2003 NISSAN X-TRAIL 4WD

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NISSAN X-TRAIL 2003 Service Repair Manual PRECAUTIONS
GI-5
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Use approved bonding agent, sealants or their equivalents when required.
Use tools and recommended special tools where specified for safe and efficient s

PRECAUTIONS
GI-5
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Use approved bonding agent, sealants or their equivalents when required.
Use tools and recommended special tools where specified for safe and efficient service repairs.
When repairing the fuel, oil, water, vacuum or exhaust systems, check all affected lines for leaks.
Before servicing the vehicle:
Protect fenders, upholstery and carpeting with appropriate cov-
ers.
Take caution that keys, buckles or buttons do not scratch paint.
WARNING:
To prevent ECM from storing the diagnostic trouble codes, do not carelessly disconnect the harness
connectors which are related to the engine control system and TCM (transmission control module)
system. The connectors should be disconnected only when working according to the WORK FLOW of
TROUBLE DIAGNOSES in EC and AT sections.
Precautions for All Mode 4 × 4 SystemEAS000GQ
Even if the 2WD mode is selected, the All mode 4 × 4 system occasionally changes from 2WD to 4WD auto-
matically depending on the driving conditions.
When spinning the front wheels by running the engine with the front wheels jacked up or mounted on the free
rollers / or a chassis dynamometer, be careful because the vehicle may suddenly move due to the driving
force from the rear wheels.
To avoid personal injury and vehicle damage, use one of the following methods when working with the front
wheels drive force and spinning freely.
Remove the propeller shaft.
Use free rollers / chassis dynamometer designed for 4WD vehicles.
Precautions for Three Way CatalystEAS000FR
If a large amount of unburned fuel flows into the catalyst, the catalyst temperature will be excessively high. To
prevent this, follow the instructions.
Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst.
When checking for ignition spark or measuring engine compression, make tests quickly and only when
necessary.
Do not run engine when the fuel tank level is low, otherwise the engine may misfire, causing damage to
the catalyst.
Do not place the vehicle on flammable material. Keep flammable material off the exhaust pipe and the three
way catalyst.
Precautions for FuelEAS000P9
GASOLINE ENGINE
Use unleaded gasoline with an octane rating of at least 95 (RON).
CAUTION:
Do not use leaded gasoline. Using leaded gasoline will damage the three way catalyst. Using a fuel
other than that specified could adversely affect the emission control devices and systems, and could
also affect the warranty coverage validity.
DIESEL ENGINE
Diesel fuel of at least 50 cetane.
If two types of diesel fuel are available, use summer or winter fuel properly according to the following temper-
ature conditions.
Above –7°C (20°F) ... Summer type diesel fuel.
Below –7°C (20°F) ... Winter type diesel fuel.
SGI234

Page 35 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual CONSULT-II CHECKING SYSTEM
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CONSULT-II CHECKING SYSTEMPFP:00000
DescriptionEAS000G8
CONSULT-II is a hand-held type tester. When it is connected with a diagnostic con

CONSULT-II CHECKING SYSTEM
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CONSULT-II CHECKING SYSTEMPFP:00000
DescriptionEAS000G8
CONSULT-II is a hand-held type tester. When it is connected with a diagnostic connector equipped on the
vehicle side, it will communicate with the control unit equipped in the vehicle and then enable various
kinds of diagnostic tests.
Refer to “CONSULT-II Software Operation Manual” for more information.
Function and System Application EAS000G9
x: Applicable
*1: Nissan Anti-Theft System
*2: Gasoline engine models
Nickel Metal Hydride Battery Replacement EAS000GA
CONSULT-II contains a nickel metal hydride battery. When replacing the battery obey the following:
WARNING:
Replace the nickel metal hydride battery with Genuine CONSULT-II battery only. Use of another bat-
tery may present a risk of fire or explosion. The battery may present a fire or chemical burn hazard if
mistreated. Do not recharge, disassemble or dispose of in fire.
Keep the battery out of reach of children and discard used battery conforming to the local regulations.
Diagnostic test
modeFunction
ENGINE
A/T
AIR BAG
ABS
ABS (Including ESP)
ALL MODE 4WD
NATS*1
Work supportThis mode enables a technician to adjust some devices faster and more
accurately by following the indications on CONSULT-II.x*2x--x - -
Self-diagnostic
resultsSelf-diagnostic results can be read and erased quickly. x x x x x x x
Trouble diagnos-
tic recordCurrent self-diagnostic results and all trouble diagnostic records previously
stored can be read.--x-- - -
Data monitor Input/Output data in the ECM can be read. x x - x x x -
Active testDiagnostic Test Mode in which CONSULT-II drives some actuators apart
from the ECMs and also shifts some parameters in a specified range.x--xxx -
CAN diagnosis
support monitorIndicates the communication condition of CAN communication line. x x - x x x -
DTC confirmationThe results of SRT (System Readiness Test) and the self-diagnosis status/
result can be confirmed.x*
2--- - - -
DTC work support Select the operating condition to confirm Diagnosis Trouble Codes. - x - - - - -
ECM (ECU/TCM)
part numberECM (ECU/TCM) part number can be read. x x - x x x -
ECU discrimi-
nated No.Classification number of a replacement ECU can be read to prevent an
incorrect ECU from being installed.--x-- - -
Function testConducted by CONSULT-II instead of a technician to determine whether
each system is “OK” or “NG”.xxxx x - -
Control unit initial-
izationAll registered ignition key IDs in NATS components can be initialized and
new IDs can be registered.---- - - x

Page 417 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual ENGINE CONTROL SYSTEM
EC-39
[QR (WITH EURO-OBD)]
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EC

M/T MODELS WITHOUT ESP
System Diagram
Input/output Signal Chart
T: Transmit R: Receive
PKIA6458E
Signals ECMABS actuator

Page 418 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-40
[QR (WITH EURO-OBD)]
ENGINE CONTROL SYSTEM

A/T MODELS WITHOUT ESP
System Diagram
Input/output Signal Chart
T: Transmit R: Receive
PKIA6457E
Signals ECM TCMABS actuator
and electric unit
(c

Page 419 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual ENGINE CONTROL SYSTEM
EC-41
[QR (WITH EURO-OBD)]
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M/T MODELS WITH ESP
System Diagram
Input/output Signal Chart
T: Transmit R: Receive
*1: YD engine models only
*2: QR engi

Page 420 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-42
[QR (WITH EURO-OBD)]
ENGINE CONTROL SYSTEM

A/T MODELS WITH ESP
System Diagram
Input/output Signal Chart
T: Transmit R: Receive
PKIA6460E
Signals ECM TCMESP/TCS/
ABS control
unitSte ering

Page 421 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual ENGINE CONTROL SYSTEM
EC-43
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EC
Engine and A/T integratedTR
RT
A/T self-diagnosis signal R TSignals ECM TCMESP/TCS/
ABS control
unitSteering
angle sensor4

Page 879 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual ENGINE CONTROL SYSTEM
EC-501
[QR (WITHOUT EURO-OBD)]
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M/T MODELS WITHOUT ESP
System Diagram
Input/output Signal Chart
T: Transmit R: Receive
PKIA6458E
Signals ECMABS actua

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