Nissan Cube. Manual — part 1005
WCS
POWER SUPPLY AND GROUND CIRCUIT
WCS-23
< DTC/CIRCUIT DIAGNOSIS >
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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.
BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM)
BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Diag-
nosis Procedure
INFOID:0000000010244843
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not fusing.
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.
Signal name
Fuse and fusible link No.
Battery power supply
G
8
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M70
70
Battery voltage
57
BCM
Ground
Continuity
Connector
Terminal
M70
67
Existed
Signal name
Fuses and fusible link No.
Battery power supply
8
G
ACC power supply
20
Ignition power supply
2
WCS-24
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
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.
Terminals
Ignition switch position
(+)
(
−
)
BCM
OFF
ACC
ON
Connector
Terminal
M67
70
Ground
Battery
voltage
Battery
voltage
Battery
voltage
57
M65
11
Approx.
0 V
Battery
voltage
Battery
voltage
38
Approx.
0 V
Approx.
0 V
Battery
voltage
BCM
Ground
Continuity
Connector
Terminal
M67
67
Existed
WCS
METER BUZZER CIRCUIT
WCS-25
< DTC/CIRCUIT DIAGNOSIS >
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METER BUZZER CIRCUIT
Description
INFOID:0000000009945521
• 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:0000000009945522
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-88, "Removal and Installation"
(with Intelligent Key system) or
155, "Removal and Installation"
(without Intelligent Key system).
Diagnosis Procedure
INFOID:0000000009945523
1.
CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Refer to
WCS-22, "COMBINATION METER : Diagnosis Proce-
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair power supply circuit of combination meter.
“BUZZER”
Under the condition of buzzer input
: On
Except above
: Off
WCS-26
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000009945524
Transmits a seat belt buckle switch signal (driver side) to the combination meter.
Component Function Check
INFOID:0000000009945525
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:0000000009945526
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 (DRIVER SIDE) 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 and seat belt buckle switch (driver side)
harness connector.
4.
Check harness continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
“BUCKLE SW”
When seat belt is fastened
: Off
When seat belt is unfastened
: On
Terminals
Condition
Voltage
(Pyrex.)
(+)
(-)
Combination meter
Ground
Connector
Terminal
M34
9
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
9
B22
1
Exist
Terminals
Continuity
Combination meter
Ground
Connector
Terminal
M34
9
Not existed
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