NISSAN X-TRAIL 2003 Electronic Repair Manual
Manufacturer: NISSAN, Model Year: 2003, Model line: X-TRAIL, Model: NISSAN X-TRAIL 2003Pages: 3066, PDF Size: 51.47 MB
Page 1991 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual INTAKE MANIFOLD
EM-21
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CAUTION:
Do not touch the engine immediately after stopped as engine becomes extremely hot.
lPerform procedures for “Throttle Valve Closed Po NISSAN X-TRAIL 2003 Electronic Repair Manual INTAKE MANIFOLD
EM-21
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CAUTION:
Do not touch the engine immediately after stopped as engine becomes extremely hot.
lPerform procedures for “Throttle Valve Closed Po](/img/5/57402/w960_57402-1990.png)
INTAKE MANIFOLD
EM-21
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CAUTION:
Do not touch the engine immediately after stopped as engine becomes extremely hot.
lPerform procedures for “Throttle Valve Closed Position Learning” after finishing repairs. Refer to BASIC
SERVICE PROCEDURE,EC-31, "
Throttle Valve Closed Position Learning"(WITH EURO-OBD),EC-
396, "Throttle Valve Closed Position Learning"(WITHOUT EURO-OBD).
lIf electric throttle control actuator is replaced, perform procedures for “Idle Air Volume Learning” after fin-
ishing repairs. Refer to BASIC SERVISE PROCEDURE,EC-31, "
Idle Air Volume Learning"(WITH
EURO-OBD),EC-396, "
Idle Air Volume Learning"(WITHOUT EURO-OBD).
Page 1992 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual EM-22
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EXHAUST MANIFOLD AND THREE WAY CATALYST
EXHAUST MANIFOLD AND THREE WAY CATALYST
PFP:14004
Removal and InstallationEBS00BL7
REMOVAL
1. Remove heated oxygen sensors.
lFollow below steps t NISSAN X-TRAIL 2003 Electronic Repair Manual EM-22
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EXHAUST MANIFOLD AND THREE WAY CATALYST
EXHAUST MANIFOLD AND THREE WAY CATALYST
PFP:14004
Removal and InstallationEBS00BL7
REMOVAL
1. Remove heated oxygen sensors.
lFollow below steps t](/img/5/57402/w960_57402-1991.png)
EM-22
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EXHAUST MANIFOLD AND THREE WAY CATALYST
EXHAUST MANIFOLD AND THREE WAY CATALYST
PFP:14004
Removal and InstallationEBS00BL7
REMOVAL
1. Remove heated oxygen sensors.
lFollow below steps to remove each heated oxygen sensor.
a. Remove engine under cover.
b. Remove harness connector of each heated oxygen sensor, and harness from bracket and middle clamp.
c. Using heated oxygen sensor wrench, remove heated oxygen
sensors.
CAUTION:
lBe careful not to damage heated oxygen sensor.
lDiscard any heated oxygen sensor which has been
dropped from a height of more than 0.5 m (19.7 in) onto a
hard surface such as a concrete floor; use a new one.
2. Remove exhaust manifold and three way catalyst assembly.
a. Remove exhaust manifold cover lower.
b. Remove exhaust front tube. Refer toEX-2, "
EXHAUST SYS-
TEM".
PBIC0279E
1Exhaust manifold and three way cata-
lyst assembly2 Gasket 3 Exhaust manifold cover
4 Heated oxygen sensor 1 5 Heated oxygen sensor 2
KBIA0094E
Page 1993 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual EXHAUST MANIFOLD AND THREE WAY CATALYST
EM-23
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c. Remove exhaust manifold cover upper.
d. Loosen nuts in reverse order of illustration to remove exhaust
manifold and NISSAN X-TRAIL 2003 Electronic Repair Manual EXHAUST MANIFOLD AND THREE WAY CATALYST
EM-23
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c. Remove exhaust manifold cover upper.
d. Loosen nuts in reverse order of illustration to remove exhaust
manifold and](/img/5/57402/w960_57402-1992.png)
EXHAUST MANIFOLD AND THREE WAY CATALYST
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c. Remove exhaust manifold cover upper.
d. Loosen nuts in reverse order of illustration to remove exhaust
manifold and catalytic converter.
lDisregard the numerical order No.6 and 7 when loosening.
3. Remove exhaust manifold and three way catalyst loosening nuts
in reverse order in the figure.
INSPECTION AFTER REMOVAL
Surface Distortion
lUse a reliable straightedge and feeler gauge to check the flat-
ness of exhaust manifold fitting surface.
INSTALLATION
lInstall in the reverse order of removal paying attention to the following.
Tightening Exhaust Manifold Nuts
lTighten nuts in the numerical order shown in the figure.
lNo.6 and 7 indicate double tightening of bolts 1 and 3.
Installation of Heated Oxygen Sensor
CAUTION:
lDo not over torque the heated oxygen sensor. Doing so may cause damage to the heated oxygen
sensor, resulting in the MIL coming on.
KBIA0045E
Standard : 0.3mm (0.012in)
KBIA0046E
KBIA0045E
Page 1994 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual EM-24
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OIL PAN AND OIL STRAINER
OIL PAN AND OIL STRAINER
P F P : 1111 0
Removal and InstallationEBS009QV
REMOVAL
WAR NIN G:
To avoid the danger of being scalded, never drain the engine oil whe NISSAN X-TRAIL 2003 Electronic Repair Manual EM-24
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OIL PAN AND OIL STRAINER
OIL PAN AND OIL STRAINER
P F P : 1111 0
Removal and InstallationEBS009QV
REMOVAL
WAR NIN G:
To avoid the danger of being scalded, never drain the engine oil whe](/img/5/57402/w960_57402-1993.png)
EM-24
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OIL PAN AND OIL STRAINER
OIL PAN AND OIL STRAINER
P F P : 1111 0
Removal and InstallationEBS009QV
REMOVAL
WAR NIN G:
To avoid the danger of being scalded, never drain the engine oil when the engine is hot.
1. Remove engine under cover both side.
2. Drain engine oil. Refer toLU-8, "
Changing Engine Oil".
3. Remove lower oil pan bolts, Loosen bolts in the reverse order of
that shown in the figure.
4. Insert Tool Seal cutter between lower and upper oil pan.
5. Remove lower oil pan.
KBIA0095E
1 Oil level gauge guide 2 Oil pan upper 3 Cylinder block
4Oilfilter 5Oilstrainer 6Drainplug
7 Oil pan lower 8 Rear plate cover
KBIA0096E
Page 1995 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual OIL PAN AND OIL STRAINER
EM-25
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6. Remove drive belts.
7. Remove A/C compressor with piping connected.
And locate it aside temporarily with ropes or equivalent not to NISSAN X-TRAIL 2003 Electronic Repair Manual OIL PAN AND OIL STRAINER
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6. Remove drive belts.
7. Remove A/C compressor with piping connected.
And locate it aside temporarily with ropes or equivalent not to](/img/5/57402/w960_57402-1994.png)
OIL PAN AND OIL STRAINER
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6. Remove drive belts.
7. Remove A/C compressor with piping connected.
And locate it aside temporarily with ropes or equivalent not to
disturb the following work.
8. Remove front exhaust tube and its support.
9. Set a suitable transmission jack under transaxle and hoist
engine with engine slinger.
10. Remove center member.
11. Remove rear plate cover, and four engine-to transaxle bolts.
12. Loosen bolts in reverse order of illustration to remove upper oil
pan.
lDisregard No. 1, 2 and 3 when loosening.
lInsert Tool (Seal cutter) between upper oil pan and cylinder
block. Slide tool by tapping on the side of the tool with a ham-
mer.
13. Remove oil strainer.
INSPECTION AFTER REMOVAL
lClean oil strainer if any object attached.
INSTALLATION
1. Install oil strainer.
2. Install upper oil pan in the order below.
a. Apply liquid gasket thoroughly as in illustration.
lUse Genuine Liquid Gasket or equivalent.
b. Install O-rings as front cover side.
PBIC0257E
KBIA0097E
SEM365EA
KBIA0100E
Page 1996 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual EM-26
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OIL PAN AND OIL STRAINER
c. Tighten bolts in numerical order as shown.
lNo.10, 11and 18 indicate double tightening of bolts 1,2 and 3.
NOTE:
Refer to the below for locating bolts.
M6´2 NISSAN X-TRAIL 2003 Electronic Repair Manual EM-26
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OIL PAN AND OIL STRAINER
c. Tighten bolts in numerical order as shown.
lNo.10, 11and 18 indicate double tightening of bolts 1,2 and 3.
NOTE:
Refer to the below for locating bolts.
M6´2](/img/5/57402/w960_57402-1995.png)
EM-26
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OIL PAN AND OIL STRAINER
c. Tighten bolts in numerical order as shown.
lNo.10, 11and 18 indicate double tightening of bolts 1,2 and 3.
NOTE:
Refer to the below for locating bolts.
M6´20 mm (0.79 in) : No. 19, 20
M8´25 mm (0.98 in) : No. 1, 3, 4, 9
M8x45mm(1.77in):No.2,5,6,7,8,17
M8 x100mm (3.97 in) : No. 12, 13, 14, 15,16
d. Tighten transmission joint bolts.
e. Install rear plate cover.
3. Install lower oil pan.
lUse Genuine Liquid gasket or equivalent.
lTighten bolts in numerical order as shown.
4. Install oil pan drain plug.
lRefer to illustration of components of former page for installation direction of washer.
5. Install in the reverse order of removal after this step.
lPour engine oil or start engine at least 30 minutes after oil pan is installed.
INSPECTION AFTER INSTALLATION
lCheck for leakage of engine oil when engine is warmed.
KBIA0097E
KBIA0098E
KBIA0096E
Page 1997 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual IGNITION COIL
EM-27
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IGNITION COILPFP:22448
Removal and InstallationEBS009QW
REMOVAL
1. Remove harness connector from ignition coil.
2. Remove ignition coil.
3. Remov NISSAN X-TRAIL 2003 Electronic Repair Manual IGNITION COIL
EM-27
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IGNITION COILPFP:22448
Removal and InstallationEBS009QW
REMOVAL
1. Remove harness connector from ignition coil.
2. Remove ignition coil.
3. Remov](/img/5/57402/w960_57402-1996.png)
IGNITION COIL
EM-27
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IGNITION COILPFP:22448
Removal and InstallationEBS009QW
REMOVAL
1. Remove harness connector from ignition coil.
2. Remove ignition coil.
3. Remove spark plug.
CAUTION:
Do not shock it.
INSTALLATION
lInstall in the reverse order of removal.
KBIA0237E
1 Ignition coil 2 Spark plug 3 Rocker cover
Page 1998 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual EM-28
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SPARK PLUG
SPARK PLUG
PFP:22401
Removal and InstallationEBS009QX
REMOVAL
1. Remove ignition coil. Refer toEM-27, "Removal and Installation".
2. Remove spark plug with suitable spark plu NISSAN X-TRAIL 2003 Electronic Repair Manual EM-28
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SPARK PLUG
SPARK PLUG
PFP:22401
Removal and InstallationEBS009QX
REMOVAL
1. Remove ignition coil. Refer toEM-27, "Removal and Installation".
2. Remove spark plug with suitable spark plu](/img/5/57402/w960_57402-1997.png)
EM-28
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SPARK PLUG
SPARK PLUG
PFP:22401
Removal and InstallationEBS009QX
REMOVAL
1. Remove ignition coil. Refer toEM-27, "Removal and Installation".
2. Remove spark plug with suitable spark plug wrench.
INSPECTION AFTER REMOVAL
lUse standard type spark plug for normal condition.
The hot type spark plug is suitable when fouling occurs with the standard type spark plug under conditions
such as.
lfrequent engine starts.
llow ambient temperatures.
The cold type spark plug is suitable when spark plug knock occurs with the standard type spark plug under
conditions such as.
lextended highway driving.
lfrequent high engine revolution.
1. Check plug gap of each spark plug. Adjust or replace if necessary.
lUse a wire brush for cleaning, if necessary.
INSTALLATION
lInstall in the reverse order of removal.
Make NGK
Standard type LFR5A-11
Hot type LFR4A-11
Cold type LFR6A-11
SEM294A
Gap :
1.0 - 1.1mm (0.039 - 0.043 in)
SMA476
: 19.6 - 29.4 N·m (2.0 - 3.0 kg-m, 15 - 21 ft-lb)
Page 1999 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual FUEL INJECTOR AND FUEL TUBE
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FUEL INJECTOR AND FUEL TUBEPFP:16600
Removal and InstallationEBS009QY
CAUTION:
lApply new engine oil when installing the parts that NISSAN X-TRAIL 2003 Electronic Repair Manual FUEL INJECTOR AND FUEL TUBE
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FUEL INJECTOR AND FUEL TUBEPFP:16600
Removal and InstallationEBS009QY
CAUTION:
lApply new engine oil when installing the parts that](/img/5/57402/w960_57402-1998.png)
FUEL INJECTOR AND FUEL TUBE
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FUEL INJECTOR AND FUEL TUBEPFP:16600
Removal and InstallationEBS009QY
CAUTION:
lApply new engine oil when installing the parts that specified to do so in the figure.
lDo not remove or disassembly parts unless instructed as shown in the figure.
REMOVAL
1. Release fuel pressure. refer toEC-34, "FUEL PRESSURE RELEASE"(WITH EURO-OBD),EC-399,
"FUEL PRESSURE RELEASE"(WITHOUT EURO-OBD).
2. Remove air duct, air cleaner case (upper) assembly.
3. Disconnect fuel hose quick connector at fuel tube side.
lRegarding how to disconnect and connect quick connector, Refer toEM-17, "INTAKE MANIFOLD".
CAUTION:
lPrepare a container of cloth for spilled fuel.
lThis operation should be performed in a place where free from fire.
lWhile hoses are disconnected seal their openings with vinyl bag or similar material to prevent for-
eign material from entering them.
4. Disconnect intake manifold collector. Refer toEM-17, "
INTAKE MANIFOLD".
5. Disconnect sub-harness for injector at engine front side, and remove it from bracket.
6. Loosen mounting bolts in the reverse order in the figure, and
remove fuel tube and fuel injector assembly.
7. Remove fuel injector.
lRelease clip and remove it.
lPull fuel injector straight out of fuel tube.
lBe careful not to damage nozzle part.
lAvoid any impact such as a dropping.
lDo not disassemble or adjust it.
KBIA0238E
1 Fuel hose 2 Quick connector cap 3 Sub harness
4Fueltube 5Clip 6O-ring
7 Fuel injector 8 Insulator
KBIA0239E
Page 2000 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual EM-30
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FUEL INJECTOR AND FUEL TUBE
INSTALLATION
1. Install O-rings to fuel injector paying attention to the items below.
lLubricate O-rings by smearing new engine oil.
lBe careful not to scrat NISSAN X-TRAIL 2003 Electronic Repair Manual EM-30
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FUEL INJECTOR AND FUEL TUBE
INSTALLATION
1. Install O-rings to fuel injector paying attention to the items below.
lLubricate O-rings by smearing new engine oil.
lBe careful not to scrat](/img/5/57402/w960_57402-1999.png)
EM-30
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FUEL INJECTOR AND FUEL TUBE
INSTALLATION
1. Install O-rings to fuel injector paying attention to the items below.
lLubricate O-rings by smearing new engine oil.
lBe careful not to scratch it with a tool or fingernails during installation. Also be careful not to twist
or stretch O-ring. If O-ring was stretched while it is attached, do no insert it into fuel tube immedi-
atly.
2. Install fuel injector to fuel tube with the following procedure.
lInsert clip into clip mounting groove on fuel injector.
lInsert clip so that projection A of fuel injector matches notch A of
the clip.
lDo not reuse clip. Replace it with a new one.
lBe careful to keep clip from interfering with O-ring. If interfer-
ence occurs, replace O-ring.
3. Insert fuel injector into fuel tube with clip attached.
lInsertitwhilematchingittotheaxialcenter.
lInsert fuel injector so that projection B of fuel injector matches
notch B of the clip.
lMake sure that fuel tube flange is securely fixed in flange fixing
groove on clip.
lMake sure that installation is complete by checking that fuel
injector does not rotate or come off.
4. Install fuel tube assembly with the following procedure.
a. Insert the tip of each fuel injector into intake manifold.
b. Tighten mounting bolts in two steps in the numerical order
shown in the figure.
5. Install intake manifold collector. Refer toEM-17, "
INTAKE MANI-
FOLD".
6. Connect fuel hose. Refer toEM-17, "
INTAKE MANIFOLD".
7. Install all removed parts in the reverse order of removal.
INSPECTION AFTER INSTALLATION
lCheck connections for fuel leakage.
1. Start the engine, and run it for a few minutes with engine at idle.
2. Stop the engine, and check for fuel leakage both visually and by odor of gasoline.
NOTE:
Use mirrors for checking on invisible points.
CAUTION:
Do not touch the engine immediately after stopped as engine becomes extremely hot.
KBIA0240E
1st step: 9.3 - 10.8 N·m (0.95 - 1.1 kg-m, 0.7 - 0.8 ft-lb)
2nd step: 20.6 - 26.5 N·m (2.1 - 2.7 kg-m, 16 - 19 ft-lb)
KBIA0239E