Nissan Qashqai J11. Manual — part 1033
SRC-70
< DTC/CIRCUIT DIAGNOSIS >
B1400, B1401, B1402, B1403, B1404, B1405 AIR BAG DIAGNOSIS SENSOR
UNIT
3.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-28, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
B1406, B1407, B1408, B1409, B1410 AIR BAG DIAGNOSIS SENSOR UNIT
SRC-71
< DTC/CIRCUIT DIAGNOSIS >
C
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A
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SRC
N
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B1406, B1407, B1408, B1409, B1410 AIR BAG DIAGNOSIS SENSOR UNIT
DTC Description
INFOID:0000000010431058
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-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010431059
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-28, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1406–00
CONTROL UNIT
(airbag control unit internal trouble, Energy
Reserver)
Air bag diagnosis sensor unit is malfunctioning
B1407–00
CONTROL UNIT
(airbag control unit internal trouble, driver IC1)
B1408–00
CONTROL UNIT
(airbag control unit internal trouble, driver IC2)
B1409–00
CONTROL UNIT
(airbag control unit internal trouble, driver IC3)
B1410–00
CONTROL UNIT
(airbag control unit internal trouble, Power IC)
SRC-72
< DTC/CIRCUIT DIAGNOSIS >
B1406, B1407, B1408, B1409, B1410 AIR BAG DIAGNOSIS SENSOR UNIT
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
B1411, B1412, B1413, B1414, B1415 AIR BAG DIAGNOSIS SENSOR UNIT
SRC-73
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
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J
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A
B
SRC
N
O
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B1411, B1412, B1413, B1414, B1415 AIR BAG DIAGNOSIS SENSOR UNIT
DTC Description
INFOID:0000000010431060
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-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010431061
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.
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1411–00
CONTROL UNIT
(airbag control unit internal trouble, SUB IC)
Air bag diagnosis sensor unit is malfunctioning
B1412–00
CONTROL UNIT
(airbag control unit internal trouble, communi-
cation IC1)
B1413–00
CONTROL UNIT
(airbag control unit internal trouble, communi-
cation IC2)
B1414–00
CONTROL UNIT
[airbag control unit internal trouble, Main mi-
cro controller (CPU)]
B1415–00
CONTROL UNIT
[airbag control unit internal trouble, Sub mi-
crocontroller (CPU)]
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