Nissan Maxima. Manual — part 1188
WCS-4
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
Connect CONSULT and perform “SELF-DIAGNOSIS”. Refer to
MWI-29, "CONSULT Function (METER/
.
Are self-diagnosis results normal?
YES
>> GO TO 4
NO
>> GO TO 5
4.
NARROW DOWN MALFUNCTIONING PARTS THROUGH SYMPTOM DIAGNOSIS
Perform symptom diagnosis and repair or replace the identified malfunctioning parts.
>> GO TO 5
5.
REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
NOTE:
If DTC is displayed, erase DTC after repairing or replacing malfunctioning parts.
>> GO TO 6
6.
FINAL CHECK
Check that the warning buzzer in the combination meter operates normally.
Does it operate normally?
YES
>> Inspection End.
NO
>> GO TO 1
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:0000000010049214
WARNING CHIME SYSTEM : System Description
INFOID:0000000010049215
COMBINATION METER
• The buzzer (1) for warning chime system is installed in the combi-
nation 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
AWNIA2702GB
AWNIA1633ZZ
Warning functions
Signal name
Light reminder warning chime
• Lighting switch position signal
• Front door switch LH signal
Seat belt warning chime
Seat belt buckle switch LH signal
WCS-6
< SYSTEM DESCRIPTION >
WARNING CHIME SYSTEM
WARNING CHIME SYSTEM : Component Parts Location
INFOID:0000000010049216
WARNING CHIME SYSTEM : Component Description
INFOID:0000000010049217
ALNIA1155ZZ
1.
A. Combination meter M24
B. Combination switch (lighting and
turn signal switch) M28
2.
A. Seat belt buckle switch LH B202
B. Front door switch LH B8
3.
BCM M16, M17, M18, M19 (view with
instrument panel removed)
4.
ABS actuator and electric unit (control
unit) E26
5.
Parking brake switch E35 [view with
instrument panel lower cover (LH) re-
moved]
Unit
Description
Combination meter
• Judges whether the parking brake is released using the vehicle speed signal and the parking
brake switch signal, and sounds the buzzer if necessary.
• Receives the seat belt buckle switch LH signal from the seat belt buckle switch LH and trans-
mits 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.
WCS
WARNING CHIME SYSTEM
WCS-7
< SYSTEM DESCRIPTION >
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LIGHT REMINDER WARNING CHIME
LIGHT REMINDER WARNING CHIME : System Diagram
INFOID:0000000010049218
LIGHT REMINDER WARNING CHIME : System Description
INFOID:0000000010049219
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
ABS actuator and electric unit
(control unit)
Transmits the vehicle speed signal to combination meter with CAN communication line.
Seat belt buckle switch LH
Transmits a seat belt buckle switch LH signal to the combination meter.
Combination switch
(lighting and turn signal switch)
Transmits the lighting switch position signal to BCM.
Front door switch LH
Transmits the front door switch LH signal to BCM.
Parking brake switch
Transmits parking brake signal to combination meter.
Unit
Description
AWNIA2539GB
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