Nissan Pathfinder. Manual — part 1100
B1428 SEAT BELT BUCKLE SWITCH LH
SRC-85
< DTC/CIRCUIT DIAGNOSIS >
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B1428 SEAT BELT BUCKLE SWITCH LH
Description
INFOID:0000000009726837
DTC B1428 SEAT BELT BUCKLE SWITCH LH
The air bag diagnosis sensor unit monitors the seat belt buckle switch LH status. If the control unit detects an
open or short condition in the circuit, it will set the DTC.
PART LOCATION
SRC-5, "Component Parts Location"
.
DTC Logic
INFOID:0000000009726838
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-16, "Trouble Diagnosis without CONSULT"
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:0000000009726839
1.
HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
• Visible damage to connector or terminal
CONSULT name
DTC
DTC detecting condition
Repair order
SEAT BELT BUCKLE SW LH CIRCUIT
[OPEN]
B1428
Seat belt buckle switch LH circuit is
open.
Refer to
.
SEAT BELT BUCKLE SW LH CIRCUIT
[VB-SHORT]
Seat belt buckle switch LH circuit is
shorted to a power supply circuit.
SEAT BELT BUCKLE SW LH CIRCUIT
[GND-SHORT]
Seat belt buckle switch LH circuit is
shorted to ground.
SEAT BELT BUCKLE SW LH CIRCUIT
[UNDEFINED]
Seat belt buckle switch LH circuit is mal-
functioning.
SRC-86
< DTC/CIRCUIT DIAGNOSIS >
B1428 SEAT BELT BUCKLE SWITCH LH
• Loose terminal
• Poor connection
NOTE:
All harness connectors should be inspected from the air bag diagnosis 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-49, "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-49, "Intermittent Incident"
.
5.
SEAT BELT BUCKLE SWITCH LH
1. Replace the seat belt buckle switch LH. Refer to
SR-30, "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.
AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace the air bag diagnosis sensor unit. Refer to
SR-27, "Removal and Installation"
.
2. Turn ignition switch ON.
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
B1429 SEAT BELT BUCKLE SWITCH RH
SRC-87
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1429 SEAT BELT BUCKLE SWITCH RH
Description
INFOID:0000000009726840
DTC B1429 SEAT BELT BUCKLE SWITCH RH
The air bag diagnosis sensor unit monitors the seat belt buckle switch RH status. If the control unit detects an
open or short condition in the circuit, it will set the DTC.
PART LOCATION
SRC-5, "Component Parts Location"
.
DTC Logic
INFOID:0000000009726841
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-16, "Trouble Diagnosis without CONSULT"
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:0000000009726842
1.
HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
• Visible damage to connector or terminal
CONSULT name
DTC
DTC detecting condition
Repair order
SEAT BELT BUCKLE SW RH CIRCUIT
[OPEN]
B1429
Seat belt buckle switch RH circuit is
open.
.
SEAT BELT BUCKLE SW RH CIRCUIT
[VB-SHORT]
Seat belt buckle switch RH circuit is
shorted to a power supply circuit.
SEAT BELT BUCKLE SW RH CIRCUIT
[GND-SHORT]
Seat belt buckle switch RH circuit is
shorted to ground.
SEAT BELT BUCKLE SW RH CIRCUIT
[UNDEFINED]
Seat belt buckle switch RH circuit is mal-
functioning.
SRC-88
< DTC/CIRCUIT DIAGNOSIS >
B1429 SEAT BELT BUCKLE SWITCH RH
• Loose terminal
• Poor connection
NOTE:
All harness connectors should be inspected from the air bag diagnosis 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-49, "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-49, "Intermittent Incident"
.
5.
SEAT BELT BUCKLE SWITCH RH
1. Replace the seat belt buckle switch RH. Refer to
SR-30, "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.
AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace the air bag diagnosis sensor unit. Refer to
SR-27, "Removal and Installation"
.
2. Turn ignition switch ON.
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
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