Nissan Juke F15. Manual - part 1177

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

SRC-73

< DTC/CIRCUIT DIAGNOSIS >

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SRC

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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-72, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

SRC-74

< DTC/CIRCUIT DIAGNOSIS >

B1416, B1417, B1418, B1419, B1420 AIR BAG DIAGNOSIS SENSOR UNIT

B1416, B1417, B1418, B1419, B1420 AIR BAG DIAGNOSIS SENSOR UNIT

DTC Description

INFOID:0000000012199626

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-74, "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:0000000012199627

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

B1416–00

CONTROL UNIT
(airbag control unit internal 
trouble, EEPROM)

[UNIT MALFUNC]

Air bag diagnosis sensor unit is malfunctioning

B1417–00

CONTROL UNIT
(airbag control unit internal 
trouble, Algorithm)

[UNIT MALFUNC]

B1418–00

CONTROL UNIT
(airbag control unit internal 
trouble, Configuration)

[UNIT MALFUNC]

B1419–00

CONTROL UNIT
(airbag control unit internal 
trouble, other component)

[UNIT MALFUNC]

B1420–00

CONTROL UNIT
(airbag control unit internal 
trouble, other)

[UNIT MALFUNC]

B1416, B1417, B1418, B1419, B1420 AIR BAG DIAGNOSIS SENSOR UNIT

SRC-75

< DTC/CIRCUIT DIAGNOSIS >

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SRC

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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-74, "DTC Description"

.

Is DTC detected?

YES

>>  GO TO 1.

NO

>> INSPECTION END

SRC-76

< DTC/CIRCUIT DIAGNOSIS >

B1421 FRONTAL COLLISION DETECTION

B1421 FRONTAL COLLISION DETECTION

DTC Description

INFOID:0000000012199628

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Malfunction of frontal-related parts

• Internal malfunction of 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-76, "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:0000000012199629

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.

PERFORM COLLISION DIAGNOSIS

Perform collision diagnosis. Refer to 

SR-6, "FOR FRONTAL COLLISION : When SRS is activated in a colli-

sion"

 or 

SR-7, "FOR FRONTAL COLLISION : When SRS is not activated in a collision"

.

>> GO TO 2.

2.

FINAL INSPECTION

Perform “AIR BAG” Self Diagnostic Result.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis of applicable DTC. Refer to 

SRC-17, "DTC Index"

.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1421–00

FRONTAL COLLISION
(Firing Record, Frontal)

 Driver air bag, passenger air bag, seat belt pre-tensioner and lap pre-ten-
sioner are deployed