Nissan Juke F15. Instruction — 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
.
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
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
.
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
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]
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