Nissan Pathfinder. Manual - part 1090

B0001, B0002 DRIVER AIRBAG MODULE

SRC-45

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

B0001, B0002 DRIVER AIRBAG MODULE

Description

INFOID:0000000009726786

DTC B0001, B0002 DRIVER AIRBAG MODULE

The driver air bag module is dual stage (US/CAN models) and single stage (MEX models) and wired to the air

bag diagnosis sensor unit through the spiral cable. The air bag diagnosis sensor unit will monitor for opens

and shorts in detected lines to the driver air bag module including the spiral cable.

PART LOCATION

Refer to 

SRC-5, "Component Parts Location"

.

DTC Logic

INFOID:0000000009726787

 With CONSULT

DTC CONFIRMATION PROCEDURE (With CONSULT)

1.

CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.

2. Check for DTC using CONSULT.
Is the DTC detected?

YES (Current DTC)>>Refer to 

SRC-46, "Diagnosis Procedure"

.

YES (Past DTC)>>GO TO 2.

NO

>> Inspection End.

2.

ERASE SELF-DIAG RESULT

Erase the DTC using CONSULT.
Can the DTC be erased?

YES

>> Inspection End.

CONSULT name

DTC

DTC detecting condition

Repair order

DRIVER AIRBAG MODULE CIRCUIT 

[OPEN]

B0001

Driver air bag module circuit 
(DR1) is open
(including the spiral cable).

Refer to 

SRC-46, "Diagnosis Proce-

dure"

.

DRIVER AIRBAG MODULE CIRCUIT 

[VB-SHORT]

Driver air bag module circuit 
(DR1) is shorted to a power sup-
ply circuit
(including the spiral cable).

DRIVER AIRBAG MODULE CIRCUIT 

[GND-SHORT]

Driver air bag module circuit 
(DR1) is shorted to ground
(including the spiral cable).

DRIVER AIRBAG MODULE CIRCUIT 

[SHORT]

Driver air bag module circuits 
(DR1) are shorted to each other
(including the spiral cable).

DRIVER AIRBAG MODULE 2ND CIRCUIT 

[OPEN]

B0002

Driver air bag module circuit 
(DR2) is open
(including the spiral cable).

DRIVER AIRBAG MODULE 2ND CIRCUIT 

[VB-SHORT]

Driver air bag module circuit 
(DR2) is shorted to a power sup-
ply circuit
(including the spiral cable).

DRIVER AIRBAG MODULE 2ND CIRCUIT 

[GND-SHORT]

Driver air bag module circuit 
(DR2) is shorted to ground
(including the spiral cable).

DRIVER AIRBAG MODULE 2ND CIRCUIT 

[SHORT]

Driver air bag module circuits 
(DR2) are shorted to each other
(including the spiral cable).

SRC-46

< DTC/CIRCUIT DIAGNOSIS >

B0001, B0002 DRIVER AIRBAG MODULE

NO

>> Refer to 

SRC-46, "Diagnosis Procedure"

.

DTC CONFIRMATION PROCEDURE (Without CONSULT)

1.

CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.

2. Check the air bag warning lamp status. Refer to 

SRC-16, "Trouble Diagnosis without CONSULT"

.

NOTE:

SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?

YES

>> Refer to 

SRC-46, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009726788

1.

HARNESS CONNECTOR

Visually inspect all applicable harness connectors for the following:

• Visible damage to connector or terminal

• Loose terminal

• Poor connection

NOTE:

All harness connectors should be inspected from the air bag diagnosis sensor unit to the end component

(including any in-line connectors).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Perform one of the following repairs:

• Visible damage: Replace the harness.

• Loose terminal: Secure the terminal.

• Poor connection: Secure the connection.

2.

CONFIRM DTC

1. Reconnect all harness connectors.

2. Turn ignition switch ON.

3. Check for DTC using CONSULT.
Is DTC still current?

YES

>> GO TO 3.

NO

>> Refer to 

GI-49, "Intermittent Incident"

.

3.

WIRING HARNESS

Check the wiring harness for visible damage.

NOTE:

The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component

(including any in-line connectors).
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace the harness.

4.

CHECK SPIRAL CABLE CIRCUIT 

1. Turn ignition switch OFF.

2. Disconnect driver air bag module harness connectors and spiral cable harness connector.

3. Check continuity between driver air bag module harness connector and spiral cable connector.

B0001, B0002 DRIVER AIRBAG MODULE

SRC-47

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace the spiral cable. Refer to 

SR-15, "Removal and Installation"

.

5.

CONFIRM DTC

1. Reconnect all harness connectors.

2. Turn ignition switch ON.

3. Check for DTC using CONSULT.
Is DTC still current?

YES

>> GO TO 6.

NO

>> Refer to 

GI-49, "Intermittent Incident"

.

6.

AIR BAG DIAGNOSIS SENSOR UNIT

1. Replace the air bag diagnosis sensor unit. Refer to 

SR-15, "Removal and Installation"

.

2. Turn ignition switch ON.

3. Check for DTC using CONSULT.
Is DTC still current?

YES

>> GO TO 7.

NO

>> Clear DTC. Inspection End.

7.

DRIVER AIR BAG MODULE

1. Replace the driver air bag module. Refer to 

SR-12, "Removal and Installation"

.

2. Turn ignition switch ON.

3. Check for DTC using CONSULT.
Is DTC still current?

YES

>> GO TO 8.

NO

>> Clear DTC. Inspection End.

8.

RELATED HARNESS

Replace the related harness.

>> END

Driver air bag module

Spiral cable

Continuity 

Connector

Terminal

Connector

Terminal

M87

9

M53

30

Yes

12

29

M89

10

28

11

30

Driver air bag module

Ground

Continuity 

Connector

Terminal

M87

9

No

12

M89

10

11

SRC-48

< DTC/CIRCUIT DIAGNOSIS >

B0010, B0011 PASSENGER AIRBAG MODULE

B0010, B0011 PASSENGER AIRBAG MODULE

Description

INFOID:0000000009726789

DTC B0010, B0011 PASSENGER AIR BAG MODULE

The passenger air bag module is dual stage (US/CAN models) and single stage (MEX models) and is wired to

the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor for opens and shorts in

detected lines to the passenger air bag module.

PART LOCATION

Refer to 

SRC-5, "Component Parts Location"

.

DTC Logic

INFOID:0000000009726790

With CONSULT

DTC CONFIRMATION PROCEDURE (With CONSULT)

1.

CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.

2. Check for DTC using CONSULT.
Is the DTC detected?

YES (Current DTC)>>Refer to 

SRC-49, "Diagnosis Procedure"

.

YES (Past DTC)>>GO TO 2.

NO

>> Inspection End.

2.

ERASE SELF-DIAG RESULT

Erase the DTC using CONSULT.
Can the DTC be erased?

YES

>> Inspection End.

NO

>> Refer to 

SRC-49, "Diagnosis Procedure"

.

DTC CONFIRMATION PROCEDURE (Without CONSULT)

1.

CHECK SELF-DIAG RESULT

1. Turn ignition switch ON.

2. Check the air bag warning lamp status. Refer to 

SRC-16, "Trouble Diagnosis without CONSULT"

.

CONSULT name

DTC

DTC detecting condition

Repair order

ASSIST AIRBAG MODULE CIRCUIT 

[OPEN]

B0010

Front passenger air bag module circuit 
(AS1) is open.

Refer to 

SRC-49, "Diagnosis Proce-

dure"

.

ASSIST AIRBAG MODULE CIRCUIT 

[VB-SHORT]

Front passenger air bag module circuit 
(AS1) is shorted to a power supply cir-
cuit.

ASSIST AIRBAG MODULE CIRCUIT 

[GND-SHORT]

Front passenger air bag module circuit 
(AS1) is shorted to ground.

ASSIST AIRBAG MODULE CIRCUIT 

[SHORT]

Front passenger air bag module cir-
cuits (AS1) are shorted to each other.

ASSIST AIRBAG MODULE 2ND CIRCUIT 

[OPEN]

B0011

Front passenger air bag module circuit 
(AS2) is open.

ASSIST AIRBAG MODULE 2ND CIRCUIT 

[VB-SHORT]

Front passenger air bag module circuit 
(AS2) is shorted to a power supply cir-
cuit.

ASSIST AIRBAG MODULE 2ND CIRCUIT 

[GND-SHORT]

Front passenger air bag module circuit 
(AS2) is shorted to ground.

ASSIST AIRBAG MODULE 2ND CIRCUIT 

[SHORT]

Front passenger air bag module cir-
cuits (AS2) are shorted to each other.