Nissan Maxima. Manual - part 1189

WCS-8

< SYSTEM DESCRIPTION >

WARNING CHIME SYSTEM

LIGHT REMINDER WARNING CHIME : Component Parts Location

INFOID:0000000010049220

LIGHT REMINDER WARNING CHIME : Component Description

INFOID:0000000010049221

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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

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 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.

WCS

WARNING CHIME SYSTEM

WCS-9

< SYSTEM DESCRIPTION >

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SEAT BELT WARNING CHIME
SEAT BELT WARNING CHIME : System Diagram

INFOID:0000000010049222

SEAT BELT WARNING CHIME : System Description

INFOID:0000000010049223

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 LH 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 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 buckle switch LH is OFF (driver seat belt fastened)

• 90 seconds have passed since the start of the warning

AWNIA2678GB

WCS-10

< SYSTEM DESCRIPTION >

WARNING CHIME SYSTEM

SEAT BELT WARNING CHIME : Component Parts Location

INFOID:0000000010049224

SEAT BELT WARNING CHIME : Component Description

INFOID:0000000010049225

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

• Receives the seat belt buckle switch LH signal from the seat belt buckle switch LH 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 LH 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 switch LH

Transmits seat belt buckle switch LH signal to combination meter.

WCS

WARNING CHIME SYSTEM

WCS-11

< SYSTEM DESCRIPTION >

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PARKING BRAKE RELEASE WARNING CHIME
PARKING BRAKE RELEASE WARNING CHIME : System Diagram

INFOID:0000000010049226

PARKING BRAKE RELEASE WARNING CHIME : System Description

INFOID:0000000010049227

DESCRIPTION

• The combination meter receives the vehicle speed signal from the ABS actuator and electric unit (control

unit) via CAN communication line.

• The combination meter judges whether the parking brake is released using the parking brake switch signal

from the parking brake switch, and sounds the warning buzzer if necessary.

WARNING OPERATION CONDITIONS

If all of the following conditions are fulfilled

• Vehicle speed is approximately 7 km/h (4.3 MPH) or higher

• Parking brake switch ON

WARNING CANCEL CONDITIONS

Warning is canceled if any of the following conditions is fulfilled.

• Vehicle speed is approximately 3 km/h (1.9 MPH) or less

• Parking brake switch OFF

AWNIA0263GB