2010 INFINITI QX56 belt

WCS-4
< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
FUNCTION DIAGNOSIS
WARNING CHIME SYSTEM
WARNING CHIME SYSTEM
WARNING CHIME SYSTEM : System DiagramINFOID:0000000005146134
WARNING CHIME SYSTEM : System DescriptionINFOID:0000000005146135
COMBINATION METER
• The buzzer for warning chime system is installed in the combination meter.
• The buzzer sounds when the combination meter receives a buzzer output signal from each unit.
BCM
BCM receives signals from various units and transmits a buzzer output signal to the combination meter with
CAN communication line if it judges that the warning buzzer should be activated.
BCM warning function list
AWNIA0210GB
Warning functions Signal name
Light reminder warning chime • Lighting switch position signal
• Door switch signal
Seat belt warning chime Seat belt buckle switch signal
Key warning chime • Key switch signal
• Door switch signal
Revision: April 20092010 QX56

WCS
WARNING CHIME SYSTEMWCS-5
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WARNING CHIME SYSTEM : Component Parts LocationINFOID:0000000005146136
WARNING CHIME SYSTEM : Component DescriptionINFOID:0000000005146137
AWNIA0211ZZ
1. Combination meter M23, M24 2. Combination switch (lighting switch)
M283. BCM M18, M19, M20 (view with instru-
ment lower panel LH removed)
4. Front door switch LH B8 5. Key switch and ignition knob switch
M12 6. Seat belt buckle pre-tensioner assem-
bly LH (seat belt buckle switch) B74
Unit Description
Combination meter • Receives the seat belt buckle switch signal from the seat belt buckle pre-tensioner assembly
LH (seat belt buckle switch) and transmits it to BCM with CAN communication line.
• Receives a buzzer output signal from BCM with CAN communication line.
BCM Transmits signals provided by various units to the combination meter with CAN communication
line.
Key switch and ignition knob
switch Transmits key switch signal to BCM.
Revision: April 20092010 QX56

WCS-6
< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
LIGHT REMINDER WARNING CHIME
LIGHT REMINDER WARNING CHIME : System DiagramINFOID:0000000005146138
LIGHT REMINDER WARNING CHIME : System DescriptionINFOID:0000000005146139
DESCRIPTION
With ignition switch in OFF or ACC position, driver door open, and lighting switch in 1ST or 2ND position, the
light warning chime will sound.
• BCM detects ignition switch in OFF or ACC position, front door switch LH ON, and lighting switch in 1ST or2ND position. And then transmits 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• Lighting switch is at 1st or 2nd position
• Ignition switch is at OFF or ACC
• Front door switch LH 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 LH is OFF
Seat belt buckle pre-tensioner as-
sembly LH (seat belt buckle
switch)Transmits a seat belt buckle switch signal to the combination meter.
Combination switch
(Lighting switch) Transmits the lighting switch position signal to BCM.
Front door switch LH Transmits the door switch signal to BCM.
Unit
Description
WKIA5465E
Revision: April 20092010 QX56

WCS
WARNING CHIME SYSTEMWCS-7
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LIGHT REMINDER WARNING CHIM E : Component Parts LocationINFOID:0000000005146140
LIGHT REMINDER WARNING CHIME : Component DescriptionINFOID:0000000005146141
SEAT BELT WARNING CHIME
AWNIA0211ZZ
1. Combination meter M23, M24 2. Combination switch (lighting switch)
M283. BCM M18, M19, M20 (view with instru-
ment lower panel LH removed)
4. Front door switch LH B8 5. Key switch and ignition knob switch
M12 6. Seat belt buckle pre-tensioner assem-
bly LH (seat belt buckle switch) B74
Unit Description
Combination meter Receives a buzzer output signal from BCM via CAN communication line 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 LH Transmits the door switch signal to BCM.
Revision: April 20092010 QX56

WCS-8
< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
SEAT BELT WARNING CHIME : System Diagram
INFOID:0000000005146142
SEAT BELT WARNING CHIME : System DescriptionINFOID:0000000005146143
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 combination meter with CAN communication line.
• BCM detects ignition switch turned ON and seat belt buckle switch LH ON. And then transmits buzzer output signal (seat belt warning chime) to combination meter with CAN 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 belt buckle switch LH is ON (driver seat belt not fastened)
WARNING CANCEL CONDITIONS
Cancels the warning if any of the following conditions is fulfilled.
• Ignition switch OFF
• Seat belt buckle switch LH is OFF (driver seat belt fastened)
AWNIA0156GB
Revision: April 20092010 QX56

WCS
WARNING CHIME SYSTEMWCS-9
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SEAT BELT WARNING CHIME : Component Parts LocationINFOID:0000000005146144
SEAT BELT WARNING CHIME : Component DescriptionINFOID:0000000005146145
AWNIA0211ZZ
1. Combination meter M23, M24 2. Combination switch (lighting switch)
M283. BCM M18, M19, M20 (view with instru-
ment lower panel LH removed)
4. Front door switch LH B8 5. Key switch and ignition knob switch
M12 6. Seat belt buckle pre-tensioner assem-
bly LH (seat belt buckle switch) B74
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 BCM via CAN communication line and sounds the buzzer.
BCM Judges the seat belt warning condition from the seat belt buckle switch signal received from the
combination meter and transmits a buzzer output signal to the combination meter via CAN commu-
nication line if necessary.
Seat belt buckle pre-tensioner
assembly LH (seat belt buckle
switch) Transmits seat belt buckle switch signal to combination meter.
Revision: April 20092010 QX56

WCS
WARNING CHIME SYSTEMWCS-11
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KEY WARNING CHIME : Co mponent Parts LocationINFOID:0000000005146148
KEY WARNING CHIME : Component DescriptionINFOID:0000000005146149
AWNIA0211ZZ
1. Combination meter M23, M24 2. Combination switch (lighting switch)
M283. BCM M18, M19, M20 (view with instru-
ment lower panel LH removed)
4. Front door switch LH B8 5. Key switch and ignition knob switch
M12 6. Seat belt buckle pre-tensioner assem-
bly LH (seat belt buckle switch) B74
Unit Description
Combination meter Receives key warning signal from BCM via CAN communication line and sounds the buzzer.
BCM Judges the key warning condition using the door switch signal received from the front door switch
LH, and the key switch signal received from the key switch and ignition knob switch. It then transmits
a buzzer output signal to the combination meter via CAN communication line if necessary.
Front door switch LH Transmits door switch signal to BCM.
Key switch and ignition knob
switch Transmits key switch signal to BCM.
Revision: April 20092010 QX56

WCS
DIAGNOSIS SYSTEM (METER)WCS-13
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NOTE:
Some items are not available due to vehicle specification.
*: The monitor will indicate “OFF” even though the brake warnin g lamp is on if either of the following conditions exist.
• The parking brake is engaged
• The brake fluid level is low AT SFT DWN SW [ON/OFF]
XX Displays [ON/O FF] condition of A/T shift-down switch.
DISTANCE [km] or [mile] XXDisplays the value, which is calculated by vehicle speed signal, fuel
gauge and fuel consumption from ECM.
BUZZER [ON/OFF] XX Displays [ON/ OFF] condition of buzzer.
BRAKE SW [ON/OFF] X Indicates [ON/OFF] condition of parking brake switch.
AT-M GEAR [1, 2, 3, 4] XX Indicates [1, 2, 3, 4] condition of A/T manual mode gear position.
P RANGE IND [ON/OFF] XX Indicates [ON/OFF] condition of A/T shift P range indicator.
R RANGE IND [ON/OFF] XX Indicates [ON/OFF] condition of A/T shift R range indicator.
N RANGE IND [ON/OFF] XX Indicates [ON/OFF] condition of A/T shift N range indicator.
D RANGE IND [ON/OFF] XX Indicates [ON/OFF] condition of A/T shift D range indicator.
4 RANGE IND [ON/OFF] XX Indicates [ON/OFF] condition of A/T shift 4 range indicator.
3 RANGE IND [ON/OFF] XX Indicates [ON/OFF] condition of A/T shift 3 range indicator.
2 RANGE IND [ON/OFF] XX Indicates [ON/OFF] condition of A/T shift 2 range indicator.
1 RANGE IND [ON/OFF] XX Indicates [ON/OFF] condition of A/T shift 1range indicator.
CRUISE W/L [ON/OFF] X Indicates [ON/OFF] condition of CRUISE warning lamp.
4WD LOCK SW [ON/OFF] X Indicates [ON/OFF] condition of 4WD lock switch.
4WD LOCK IND [ON/OFF] X Indicates [ON/OFF] condition of 4WD lock indicator.
SEAT BELT W/L [ON/OFF] X Indicates [ON/OFF] condition of seat belt warning lamp.
LIGHT IND [ON/OFF] X Indicates [ON/OFF] condition of light indicator.
4WD W/L [ON/OFF] X Indicates [ON/OFF] condition of 4WD warning lamp.
Display item [Unit]
MAIN
SIGNALS SELECTION
FROM MENU Description
Revision: April 20092010 QX56