Infiniti G37 Coupe. Manual — part 1384
WCS-8
< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
LIGHT REMINDER WARNING CHIME : Component Parts Location
INFOID:0000000001697929
LIGHT REMINDER WARNING CHIME : Component Description
INFOID:0000000001606811
SEAT BELT WARNING CHIME
JPNIA0502ZZ
1.
BCM
2.
Parking brake switch (A/T models)
3.
Combination meter
4.
Combination switch
(Lighting switch)
5.
Unified meter and A/C amp.
6.
Front driver side door switch
7.
Seat belt buckle switch (driver side)
8.
Parking brake switch (M/T models)
A.
Dash side lower (passenger side)
B.
Behind cluster lid C (back)
Unit
Description
Combination meter
Receives a buzzer output signal from the unified meter and A/C amp. and sounds the buzzer.
Unified meter and A/C amp.
Receives a buzzer output signal from BCM via CAN communication line and transmits it to the com-
bination meter by means of communication line.
BCM
Judges the light warning chime conditions from the signals provided by various switches and trans-
mits a buzzer output signal to the unified meter and A/C amp. via CAN communication line if nec-
essary.
Combination switch
(Lighting switch)
Transmits the lighting switch position signal to BCM.
Front driver side door switch
Transmits the front driver side door switch signal to BCM.
WCS
WARNING CHIME SYSTEM
WCS-9
< FUNCTION DIAGNOSIS >
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SEAT BELT WARNING CHIME : System Diagram
INFOID:0000000001606812
SEAT BELT WARNING CHIME : System Description
INFOID:0000000001606813
DESCRIPTION
With ignition switch turned ON and driver seat belt unfastened, seat belt warning chime will sound for approxi-
mately 6 seconds.
• BCM receives seat belt buckle switch signal from unified meter and A/C amp. with CAN communication line.
• BCM detects ignition switch turned ON and seat belt buckle switch (driver side) ON. And then transmits
buzzer output signal (seat belt warning chime) to unified meter and A/C amp. with CAN communication line.
• Unified meter and A/C amp. transmits buzzer output signal (seat belt warning chime) to combination meter
with communication line.
• When combination meter receives buzzer output signal (seat belt warning chime), it sounds the buzzer.
WARNING OPERATION CONDITIONS
If all of the following conditions are fulfilled.
• Ignition switch OFF
→
ON
• Seat buckle switch (driver side) is ON (driver seat belt unfastened)
WARNING CANCEL CONDITIONS
Warning is canceled if any of the following conditions is fulfilled.
• Ignition switch OFF
• Seat buckle switch (driver side) is OFF (driver seat belt fastened)
JSNIA0621GB
WCS-10
< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
SEAT BELT WARNING CHIME : Component Parts Location
INFOID:0000000001697930
SEAT BELT WARNING CHIME : Component Description
INFOID:0000000001606815
PARKING BRAKE RELEASE WARNING CHIME
JPNIA0502ZZ
1.
BCM
2.
Parking brake switch (A/T models)
3.
Combination meter
4.
Combination switch
(Lighting switch)
5.
Unified meter and A/C amp.
6.
Front driver side door switch
7.
Seat belt buckle switch (driver side)
8.
Parking brake switch (M/T models)
A.
Dash side lower (passenger side)
B.
Behind cluster lid C (back)
Unit
Description
Combination meter
Receives a buzzer output signal from the unified meter and A/C amp. and sounds the buzzer.
Unified meter and A/C amp.
• Receives the seat belt buckle switch (driver side) signal from the seat belt buckle switch (driver
side) and transmits it to BCM via CAN communication line.
• Receives a buzzer output signal from BCM via CAN communication line and transmits it to the
combination meter by means of communication line.
BCM
Judges the seat belt warning chime condition from the seat belt buckle switch signal received from
the unified meter and A/C amp. and transmits a buzzer output signal to the unified meter and A/C
amp via CAN communication line if necessary.
Seat belt buckle switch
(driver side)
Refer to
WCS
WARNING CHIME SYSTEM
WCS-11
< FUNCTION DIAGNOSIS >
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PARKING BRAKE RELEASE WARNING CHIME : System Diagram
INFOID:0000000001606816
PARKING BRAKE RELEASE WARNING CHIME : System Description
INFOID:0000000001606817
DESCRIPTION
• The unified meter and A/C amp. receives the vehicle speed signal from the ABS actuator and electric unit
(control unit) via CAN communication line and transmits it to the combination meter by means of communi-
cation line.
• The combination meter judges whether the parking brake is released from the vehicle speed signal received
from the unified meter and A/C amp. and the parking brake switch signal from the parking brake switch, and
sounds the warning buzzer if necessary.
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 is fulfilled.
• Vehicle speed is approximately 3 km/h (1.9 MPH) or less
• Parking brake switch OFF
JSNIA0622GB
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