Nissan GT-R. Manual — part 318
WCS
WARNING CHIME SYSTEM
WCS-11
< SYSTEM DESCRIPTION >
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REVERSE WARNING CHIME : System Diagram
INFOID:0000000009188782
REVERSE WARNING CHIME : System Description
INFOID:0000000009188783
DESCRIPTION
• The BCM receives shift position signal (reverse range) from TCM via CAN communication.
• The BCM detects reverse warning chime based on the received signal and transmits the buzzer output sig-
nal to combination meter via CAN communication.
• The combination meter receives the buzzer output signal from BCM via CAN communication and sounds the
warning buzzer.
REVERSE WARNING CHIME : Component Parts Location
INFOID:0000000009188784
NNNIA0185GB
1.
Door switch (driver side)
2.
Seat belt buckle switch (driver side)
3.
Parking brake switch
4.
TCM
5.
Combination meter
6.
Combination switch (lighting switch)
7.
BCM
A.
Lower part of passenger side dash-
board
NNNIA0184ZZ
WCS-12
< SYSTEM DESCRIPTION >
WARNING CHIME SYSTEM
REVERSE WARNING CHIME : Component Description
INFOID:0000000009188785
Unit
Description
Combination meter
Receives a buzzer output signal from the BCM and sounds the buzzer.
BCM
• The BCM receives shift position signal from TCM via CAN communication.
• The BCM detects reverse warning based on the received signal and transmits the buzzer output
signal to combination meter via CAN communication.
TCM
Transmits the shift position signal to BCM via CAN communication.
WCS
POWER SUPPLY AND GROUND CIRCUIT
WCS-13
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
INFOID:0000000009188786
1.
CHECK FUSES
Check that the following fuses are not blown:
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the fuse with a new one after repairing the applicable circuit.
2.
CHECK POWER SUPPLY CIRCUIT
Check the voltage between the combination meter harness connector terminals and the ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the harness between the fuse and the combination meter.
3.
CHECK GROUND CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the combination meter connector.
3.
Check for continuity between the combination meter harness connector terminals and the ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair the harnesses or connectors.
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
INFOID:0000000009188787
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
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.
Power source
Fuse No.
Battery
11
Ignition switch ON or START
4
Terminal No.
Signal name
Ignition switch
Voltage
1
Battery power supply
OFF
Battery voltage
2
Ignition signal
ON
Battery voltage
Combination meter
Ground
Continuity
Connector
Terminal
M53
3
Existed
5
Signal name
Fuse and fusible link No.
Battery power supply
I
10
WCS-14
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
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.
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
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