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< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
CAN system type is easily checked with the vehicle equi
pment identification information shown in the chart.
CAN System Type Specification Chart (Style B)
NOTE:
JSMIA0529GB
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CAN system type is easily checked wi
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CREATE INTERVIEW SHEET
Fill out the symptom described by the customer, v ehicle condition, and CAN system type on the interview
sheet.
JSMIA0530GB
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< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet (Example)
DETECT THE ROOT CAUSE
CAN diagnosis function of CONSULT detects the root cause.
JSMIA0531GB
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HOW TO USE THIS MANUAL
HOW TO USE THIS SECTION
InformationINFOID:0000000009461404
• “CAN” of LAN Section describes information
peculiar to a vehicle and inspection procedures.
• For trouble diagnosis procedure, refer to LAN-18, "Trouble Diagnosis Flow Chart"
of “CAN FUNDAMEN-
TA L ” .
Abbreviation ListINFOID:0000000009461405
Unit name abbreviations in CONSULT CAN diagnosis and in this section are as per the following list.
Abbreviation Unit name
A-BAG Air bag diagnosis sensor unitABS ABS actuator and electric unit (control unit)
AV AV control unit
AV M I T S c o n t r o l u n i t
BCM BCM DLC Data link connector
ECM ECM EPS Power steering control module
HVAC A/C auto amp.
IPDM-E IPDM E/R M&A Combination meter
STRG Steering angle sensor TCM TCM
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![NISSAN TEANA 2014 Service Manual
LAN-24
< PRECAUTION >[CAN]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst
em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009980936
The Supplemental Res NISSAN TEANA 2014 Service Manual
LAN-24
< PRECAUTION >[CAN]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst
em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009980936
The Supplemental Res](/manual-img/5/57390/w960_57390-2972.png)
LAN-24
< PRECAUTION >[CAN]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst
em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009980936
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty 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 inopera tive, 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 NISS AN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses 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 electri c 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.
Precautions for Trouble DiagnosisINFOID:0000000009461407
CAUTION:
Follow the instructions listed below. Fail ure to do this may cause damage to parts:
• 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 th e battery cable from the negative terminal when
checking the harness.
Precautions for Harness RepairINFOID:0000000009461408
• 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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• Bypass connection is never allowed at the repaired area.
NOTE:
Bypass connection may cause CAN communication error. The
spliced wire becomes separated and t he 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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< SYSTEM DESCRIPTION >[CAN]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts LocationINFOID:0000000009461409
Air bag diagnosis sensor unit AV control unit ITS control unit
ABS actuator and elec tric unit (con-
trol unit) Power steering control module TCM
ECM IPDM E/R A/C auto amp.
Data link connector BCM Combination meter
Steering angle sensor
AWMIA1288ZZ
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CAN COMMUNICATION SYSTEM
CAN COMMUNICATION SYSTEM : System DescriptionINFOID:0000000009461410
SYSTEM DIAGRAM
DESC NISSAN TEANA 2014 Service Manual
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SYSTEM
CAN COMMUNICATION SYSTEM
CAN COMMUNICATION SYSTEM : System DescriptionINFOID:0000000009461410
SYSTEM DIAGRAM
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SYSTEM
CAN COMMUNICATION SYSTEM
CAN COMMUNICATION SYSTEM : System DescriptionINFOID:0000000009461410
SYSTEM DIAGRAM
DESCRIPTION
CAN (Controller Area Network) is a serial communication li
ne for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN COMMUNICATION SIGNAL GENERATION
• Termination circuits (resistors) are connected ac ross the CAN communication system. When transmitting a
CAN communication signal, each control unit passes a cu rrent to the CAN-H line and the current returns to
the CAN-L line.
JSMIA1109GB
JSMIA0450GB
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