Nissan Sentra. Manual — part 814
B1430, B1432 SEAT BELT PRE-TENSIONER LH
SRC-91
< DTC/CIRCUIT DIAGNOSIS >
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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:0000000009758002
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-39, "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-39, "Intermittent Incident"
.
5.
AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace the air bag diagnosis sensor unit. Refer to
SR-28, "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
1. Replace the seat belt pre-tensioner LH. Refer to
SR-31, "Removal and Installation"
2. Turn ignition switch ON.
SRC-92
< DTC/CIRCUIT DIAGNOSIS >
B1430, B1432 SEAT BELT PRE-TENSIONER LH
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
B1431, B1433 SEAT BELT PRE-TENSIONER RH
SRC-93
< DTC/CIRCUIT DIAGNOSIS >
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B1431, B1433 SEAT BELT PRE-TENSIONER RH
Description
INFOID:0000000009758003
DTC B1431, B1433 SEAT BELT PRE-TENSIONER RH
The seat belt pre-tensioner RH 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 RH.
PART LOCATION
SRC-5, "Component Parts Location"
.
DTC Logic
INFOID:0000000009758004
DTC DETECTION LOGIC
With CONSULT
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.
2. Check the air bag warning lamp status. Refer to
SRC-17, "Trouble Diagnosis without CONSULT"
NOTE:
CONSULT name
DTC
DTC detecting condition
Repair order
FRONT PRE-TEN RH CIRCUIT
[OPEN]
B1431
RH seat belt pre-tensioner circuit is open.
(shoulder belt)
Refer to
FRONT PRE-TEN RH CIRCUIT
[VB-SHORT]
RH seat belt pre-tensioner circuit is short-
ed to a power supply circuit. (shoulder belt)
FRONT PRE-TEN RH CIRCUIT
[GND-SHORT]
RH seat belt pre-tensioner circuit is short-
ed to ground. (shoulder belt)
FRONT PRE-TEN RH CIRCUIT
[SHORT]
RH seat belt pre-tensioner circuits are
shorted to each other. (shoulder belt)
FRONT PRE-TEN2 RH CIRCUIT
[OPEN]
B1433
RH seat belt pre-tensioner circuit is open.
(lap belt)
FRONT PRE-TEN2 RH CIRCUIT
[VB-SHORT]
RH seat belt pre-tensioner circuit is short-
ed to a power supply circuit. (lap belt)
FRONT PRE-TEN2 RH CIRCUIT
[GND-SHORT]
RH seat belt pre-tensioner circuit is short-
ed to ground. (lap belt)
FRONT PRE-TEN2 RH CIRCUIT
[SHORT]
RH seat belt pre-tensioner circuits are
shorted to each other. (lap belt)
SRC-94
< DTC/CIRCUIT DIAGNOSIS >
B1431, B1433 SEAT BELT PRE-TENSIONER RH
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:0000000009758005
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-39, "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-39, "Intermittent Incident"
.
5.
AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace the air bag diagnosis sensor unit. Refer to
SR-28, "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 RH
1. Replace the seat belt pre-tensioner RH. Refer to
SR-31, "Removal and Installation"
.
2. Turn ignition switch ON.
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