Nissan Murano. Manual — part 1450
WCS-22
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
INFOID:0000000010089121
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between combination meter harness connector terminals and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between combination meter and fuse.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector.
3.
Check continuity between combination meter harness connector terminals and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000010088795
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Power source
Fuse No.
Battery
11
Ignition switch ON or START
4
Terminals
Ignition switch po-
sition
Voltage
(Approx.)
(+)
(-)
Combination meter
Ground
Connector
Terminal
M34
1
OFF
Battery voltage
2
ON
Terminals
Continuity
(+)
(-)
Combination meter
Ground
Connector
Terminal
M34
3
Existed
23
WCS
POWER SUPPLY AND GROUND CIRCUIT
WCS-23
< DTC/CIRCUIT DIAGNOSIS >
C
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F
G
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K
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M
B
A
O
P
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Signal name
Fuse and fusible link No.
Battery power supply
L
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
WCS-24
< DTC/CIRCUIT DIAGNOSIS >
METER BUZZER CIRCUIT
METER BUZZER CIRCUIT
Description
INFOID:0000000009721364
• The buzzer for warning chime system is installed in the combination meter.
• The combination meter sounds the alarm buzzer based on the signals transmitted from various units.
Component Function Check
INFOID:0000000009721365
1.
CHECK OPERATION OF METER BUZZER
1.
Select “BUZZER” of “BCM” on CONSULT.
2.
Perform “LIGHT WARN ALM” of “Active Test”.
Does meter buzzer beep?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
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.
NO
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
Diagnosis Procedure
INFOID:0000000009721366
1.
CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Refer to
MWI-44, "COMBINATION METER : Diagnosis Proce-
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair power supply circuit of combination meter. Refer to
BUZZER
Under the condition of buzzer input
: On
Except above
: Off
WCS
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
WCS-25
< DTC/CIRCUIT DIAGNOSIS >
C
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B
A
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SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000009721367
Transmits a seat belt buckle switch signal (driver side) to the combination meter.
Component Function Check
INFOID:0000000009721368
1.
CHECK COMBINATION METER INPUT SIGNAL
Select the “Data Monitor” for the “METER/M&A” and check the “BUCKLE SW” monitor value.
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009721369
1.
CHECK COMBINATION METER INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between combination meter harness connector terminal and ground.
Is the inspection result normal?
YES
>> Replace combination meter
NO
>> GO TO 2.
2.
CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector and seat belt buckle switch (driver side) connector.
3.
Check continuity between combination meter harness connector terminal and seat belt buckle switch
(driver side) harness connector terminal.
• *1 : Without automatic drive positioner
• *2 : With automatic drive positioner
4.
Check harness continuity between combination meter harness connector terminal and ground.
BUCKLE SW
When seat belt is fastened
: Off
When seat belt is unfastened
: On
Terminals
Condition
Voltage
(Approx.)
(+)
(-)
Combination meter
Ground
Connector
Terminal
M34
35
When seat belt is fastened
12 V
When seat belt is unfastened
0 V
Terminals
Continuity
(+)
(-)
Combination meter
Seat belt buckle switch(driver side)
Connector
Terminal
Connector
Terminal
M34
35
B409
*1
15
*1
Exist
B449
*2
40
*2
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