Nissan X-Trail 32. Manual — part 1978
SRC-80
< DTC/CIRCUIT DIAGNOSIS >
B142A IGN VOLTAGE
3.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace malfunctioning harness and connector.
4.
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
B1430 SEAT BELT PRE-TENSIONER
SRC-81
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1430 SEAT BELT PRE-TENSIONER
DTC Description
INFOID:0000000010688507
DTC DETECTION LOGIC
POSSIBLE CAUSE
[B1430–09, B1430–1A]
• Connection malfunction or short circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit
[B1430–11]
• Connection malfunction or short circuit to ground of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit
[B1430–12]
• Connection malfunction or short circuit to power supply of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit
[B1430–13]
• Connection malfunction or open circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• 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
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1430–09
PRE-TEN FRONT LH
[front seat belt pre-tensioner squib left hand
component failures (cross connection)]
Seat belt pre-tensioner LH circuits are shorted to each other
B1430–11
PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand
circuit short to GND)
Seat belt pre-tensioner LH circuit is shorted to ground
B1430–12
PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand
circuit short to battery)
Seat belt pre-tensioner LH circuit is shorted to power supply circuit
B1430–13
PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand
circuit)
Seat belt pre-tensioner LH circuit is open
B1430–1A
PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand
circuit resistance below threshold)
Seat belt pre-tensioner LH circuits are shorted to each other
SRC-82
< DTC/CIRCUIT DIAGNOSIS >
B1430 SEAT BELT PRE-TENSIONER
Diagnosis Procedure
INFOID:0000000010688508
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.
3.
REPLACE SEAT BELT PRE-TENSIONER LH
1.
Replace seat belt pre-tensioner LH. Refer to
SR-36, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
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
B1431 SEAT BELT PRE-TENSIONER
SRC-83
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1431 SEAT BELT PRE-TENSIONER
DTC Description
INFOID:0000000010688509
DTC DETECTION LOGIC
POSSIBLE CAUSE
[B1431–09, B1431–1A]
• Connection malfunction or short circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit
[B1431–11]
• Connection malfunction or short circuit to ground of harness and connector
• Internal malfunction of seat belt pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit
[B1431–12]
• Connection malfunction or short circuit to power supply of harness and connector
• Internal malfunction of seat belt pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit
[B1431–13]
• Connection malfunction or open circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner RH
• 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
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1431–09
PRE-TEN FRONT RH
[front seat belt pre-tensioner squib right hand
component failures (cross connection)]
Seat belt pre-tensioner RH circuits are shorted to each other
B1431–11
PRE-TEN FRONT RH
(front seat belt pre-tensioner squib right hand
circuit short to GND)
Seat belt pre-tensioner RH circuit is shorted to ground
B1431–12
PRE-TEN FRONT RH
(front seat belt pre-tensioner squib right hand
circuit short to battery)
Seat belt pre-tensioner RH circuit is shorted to power supply circuit
B1431–13
PRE-TEN FRONT RH
(front seat belt pre-tensioner squib right hand
circuit)
Seat belt pre-tensioner RH circuit is open
B1431–1A
PRE-TEN FRONT RH
(front seat belt pre-tensioner squib right hand
circuit resistance below threshold)
Seat belt pre-tensioner RH circuits are shorted to each other
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