Nissan Murano Z51. Manual - part 1492

WCS

WARNING CHIME SYSTEM

WCS-9

< SYSTEM DESCRIPTION >

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SEAT BELT WARNING CHIME : System Diagram

INFOID:0000000005524973

SEAT BELT WARNING CHIME : System Description

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DESCRIPTION

With ignition switch turned ON and driver seat belt unfastened, seat belt warning chime will sound for approxi-
mately 6 seconds.
• The combination meter receives the seat belt buckle switch signal (driver side) from seat belt buckle switch

(driver side) and transmits it to the BCM via CAN communication.

• The BCM receives seat belt buckle switch signal (driver side) from combination meter via CAN communica-

tion.

• The BCM detects seat belt reminder warning based on the received signal and transmits the buzzer output

signal to combination meter via CAN communication.

• The combination meter receives the buzzer output signal from BCM via CAN communication and sounds the

warning buzzer.

WARNING OPERATION CONDITIONS

If all of the following conditions are fulfilled, the warning buzzer will sound.
• Ignition switch ON
• Seat belt buckle switch (driver side) is ON (driver seat belt not fastened)

WARNING CANCEL CONDITIONS

Warning is canceled if any of the following conditions are fulfilled.
• Ignition switch OFF
• Seat belt buckle switch (driver side) is OFF (driver seat belt fastened)

JPNIA0750GB

WCS-10

< SYSTEM DESCRIPTION >

WARNING CHIME SYSTEM

SEAT BELT WARNING CHIME : Component Parts Location

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SEAT BELT WARNING CHIME : Component Description

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PARKING BRAKE RELEASE WARNING CHIME

JPNIA0814ZZ

1.

Front door switch (driver side)

2.

Combination switch
(Lighting switch)

3.

Parking brake

4.

Seat belt buckle switch (driver side)

5.

Key slot

6.

BCM

7.

Combination meter

A.

Behind the combination meter

Unit

Description

Combination meter

• Receives the seat belt buckle switch signal (driver side) from the seat belt buckle switch (driver 

side) and transmits it to BCM via CAN communication line.

• Receives a buzzer output signal from the BCM and sounds the buzzer.

BCM

Judges the seat belt warning condition according to the seat belt buckle switch signal (driver side) 
received from the combination meter via CAN communication and transmits a buzzer output signal 
to the combination meter via CAN communication line if necessary.

Seat belt buckle switch
(driver side)

Transmits the seat belt buckle switch signal (driver side) to the combination meter.

WCS

WARNING CHIME SYSTEM

WCS-11

< SYSTEM DESCRIPTION >

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PARKING BRAKE RELEASE WARNING CHIME : System Diagram

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PARKING BRAKE RELEASE WARNING CHIME : System Description

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DESCRIPTION

Parking brake release warning chime judges the remaining parking brake according to the vehicle speed sig-
nal received from the ABS actuator and electric unit (control unit) via CAN communication and the parking
brake switch signal from parking brake switch to sound the warning buzzer. 

WARNING OPERATION CONDITIONS

If all of the following conditions are fulfilled.

• Vehicle speed is 7 km/h (4.3 MPH) or higher
• Parking brake switch ON

WARNING CANCEL CONDITIONS

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

• Vehicle speed is approximately 3 km/h (1.9 MPH) or less
• Parking brake switch OFF

JPNIA0751GB

WCS-12

< SYSTEM DESCRIPTION >

WARNING CHIME SYSTEM

PARKING BRAKE RELEASE WARNING CHIME : Component Parts Location

INFOID:0000000005524979

PARKING BRAKE RELEASE WARNING CHIME : Component Description

INFOID:0000000005524980

KEY WARNING CHIME

JPNIA0814ZZ

1.

Front door switch (driver side)

2.

Combination switch
(Lighting switch)

3.

Parking brake

4.

Seat belt buckle switch (driver side)

5.

Key slot

6.

BCM

7.

Combination meter

A.

Behind the combination meter

Unit

Description

Combination meter

Judges the remaining parking brake according to the vehicle speed signal received from the ABS 
actuator and electric unit (control unit) via CAN communication and the parking brake switch signal 
from parking brake switch and sounds the warning buzzer. 

ABS actuator and electric unit 
(control unit)

Transmits the vehicle speed signal to the combination meter via CAN communication. 

Parking brake switch

Transmits the parking brake switch signal to the combination meter.