Nissan Juke F15. Manual - part 1176

B1400, B1401, B1402, B1403, B1404, B1405 AIR BAG DIAGNOSIS SENSOR 

UNIT

SRC-69

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

YES

>> GO TO 2.

NO–1 >> Damage: Replace malfunctioning harness and connector.

NO–2 >> Disconnection or looseness: Securely lock the connector.

2.

CHECK WIRING HARNESS

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

YES

>> GO TO 3.

NO

>> Replace malfunctioning harness and connector.

3.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1. Replace air bag diagnosis sensor unit. Refer to 

SR-29, "Removal and Installation"

.

2. Perform DTC confirmation procedure. Refer to 

SRC-68, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

SRC-70

< DTC/CIRCUIT DIAGNOSIS >

B1406, B1407, B1408, B1409, B1410 AIR BAG DIAGNOSIS SENSOR UNIT

B1406, B1407, B1408, B1409, B1410 AIR BAG DIAGNOSIS SENSOR UNIT

DTC Description

INFOID:0000000012199622

DTC DETECTION LOGIC

POSSIBLE CAUSE

Malfunction in air bag diagnosis sensor unit

FAIL-SAFE

—

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-10, "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-70, "Diagnosis Procedure"

.

NO-1 >> To check malfunction symptom before repair: Refer to 

GI-45, "Intermittent Incident"

.

NO-2 >> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000012199623

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 for disconnection, looseness or damage.
Is the inspection result normal?

YES

>> GO TO 2.

NO–1 >> Damage: Replace malfunctioning harness and connector.

NO–2 >> Disconnection or looseness: Securely lock the connector.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1406–00

CONTROL UNIT 
(airbag control unit internal 
trouble, Energy Reserver)

[UNIT MALFUNC]

Air bag diagnosis sensor unit is malfunctioning

B1407–00

CONTROL UNIT 
(airbag control unit internal 
trouble, driver IC1)

[UNIT MALFUNC]

B1408–00

CONTROL UNIT 
(airbag control unit internal 
trouble, driver IC2)

[UNIT MALFUNC]

B1409–00

CONTROL UNIT 
(airbag control unit internal 
trouble, driver IC3)

[UNIT MALFUNC]

B1410–00

CONTROL UNIT 
(airbag control unit internal 
trouble, Power IC)

[UNIT MALFUNC]

B1406, B1407, B1408, B1409, B1410 AIR BAG DIAGNOSIS SENSOR UNIT

SRC-71

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

I

J

K

L

M

A

B

SRC

N

O

P

2.

CHECK WIRING HARNESS

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

YES

>> GO TO 3.

NO

>> Replace malfunctioning harness and connector.

3.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1. Replace air bag diagnosis sensor unit. Refer to 

SR-29, "Removal and Installation"

.

2. Perform DTC confirmation procedure. Refer to 

SRC-70, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

SRC-72

< DTC/CIRCUIT DIAGNOSIS >

B1411, B1412, B1413, B1414, B1415 AIR BAG DIAGNOSIS SENSOR UNIT

B1411, B1412, B1413, B1414, B1415 AIR BAG DIAGNOSIS SENSOR UNIT

DTC Description

INFOID:0000000012199624

DTC DETECTION LOGIC

POSSIBLE CAUSE

Malfunction in air bag diagnosis sensor unit

FAIL-SAFE

—

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-10, "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-72, "Diagnosis Procedure"

.

NO-1 >> To check malfunction symptom before repair: Refer to 

GI-45, "Intermittent Incident"

.

NO-2 >> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000012199625

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 for disconnection, looseness or damage.
Is the inspection result normal?

YES

>> GO TO 2.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1411–00

CONTROL UNIT 
(airbag control unit internal 
trouble, SUB IC)

[UNIT MALFUNC]

Air bag diagnosis sensor unit is malfunctioning

B1412–00

CONTROL UNIT 
(airbag control unit internal 
trouble, communication IC1)

[UNIT MALFUNC]

B1413–00

CONTROL UNIT 
(airbag control unit internal 
trouble, communication IC2)

[UNIT MALFUNC]

B1414–00

CONTROL UNIT 
[airbag control unit internal 
trouble, Main micro controller 
(CPU)]

[UNIT MALFUNC]

B1415–00

CONTROL UNIT 
[airbag control unit internal 
trouble, Sub microcontroller 
(CPU)]

[UNIT MALFUNC]