Nissan Murano Z51. Manual - part 1360

 

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Nissan Murano Z51. Manual - part 1360

 

 

SRC-210

< DTC/CIRCUIT DIAGNOSIS >

[FOR MEXICO]

B1051, B1056 DRIVER AIRBAG MODULE

B1051, B1056 DRIVER AIRBAG MODULE

Description

INFOID:0000000005513736

DTC B1051, B1056 [GND-SHORT] DRIVER AIRBAG MODULE

For driver air bag module, crash is judged by main “G” sensor output signal and Safing algorithm in front direc-
tion.

OPERATION

In the case of a frontal collision whose acceleration exceeds the specified level, the ignition materials are
ignited by electric ignition system. The system burns and introduces the chemical reaction of gas generating
materials to generate hot gases that flow into the air bag through a filter and expand the bag.

STRUCTURE

Driver air bag module mainly consists of air bag and inflator which inflates air bag.

INSTALLATION

Driver air bag module is installed on the center of steering wheel with fixed bolts.

DTC Logic

INFOID:0000000005513737

DTC DETECTION LOGIC 

With CONSULT-lll

DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)

DTC CONFIRMATION PROCEDURE (With CONSULT-lll)

1.

INSPECTION START

Turn ignition switch ON.

>> GO TO 2.

2.

CHECK SELF-DIAG RESULT

Check the screen of CONSULT-lll.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-211, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)

NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.

1.

INSPECTION START

Turn ignition switch ON.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B1051
B1056

DRIVER AIRBAG MOD-
ULE 
[GND-SHORT]

Driver air bag module circuit is shorted 
to ground
(including the spiral cable)

• Disconnection of wiring harness and 

short

• Internal breakdown in driver air bag 

module

• Internal breakdown in spiral cable
• Internal breakdown in air bag diag-

nosis sensor unit

B1051, B1056 DRIVER AIRBAG MODULE

SRC-211

< DTC/CIRCUIT DIAGNOSIS >

[FOR MEXICO]

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

>> GO TO 2.

2.

CHECK AIR BAG WARNING LAMP

Check the air bag warning lamp status.

Is malfunctioning part detected?

YES

>> Refer to warning lamp flash code chart.

SRC-314

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000005513738

With CONSULT-lll

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3

minutes. (To discharge backup capacitor.)

• Do not use unspecified tester or other measuring device. 

DIAGNOSTIC PROCEDURE

1.

CHECK HARNESS CONNECTOR

Check the connection of harness connector.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace wiring harness.

3.

CHECK SPIRAL CABLE CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect driver side air bag module harness connector and body side harness connector.

3.

Check continuity between driver side air bag module harness connector and body side harness connec-
tor.

4.

Check continuity between driver side air bag module harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace spiral cable. Refer to 

SR-40, "Exploded View"

.

4.

CHECK DRIVER AIR BAG MODULE

1.

Replace driver air bag module.

2.

Check the screen of CONSULT-III.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> GO TO 1.

Driver side air bag module 

harness connector

Terminal

Body side harness 

connector

Terminal

Continuity 

M350

10

11

M32

28
30

Existed

Driver side air bag module harness con-

nector

Terminal

Ground

Continuity 

M350

10

11

Not existed

SRC-212

< DTC/CIRCUIT DIAGNOSIS >

[FOR MEXICO]

B1052, B1057 DRIVER AIRBAG MODULE

B1052, B1057 DRIVER AIRBAG MODULE

Description

INFOID:0000000005513739

DTC B1052, B1057 [SHORT] DRIVER AIRBAG MODULE

For driver air bag module, crash is judged by main “G” sensor output signal and Safing algorithm in front direc-
tion.

OPERATION

In the case of a frontal collision whose acceleration exceeds the specified level, the ignition materials are
ignited by electric ignition system. The system burns and introduces the chemical reaction of gas generating
materials to generate hot gases that flow into the air bag through a filter and expand the bag.

STRUCTURE

Driver air bag module mainly consists of air bag and inflator which inflates air bag.

INSTALLATION

Driver air bag module is installed on the center of steering wheel with fixed bolts.

DTC Logic

INFOID:0000000005513740

DTC DETECTION LOGIC

With CONSULT-lll

DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)

DTC CONFIRMATION PROCEDURE (With CONSULT-lll)

1.

INSPECTION START

Turn ignition switch ON.

>> GO TO 2.

2.

CHECK SELF-DIAG RESULT

Check the screen of CONSULT-lll.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-213, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)

NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.

1.

INSPECTION START

Turn ignition switch ON.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B1052
B1057

DRIVER AIRBAG MOD-
ULE 
[SHORT]

Driver air bag module circuit are shorted 
to each other
(including the spiral cable)

• Disconnection of wiring harness

and short

• Internal breakdown in driver air bag 

module

• Internal breakdown in spiral cable
• Internal breakdown in air bag diag-

nosis sensor unit

B1052, B1057 DRIVER AIRBAG MODULE

SRC-213

< DTC/CIRCUIT DIAGNOSIS >

[FOR MEXICO]

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

>> GO TO 2.

2.

CHECK AIR BAG WARNING LAMP

Check the air bag warning lamp status.

Is malfunctioning part detected?

YES

>> Refer to warning lamp flash code chart.

SRC-314

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000005513741

With CONSULT-lll

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3

minutes. (To discharge backup capacitor.)

• Do not use unspecified tester or other measuring device. 

DIAGNOSTIC PROCEDURE

1.

CHECK HARNESS CONNECTOR

Check the connection of harness connector.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace wiring harness.

3.

CHECK SPIRAL CABLE CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect driver side air bag module harness connector and body side harness connector.

3.

Check continuity between driver side air bag module harness connector and body side harness connec-
tor.

4.

Check continuity between driver side air bag module harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace spiral cable. Refer to 

SR-40, "Exploded View"

.

4.

CHECK DRIVER AIR BAG MODULE

1.

Replace driver air bag module.

2.

Check the screen of CONSULT-III.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> GO TO 1.

Driver side air bag module 

harness connector

Terminal

Body side harness 

connector

Terminal

Continuity 

M350

10

11

M32

28
30

Existed

Driver side air bag module harness con-

nector

Terminal

Ground

Continuity 

M350

10

11

Not existed

 

 

 

 

 

 

 

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