Nissan X-Trail 32. Instruction — part 1976
SRC-72
< 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:0000000010688495
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.
Is malfunctioning part detected?
YES
>> Refer to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010688496
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.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace malfunctioning harness and connector.
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1416–00
CONTROL UNIT
(airbag control unit internal trouble, EE-
PROM)
Air bag diagnosis sensor unit is malfunctioning
B1417–00
CONTROL UNIT
(airbag control unit internal trouble, Algorithm)
B1418–00
CONTROL UNIT
(airbag control unit internal trouble, Configu-
ration)
B1419–00
CONTROL UNIT
(airbag control unit internal trouble, other
component)
B1420–00
CONTROL UNIT
(airbag control unit internal trouble, other)
B1416, B1417, B1418, B1419, B1420 AIR BAG DIAGNOSIS SENSOR UNIT
SRC-73
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
3.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-38, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
SRC-74
< DTC/CIRCUIT DIAGNOSIS >
B1421 FRONTAL COLLISION DETECTION
B1421 FRONTAL COLLISION DETECTION
DTC Description
INFOID:0000000010688497
DTC DETECTION LOGIC
POSSIBLE CAUSE
—
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.
Is malfunctioning part detected?
YES
>> Refer to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010688498
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-13, "FOR FRONTAL COLLISION : When SRS is activated in a colli-
SR-14, "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
.
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-
tensioner are deployed
B1422 SIDE COLLISION DETECTION
SRC-75
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1422 SIDE COLLISION DETECTION
DTC Description
INFOID:0000000010688499
DTC DETECTION LOGIC
POSSIBLE CAUSE
—
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.
Is malfunctioning part detected?
YES
>> Refer to
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010688500
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-15, "FOR SIDE AND ROLLOVER COLLISION : When SRS is acti-
SR-16, "FOR SIDE AND ROLLOVER COLLISION : When SRS is not activated in a col-
>> 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
B1422–00
SIDE COLLISION
(Firing Record, Side)
Side air bag and curtain air bag are deployed
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