2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 1129 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual INDEX FOR DTC
EC-15
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*1: 1st trip DTC No. is the same as DTC No.
*2: These numbers are prescribed by ISO 15031-5.
*3: In Diagnostic Test Mode II (Self-dia

Page 1130 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-16
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PRECAUTIONS
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EBS00B0I
The Supplemental Restraint Sys

EC-16
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PRECAUTIONS
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EBS00B0I
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 and SB section of
this Service Manual.
WAR NIN G:
lTo 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 per-
formed by an authorized NISSAN/INFINITI dealer.
lImproper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
lDo 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 harness connectors.
On Board Diagnostic (OBD) System of Engine and A/TEBS00B0J
The ECM has an on board diagnostic system. It will light up the malfunction indicator (MI) to warn the driver of
a malfunction causing emission deterioration.
CAUTION:
lBe sure to turn the ignition switch OFF and disconnect the negative battery terminal before any
repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves,
etc. will cause the MI to light up.
lBe sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MI to light up due to the open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)
lCertain systems and components, especially those related to OBD, may use a new style slide-
locking type harness connector. For description and how to disconnect, refer toPG-70, "
HAR-
NESS CONNECTOR".
lBe sure to route and secure the harnesses properly after work. The interference of the harness
with a bracket, etc. may cause the MI to light up due to the short circuit.
lBe sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MI to light up due to the malfunction of the fuel injection system, etc.
lBe sure to erase the unnecessary malfunction information (repairs completed) from the ECM and
TCM (Transmission control module) before returning the vehicle to the customer.
PrecautionEBS00B0K
lAlways use a 12 volt battery as power source.
lDo not attempt to disconnect battery cables while engine is
running.
lBefore connecting or disconnecting the ECM harness con-
nector, turn ignition switch OFF and disconnect negative
battery terminal. Failure to do so may damage the ECM
because battery voltage is applied to ECM even if ignition
switch is turned off.
lBefore removing parts, turn ignition switch OFF and then
disconnect battery ground cable.
SEF289H

Page 1131 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual PRECAUTIONS
EC-17
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lDo not disassemble ECM.
lIf a battery terminal is disconnected, the memory will return
to the ECM value.
The ECM will now start to sel

Page 1132 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-18
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PRECAUTIONS
lAfter performing each TROUBLE DIAGNOSIS, perform
“DTC Confirmation Procedure” or “Overall Function
Check”.
The DTC should not be displayed in the “DTC

Page 1133 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual PRECAUTIONS
EC-19
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lDo not depress accelerator pedal when starting.
lImmediately after starting, do not rev up engine unneces-
sarily.
lDo not rev up engi

Page 1134 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-20
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PREPARATION
PREPARATION
PFP:00002
Special Service ToolsEBS00B0M
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commer

Page 1135 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual PREPARATION
EC-21
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Oxygen sensor
thread cleanerReconditioning the exhaust system threads
before installing a new oxygen sensor. Use with
anti-seize lubric

Page 1136 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-22
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ENGINE CONTROL SYSTEM
ENGINE CONTROL SYSTEM
PFP:23710
System DiagramEBS00B0O
PBIB0488E

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