Nissan Murano. Manual - part 1296

SRC-32

< DTC/CIRCUIT DIAGNOSIS >

[FOR USA AND CANADA]

B0011 PASSENGER AIR BAG MODULE

Diagnosis Procedure

INFOID:0000000009718492

WARNING:

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

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

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

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE PASSENGER AIR BAG MODULE

1.

Replace passenger air bag module. Refer to 

SR-18, "Removal and Installation"

2.

Perform DTC confirmation procedure. Refer to 

SRC-31, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-31, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

B0020 SIDE AIR BAG MODULE

SRC-33

< DTC/CIRCUIT DIAGNOSIS >

[FOR USA AND CANADA]

C

D

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F

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K

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M

A

B

SRC

N

O

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B0020 SIDE AIR BAG MODULE

DTC Logic

INFOID:0000000009718493

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

 Without CONSULT

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to 

SRC-15, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-33, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009718494

WARNING:

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

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the harness connector.
Is the inspection result normal?

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

Possible cause

B0020

SIDE A/B MODULE LH 
[Left Side Airbag Deploy-
ment Control (Subfault)]

[OPEN]

Side air bag module LH 
circuit is open

• Connection malfunction or open 

circuit of harness and connector

• Internal malfunction of side air 

bag module LH

• Internal malfunction of air bag di-

agnosis sensor unit

[VB-SHORT]

Side air bag module LH 
circuit is shorted to pow-
er supply circuit

• Connection malfunction or short 

circuit to power supply of harness 
and connector

• Internal malfunction of side air 

bag module LH

• Internal malfunction of air bag di-

agnosis sensor unit

[GND-SHORT]

Side air bag module LH 
circuit is shorted to 
ground

• Connection malfunction or short 

circuit to ground of harness and 
connector

• Internal malfunction of side air 

bag module LH

• Internal malfunction of air bag di-

agnosis sensor unit

[SHORT]

Side air bag module LH 
circuits are shorted to 
each other

• Connection malfunction or short 

circuit of harness and connector

• Internal malfunction of side air 

bag module LH

• Internal malfunction of air bag di-

agnosis sensor unit

SRC-34

< DTC/CIRCUIT DIAGNOSIS >

[FOR USA AND CANADA]

B0020 SIDE AIR BAG MODULE

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3. 

NO

>> Replace wiring harness.

3.

REPLACE SIDE AIR BAG MODULE LH

1.

Replace side air bag module LH. Refer to 

SE-98, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-33, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4. 

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-33, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 1. 

NO

>> INSPECTION END

B0021 CURTAIN AIR BAG MODULE

SRC-35

< DTC/CIRCUIT DIAGNOSIS >

[FOR USA AND CANADA]

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

B0021 CURTAIN AIR BAG MODULE

DTC Logic

INFOID:0000000009718495

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

 Without CONSULT

1.

Turn ignition switch ON.

2.

Check the air bag warning lamp status. Refer to 

SRC-15, "On Board Diagnosis Function"

.

NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-35, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009718496

WARNING:

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

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the harness connector.
Is the inspection result normal?

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

Possible cause

B0021

CURTAIN A/B MODULE LH 
[Left Curtain Deployment 
Control 1 (Subfault)]

[OPEN]

Curtain air bag module LH 
circuit is open

• Connection malfunction or open 

circuit of harness and connector

• Internal malfunction of curtain 

air bag module LH

• Internal malfunction of air bag 

diagnosis sensor unit

[VB-SHORT]

Curtain air bag module LH 
circuit is shorted to power 
supply circuit

• Connection malfunction or short 

circuit to power supply of har-
ness and connector

• Internal malfunction of curtain 

air bag module LH

• Internal malfunction of air bag 

diagnosis sensor unit

[GND-SHORT]

Curtain air bag module LH 
circuit is shorted to ground

• Connection malfunction or short 

circuit to ground of harness and 
connector

• Internal malfunction of curtain 

air bag module LH

• Internal malfunction of air bag 

diagnosis sensor unit

[SHORT]

Curtain air bag module LH 
circuits are shorted to 
each other

• Connection malfunction or short 

circuit of harness and connector

• Internal malfunction of curtain 

air bag module LH

• Internal malfunction of air bag 

diagnosis sensor unit