NISSAN TEANA 2008 Service Manual

LAN-14
< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Trouble Diagnosis Flow ChartINFOID:0000000003767676
Trouble Diagnosis ProcedureINFOID:0000000003767677
INTERVIEW WITH CUSTOMER
Interview with the customer is important to detect the root cause of CAN communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosis.
Points in interview What: Parts name, system name
 When: Date, Frequency
 Where: Road condition, Place
 In what condition: Driving condition/environment
 Result: Symptom
NOTE:
 Check normal units as well as error symptoms.
- Example: Circuit between ECM and the combination meter is judged normal if the customer indicates
tachometer functions normally.
 When a CAN communication system error is present, multiple control units may malfunction or go into fail-
safe mode.
JSMIA0016GB

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DIAGNOSIS AND REPAIR WORKFLOW
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 Indication of the combination meter is important to detect the root cause because it is the most obvious to
the customer, and it performs CAN communication with many units.
INSPECTION OF VEHICLE CONDITION
Check whether the symptom is reproduced or not.
NOTE:
Do not turn the ignition switch OFF or disconnect the battery cable while reproducing the error. The error may
temporarily correct itself, making it difficult to determine the root cause.
CHECK OF CAN SYSTEM TYPE (HOW TO USE CAN SYSTEM TYPE SPECIFICATION CHART)
Determine CAN system type based on vehicle equipment.
NOTE:
 This chart is used if CONSULT-III does not automatically recognize CAN system type.
 There are two styles for CAN system type specification charts. Depending on the number of available sys-
tem types, either style A or style B may be used.
CAN System Type Specification Chart (Style A)
NOTE:
SKIB8717E

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< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
CAN system type is easily checked with the vehicle equipment identification information shown in the chart.
CAN System Type Specification Chart (Style B)
NOTE:
JSMIA0017GB

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DIAGNOSIS AND REPAIR WORKFLOW
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CAN system type is easily checked with the vehicle equipment identification information shown in the chart.
CREATE INTERVIEW SHEET
Fill out the symptom described by the customer, vehicle condition, and CAN system type on the interview
sheet.
JSMIA0018GB

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< BASIC INSPECTION >[CAN FUNDAMENTAL]
DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet (Example)
DETECT THE ROOT CAUSE
CAN diagnosis function of CONSULT-III detects the root cause.
JSMIA0019GB

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HOW TO USE THIS SECTION
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HOW TO USE THIS MANUAL
HOW TO USE THIS SECTION
CautionINFOID:0000000003767678
 This section describes information peculiar to a vehicle and inspection procedures.
 For trouble diagnosis procedure, refer to LAN-14, "
Trouble Diagnosis Procedure".
Abbreviation ListINFOID:0000000003767679
Unit name abbreviations in CONSULT-III CAN diagnosis and in this section are as per the following list.
Abbreviation Unit name
ABS ABS actuator and electric unit (control unit)
ADP Driver seat control unit
AV AV control unit
BCM BCM
DLC Data link connector
ECM ECM
HVAC A/C auto amp.
IPDM-E IPDM E/R
M&A Combination meter
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"
INFOID:0000000003850219
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. 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”.
 Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
Precautions for Trouble DiagnosisINFOID:0000000003767681
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 RepairINFOID:0000000003767682
 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).
 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.
SKIB8766E
SKIB8767E

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DIAGNOSIS AND REPAIR WORKFLOW
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Interview SheetINFOID:0000000003767683
SKIB8898E

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< FUNCTION DIAGNOSIS >[CAN]
CAN COMMUNICATION SYSTEM
FUNCTION DIAGNOSIS
CAN COMMUNICATION SYSTEM
CAN System Specification ChartINFOID:0000000003767684
Determine CAN system type from the following specification chart.
NOTE:
Refer to LAN-14, "
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.
CAN Communication Signal ChartINFOID:0000000003767685
Refer to LAN-13, "How to Use CAN Communication Signal Chart" for how to use CAN communication signal
chart.
Body typeSedan
Axle2WD
Engine VQ25DE VQ35DE
TransmissionCVT
Brake control ABS VDC
Automatic drive positioner××
Color display×××
CAN system type 2469
Start CAN Diagnosis (CONSULT-III) 2469
JPMIA1011GB

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CAN COMMUNICATION SYSTEM
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NOTE:
Refer to LAN-19, "
Abbreviation List" for the abbreviations of the connecting units.
T: Transmit R: Receive
Signal name/Connecting unitECM
ADP
AV
HVAC
M&A
STRG
BCM
ABS
TCM
IPDM-E
A/C compressor request signal TR
Accelerator pedal position signal T R R
ASCD CRUISE indicator signal T R
ASCD operation signal T R
ASCD SET indicator signal T R
Closed throttle position signal T R
Cooling fan speed request signal TR
Engine and CVT integrated control signalTR
RT
Engine coolant temperature signal T R
Engine speed signal T R R R
Engine status signal T R R
Fuel consumption monitor signal T R
Malfunctioning indicator lamp signal T R
Power generation command value signal TR
System setting signalTR
RT R
RT
Rear window defogger switch signal T R
A/C switch signal R T T
Blower fan motor switch signal R T T
Distance to empty signal R T
Fuel level low warning signal R T
Sleep-ready signalTR
RT
Sport mode switch signal T R
Vehicle speed signalRR T R RR
RR R R T
Wake up signal T R
Steering angle sensor signal T R
Buzzer output signal R T
Door switch signal R R R T R
Door unlock signal R T
Front fog light request signal R T R
Front wiper request signalTR
Headlamp washer request signal T R
High beam request signal R T R
Hood switch signalTR
Horn reminder signalTR
Ignition switch ON signalTR
RT