Nissan X-Trail 32. Manual — part 1977
SRC-76
< DTC/CIRCUIT DIAGNOSIS >
B1425 REAR COLLISION DETECTION
B1425 REAR COLLISION DETECTION
DTC Description
INFOID:0000000010688501
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:0000000010688502
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
B1425–00
REAR COLLISION
(Rear Crash Detect)
Rear collision detected
B1426 DISPOSAL DEPLOYMENT DETECTION
SRC-77
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
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SRC
N
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B1426 DISPOSAL DEPLOYMENT DETECTION
DTC Description
INFOID:0000000010842527
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:0000000010842528
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.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
Replace air bag diagnosis sensor unit. Refer to
SR-38, "Removal and Installation"
.
>> INSPECTION END
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1426–00
AIR BAG DISPOSAL DETECT
(Firing Record, Airbag disposal)
Reuse of air bag diagnosis sensor unit
SRC-78
< DTC/CIRCUIT DIAGNOSIS >
B1427 CONFIG SETTING
B1427 CONFIG SETTING
DTC Description
INFOID:0000000010688503
DTC DETECTION LOGIC
POSSIBLE CAUSE
[B1427–54]
Mistake of configuration for air bag diagnosis sensor unit
[B1427–55]
Incomplete of configuration for air bag diagnosis sensor unit
FAIL-SAFE
—
Diagnosis Procedure
INFOID:0000000010688504
1.
PERFORM CONFIGURATION
Perform configuration for air bag diagnosis sensor unit.
>> Refer to
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1427–54
CONFIG SETTING
(Configuration setting)
When errors are detected in the configuration data stored in the air bag
diagnosis sensor unit
B1427–55
When no data are stored in the air bag diagnosis sensor unit
B142A IGN VOLTAGE
SRC-79
< DTC/CIRCUIT DIAGNOSIS >
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B142A IGN VOLTAGE
DTC Description
INFOID:0000000010688505
DTC DETECTION LOGIC
POSSIBLE CAUSE
[B142A–16]
• Malfunction of battery voltage (less than 9 V)
• Connection malfunction of harness or connector
• Internal malfunction of air bag diagnosis sensor unit
[B142A–17]
• Malfunction of battery voltage (more than 16 V)
• Connection malfunction of harness or connector
• 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.
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:0000000010688506
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 BATTERY VOLTAGE
Check battery voltage. Refer to
PG-118, "R9M : How to Handle Battery"
(For R9M engine models) or
"EXCEPT FOR R9M : How to Handle Battery"
(Except for R9M engine models).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace battery. Refer to
PG-142, "EXCEPT FOR R9M : Removal and Installation"
.
2.
CHECK HARNESS CONNECTOR
Check the harness connector for disconnection, looseness or damage.
Is the inspection result normal?
YES
>> GO TO 3.
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
B142A–16
IGNITION VOLTAGE
(Ignition voltage Low)
Power supply malfunction (low voltage) of air bag diagnosis sensor unit
B142A–17
IGNITION VOLTAGE
(Ignition voltage High)
Power supply malfunction (high voltage) of air bag diagnosis sensor
unit
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