Infiniti G37 Coupe. Manual — part 837
LAN
HOW TO USE THIS SECTION
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< HOW TO USE THIS MANUAL >
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HOW TO USE THIS MANUAL
HOW TO USE THIS SECTION
Caution
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• This section describes information peculiar to a vehicle and inspection procedures.
• For trouble diagnosis procedure, refer to
LAN-16, "Trouble Diagnosis Procedure"
.
Abbreviation List
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Unit name abbreviations in CONSULT-III CAN diagnosis and in this section are as per the following list.
Abbreviation
Unit name
A-BAG
Air bag diagnosis sensor unit
ABS
ABS actuator and electric unit (control unit)
ADP
Driver seat control unit
AFS
AFS control unit
AV
AV control unit
BCM
BCM
DLC
Data link connector
ECM
ECM
ICC
ICC sensor integrated unit
IPDM-E
IPDM E/R
M&A
Unified meter and A/C amp.
PSB
Pre-crash seat belt control unit
RAS
4WAS main control unit
STRG
Steering angle sensor
TCM
TCM
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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 AIRBAG” 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 AIRBAG”.
• 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.
Precaution for Battery Service
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Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
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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• Bypass connection is never allowed at the repaired area.
NOTE:
Bypass connection may cause CAN communication 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.
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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