Nissan Frontier D40. Manual — part 1128
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< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
FUNCTION DIAGNOSIS
WARNING CHIME SYSTEM
WARNING CHIME SYSTEM
WARNING CHIME SYSTEM : System Diagram
INFOID:0000000005274805
WARNING CHIME SYSTEM : System Description
INFOID:0000000005274806
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
AWNIA0645GB
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
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WARNING CHIME SYSTEM
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< FUNCTION DIAGNOSIS >
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WARNING CHIME SYSTEM : Component Parts Location
INFOID:0000000005274807
WARNING CHIME SYSTEM : Component Description
INFOID:0000000005274808
LIGHT REMINDER WARNING CHIME
WKIA4988E
1.
Combination switch (lighting switch)
M28
2.
Combination meter M24
3.
Key switch M27
4.
BCM M18, M19, M20 (view with instru-
ment lower panel LH removed)
5.
Front door switch LH B8 (crew cab)
6.
Front door switch LH D213 (king cab)
7.
Seat belt buckle switch LH B12
Unit
Description
Combination meter
• Receives the seat belt buckle switch signal from the seat belt buckle switch LH 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
Transmits key switch signal to BCM.
Seat belt buckle switch LH
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.
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< FUNCTION DIAGNOSIS >
WARNING CHIME SYSTEM
LIGHT REMINDER WARNING CHIME : System Diagram
INFOID:0000000005274809
LIGHT REMINDER WARNING CHIME : System Description
INFOID:0000000005274810
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 or
2ND 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
WKIA5465E
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WARNING CHIME SYSTEM
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< FUNCTION DIAGNOSIS >
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LIGHT REMINDER WARNING CHIME : Component Parts Location
INFOID:0000000005274811
LIGHT REMINDER WARNING CHIME : Component Description
INFOID:0000000005274812
SEAT BELT WARNING CHIME
SEAT BELT WARNING CHIME : System Diagram
INFOID:0000000005274813
WKIA4988E
1.
Combination switch (lighting switch)
M28
2.
Combination meter M24
3.
Key switch M27
4.
BCM M18, M19, M20 (view with instru-
ment lower panel LH removed)
5.
Front door switch LH B8 (crew cab)
6.
Front door switch LH D213 (king cab)
7.
Seat belt buckle switch LH B12
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.
LKIA0878E
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