Nissan Murano. Manual — part 1302
SRC-56
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
B1416, B1417, B1418, B1419, B1420 AIR BAG DIAGNOSIS SENSOR UNIT
B1416, B1417, B1418, B1419, B1420 AIR BAG DIAGNOSIS SENSOR UNIT
DTC Logic
INFOID:0000000009718519
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
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009718520
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 connectors.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
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
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
Possible cause
B1416
B1417
B1418
B1419
B1420
CONTROL UNIT
(air bag control unit internal trou-
ble)
Air bag diagnosis sensor unit is
malfunctioning
Malfunction in air bag diagnosis
sensor unit
B1421 FRONTAL COLLISION DETECTION
SRC-57
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1421 FRONTAL COLLISION DETECTION
DTC Logic
INFOID:0000000009718521
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
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009718522
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-
SR-8, "FOR SIDE AND ROLLOVER COLLISION : When SRS is 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
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
Possible cause
B1421
FRONTAL COLLISION DETEC-
TION
(Firing Record, Frontal)
Driver air bag, passenger air bag
and seat belt pre-tensioner are de-
ployed
—
SRC-58
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
B1422 SIDE COLLISION DETECTION
B1422 SIDE COLLISION DETECTION
DTC Logic
INFOID:0000000009718523
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
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009718524
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-
SR-8, "FOR SIDE AND ROLLOVER COLLISION : When SRS is 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
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
Possible cause
B1422
SIDE COLLISION DETECTION
(Firing Record, Side)
Side air bag and curtain air bag are
deployed
—
B1423 ROLLOVER DETECTION
SRC-59
< DTC/CIRCUIT DIAGNOSIS >
[FOR USA AND CANADA]
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1423 ROLLOVER DETECTION
DTC Logic
INFOID:0000000009718525
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
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009718526
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-
SR-8, "FOR SIDE AND ROLLOVER COLLISION : When SRS is 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
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
Possible cause
B1423
ROLLOVER DETECTION
(Firing Record, Rollover with Roll-
ing state 2)
Front seat belt pre-tensioner, curtain air
bag module are deployed because of roll-
over detection
—
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