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/

M&A)"

.

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