PRECAUTIONS .................................................

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Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................

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Precaution for Seat Belt Service ..............................

14

Precaution for Battery Service .................................

15

SBC-2

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORK FLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

INFOID:0000000009161807

DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain as much malfunction information (conditions and environment when the mal-
function occurred) as possible when the customer brings the vehicle in.

>> GO TO 2.

2.

REPRODUCE THE MALFUNCTION INFORMATION

Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.

>> GO TO 3.

3.

IDENTIFY THE MALFUNCTIONING SYSTEM WITH “SYMPTOM DIAGNOSIS”

Use “Symptom diagnosis” from the symptom inspection result in step 2 and then identify where to start per-
forming the diagnosis based on possible causes and symptoms.

>> GO TO 4.

4.

IDENTIFY THE MALFUNCTIONING PARTS WITH “COMPONENT DIAGNOSIS”

Perform the diagnosis with “Component diagnosis” of the applicable system.

>> GO TO 5.

5.

REPAIR OR REPLACE THE MALFUNCTIONING PARTS

Repair or replace the specified malfunctioning parts.

>> GO TO 6.

6.

FINAL CHECK

Check that the malfunction is not reproduced, referring to the symptom inspection result in step 2.
Are the malfunctions corrected?

YES

>> INSPECTION END

NO

>> GO TO 3.

SEAT BELT WARNING SYSTEM

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< SYSTEM DESCRIPTION >

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SYSTEM DESCRIPTION

SEAT BELT WARNING SYSTEM

System Diagram

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System Description

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• Turns ON seat belt warning lamp, when the Occupant Classification System judges adult or child in the front

passenger seat and the passenger seat belt buckle switch is OFF.

• Operation of air bag diagnosis sensor unit when air bag diagnosis sensor unit receives information from

Occupant Classification System.

• In addition, seat belt warning lamp illuminates, when the driver side seat belt is not fasten. This does not

relate to the air bag diagnosis sensor unit. 

• For driver seat belt function, refer to 

MWI-3, "METER SYSTEM : System Diagram"

JMHIA0794GB

Status (front passenger seat)

Seat belt warning lamp (When front passenger seat is unbuck-
led)

Empty

OFF

An object

OFF

Child/ child-seat

ON

Adult

ON

Malfunction

OFF

SBC-4

< SYSTEM DESCRIPTION >

SEAT BELT WARNING SYSTEM

Component Parts Location

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Component Description

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1.

Combination meter (Seat belt warn-
ing lamp)

2.

Seat belt buckle switch (Driver side)

3.

Seat belt buckle switch (Passenger 
side)

4.

Air bag diagnosis sensor unit

5.

Occupant Classification System con-
trol unit

6.

Occupant Classification System seat 
sensor

7.

Front passenger air bag OFF indica-
tor

A.

View with rear console assembly re-
moved

B.

Front passenger seat

JMHIA0795ZZ

Component parts

Outline of function

Seat belt buckle switch (Driver side)

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

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

Occupant Classification System control unit

Judges the passenger seat condition based on the information from Occupant Classi-
fication System control unit

Occupant Classification System seat sensor

Detects if the passenger seat is empty or occupied

Air bag diagnosis sensor unit

Turns ON seat belt warning lamp based on the information from Occupant Classifica-
tion System control 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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