Nissan GT-R. Instruction — part 319
WCS
METER BUZZER CIRCUIT
WCS-15
< DTC/CIRCUIT DIAGNOSIS >
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METER BUZZER CIRCUIT
Description
INFOID:0000000009188788
• 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 and
switches.
Diagnosis Procedure
INFOID:0000000009188789
1.
CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Refer to
MWI-40, "COMBINATION METER : Diagnosis Proce-
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair power supply circuit of combination meter. Refer to
WCS-16
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
Description
INFOID:0000000009188790
Transmits a seat belt buckle switch signal to the combination meter.
Diagnosis Procedure
INFOID:0000000009188791
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.
4.
Check harness continuity between combination meter harness connector terminal and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT
Check harness continuity between seat belt buckle switch (driver side) harness connector terminal and
ground.
Terminals
Condition
Voltage
(Approx.)
(+)
(-)
Combination meter
Ground
Connector
Terminal
M53
30
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
M53
30
B12
3
Exist
Terminals
Continuity
(+)
(-)
Combination meter
Ground
Connector
Terminal
M53
30
Not existed
WCS
SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT
WCS-17
< DTC/CIRCUIT DIAGNOSIS >
C
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F
G
H
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J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000009188792
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.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the seat belt buckle. Refer to
SB-8, "SEAT BELT BUCKLE : Removal and Installation"
.
Terminals
Continuity
(+)
(-)
Seat belt buckle switch (driver side)
Ground
Connector
Terminal
B12
2
Exist
Seat belt buckle switch
(driver side)
Condition
Continuity
3
2
When seat belt (driver side) is fastened
Not existed
When seat belt (driver side) is unfastened
Exist
WCS-18
< DTC/CIRCUIT DIAGNOSIS >
WARNING CHIME SYSTEM
WARNING CHIME SYSTEM
Wiring Diagram - WARNING CHIME -
INFOID:0000000009188793
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JCNWA1146GB
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