timing belt NISSAN X-TRAIL 2003 Service Repair Manual

EM-2 ROCKER COVER ..................................................... 42
Removal and Installation ........................................ 42
REMOVAL ........................................................... 42
INSTALLATION .................................................... 43
TIMING CHAIN .......................................................... 44
Removal and Installation ........................................ 44
REMOVAL ........................................................... 44
INSPECTION AFTER REMOVAL ........................ 48
INSTALLATION .................................................... 49
CAMSHAFT ............................................................... 53
Removal and Installation ........................................ 53
REMOVAL ........................................................... 53
INSPECTION AFTER REMOVAL ........................ 55
INSTALLATION .................................................... 58
Valve Clearance ...................................................... 61
INSPECTION ....................................................... 61
ADJUSTMENT .................................................... 62
OIL SEAL .................................................................. 64
Removal and Installation of Valve Oil Seal ............. 64
REMOVAL ........................................................... 64
INSTALLATION .................................................... 64
Removal and Installation of Front Oil Seal ............. 64
REMOVAL ........................................................... 64
INSTALLATION .................................................... 65
Removal and Installation of Rear Oil Seal .............. 65
REMOVAL ........................................................... 65
INSTALLATION .................................................... 65
CYLINDER HEAD ..................................................... 67
On-Vehicle Service ................................................. 67
CHECKING COMPRESSION PRESSURE ......... 67
Removal and Installation ........................................ 68
REMOVAL ........................................................... 68
INSPECTION AFTER REMOVAL ........................ 69
INSTALLATION .................................................... 69
Disassembly and Assembly .................................... 71
DISASSEMBLY ................................................... 71
ASSEMBLY ......................................................... 72
Inspection After Disassembly ................................. 73
VALVE DIMENSIONS .......................................... 73
VALVE GUIDE CLEARANCE .............................. 73
VALVE GUIDE REPLACEMENT ......................... 74
VALVE SEAT CONTACT ..................................... 75
VALVE SEAT REPLACEMENT ........................... 75
VALVE SPRING SQUARENESS ......................... 77
VALVE SPRING DIMENSIONS AND VALVE
SPRING PRESSURE LOAD ............................... 77
ENGINE ASSEMBLY ................................................ 78
Removal and Installation ........................................ 78
REMOVAL ........................................................... 78
INSTALLATION .................................................... 81
INSPECTION AFTER INSTALLATION ................ 81
CYLINDER BLOCK ................................................... 82
Disassembly and Assembly .................................... 82
DISASSEMBLY ................................................... 83
ASSEMBLY ......................................................... 87
How to Select Piston and Bearing .......................... 92
DESCRIPTION .................................................... 92
HOW TO SELECT PISTON ................................. 92
HOW TO SELECT CONNECTING ROD BEAR-ING ....................................................................... 93
HOW TO SELECT MAIN BEARING .................... 95
Inspection After Disassembly .................................. 99
CRANKSHAFT END PLAY .................................. 99
CONNECTING ROD SIDE CLEARANCE ........... 99
PISTON TO PISTON PIN OIL CLEARANCE ....... 99
PISTON RING SIDE CLEARANCE ...................100
PISTON RING END GAP ..................................100
CONNECTING ROD BEND AND TORSION .....101
CONNECTING ROD BIG END DIAMETER ......101
CONNECTING ROD BUSHING OIL CLEAR-
ANCE .................................................................101
CYLINDER BLOCK DISTORTION ....................102
MAIN BEARING HOUSING INNER DIAMETER .103
PISTON TO CYLINDER BORE CLEARANCE ..103
CRANKSHAFT MAIN JOURNAL DIAMETER ...104
CRANKSHAFT PIN JOURNAL DIAMETER ......105
OUT-OF-ROUND AND TAPER OF CRANK-
SHAFT ...............................................................105
CRANKSHAFT RUNOUT ..................................105
CONNECTING ROD BEARING OIL CLEAR-
ANCE .................................................................105
MAIN BEARING OIL CLEARANCE ...................106
MAIN BEARING CRUSH HEIGHT ....................107
CONNECTING ROD BEARING CRUSH
HEIGHT .............................................................107
LOWER CYLINDER BLOCK MOUNTING BOLT
OUTER DIAMETER ...........................................107
CONNECTING ROD BOLT OUTER DIAMETER .107
FLYWHEEL DEFLECTION (M/T MODELS) ......108
MOVEMENT AMOUNT OF FLYWHEEL (M/T
MODELS) ...........................................................108
SERVICE DATA AND SPECIFICATIONS (SDS) ....109
Standard and Limit ................................................109
GENERAL SPECIFICATIONS ...........................109
DRIVE BELT ......................................................109
INTAKE MANIFOLD AND EXHAUST MANI-
FOLD .................................................................109
SPARK PLUG ....................................................109
CYLINDER HEAD ..............................................109
VALVE ................................................................110
CAMSHAFT AND CAMSHAFT BEARING .........113
CYLINDER BLOCK ............................................114
PISTON, PISTON RING AND PISTON PIN ......115
CONNECTING ROD ..........................................116
CRANKSHAFT ...................................................116
MAIN BEARING .................................................118
CONNECTING ROD BEARING .........................119
Tightening Torque .................................................119
YD22DDTi
PRECAUTIONS .......................................................122
Precautions for Draining Engine Coolant ..............122
Precautions for Disconnecting Fuel Piping ...........122
Precautions for Removal and Disassembly ..........122
Precautions for Inspection, Repair and Replace-
ment ......................................................................122
Precautions for Assembly and Installation ............122

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Parts Requiring Angle Tightening ......................... 122
Precautions For Liquid Gasket ............................. 123
REMOVAL OF LIQUID GASKET ...................... 123
LIQUID GASKET APPLICATION PROCEDURE . 123
PREPARATION ....................................................... 124
Special Service Tools ........................................... 124
Commercial Service Tools .................................... 127
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ............................................ 129
NVH Troubleshooting — Engine Noise ................ 129
Use the Chart Below to Help You Find the Cause
of the Symptom. ................................................... 130
DRIVE BELTS ......................................................... 131
Checking Drive Belts ............................................ 131
Tension Adjustment .............................................. 131
A/C COMPRESSOR BELT ............................... 132
ALTERNATOR AND WATER PUMP BELT ....... 132
Removal and Installation ...................................... 132
REMOVAL ......................................................... 132
INSTALLATION ................................................. 132
AIR CLEANER AND AIR DUCT ............................. 133
Removal and Installation ...................................... 133
REMOVAL ......................................................... 133
INSTALLATION ................................................. 133
CHANGING AIR CLEANER FILTER ................. 134
CHARGE AIR COOLER ......................................... 135
Removal and Installation ...................................... 135
REMOVAL ......................................................... 135
INSPECTION AFTER REMOVAL ..................... 135
INSTALLATION ................................................. 135
INTAKE MANIFOLD ............................................... 136
Removal and Installation ...................................... 136
REMOVAL ......................................................... 136
INSPECTION AFTER REMOVAL ..................... 137
INSTALLATION ................................................. 137
INSPECTION AFTER INSTALLATION ............. 138
CATALYST .............................................................. 139
Removal and Installation ...................................... 139
REMOVAL ......................................................... 139
INSTALLATION ................................................. 140
EXHAUST MANIFOLD AND TURBOCHARGER .. 141
Removal and Installation ...................................... 141
REMOVAL ......................................................... 141
INSTALLATION ................................................. 142
INSPECTION AFTER INSTALLATION ............. 142
Disassembly and Assembly ................................. 143
DISASSEMBLY ................................................. 143
ASSEMBLY ....................................................... 143
INSPECTION AFTER DISASSEMBLY ............. 143
Turbocharger ........................................................ 144
ROTOR SHAFT CLEARANCE ......................... 144
ROTOR SHAFT END PLAY .............................. 144
TURBINE WHEEL ............................................. 145
COMPRESSOR WHEEL .................................. 145
TURBOCHARGER BOOST CONTROL ACTU-
ATOR ................................................................ 145
TROUBLE DIAGNOSIS OF TURBOCHARGER . 146OIL PAN AND OIL STRAINER ...............................147
Removal and Installation ......................................147
REMOVAL .........................................................147
INSPECTION AFTER REMOVAL .....................149
INSTALLATION .................................................149
INSPECTION AFTER INSTALLATION ..............151
GLOW PLUG ..........................................................152
Removal and Installation ......................................152
REMOVAL .........................................................152
INSTALLATION .................................................152
VACUUM PUMP ......................................................153
Removal and Installation ......................................153
INSPECTION BEFORE REMOVAL ..................153
REMOVAL .........................................................153
INSTALLATION .................................................154
INSPECTION AFTER INSTALLATION ..............155
Disassembly and Assembly ..................................155
DISASSEMBLY .................................................155
ASSEMBLY .......................................................156
INJECTION TUBE AND FUEL INJECTOR ............157
Removal and Installation ......................................157
REMOVAL .........................................................157
INSTALLATION .................................................159
INSPECTION AFTER INSTALLATION ..............160
FUEL PUMP ............................................................161
Removal and Installation ......................................161
REMOVAL .........................................................161
INSPECTION AFTER REMOVAL .....................165
INSTALLATION .................................................165
ROCKER COVER ...................................................168
Removal and Installation ......................................168
REMOVAL .........................................................168
INSTALLATION .................................................169
INSPECTION AFTER INSTALLATION ..............169
CAMSHAFT ............................................................170
Removal and Installation ......................................170
REMOVAL .........................................................170
INSPECTION AFTER REMOVAL .....................171
INSTALLATION .................................................174
Valve Clearance ...................................................175
INSPECTION ....................................................175
ADJUSTMENTS ................................................177
SECONDARY TIMING CHAIN ................................180
Removal and Installation ......................................180
REMOVAL .........................................................180
INSPECTION AFTER REMOVAL .....................182
INSTALLATION .................................................182
PRIMARY TIMING CHAIN ......................................185
Removal and Installation ......................................185
REMOVAL .........................................................187
INSPECTION AFTER REMOVAL .....................190
INSTALLATION .................................................190
CYLINDER HEAD ...................................................196
On-Vehicle Service ...............................................196
CHECKING COMPRESSION PRESSURE .......196
Removal and Installation ......................................197
REMOVAL .........................................................197
INSPECTION AFTER REMOVAL .....................198

EM-12
[QR]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

Use the Chart Below to Help You Find the Cause of the Symptom.EBS00L7Q
1. Locate the area where noise occurs.
2. Confirm the type of noise.
3. Specify the operating condition of engine.
4. Check specified noise source.
If necessary, repair or replace these parts.
A: Closely related B: Related C: Sometimes related —: Not relatedLocation
of noiseType of
noiseOperating condition of engine
Source of
noiseCheck itemRefer-
ence page Before
warm-
upAfter
warm-
upWhen
start-
ingWhen
idlingWhen
racingWhile
driving
To p o f
engine
Rocker
cover
Cylinder
headTicking or
clickingCA—AB—Tappet
noiseValve clearanceEM-61
Rattle C A — A B CCamshaft
bearing
noiseCamshaft journal oil
clearance
Camshaft runoutEM-56EM-55
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil panSlap or
knock—A—BB—Piston pin
noisePiston to piston pin oil
clearance
Connecting rod bush-
ing oil clearanceEM-99
EM-101
Slap or
rapA ——BBAPiston
slap noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsionEM-104EM-100
EM-100
EM-101
Knock A B CBBBConnect-
ing rod
bearing
noiseConnecting rod bush-
ing oil clearance
Connecting rod bear-
ing oil clearanceEM-101EM-105
Knock A B — A B CMain
bearing
noiseMain bearing oil clear-
ance
Crankshaft runoutEM-106EM-105
Front of
engine
Front
coverTapping or
tickingA A —BBBTiming
chain and
chain ten-
sioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operationEM-48
EM-44
Front of
engineSqueak-
ing or fizz-
ingAB—B—CDrive belt
(Sticking
or slip-
ping)Drive belt deflection
EM-13
Creaking A B A B A BDrive belt
(Slipping)Idler pulley bearing
operation
Squall
CreakA B —BABWater
pump
noiseWater pump operationCO-20,
"WATER
PUMP"

TIMING CHAIN
EM-45
[QR]
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Hood assembly; Refer to BL-12, "HOOD" .

RH and LH undercovers

PCV hose; Refer to EM-17, "INTAKE MANIFOLD" .

Ignition coil; Refer to EM-29, "IGNITION COIL" .

Rocker cover; Refer to EM-42, "ROCKER COVER" .

Engine coolant reservoir tank; Refer to CO-12, "RADIATOR" .

Drive belt; Refer to EM-13, "REMOVAL" .

Alternator; Refer to SC-12, "CHARGING SYSTEM" .

Drive belt auto-tensioner; Refer to EM-14, "REMOVAL" .

Exhaust front tube; Refer to EX-2, "EXHAUST SYSTEM" .
2. Remove A/C compressor from engine. Temporarily secure A/C compressor to vehicle side with a rope to
avoid putting a load on them.
3. Remove bracket mounting bolts for fixing A/C piping on right strut housing and exhaust manifold cover.
Doing so simplifies moving.
4. Remove power steering oil pump with piping connected, and secure it to vehicle side temporarily. Refer to
PS-34, "
HYDRAULIC LINE" .
5. Remove power steering reservoir tank from bracket to move power steering piping. Refer to PS-34,
"HYDRAULIC LINE" .
CAUTION:
To avoid power steering fluid leakage, temporarily fix power steering reservoir tank vertically.
6. Install engine slingers into front left of cylinder head and rear
right of cylinder head.

Use alternator bracket mounting bolt holes for the front side.
7. Lift with hoist, and support the engine posture.
8. Remove RH engine mounting insulator and bracket. Refer to EM-78, "
ENGINE ASSEMBLY" .
9. Remove center member and rear engine mounting bracket. Refer to EM-78, "
ENGINE ASSEMBLY" .
10. Drain engine oil. Refer to LU-8, "
Changing Engine Oil" .
11. Remove oil pan (upper and lower), and oil strainer. Refer to EM-25, "
OIL PAN AND OIL STRAINER" .
12. Remove intake valve timing control cover.

Loosen bolts in reverse order as shown in the figure.

U s e a s e a l c u t t e r ( s p e c i a l s e r v i c e t o o l : K V 1 0 1111 0 0 ) o r e q u i v -
alent tool to cut liquid gasket for removal.
CAUTION:
Be careful not to damage mounting surface.
13. Pull chain guide between camshaft sprockets out through front cover.
14. Set No. 1 cylinder at TDC on its compression stroke with the following procedure:Slinger bolts:
Front
: 57.9 N·m (5.9 kg-m, 43 ft-lb)
Rear
: 28.0 N·m (2.9 kg-m, 21 ft-lb)
SBIA0271E
KBIA0085E

OIL SEAL
EM-65
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Drive belt; Refer to EM-13, "DRIVE BELTS" .

Crankshaft pulley; Refer to EM-44, "TIMING CHAIN" .
2. Remove front oil seal with a suitable tool.
CAUTION:
Be careful not to damage front cover and crankshaft.
INSTALLATION
1. Apply new engine oil to new front oil seal joint surface and seal lip.
2. Install front oil seal so that each seal lip is oriented as shown in
the figure.

Press-fit front oil seal until it is flush with front end surface of
front cover with a suitable tool.
CAUTION:

Be careful not to damage front cover and crankshaft.

Press-fit oil seal straight to avoid causing burrs or tilt-
ing.
3. Install in the reverse order of removal after this step.
Removal and Installation of Rear Oil SealEBS00KNO
REMOVAL
1. Remove transaxle assembly. Refer to MT-17, "TRANSAXLE ASSEMBLY" (M/T models) or AT- 4 1 3 ,
"REMOVAL AND INSTALLATION" (A/T models).
2. Remove drive plate (A/T models) or flywheel (M/T models). Refer to EM-82, "
CYLINDER BLOCK" .
3. Remove rear oil seal with a suitable tool.
CAUTION:
Be careful not to damage crankshaft and cylinder block.
INSTALLATION
1. Apply new engine oil to new rear oil seal joint surface and seal lip.
SEM829E
SEM715A
SBIA0266E

EM-130
[YD22DDTi]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

Use the Chart Below to Help You Find the Cause of the Symptom.EBS00LR9
1. Locate the area where noise occurs.
2. Confirm the type of noise.
3. Specify the operating condition of engine.
4. Check specified noise source.
If necessary, repair or replace these parts.
A: Closely related B: Related C: Sometimes related —: Not relatedLocation
of noiseType of
noiseOperating condition of engine
Source of
noiseCheck itemRefer-
ence page Before
warm-
upAfter
warm-
upWhen
start-
ingWhen
idlingWhen
racingWhile
driving
To p o f
engine
Rocker
cover
Cylinder
headTicking or
clickingCA—AB—Tappet
noiseValve clearanceEM-175
Rattle C A — A B CCamshaft
bearing
noiseCamshaft oil clearance
Camshaft runoutEM-172EM-171
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil panSlap or
knock—A—BB—Piston pin
noisePiston to piston pin
clearance
Connecting rod bush-
ing oil clearanceEM-226
EM-228
Slap or
rapA ——BBAPiston
slap noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsionEM-230EM-227
EM-227
EM-228
Knock A B CBBBConnect-
ing rod
bearing
noiseConnecting rod bush-
ing oil clearance
Connecting rod bear-
ing oil clearance (Big
end)EM-228EM-232
Knock A B — A B CMain
bearing
noiseMain bearing oil clear-
ance
Crankshaft runoutEM-233EM-232
Front of
engine
Timin g
chain
caseTapping or
tickingA A —BBBTiming
chain and
chain ten-
sioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operationEM-180
EM-185
Front of
engineSqueak-
ing or fizz-
ingAB—B—CDrive belts
(Sticking
or slip-
ping)Drive belts deflection
EM-131
Creaking A B A B A BDrive belts
(Slipping)Idler pulley bearing
operation
Squall
CreakA B —BABWater
pump
noiseWater pump operationCO-42,
"WATER
PUMP"

EM-236
[YD22DDTi]
SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Standard and LimitEBS00ODZ
GENERAL SPECIFICATIONS
INTAKE MANIFOLD AND EXHAUST MANIFOLD
Unit: mm (in)
DRIVE BELTS
Belt Deflection:
Unit: mm (in)
*: When engine is cold.Cylinder arrangementIn-line 4
Displacement
Unit: cm
3 (cu in)2,184 (133.27)
Bore and stroke Unit: mm (in) 86 x 94 (3.39 x 3.70)
Valve arrangementDOHC
Firing order1-3-4-2
Number of piston ringsCompression 2
Oil 1
Number of main bearings5
Compression ratio16.7
Compression pressure
Unit: kPa (bar, kg/cm
2 , psi)/200 rpmStandard 2,991 (29.9, 30.5, 434)
Minimum 2,452 (24.5, 25.0, 356)
Differential limit between cylinders 490 (4.9, 5.0, 71)
Valve timing
Unit: degree
abc de f
224 212 2 30 -2 46
EM120
Item Limit
Surface distortionIntake manifold 0.1 (0.004)
Exhaust manifold 0.3 (0.012)
Applied beltBelt deflection with 98 N (10 kg, 22 lb) force applied*
New Adjusted Limit for re-adjusting
A/C compressor belt4 - 5
(0.16 - 0.20)6 - 7
(0.24 - 0.28)8.5 (0.335)
Alternator and water pump belt9.0 - 10.5
(0.354 - 0.413)11.0 - 12.5
(0.433 - 0.492)16.5 (0.650)

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
A
EC

ENGINE CONTROL SYSTEM
QR (WITH EURO-OBD)
INDEX FOR DTC ...................................................... 19
Alphabetical Index .................................................. 19
DTC No. Index ....................................................... 21
PRECAUTIONS ........................................................ 24
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 24
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 24
Precaution .............................................................. 24
Wiring Diagrams and Trouble Diagnosis ................ 27
PREPARATION ......................................................... 28
Special Service Tools ............................................. 28
Commercial Service Tools ...................................... 29
ENGINE CONTROL SYSTEM .................................. 30
System Diagram ..................................................... 30
Vacuum Hose Drawing ........................................... 32
System Chart ......................................................... 34
Multiport Fuel Injection (MFI) System .................... 34
Electronic Ignition (EI) System ............................... 37
Air Conditioning Cut Control ................................... 37
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 38
CAN Communication Unit ...................................... 38
BASIC SERVICE PROCEDURE .............................. 44
Idle Speed and Ignition Timing Check .................... 44
Accelerator Pedal Released Position Learning ...... 45
Throttle Valve Closed Position Learning ................ 46
Idle Air Volume Learning ........................................ 46
Fuel Pressure Check .............................................. 48
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 51
Introduction ............................................................ 51
Two Trip Detection Logic ........................................ 51
Emission-related Diagnostic Information ................ 52
NATS (Nissan Anti-theft System) ........................... 64
Malfunction Indicator (MI) ....................................... 64
OBD System Operation Chart ................................ 67
TROUBLE DIAGNOSIS ............................................ 73
Trouble Diagnosis Introduction ............................... 73DTC Inspection Priority Chart ................................. 76
Fail-safe Chart ........................................................ 77
Basic Inspection ..................................................... 79
Symptom Matrix Chart ............................................ 84
Engine Control Component Parts Location ............ 88
Circuit Diagram ....................................................... 93
ECM Harness Connector Terminal Layout ............. 95
ECM Terminals and Reference Value ..................... 95
CONSULT-II Function ...........................................102
Generic Scan Tool (GST) Function .......................112
CONSULT-II Reference Value in Data Monitor Mode
.114
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................116
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .119
Description ............................................................119
Testing Condition ..................................................119
Inspection Procedure ............................................119
Diagnostic Procedure ...........................................120
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................123
Description ............................................................123
Diagnostic Procedure ...........................................123
POWER SUPPLY AND GROUND CIRCUIT ...........124
Wiring Diagram .....................................................124
Diagnostic Procedure ...........................................125
Component Inspection ..........................................131
Ground Inspection ................................................131
DTC U1000, U1001 CAN COMMUNICATION LINE .132
Description ............................................................132
On Board Diagnosis Logic ....................................132
DTC Confirmation Procedure ...............................132
Wiring Diagram .....................................................133
Diagnostic Procedure ...........................................134
DTC P0011 IVT CONTROL .....................................135
Description ............................................................135
CONSULT-II Reference Value in Data Monitor Mode
.135
On Board Diagnosis Logic ....................................136

EC-5
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Diagnostic Procedure ........................................... 382
Component Inspection ......................................... 384
DTC P2122, P2123 APP SENSOR ........................ 386
Component Description ........................................ 386
CONSULT-II Reference Value in Data Monitor Mode
. 386
On Board Diagnosis Logic ................................... 386
DTC Confirmation Procedure ............................... 387
Wiring Diagram .................................................... 388
Diagnostic Procedure ........................................... 390
Component Inspection ......................................... 392
Removal and Installation ...................................... 392
DTC P2127, P2128 APP SENSOR ........................ 393
Component Description ........................................ 393
CONSULT-II Reference Value in Data Monitor Mode
. 393
On Board Diagnosis Logic ................................... 393
DTC Confirmation Procedure ............................... 393
Wiring Diagram .................................................... 395
Diagnostic Procedure ........................................... 397
Component Inspection ......................................... 400
Removal and Installation ...................................... 400
DTC P2135 TP SENSOR ........................................ 401
Component Description ........................................ 401
CONSULT-II Reference Value in Data Monitor Mode
. 401
On Board Diagnosis Logic ................................... 401
DTC Confirmation Procedure ............................... 401
Wiring Diagram .................................................... 403
Diagnostic Procedure ........................................... 405
Component Inspection ......................................... 408
Removal and Installation ...................................... 408
DTC P2138 APP SENSOR ..................................... 409
Component Description ........................................ 409
CONSULT-II Reference Value in Data Monitor Mode
. 409
On Board Diagnosis Logic ................................... 409
DTC Confirmation Procedure ............................... 410
Wiring Diagram ..................................................... 411
Diagnostic Procedure ........................................... 413
Component Inspection ......................................... 416
Removal and Installation ...................................... 416
IGNITION SIGNAL .................................................. 417
Component Description ........................................ 417
Wiring Diagram .................................................... 418
Diagnostic Procedure ........................................... 421
Component Inspection ......................................... 426
Removal and Installation ...................................... 427
INJECTOR CIRCUIT ............................................... 428
Component Description ........................................ 428
CONSULT-II Reference Value in Data Monitor Mode
. 428
Wiring Diagram .................................................... 429
Diagnostic Procedure ........................................... 430
Component Inspection ......................................... 433
Removal and Installation ...................................... 433
VIAS ........................................................................ 434
Description ........................................................... 434
CONSULT-II Reference Value in Data Monitor Mode .435
Wiring Diagram .....................................................436
Diagnostic Procedure ...........................................438
Component Inspection ..........................................441
Removal and Installation ......................................442
FUEL PUMP CIRCUIT ............................................443
Description ............................................................443
CONSULT-II Reference Value in Data Monitor Mode
.443
Wiring Diagram .....................................................444
Diagnostic Procedure ...........................................447
Component Inspection ..........................................450
Removal and Installation ......................................450
REFRIGERANT PRESSURE SENSOR ..................451
Component Description ........................................451
Wiring Diagram .....................................................452
Diagnostic Procedure ...........................................453
Removal and Installation ......................................455
ELECTRICAL LOAD SIGNAL ................................456
CONSULT-II Reference Value in Data Monitor Mode
.456
Wiring Diagram .....................................................457
Diagnostic Procedure ...........................................464
MI & DATA LINK CONNECTORS ...........................469
Wiring Diagram .....................................................469
EVAPORATIVE EMISSION SYSTEM .....................473
Description ............................................................473
Component Inspection ..........................................476
POSITIVE CRANKCASE VENTILATION ...............478
Description ............................................................478
Component Inspection ..........................................478
SERVICE DATA AND SPECIFICATIONS (SDS) ....480
Fuel Pressure .......................................................480
Idle Speed and Ignition Timing .............................480
Calculated Load Value ..........................................480
Mass Air Flow Sensor ...........................................480
Intake Air Temperature Sensor .............................480
Engine Coolant Temperature Sensor ...................480
Heated Oxygen Sensor 1 Heater .........................480
Heated Oxygen sensor 2 Heater ..........................481
Crankshaft Position Sensor (POS) .......................481
Camshaft Position Sensor (PHASE) ....................481
Throttle Control Motor ...........................................481
Injector ..................................................................481
Fuel Pump ............................................................481
QR (WITHOUT EURO-OBD)
INDEX FOR DTC .....................................................482
Alphabetical Index ................................................482
DTC No. Index ......................................................484
PRECAUTIONS ......................................................486
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ...............................................................486
On Board Diagnostic (OBD) System of Engine ....486
Precaution ............................................................486
Wiring Diagrams and Trouble Diagnosis ..............489

EC-9
C
D
E
F
G
H
I
J
K
L
M
ECA
Wiring Diagram .................................................... 793
Diagnostic Procedure ........................................... 794
Component Inspection ......................................... 796
Removal and Installation ...................................... 797
IGNITION SIGNAL .................................................. 798
Component Description ........................................ 798
Wiring Diagram .................................................... 799
Diagnostic Procedure ........................................... 802
Component Inspection ......................................... 807
Removal and Installation ...................................... 808
EVAP CANISTER PURGE VOLUME CONTROL
SOLENOID VALVE ................................................. 809
Description ........................................................... 809
CONSULT-II Reference Value in Data Monitor Mode
. 809
Wiring Diagram .................................................... 810
Diagnostic Procedure ........................................... 812
Component Inspection ......................................... 815
Removal and Installation ...................................... 815
PNP SWITCH .......................................................... 816
Component Description ........................................ 816
CONSULT-II Reference Value in Data Monitor Mode
. 816
Wiring Diagram .................................................... 817
Diagnostic Procedure ........................................... 818
INJECTOR CIRCUIT ............................................... 820
Component Description ........................................ 820
CONSULT-II Reference Value in Data Monitor Mode
. 820
Wiring Diagram .................................................... 821
Diagnostic Procedure ........................................... 822
Component Inspection ......................................... 825
Removal and Installation ...................................... 825
VIAS ........................................................................ 826
Description ........................................................... 826
CONSULT-II Reference Value in Data Monitor Mode
. 827
Wiring Diagram .................................................... 828
Diagnostic Procedure ........................................... 830
Component Inspection ......................................... 833
Removal and Installation ...................................... 834
FUEL PUMP CIRCUIT ............................................ 835
Description ........................................................... 835
CONSULT-II Reference Value in Data Monitor Mode
. 835
Wiring Diagram .................................................... 836
Diagnostic Procedure ........................................... 839
Component Inspection ......................................... 842
Removal and Installation ...................................... 842
REFRIGERANT PRESSURE SENSOR ................. 843
Component Description ........................................ 843
Wiring Diagram .................................................... 844
Diagnostic Procedure ........................................... 845
Removal and Installation ...................................... 847
ELECTRICAL LOAD SIGNAL ................................ 848
CONSULT-II Reference Value in Data Monitor Mode
. 848
Wiring Diagram .................................................... 849
Diagnostic Procedure ........................................... 856MI & DATA LINK CONNECTORS ...........................861
Wiring Diagram .....................................................861
Wiring Diagram – ..................................................863
EVAPORATIVE EMISSION SYSTEM .....................865
Description ............................................................865
Component Inspection ..........................................868
POSITIVE CRANKCASE VENTILATION ...............870
Description ............................................................870
Component Inspection ..........................................870
SERVICE DATA AND SPECIFICATIONS (SDS) ....872
Fuel Pressure .......................................................872
Idle Speed and Ignition Timing .............................872
Mass Air Flow Sensor ...........................................872
Intake Air Temperature Sensor .............................872
Engine Coolant Temperature Sensor ...................872
Heated Oxygen Sensor 1 Heater .........................872
Heated Oxygen sensor 2 Heater ..........................872
Crankshaft Position Sensor (POS) .......................872
Camshaft Position Sensor (PHASE) ....................873
Throttle Control Motor ...........................................873
Injector ..................................................................873
Fuel Pump ............................................................873
YD (WITH EURO-OBD)
INDEX FOR DTC .....................................................874
Alphabetical Index ................................................874
DTC No. Index ......................................................876
PRECAUTIONS ......................................................878
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ...............................................................878
On Board Diagnostic (OBD) System of Engine ....878
Precautions ...........................................................878
Wiring Diagrams and Trouble Diagnosis ..............881
PREPARATION .......................................................882
Special Service Tools ...........................................882
Commercial Service Tools ....................................882
ENGINE CONTROL SYSTEM ................................883
System Diagram ...................................................883
Vacuum Hose Drawing .........................................884
System Chart ........................................................885
Fuel Injection Control System ...............................885
Fuel Injection Timing Control System ...................887
Air Conditioning Cut Control .................................887
Fuel Cut Control (At No Load & High Engine Speed) .887
Crankcase Ventilation System ..............................888
CAN Communication ............................................888
BASIC SERVICE PROCEDURE .............................890
Fuel Filter ..............................................................890
Fuel Pump Learning Value Clearing .....................890
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..........892
Introduction ...........................................................892
Three Trip Detection Logic and One Trip Detection
Logic .....................................................................892
Emission-related Diagnostic Information ..............892
NATS (Nissan Anti-theft System) .........................896
Malfunction Indicator (MI) .....................................896
OBD System Operation Chart ..............................898