Infiniti FX35, FX50 (S51). Manual — part 1271
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< PRECAUTION >
[CAN]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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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
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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
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• 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
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PRECAUTIONS
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< PRECAUTION >
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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
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< BASIC INSPECTION >
[CAN]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet
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SKIB8898E
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CAN COMMUNICATION SYSTEM
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< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
CAN COMMUNICATION SYSTEM
CAN System Specification Chart
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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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