Nissan Leaf. Manual - part 1269

 

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Nissan Leaf. Manual - part 1269

 

 

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:0000000010534045

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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS

system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front

air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.

Information necessary to service the system safely is included in the SR and SB section of this Service Man-

ual.

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.

Precaution for Technicians Using Medical Electric

INFOID:0000000010505309

OPERATION PROHIBITION

WARNING:

• Parts with strong magnet is used in this vehicle. 

• Technicians using a medical electric device such as pacemaker must never perform operation on the

vehicle, as magnetic field can affect the device function by approaching to such parts.

NORMAL CHARGE PRECAUTION

WARNING:

• If a technician uses a medical electric device such as an implantable cardiac pacemaker or an

implantable cardioverter defibrillator, the possible effects on the devices must be checked with the

device manufacturer before starting the charge operation.

• As radiated electromagnetic wave generated by on board charger at normal charge operation may

effect medical electric devices, a technician using a medical electric device such as implantable car-

diac pacemaker or an implantable cardioverter defibrillator must not enter the vehicle compartment

(including luggage room) during normal charge operation.

PRECAUTION AT TELEMATICS SYSTEM OPERATION

WARNING:

• If a technician uses implantable cardiac pacemaker or implantable cardioverter defibrillator (ICD),

avoid the device implanted part from approaching within approximately 220 mm (8.66 in) from inte-

rior/exterior antenna.

• The electromagnetic wave of TCU might affect the function of the implantable cardiac pacemaker or

the implantable cardioverter defibrillator (ICD), when using the service, etc.

WCS-4

< PRECAUTION >

PRECAUTIONS

• If a technician uses other medical electric devices than implantable cardiac pacemaker or implant-

able cardioverter defibrillator (ICD), the electromagnetic wave of TCU might affect the function of the

device. The possible effects on the devices must be checked with the device manufacturer before

TCU use.

PRECAUTION AT INTELLIGENT KEY SYSTEM OPERATION

WARNING:

• If a technician uses implantable cardiac pacemaker or implantable cardioverter defibrillator (ICD),

avoid the device implanted part from approaching within approximately 220 mm (8.66 in) from inte-

rior/exterior antenna.

• The electromagnetic wave of intelligent key might affect the function of the implantable cardiac

pacemaker or the implantable cardioverter defibrillator (ICD), at door operation, at each request

switch operation, or at engine starting.

• If a technician uses other medical electric devices than implantable cardiac pacemaker or implant-

able cardioverter defibrillator (ICD), the electromagnetic wave of intelligent key might affect the func-

tion of the device. The possible effects on the devices must be checked with the device

manufacturer before intelligent key use.

Point to Be Checked Before Starting Maintenance Work

INFOID:0000000010505310

The high voltage system may starts automatically. It is required to check that the timer air conditioner

and timer charge (during EVSE connection) are not set before starting maintenance work.

NOTE:

If the timer air conditioner or timer charge (during EVSE connection) is set, the high voltage system starts

automatically even when the power switch is in OFF state.

WCS

COMPONENT PARTS

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< SYSTEM DESCRIPTION >

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SYSTEM DESCRIPTION

COMPONENT PARTS

Component Parts Location

INFOID:0000000010121620

Combination Meter

INFOID:0000000010121621

The buzzer (1) for the warning chime system is integrated in the

combination meter.

AWNIA2997ZZ

No.

Component

Function

1.

Seat belt buckle switch (driver side)

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

2.

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-5, "BODY CONTROL SYSTEM : Component Parts Location"

 for de-

tailed installation location.

3.

ABS actuator and electric unit (control 
unit)

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

BRC-10, "Component Parts Location"

 for detailed installation location.

4.

Combination meter

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

sounds the buzzer.

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

the parking brake switch signal, and sounds the buzzer if necessary.

5.

Parking brake switch

Transmits the parking brake switch signal to the combination meter.

JSNIA3554ZZ

WCS-6

< SYSTEM DESCRIPTION >

SYSTEM

SYSTEM

WARNING CHIME SYSTEM
WARNING CHIME SYSTEM : System Description

INFOID:0000000010121622

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

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

AWNIA3462GB

Signal name

Transmit unit

Buzzer output signal

BCM

Vehicle speed signal

ABS actuator and electric unit (control unit)

Signal name

Reception unit

Seat belt buckle switch signal (driver side) BCM

Signal name

Transmit unit

Seat belt buckle switch signal (driver side)

Combination meter

Signal name

Reception unit

Buzzer output signal

Combination meter

 

 

 

 

 

 

 

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