Infiniti FX35, FX50 (S51). Manual - part 1601

SBC-62

< ECU DIAGNOSIS INFORMATION >

PRE-CRASH SEAT BELT CONTROL UNIT

JCHWA0392GB

PRE-CRASH SEAT BELT CONTROL UNIT

SBC-63

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

I

J

K

L

M

A

B

SBC

N

O

P

JCHWA0393GB

SBC-64

< ECU DIAGNOSIS INFORMATION >

PRE-CRASH SEAT BELT CONTROL UNIT

JCHWA0394GB

PRE-CRASH SEAT BELT DOSE NOT OPERATE

SBC-65

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SBC

N

O

P

SYMPTOM DIAGNOSIS

PRE-CRASH SEAT BELT DOSE NOT OPERATE

BOTH SIDES

BOTH SIDES : Diagnosis Procedure

INFOID:0000000005241779

1.

CHECK POWER SUPPLY AND GROUND CIRCUIT 

Check power supply and ground circuit. Refer to 

SBC-35, "Diagnosis Procedure"

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CONFIRM THE OPERATION 

Confirm the operation again.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-36, "Intermittent Incident"

.

NO

>> GO TO 1.

DRIVER SIDE

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000005241780

1.

CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) 

Check seat belt buckle switch (driver side). Refer to 

SBC-36, "PRE-CRASH SEAT BELT SYSTEM : Compo-

nent Function Check"

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CONFIRM THE OPERATION 

Confirm the operation again.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-36, "Intermittent Incident"

.

NO

>> GO TO 1.

PASSENGER SIDE

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000005241781

1.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check power supply and ground circuit. Refer to 

SBC-35, "Diagnosis Procedure"

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK SEAT BELT BUCKLE SWITCH (PASSENGER SIDE) 

Check seat belt buckle switch (passenger side). Refer to 

SBC-40, "PRE-CRASH SEAT BELT SYSTEM : Com-

ponent Function Check"

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CONFIRM THE OPERATION 

Confirm the operation again.
Is the inspection result normal?