Infiniti FX35, FX50 (S51). Manual - part 1271

 

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Infiniti FX35, FX50 (S51). Manual - part 1271

 

 

LAN-26

< PRECAUTION >

[CAN]

PRECAUTIONS

PRECAUTION

PRECAUTIONS

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

INFOID:0000000005241884

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 “SRS AIR BAG” and “SEAT BELT” 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 “SRS AIR BAG”.

• 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 Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the

ignition 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 3 minutes before performing any service.

Precautions for Trouble Diagnosis

INFOID:0000000005241885

CAUTION:

• Never apply 7.0 V or more to the measurement terminal.
• Use a tester with open terminal voltage of 7.0 V or less.
• Turn the ignition switch OFF and disconnect the battery cable from the negative terminal when

checking the harness. 

Precautions for Harness Repair

INFOID:0000000005241886

• Solder the repaired area and wrap tape around the soldered area.

NOTE:
A fray of twisted lines must be within 110 mm (4.33 in).

SKIB8766E

LAN

PRECAUTIONS

LAN-27

< PRECAUTION >

[CAN]

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• Bypass connection is never allowed at the repaired area.

NOTE:
Bypass connection may cause CAN communication and ITS com-
munication error. The spliced wire becomes separated and the
characteristics of twisted line are lost. 

• Replace the applicable harness as an assembly if error is detected on the shield lines of CAN communica-

tion line and ITS communication line.

SKIB8767E

LAN-28

< BASIC INSPECTION >

[CAN]

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Interview Sheet

INFOID:0000000005241887

SKIB8898E

LAN

CAN COMMUNICATION SYSTEM

LAN-29

< SYSTEM DESCRIPTION >

[CAN]

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SYSTEM DESCRIPTION

CAN COMMUNICATION SYSTEM

CAN System Specification Chart

INFOID:0000000005241888

Determine CAN system type from the following specification chart.
NOTE:
Refer to 

LAN-20, "Trouble Diagnosis Procedure"

 for how to use CAN system specification chart.

×

: Applicable

VEHICLE EQUIPMENT IDENTIFICATION INFORMATION

NOTE:
Check CAN system type from the vehicle shape and equipment.

Body type

Wagon

Axle

2WD

AWD

Engine

VQ35HR

VK50VE

Transmission

A/T

Brake control

VDC

Automatic drive positioner

×

×

×

×

×

×

×

×

Rear active steer

×

×

Active AFS

×

×

×

×

CAN  system  type

1

2

3

4

5

6

7

8

9

10

1.

AWD warning lamp

2.

Seat memory switch

3.

RAS warning lamp

4.

AFS OFF switch

JSMIA0139ZZ

 

 

 

 

 

 

 

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