Nissan Pathfinder. Manual - part 1197

WCS

COMPONENT PARTS

WCS-5

< SYSTEM DESCRIPTION >

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Component Description

INFOID:0000000009174307

Unit

Description

Combination switch (lighting 
and turn signal switch)

Transmits the lighting switch signal to the BCM.

Combination meter

• Receives a buzzer output signal from the BCM with CAN communication line and sounds the 

buzzer.

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

transmits it to the BCM via CAN communication.

• Judges whether the parking brake is released using the vehicle speed signal and the parking 

brake switch signal, and sounds the buzzer if necessary.

BCM

Based on the signals received from various units and switches, transmits the buzzer output signal 
to the combination meter via CAN communication.

Front door switch LH

Transmits the front door switch LH signal to the BCM.

Seat belt buckle switch (driver 
seat)

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

Parking brake switch

Transmits the parking brake switch signal to the combination meter.

ABS actuator and electric unit 
(control unit)

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

WCS-6

< SYSTEM DESCRIPTION >

SYSTEM

SYSTEM

WARNING CHIME SYSTEM
WARNING CHIME SYSTEM : System Diagram

INFOID:0000000009174308

WARNING CHIME SYSTEM : System Description

INFOID:0000000009174309

DESCRIPTION

• The buzzer for the warning chime system is installed in the combination meter.

• The buzzer sounds when the combination meter receives a buzzer output signal from the BCM.

• The 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.

LIGHT REMINDER WARNING CHIME
LIGHT REMINDER WARNING CHIME : System Diagram

INFOID:0000000009174310

LIGHT REMINDER WARNING CHIME : System Description

INFOID:0000000009174311

DESCRIPTION

With the ignition switch in the OFF or ACC position, driver door open, and lighting switch in parking or head-

lamp position, the light warning chime will sound. 

• BCM detects the ignition switch in the OFF or ACC position, the front door switch LH ON, and the lighting

switch in parking or headlamp position, and then transmits the buzzer output signal (light reminder warning

chime) to the combination meter with CAN communication line.

• When the combination meter receives the 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 in parking or headlamp position

• Ignition switch is in OFF or ACC

• Front door switch LH is ON

AWNIA2541GB

AWNIA2539GB

WCS

SYSTEM

WCS-7

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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

SEAT BELT WARNING CHIME
SEAT BELT WARNING CHIME : System Diagram

INFOID:0000000009174312

SEAT BELT WARNING CHIME : System Description

INFOID:0000000009174313

DESCRIPTION

With the ignition switch turned ON and driver seat belt unfastened, the seat belt warning chime will sound for

approximately 6 seconds.

• BCM receives seat belt buckle switch (driver seat) signal from combination meter with CAN communication

line.

• BCM detects the ignition switch turned ON and the seat belt buckle switch (driver seat) is ON, and then

transmits buzzer output signal (seat belt warning chime) to combination meter with CAN communication line.

• When the combination meter receives the 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 belt buckle switch (driver seat) is ON (seat belt not fastened).

WARNING CANCEL CONDITIONS

Cancels the warning if any of the following conditions is fulfilled:

• Ignition switch OFF

• Seat belt buckle switch (driver seat) is OFF (seat belt fastened).

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

INFOID:0000000009174314

PARKING BRAKE RELEASE WARNING CHIME : System Description

INFOID:0000000009174315

DESCRIPTION

AWNIA2542GB

AWNIA2578GB

WCS-8

< SYSTEM DESCRIPTION >

SYSTEM

• 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 4 MPH (7 km/h) or higher.

• Parking brake switch ON

WARNING CANCEL CONDITIONS

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

• Vehicle speed is approximately 2 MPH (3 km/h) or less.

• Parking brake switch OFF