Nissan Note E12. Instruction — part 683
WCS
POWER SUPPLY AND GROUND CIRCUIT
WCS-27
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
NO
>> Repair or replace harness or connector.
BODY CONTROL SYSTEM
BODY CONTROL SYSTEM : Diagnosis Procedure
INFOID:0000000009725669
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown.
Is the fuse blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connector M99.
2. Check voltage between BCM connector M99 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector M99 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair harness or connector.
Terminal No.
Signal name
Fuses and fusible link No.
57
Battery power supply
12 (10A)
70
G (40A)
BCM
Ground
Voltage
Connector
Terminal
M99
57
—
Battery voltage
70
BCM
Ground
Continuity
Connector
Terminal
M99
67
—
Yes
WCS-28
< DTC/CIRCUIT DIAGNOSIS >
METER BUZZER CIRCUIT
METER BUZZER CIRCUIT
Component Function Check
INFOID:0000000009541214
1.
CHECK OPERATION OF METER BUZZER
1. Select BUZZER of BCM(BUZZER) 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/MA and check the BUZZER monitor value.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-48, "Removal and Installation"
NO
>> Replace BCM. Refer to
BCS-67, "Removal and Installation"
Diagnosis Procedure
INFOID:0000000009541215
Regarding Wiring Diagram information, refer to
.
1.
CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Refer to
WCS-26, "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
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
WCS-29
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000009541216
Transmits a seat belt buckle switch LH signal to the combination meter.
Component Function Check
INFOID:0000000009541217
1.
CHECK COMBINATION METER INPUT SIGNAL
Select DATA MONITOR for METER/M&A and check the SEAT BELT W/L monitor value.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009541218
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-48, "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 LH (driver seat) har-
ness connector B16.
3. Check continuity between combination meter harness connector M24 terminal 9 and seat belt buckle
switch LH (driver seat) harness connector B13 terminal 1.
4. Check continuity between combination meter harness connector M24 terminal 9 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
Monitor Item
Condition
Status
BUCKLE SW
When seat belt LH (driver seat) is fastened
OFF
When seat belt LH (driver seat) is unfastened
ON
Combination meter
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M24
9
—
When seat belt LH (driver seat) is fastened
12 V
When seat belt LH (driver seat) is unfastened
0 V
Combination meter
Seat belt buckle switch LH (driver seat)
Continuity
Connector
Terminal
Connector
Terminal
M24
9
B13
1
Yes
Combination meter
Ground
Continuity
Connector
Terminal
M24
9
—
No
WCS-30
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
NO
>> Repair or replace harness or connector.
3.
CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT
Check continuity between seat belt buckle switch LH (driver seat) harness connector B13 terminal 2 and
ground.
Is the inspection result normal?
YES
>> Check the seat belt buckle switch LH. Refer to
SR-24, "Removal and Installation"
NO
>> Repair or replace harness or connector.
Component Inspection
INFOID:0000000009541219
1.
CHECK SEAT BELT BUCKLE SWITCH LH
1. Turn ignition switch OFF.
2. Disconnect the seat belt buckle switch LH (driver seat).
3. Check continuity between the seat belt buckle switch LH (driver seat) terminals 1 and 2.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace the seat belt buckle switch LH. Refer to
SR-24, "Removal and Installation"
Seat belt buckle switch LH (driver seat)
Ground
Continuity
Connector
Terminal
B13
2
—
Yes
Terminal
Condition
Continuity
1
2
When seat belt is fastened
No
When seat belt is unfastened
Yes
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