Nissan Note E12. Manual - part 677

 

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Nissan Note E12. Manual - part 677

 

 

WCS

PRECAUTIONS

WCS-3

< PRECAUTION >

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PRECAUTION

PRECAUTIONS

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT 
PRE-TENSIONER"

INFOID:0000000009541255

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along

with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain

types of collision. Information necessary to service the system safely is included in the SR and SB section of

this Service Manual.

WARNING:

• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision which would result in air bag inflation, all maintenance must be performed by

an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag

Module, see the SR section.

• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this

Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-

ness connectors.

PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS

WARNING:

• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-

tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a

hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing

serious injury.

• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the

battery and wait at least three minutes before performing any service.

WCS-4

< SYSTEM DESCRIPTION >

COMPONENT PARTS

SYSTEM DESCRIPTION

COMPONENT PARTS

Component Parts Location

INFOID:0000000009541191

Combination Meter

INFOID:0000000009541192

The combination meter has a built-in buzzer 1 and sounds the fol-

lowing warnings, according to signals from each switch and unit.

• Light reminder warning

• Parking brake release warning chime

• Seat belt warning

AWNIA3060ZZ

No.

Component

Function

1.

Parking brake switch

Transmits the parking brake switch signal to the combination meter.

2.

ABS actuator and electric unit (control unit)

Transmits the vehicle speed signal to the combination meter via CAN communica-
tion.
Refer to 

BRC-6, "Component Parts Location"

 for detailed installation location.

3.

BCM

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

BCS-4, "BODY CONTROL SYSTEM : Component Parts Location"

 for de-

tailed installation location.

4.

Combination meter

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

sounds the buzzer.

• Controls the following with the vehicle speed signal received from ABS actuator 

and electric unit (control unit) via CAN communication and the signals from 
switches.

- Seat belt reminder warning chime
- Parking brake release warning chime
- Light reminder warning 

5.

Seat belt buckle switch LH

Transmits a seat belt buckle switch signal LH to the combination meter.

AWNIA3061ZZ

WCS

SYSTEM

WCS-5

< SYSTEM DESCRIPTION >

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SYSTEM

WARNING CHIME SYSTEM
WARNING CHIME SYSTEM : System Description

INFOID:0000000009541193

System Diagram

COMBINATION METER INPUT/OUTPUT SIGNAL (CAN COMMUNICATION SIGNAL)

Input signal

Output signal

BCM INPUT/OUTPUT SIGNAL (CAN COMMUNICATION SIGNAL)

Input signal

Output signal

DESCRIPTION

Combination Meter

The combination meter sounds the alarm buzzer installed in the combination meter when receiving the buzzer

output signal transmitted from each unit. 

BCM

BCM receives signals from various units and transmits a buzzer output signal to the combination meter via

CAN communication if it judges that the warning buzzer should be activated.

WARNING CHIME FUNCTION LIST

AWNIA2651GB

Signal name

Transmit unit

Vehicle speed signal

ABS actuator and electric unit (control unit)

Buzzer output signal

BCM

Signal name

Reception unit

Vehicle speed signal

BCM

Signal name

Transmit unit

Vehicle speed signal

Combination meter

Signal name

Reception unit

Buzzer output signal

Combination meter

WCS-6

< SYSTEM DESCRIPTION >

SYSTEM

WARNING CHIME SYSTEM : Fail-safe

INFOID:0000000009641654

The combination meter activates the fail-safe control if CAN communication with each unit is malfunctioning.

LIGHT REMINDER WARNING CHIME
LIGHT REMINDER WARNING CHIME : Light Reminder Warning

INFOID:0000000009541199

WARNING CHIME OPERATION CONDITIONS

If all of the following conditions are fulfilled.

WARNING CHIME CANCEL CONDITIONS

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

SIGNAL PATH

1. BCM requires warning chime output to combination meter when it judges light reminder warning chime is

necessary from signals below.

Warning functions

Refer to

Light reminder warning

WCS-6, "LIGHT REMINDER WARNING CHIME : Light Remind-
er Warning"

Parking brake release warning chime

WCS-7, "PARKING BRAKE RELEASE WARNING CHIME : 
Parking Brake Release Warning Chime"

Seat belt warning

WCS-8, "SEAT BELT WARNING CHIME : Seat belt Warning"

Function

Specifications

Buzzer

The buzzer turns OFF by suspending communication.

AWNIA2539GB

Operation conditions

Ignition switch

OFF or ACC position

Combination switch (Lighting switch)

1st or 2nd position

Driver side door

Open [front door switch LH ON]

Operation conditions

Ignition switch

ON

Combination switch (Lighting switch)

OFF or AUTO position

Driver side door

Close [front door switch LH OFF]

Signal name

Signal source

Ignition switch signal

 

 

 

 

 

 

 

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