Nissan Tiida C11. Instruction — part 1435
WCS-22
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
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.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair or replace harness.
Terminal No.
Signal name
Fuses and fusible link No.
22
Battery power supply
9 (10A)
72
8 (10A)
74
G (40A)
79
24
Ignition power supply
55 (10A)
Terminals
Ignition switch position
(+)
(
−
)
BCM
OFF
ACC
ON
Connector
Terminal
M18
22
Ground
Battery
voltage
Battery
voltage
Battery
voltage
24
Approx.
0 V
Approx.
0 V
Battery
voltage
M20
72
Battery
voltage
Battery
voltage
Battery
voltage
74
79
ALMIA0188ZZ
BCM
Ground
Continuity
Connector
Terminal
M18
2
Yes
M20
70
ALMIA0189ZZ
WCS
METER BUZZER CIRCUIT
WCS-23
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
METER BUZZER CIRCUIT
Description
INFOID:0000000001722929
• 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:0000000001722930
1.
CHECK OPERATION OF METER BUZZER
1.
Select “BUZZER” of “BCM” on CONSULT-III.
2.
Perform “LIGHT WARN ALM” of “ACTIVE TEST”.
Does meter buzzer activate?
YES
>> Inspection End.
NO
>> Replace combination meter. Refer to
MWI-94, "Removal and Installation"
Diagnosis Procedure
INFOID:0000000001722931
1.
CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Refer to
WCS-21, "COMBINATION METER : Diagnosis Proce-
.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair power supply circuit of combination meter.
WCS-24
< COMPONENT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000001722932
Transmits a seat belt buckle switch signal to the combination meter.
Component Function Check
INFOID:0000000001722933
1.
CHECK COMBINATION METER INPUT SIGNAL
Select “DATA MONITOR” for “METER/M&A” and check the “SEAT BELT W/L” monitor value.
>> Inspection End.
Diagnosis Procedure
INFOID:0000000001722934
1.
CHECK COMBINATION METER INPUT SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between combination meter harness connector
M24 terminal 3 and ground.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
.
NO
>> GO TO 2
2.
CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect combination meter connector and seat belt warning
lamp control unit connector.
3.
Check continuity between combination meter harness connector
M24 (A) terminal 3 and seat belt warning lamp control unit har-
ness connector B51 (B) terminal 36.
4.
Check continuity between combination meter harness connector
M24 (A) terminal 3 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
SEAT BELT W/L
When seat belt is fastened
: OFF
When seat belt is unfastened
: ON
3 - Ground
When driver seat belt is fastened
: Approx. 12V
When driver seat belt is unfastened
: Approx. 0V
AWNIA0264ZZ
3 - 36
: Continuity should exist.
3 - Ground
: Continuity should not exist.
AWNIA0265ZZ
WCS
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
WCS-25
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1.
Disconnect seat belt buckle switch (driver side) connector.
2.
Check continuity between seat belt warning lamp control unit
harness connector B51 (A) terminal 21 and seat belt buckle
switch (driver side) harness connector B9 (B) terminal 1.
3.
Check continuity between seat belt warning lamp control unit
harness connector B51 (B) terminal 21 and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair harness or connector.
4.
CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT
Check continuity between seat belt buckle switch (driver side) har-
ness connector B9 terminal 2 and ground.
Is the inspection result normal?
YES
>> GO TO 5
NO
>> Repair harness or connector.
5.
CHECK SEAT BELT BUCKLE SWITCH
Perform a unit inspection for the seat belt buckle switch (driver side). Refer to
.
Is the inspection result normal?
YES
>> Replace the seat belt warning lamp control unit.
NO
>> Replace the seat belt buckle switch (driver side).
Component Inspection
INFOID:0000000001722935
1.
CHECK SEAT BELT BUCKLE SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect the seat belt buckle switch (driver side) connector.
3.
Check continuity between terminals 1 and 2.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace the seat belt buckle switch (driver side).
21 - 1
: Continuity should exist.
21 - Ground
: Continuity should not exist.
AWNIA0266ZZ
2 - Ground
: Continuity should exist.
AWNIA0267ZZ
1 – 2
When seat belt is
fastened
: Continuity should not exist.
When seat belt is
unfastened
: Continuity should exist.
AWNIA0268ZZ
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