Nissan GT-R. Instruction — part 317
WCS
WARNING CHIME SYSTEM
WCS-7
< SYSTEM DESCRIPTION >
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SEAT BELT WARNING CHIME : System Diagram
INFOID:0000000009188774
SEAT BELT WARNING CHIME : System Description
INFOID:0000000009188775
DESCRIPTION
With ignition switch turned ON and driver seat belt unfastened, seat belt warning chime will sound for approxi-
mately 6 seconds.
• The combination meter receives the seat belt buckle switch signal from seat belt buckle switch (driver side)
and transmits it to the BCM via CAN communication.
• The BCM receives seat belt buckle switch signal from combination meter via CAN communication.
• The BCM detects seat belt reminder warning based on the received signal and transmits the buzzer output
signal to combination meter via CAN communication.
• The combination meter receives the buzzer output signal from BCM via CAN communication and sounds the
warning buzzer.
WARNING OPERATION CONDITIONS
If all of the following conditions are fulfilled, the warning buzzer will sound.
• Ignition switch OFF
→
ON
• Seat belt buckle switch (driver side) is ON (driver seat belt not fastened)
WARNING CANCEL CONDITIONS
Warning is canceled if any of the following conditions are fulfilled.
• Ignition switch OFF
• Seat belt buckle switch (driver side) is OFF (driver seat belt fastened)
JPNIA1152GB
WCS-8
< SYSTEM DESCRIPTION >
WARNING CHIME SYSTEM
SEAT BELT WARNING CHIME : Component Parts Location
INFOID:0000000009188776
SEAT BELT WARNING CHIME : Component Description
INFOID:0000000009188777
PARKING BRAKE RELEASE WARNING CHIME
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
Unit
Description
Combination meter
• Receives the seat belt buckle switch signal from the seat belt buckle switch and transmits it to
BCM via CAN communication line.
• Receives a buzzer output signal from the BCM and sounds the buzzer.
BCM
Judges the seat belt warning condition according to the seat belt buckle switch signal received from
the combination meter via CAN communication and transmits a buzzer output signal to the combi-
nation meter via CAN communication line if necessary.
Seat belt buckle switch
(driver side)
Transmits the seat belt buckle switch signal to the combination meter.
WCS
WARNING CHIME SYSTEM
WCS-9
< SYSTEM DESCRIPTION >
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PARKING BRAKE RELEASE WARNING CHIME : System Diagram
INFOID:0000000009188778
PARKING BRAKE RELEASE WARNING CHIME : System Description
INFOID:0000000009188779
DESCRIPTION
Parking brake release warning chime judges the remaining parking brake according to the vehicle speed sig-
nal received from the ABS actuator and electric unit (control unit) via CAN communication and the parking
brake switch signal from parking brake switch to sound the warning buzzer.
WARNING OPERATION CONDITIONS
If all of the following conditions are fulfilled.
• Vehicle speed is 7 km/h (4.3 MPH) or higher
• Parking brake switch ON
WARNING CANCEL CONDITIONS
Warning is canceled if any of the following conditions are fulfilled.
• Vehicle speed is approximately 3 km/h (1.9 MPH) or less
• Parking brake switch OFF
JPNIA0751GB
WCS-10
< SYSTEM DESCRIPTION >
WARNING CHIME SYSTEM
PARKING BRAKE RELEASE WARNING CHIME : Component Parts Location
INFOID:0000000009188780
PARKING BRAKE RELEASE WARNING CHIME : Component Description
INFOID:0000000009188781
REVERSE WARNING CHIME
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
Unit
Description
Combination meter
Judges the remaining parking brake according to the vehicle speed signal received from the ABS
actuator and electric unit (control unit) via CAN communication and the parking brake switch signal
from parking brake switch and sounds the warning buzzer.
ABS actuator and electric unit
(control unit)
Transmits the vehicle speed signal to the combination meter via CAN communication.
Parking brake switch
Transmits the parking brake switch signal to the combination meter.
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