Infiniti G37 Coupe. Manual - part 1073

SB-14

< ON-VEHICLE REPAIR >

TOP TETHER STRAP CHILD RESTRAINT

TOP TETHER STRAP CHILD RESTRAINT

Exploded View

INFOID:0000000001728797

Removal and Installation

INFOID:0000000001728798

REMOVAL

CAUTION:

Replace anchor bolts if they are deformed or worn out. 

1.

Remove the top tether strap child restraint cover. Refer to 

INT-17, "Removal and Installation"

.

2.

Remove the top tether strap child restraint.

INSTALLATION

Install in the reverse order of removal.

1.

Anchor bolt

2.

Anchor plate

3.

Spacer

4.

Fiber washer

Refer to 

GI-4, "Components"

 for symbols in the figure.

JMHIA0436GB

SBC-1

RESTRAINTS

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G

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SECTION 

SBC

A

B

SBC

N

O

P

CONTENTS

SEAT BELT CONTROL SYSTEM

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

3

DIAGNOSIS AND REPAIR WORKFLOW  ..........

3

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

3

FUNCTION DIAGNOSIS ...............................

6

SEAT BELT TENSION REDUCER SYSTEM .....

6

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

6

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

6

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

7

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

7

PRE-CRASH SEAT BELT SYSTEM  ...................

8

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

8

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

8

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

10

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

10

ON BOARD DIAGNOSTIC (OBD) SYSTEM ......

11

Diagnosis Description  .............................................

11

CONSULT-III Function  ............................................

11

COMPONENT DIAGNOSIS  .........................

13

U1000 CAN COMM CIRCUIT .............................

13

Description ..............................................................

13

DTC Logic  ...............................................................

13

B2451 SB MOTOR RH CIRC  .............................

14

Description ..............................................................

14

DTC Logic  ...............................................................

14

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

14

Component Inspection  ............................................

14

B2452 SB MOTOR LH CIRC  .............................

16

Description ..............................................................

16

DTC Logic  ...............................................................

16

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

16

Component Inspection  ............................................

16

B2453 BR STROK SEN CIRC  ...........................

18

Description ...............................................................

18

DTC Logic ................................................................

18

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

18

Component Inspection .............................................

19

B2454 MOTOR PWR SUP CIRC  ......................

20

Description ...............................................................

20

DTC Logic ................................................................

20

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

20

B2455 PSB C/U INT CIRCUIT  ..........................

21

Description ...............................................................

21

DTC Logic ................................................................

21

BRAKE PEDAL STROKE SENSOR SHIELD 
WIRE CIRCUIT CHECK  ....................................

22

Description ...............................................................

22

Component Function Check  ....................................

22

SEAT BELT BUCKLE SWITCH (DRIVER 
SIDE) CIRCUIT CHECK ....................................

23

Description ...............................................................

23

Component Function Check  ....................................

23

Component Inspection (Driver seat belt buckle 
switch) .....................................................................

23

Component Inspection (Driver seat belt buckle 
switch ground circuit) ...............................................

24

SEAT BELT BUCKLE SWITCH (PASSEN-
GER SIDE) CIRCUIT CHECK  ...........................

25

Description ...............................................................

25

Component Function Check  ....................................

25

Component Inspection (Passenger seat belt buck-
le switch) ..................................................................

25

Component Inspection (Passenger seat belt side 
buckle switch ground circuit)  ...................................

26

IGNITION POWER SUPPLY CIRCUIT 
CHECK ..............................................................

27

Description ...............................................................

27

Component Function Check  ....................................

27

SBC-2

PRE-CRASH SEAT BELT CONTROL UNIT 
GROUND CIRCUIT CHECK  ..............................

28

Description ..............................................................

28

Component Function Check  ...................................

28

ECU DIAGNOSIS  ........................................

29

PRE-CRASH SEAT BELT CONTROL UNIT  .....

29

Reference Value  .....................................................

29

Fail Safe  .................................................................

30

DTC Index  ..............................................................

30

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

31

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

36

PRE-CRASH SEAT BELT SYSTEM  .................

36

Description ..............................................................

36

Symptom Table  ......................................................

36

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

37

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

37

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

37

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

37

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

38

ON-VEHICLE MAINTENANCE ..................

39

BRAKE PEDAL STROKE SENSOR  .................

39

Exploded View  ........................................................

39

Removal and Installation .........................................

39

PRE-CRASH SEAT BELT CONTROL UNIT .....

40

Exploded View  ........................................................

40

Removal and Installation .........................................

40

DIAGNOSIS AND REPAIR WORKFLOW

SBC-3

< BASIC INSPECTION >

C

D

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A

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SBC

N

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000001711963

1.

GET INFORMATION FOR SYSTEM

Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much as possible when the customer brings the vehicles in.

>> GO TO 2.

2.

STUDY AND UNDERSTAND THE SYSTEM DESCRIPTION

Understand the operation condition or non-operation condition of pre-crash seat belt. Refer to 

SBC-8, "System

Description"

.

>> GO TO 3.

JMHIA0429GB