Nissan Murano Z51. Manual — part 1491
WCS
WARNING CHIME SYSTEM
WCS-5
< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
WARNING CHIME SYSTEM
WARNING CHIME SYSTEM
WARNING CHIME SYSTEM : System Diagram
INFOID:0000000005524965
WARNING CHIME SYSTEM : System Description
INFOID:0000000005524966
COMBINATION METER
• The buzzer (1) for the warning chime system is integrated in the
combination meter.
• The combination meter sounds the alarm buzzer installed in the
combination meter when receiving the buzzer output signal trans-
mitted from each unit.
BCM
BCM receives signals from various units and transmits a buzzer output signal to the combination meter via
CAN communication if it judges that the warning buzzer should be activated.
BCM Warning Function List
JPNIA1556GB
JPNIA0741ZZ
WCS-6
< SYSTEM DESCRIPTION >
WARNING CHIME SYSTEM
NOTE:
Parking brake release warning chime is detected by combination meter.
WARNING CHIME SYSTEM : Component Parts Location
INFOID:0000000005524967
Warning functions
Signal name
Light reminder warning chime
• Ignition switch signal
• Lighting switch position signal
• Door switch signal (driver side)
Seat belt warning chime
• Ignition switch signal
• Seat belt buckle switch signal (driver side)
Key warning chime
• Ignition signal
• Key slot switch signal
• Door switch signal (driver side)
JPNIA0814ZZ
1.
Front door switch (driver side)
2.
Combination switch
(Lighting switch)
3.
Parking brake
4.
Seat belt buckle switch (driver side)
5.
Key slot
6.
BCM
7.
Combination meter
A.
Behind the combination meter
WCS
WARNING CHIME SYSTEM
WCS-7
< SYSTEM DESCRIPTION >
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WARNING CHIME SYSTEM : Component Description
INFOID:0000000005524968
LIGHT REMINDER WARNING CHIME
LIGHT REMINDER WARNING CHIME : System Diagram
INFOID:0000000005524969
LIGHT REMINDER WARNING CHIME : System Description
INFOID:0000000005524970
DESCRIPTION
With ignition switch in the OFF or ACC position, when the driver door is open and the lighting switch is the 1st
or 2nd position, the light warning chime will sound.
• BCM detects ignition switch in the OFF or ACC position, front door switch (driver side) ON, and lighting
switch in 1st or 2nd position. Then the BCM transmits the buzzer output signal (light reminder warning
chime) to combination meter with CAN communication line.
• When combination meter receives buzzer output signal (light reminder warning chime), it sounds the buzzer.
WARNING OPERATION CONDITIONS
If all of the following conditions are fulfilled.
• Ignition switch is in the OFF or ACC
• Lighting switch is in the 1st or 2nd position
• Front door switch (driver side) is ON
WARNING CANCEL CONDITIONS
Warning is canceled if any of the following conditions is fulfilled.
• Lighting switch OFF
• Ignition switch ON
• Front door switch (driver side) is OFF
Unit
Description
Combination meter
• Receives a buzzer output signal from the BCM with CAN communication line and sounds the
buzzer.
• Judges whether the parking brake is released from the vehicle speed signal received from the
ABS actuator and electric unit (control unit) with CAN communication line and the parking
brake switch signal from the parking brake switch, and sounds the buzzer if necessary.
• Receives the seat belt buckle switch signal (driver side) from the seat belt buckle switch (driver
side) and transmits it to BCM with CAN communication line.
BCM
Transmits signals provided by various units to the combination meter with CAN communication
line.
ABS actuator and electric unit
(control unit)
Transmits the vehicle speed signal to combination meter with CAN communication line.
Seat belt buckle switch (driver
side)
Transmits a seat belt buckle switch signal (driver side) to the combination meter.
Combination switch
(Lighting switch)
Transmits the lighting switch position signal to BCM.
Front door switch
(driver side)
Transmits the door switch signal (driver side) to BCM.
Parking brake switch
Refer to
Key slot
Transmits the key slot switch signal to BCM.
JPNIA0749GB
WCS-8
< SYSTEM DESCRIPTION >
WARNING CHIME SYSTEM
LIGHT REMINDER WARNING CHIME : Component Parts Location
INFOID:0000000005524971
LIGHT REMINDER WARNING CHIME : Component Description
INFOID:0000000005524972
SEAT BELT WARNING CHIME
JPNIA0814ZZ
1.
Front door switch (driver side)
2.
Combination switch
(Lighting switch)
3.
Parking brake
4.
Seat belt buckle switch (driver side)
5.
Key slot
6.
BCM
7.
Combination meter
A.
Behind the combination meter
Unit
Description
Combination meter
Receives a buzzer output signal from the BCM and sounds the buzzer.
BCM
Judges the light warning conditions from the signals provided by various switches and transmits a
buzzer output signal to the combination meter via CAN communication line if necessary.
Combination switch
(Lighting switch)
Transmits the lighting switch position signal to BCM.
Front door switch (driver side)
Transmits the door switch signal (driver side) to BCM.
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