Nissan Leaf. Manual — part 1123
B1429 SEAT BELT BUCKLE SWITCH RH
SRC-93
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 7.
NO
>> Clear DTC. Inspection End.
7.
RELATED HARNESS
Replace the related harness.
>> END
SRC-94
< DTC/CIRCUIT DIAGNOSIS >
B1430, B1432 SEAT BELT PRE-TENSIONER LH
B1430, B1432 SEAT BELT PRE-TENSIONER LH
Description
INFOID:0000000010877016
DTC B1430 AND B1432 SEAT BELT PRE-TENSIONER LH
The seat belt pre-tensioner LH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit
will monitor for opens and shorts in detected lines to the seat belt pre-tensioner LH.
PART LOCATION
SRC-6, "Component Parts Location"
.
DTC Description
INFOID:0000000010877017
DTC DETECTION LOGIC
POSSIBLE CAUSE
[B1430–09, B1430–1A]
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 fail-
ures (cross connection)]
[SHORT]
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)
[GND-SHORT]
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)
[VB-SHORT]
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)
[OPEN]
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)
[SHORT]
Seat belt pre-tensioner LH circuits are shorted to each other
B1432–09
PRE-TEN FRONT LH 2
[front seat belt pre-tensioner
squib left hand component fail-
ures (cross connection)]
[SHORT]
Seat belt pre-tensioner LH circuits are shorted to each other
B1432–11
PRE-TEN FRONT LH 2
(front seat belt pre-tensioner
squib left hand circuit short to
GND)
[GND-SHORT]
Seat belt pre-tensioner LH circuit is shorted to ground
B1432–12
PRE-TEN FRONT LH 2
(front seat belt pre-tensioner
squib left hand circuit short to
battery)
[VB-SHORT]
Seat belt pre-tensioner LH circuit is shorted to power supply circuit
B1432–13
PRE-TEN FRONT LH 2
(front seat belt pre-tensioner
squib left hand circuit)
[OPEN]
Seat belt pre-tensioner LH circuit is open
B1432–1A
PRE-TEN FRONT LH 2
(front seat belt pre-tensioner
squib left hand circuit resistance
below threshold)
[SHORT]
Seat belt pre-tensioner LH circuits are shorted to each other
B1430, B1432 SEAT BELT PRE-TENSIONER LH
SRC-95
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
• 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
[B1432–09, B1432–1A]
• 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
[B1432–11]
• 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
[B1432–12]
• 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
[B1432–13]
• 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 (With CONSULT)
1.
CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
2. Check for DTC using CONSULT.
Is the DTC detected?
YES (Current DTC)>>Refer to
YES (Past DTC)>>GO TO 2.
NO
>> Inspection End.
2.
ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased?
YES
>> Inspection End.
NO
>> Refer to
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.
CHECK SELF-DIAG RESULT
1. Turn ignition switch ON.
SRC-96
< DTC/CIRCUIT DIAGNOSIS >
B1430, B1432 SEAT BELT PRE-TENSIONER LH
2. Check the air bag warning lamp status. Refer to
SRC-11, "On Board Diagnosis Function"
.
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
YES
>> Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010877018
1.
HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
• Visible damage to connector or terminal
• Loose terminal
• Poor connection
NOTE:
All harness connectors should be inspected from the air bag diagnosis sensor unit to the end component
(including any in-line connectors).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform one of the following repairs:
• Visible damage: Replace the harness.
• Loose terminal: Secure the terminal.
• Poor connection: Secure the connection.
2.
CONFIRM DTC
1. Reconnect all harness connectors.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 3.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
3.
WIRING HARNESS
Check the wiring harness for visible damage.
NOTE:
The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component
(including any in-line connectors).
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the harness.
4.
CONFIRM DTC
1. Reconnect all harness connectors.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 5.
NO
>> Refer to
GI-53, "Intermittent Incident"
.
5.
AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace the air bag diagnosis sensor unit. Refer to
SR-38, "Removal and Installation"
.
2. Turn ignition switch ON.
3. Check for DTC using CONSULT.
Is DTC still current?
YES
>> GO TO 6.
NO
>> Clear DTC. Inspection End.
6.
SEAT BELT PRE-TENSIONER LH
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