Nissan Pathfinder. Manual — part 1203
WCS
METER BUZZER CIRCUIT
WCS-29
< DTC/CIRCUIT DIAGNOSIS >
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METER BUZZER CIRCUIT
Description
INFOID:0000000009174325
• The buzzer for the warning chime system is installed in the combination meter.
• The combination meter sounds the buzzer based on the signals transmitted from various units.
Component Function Check
INFOID:0000000009174326
1.
CHECK OPERATION OF METER BUZZER
1. Select BUZZER of BCM on CONSULT.
2. Perform LIGHT WARN ALM or SEAT BELT WARN TEST of ACTIVE TEST.
Does meter buzzer activate?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009174327
1.
CHECK COMBINATION METER INPUT SIGNAL
Select the Data Monitor for the METER/M&A and check the BUZZER monitor value.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-82, "Removal and Installation"
NO
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
BUZZER
Under the condition of buzzer input
: On
Except above
: Off
WCS-30
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000009174328
Transmits a seat belt buckle switch signal to the combination meter.
Component Function Check
INFOID:0000000009174329
1.
CHECK COMBINATION METER INPUT SIGNAL
1. Ignition ON.
2. Monitor seat belt warning lamp while fastening and unfastening the driver seat belt buckle.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009174330
Regarding Wiring Diagram information, refer to
.
1.
CHECK COMBINATION METER INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector M24 terminal 9 and ground.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-82, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter harness connector M24 and seat belt buckle switch (driver seat) harness
connector B221.
3. Check continuity between combination meter harness connector M24 terminal 9 and seat belt buckle
switch (driver seat) harness connector B221 terminal 4.
4. Check continuity between combination meter harness connector M24 terminal 9 and ground.
Condition
Warning lamp status
When driver seat belt buckle is unfastened
ON
When driver seat belt buckle is fastened
OFF
Combination meter
Condition
Voltage
(Approx.)
Connector
Terminals
(+)
(-)
M24
9
Ground
When driver seat belt is fastened
12 V
When driver seat belt is unfastened
0 V
Combination meter
Seat belt buckle switch (driver seat)
Continuity
Connector
Terminal
Connector
Terminal
M24
9
B221
4
Yes
WCS
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
WCS-31
< DTC/CIRCUIT DIAGNOSIS >
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Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connector.
3.
CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT
Check continuity between seat belt buckle switch (driver seat) harness connector B221 terminal 3 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connector.
Component Inspection
INFOID:0000000009174331
1.
CHECK SEAT BELT BUCKLE SWITCH
1. Turn ignition switch OFF.
2. Disconnect the seat belt buckle switch (driver seat) connector.
3. Check continuity between the seat belt buckle switch (driver seat) terminals 3 and 4.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace the seat belt buckle switch (driver seat). Refer to
SR-30, "Removal and Installation"
Combination meter
Ground
Continuity
Connector
Terminal
M24
9
No
Seat belt buckle switch (driver seat)
Ground
Continuity
Connector
Terminal
B221
3
Yes
Condition
Terminal
Continuity
When seat belt buckle is fastened
3– 4
No
When seat belt buckle is unfastened
Yes
WCS-32
< SYMPTOM DIAGNOSIS >
WARNING CHIME SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
WARNING CHIME SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000009174332
CAUTION:
Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagno-
sis if any DTC is detected.
Symptom
Possible cause
Inspection item
The light reminder warning does not sound.
• Harness between BCM and front
door switch LH
• Front door switch LH
• BCM
• Combination meter
Refer to
The parking brake release warning continues sounding
or does not sound.
• Harness between combination
meter and parking brake switch
• Parking brake switch
• BCM
• Combination meter
Refer to
The seat belt warning continues sounding or does not
sound.
• Harness between combination
meter and seat belt buckle switch
(driver seat)
• Seat belt buckle switch (driver
seat)
• BCM
• Combination meter
Refer to
Warning chime does not sound at all.
• BCM
• Combination meter
Refer to
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