2003 NISSAN X-TRAIL CANISTER

GI-46
TERMINOLOGY

TERMINOLOGYPFP:00011
SAE J1930 Terminology List EAS000GH
All emission related terms used in this publication in accordance with SAE J1930 are listed. Accordingly, new
terms, new acronyms/abbreviations and old terms are listed in the following chart.
NEW TERMNEW ACRONYM /
ABBREVIATIONOLD TERM
Air cleaner ACL Air cleaner
Barometric pressure BARO ***
Barometric pressure sensor-BCDD BAROS-BCDD BCDD
Camshaft position CMP ***
Camshaft position sensor CMPS Crank angle sensor
Canister *** Canister
Carburetor CARB Carburetor
Charge air cooler CAC Intercooler
Closed loop CL Closed loop
Closed throttle position switch CTP switch Idle switch
Clutch pedal position switch CPP switch Clutch switch
Continuous fuel injection system CFI system ***
Continuous trap oxidizer system CTOX system ***
Crankshaft position CKP ***
Crankshaft position sensor CKPS ***
Data link connector DLC ***
Data link connector for CONSULT-II DLC for CONSULT-II Diagnostic connector for CONSULT-II
Diagnostic test mode DTM Diagnostic mode
Diagnostic test mode selector DTM selector Diagnostic mode selector
Diagnostic test mode I DTM I Mode I
Diagnostic test mode II DTM II Mode II
Diagnostic trouble code DTC Malfunction code
Direct fuel injection system DFI system ***
Distributor ignition system DI system Ignition timing control
Early fuel evaporation-mixture heater EFE-mixture heater Mixture heater
Early fuel evaporation system EFE system Mixture heater control
Electrically erasable programmable read
only memoryEEPROM ***
Electronic ignition system EI system Ignition timing control
Engine control EC ***
Engine control module ECM ECCS control unit
Engine coolant temperature ECT Engine temperature
Engine coolant temperature sensor ECTS Engine temperature sensor
Engine modification EM ***
Engine speed RPM Engine speed
Erasable programmable read only memory EPROM ***
Evaporative emission canister EVAP canister Canister
Evaporative emission system EVAP system Canister control solenoid valve
Exhaust gas recirculation valve EGR valve EGR valve

INTAKE MANIFOLD
EM-17
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INTAKE MANIFOLDPFP:14003
Removal and Installation (QR20DE)EBS00KNC
REMOVAL
1. Release fuel pressure. Refer to EC-48, "FUEL PRESSURE RELEASE" (WITH EURO-OBD) or EC-510,
"FUEL PRESSURE RELEASE" (WITHOUT EURO-OBD).
2. Remove air cleaner case upper, mass air flow sensor and air duct assembly. Refer to EM-15, "
AIR
CLEANER AND AIR DUCT" .
3. Remove quick connector caps, and disconnect quick connectors
at engine side and vehicle side. Refer to EM-32, "
Removal and
Installation (QR20DE)" .
4. Remove electric throttle control actuator with the following procedure:
a. Disconnect harness connector.
1. Vacuum hose 2. Intake manifold 3. PCV hose
4. Bracket 5. Gasket 6. Electric throttle control actuator
7. Gasket 8. Intake manifold support 9. Gasket
10. Vacuum hose 11.EVAP canister purge volume con-
trol solenoid valve12. Vacuum hose
13. Bracket 14. Bracket
PBIC2172E
PBIC2175E

EM-20
[QR]
INTAKE MANIFOLD

Removal and Installation (QR25DE)EBS011TH
REMOVAL
1. Release fuel pressure. Refer to EC-48, "FUEL PRESSURE RELEASE" (WITH EURO-OBD) or EC-510,
"FUEL PRESSURE RELEASE" (WITHOUT EURO-OBD).
2. Remove air cleaner case upper, mass air flow sensor and air duct assembly. Refer to EM-15, "
AIR
CLEANER AND AIR DUCT" .
3. Remove quick connector caps, and disconnect quick connectors
at engine side and vehicle side. Refer to EM-37, "
Removal and
Installation (QR25DE)" .
4. Remove electric throttle control actuator with the following procedure:
1. Bracket 2. PCV hose 3. Intake manifold collector
4. Gasket 5. Electric throttle control actuator 6. Intake manifold rear support
7.EVAP canister purge volume control
solenoid valve8. Vacuum hose 9. Intake manifold
10. Vacuum reservoir tank 11. VIAS control solenoid valve 12. Vacuum hose
13. Bracket 14. Intake manifold support 15. Vacuum reservoir tank bracket
PBIC2174E
PBIC2175E

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-119
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CONNECTING ROD BEARING
Undersize
Unit: mm (in)
Bearing Oil Clearance
Unit: mm (in)
Tightening TorqueEBS00KNY
Unit: N·m (kg-m, ft-lb)
Unit: N·m (kg-m, in-lb)*2
Grade number Thickness mm (in) Identification color
0 1.495 - 1.499 (0.0589 - 0.0590) Black
1 1.499 - 1.503 (0.0590 - 0.0592) Brown
2 1.503 - 1.507 (0.0592 - 0.0593) Green
3 1.507 - 1.511(0.0593 - 0.0595) Yellow
Item Thickness Crank pin journal diameter
US 0.25 (0.0098) 1.624 - 1.632 (0.0639 - 0.0643) Grind so that bearing clearance is the specified value.
Connecting rod bearing oil clearanceStandard 0.028 - 0.045 (0.0011 - 0.0018)
Limit 0.10 (0.0039)
*1: Parts to be tightened in particular orders.
1)-: Order of tightening when tightening two or more times separately.
Auto-tensioner 21.6 (2.2, 16)
Mass air flow sensor
3.8 (0.39, 34) *
2
Resonator
3.8 (0.39, 34)*2
Air cleaner case lower
3.8 (0.39, 34)*2
*1 Intake manifold19.6 (2.0, 14)
Intake manifold collector (QR25DE) 19.6 (2.0, 14)
Intake manifold support (QR20DE) 19.6 (2.0, 14)
Intake manifold support (QR25DE) M6 bolt
8.83 (0.90, 78) *
2
M10 bolt 46.6 (4.8, 34)
Intake manifold rear support (QR25DE) 19.6 (2.0, 14)
Electric throttle control actuator
8.43 (0.86, 75) *
2
EVAP canister purge volume control solenoid valve
5.1 (0.52, 45) *2
*1 Exhaust manifold and three way catalyst assembly 41.7 (4.3, 31)
Exhaust manifold covers (upper and lower)
5.8 (0.59, 51) *
2
Three way catalyst cover
5.8 (0.59, 51) *2
Heated oxygen sensor 1 45 (4.6, 33)
Heated oxygen sensor 2 45 (4.6, 33)
*1 Oil pan upper M6 bolt
8.8 (0.90, 78) *
2
M8 bolt 21.6 (2.2, 16)
Oil pan upper to transaxle joint bolts 42.7 (4.4, 31)
*1 Oil pan lower
6.9 (0.70, 61) *
2
Oil pan drain plug34.3 (3.5, 25)
Rear plate cover
6.9 (0.70, 61) *
2
Oil level gauge guide 21.6 (2.2, 16)

EC-3
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ECA
DTC P0172 FUEL INJECTION SYSTEM FUNCTION . 223
On Board Diagnosis Logic ................................... 223
DTC Confirmation Procedure ............................... 223
Wiring Diagram .................................................... 225
Diagnostic Procedure ........................................... 226
DTC P0222, P0223 TP SENSOR ........................... 229
Component Description ........................................ 229
CONSULT-II Reference Value in Data Monitor Mode
. 229
On Board Diagnosis Logic ................................... 229
DTC Confirmation Procedure ............................... 229
Wiring Diagram .................................................... 231
Diagnostic Procedure ........................................... 233
Component Inspection ......................................... 236
Removal and Installation ...................................... 236
DTC P0300 - P0304 MULTIPLE CYLINDER MIS-
FIRE, NO. 1 - 4 CYLINDER MISFIRE ..................... 237
On Board Diagnosis Logic ................................... 237
DTC Confirmation Procedure ............................... 237
Diagnostic Procedure ........................................... 238
DTC P0327, P0328 KS ........................................... 242
Component Description ........................................ 242
On Board Diagnosis Logic ................................... 242
DTC Confirmation Procedure ............................... 242
Wiring Diagram .................................................... 243
Diagnostic Procedure ........................................... 244
Component Inspection ......................................... 246
Removal and Installation ...................................... 246
DTC P0335 CKP SENSOR (POS) .......................... 247
Component Description ........................................ 247
CONSULT-II Reference Value in Data Monitor Mode
. 247
On Board Diagnosis Logic ................................... 247
DTC Confirmation Procedure ............................... 247
Wiring Diagram .................................................... 248
Diagnostic Procedure ........................................... 250
Component Inspection ......................................... 252
Removal and Installation ...................................... 253
DTC P0340 CMP SENSOR (PHASE) ..................... 254
Component Description ........................................ 254
On Board Diagnosis Logic ................................... 254
DTC Confirmation Procedure ............................... 254
Wiring Diagram .................................................... 255
Diagnostic Procedure ........................................... 256
Component Inspection ......................................... 259
Removal and Installation ...................................... 260
DTC P0420 THREE WAY CATALYST FUNCTION . 261
On Board Diagnosis Logic ................................... 261
DTC Confirmation Procedure ............................... 261
Overall Function Check ........................................ 262
Diagnostic Procedure ........................................... 263
DTC P0444, P0445 EVAP CANISTER PURGE VOL-
UME CONTROL SOLENOID VALVE ..................... 265
Description ........................................................... 265
CONSULT-II Reference Value in Data Monitor Mode
. 265
On Board Diagnosis Logic ................................... 266
DTC Confirmation Procedure ............................... 266
Wiring Diagram .................................................... 267Diagnostic Procedure ...........................................269
Component Inspection ..........................................271
Removal and Installation ......................................271
DTC P0500 VSS ......................................................272
Description ............................................................272
On Board Diagnosis Logic ....................................272
DTC Confirmation Procedure ...............................272
Overall Function Check ........................................272
Diagnostic Procedure ...........................................273
DTC P0550 PSP SENSOR .....................................274
Component Description ........................................274
CONSULT-II Reference Value in Data Monitor Mode
.274
On Board Diagnosis Logic ....................................274
DTC Confirmation Procedure ...............................274
Wiring Diagram .....................................................275
Diagnostic Procedure ...........................................276
Component Inspection ..........................................278
Removal and Installation ......................................278
DTC P0605 ECM .....................................................279
Component Description ........................................279
On Board Diagnosis Logic ....................................279
DTC Confirmation Procedure ...............................279
Diagnostic Procedure ...........................................280
DTC P1065 ECM POWER SUPPLY .......................282
Component Description ........................................282
On Board Diagnosis Logic ....................................282
DTC Confirmation Procedure ...............................282
Wiring Diagram .....................................................283
Diagnostic Procedure ...........................................284
DTC P1111 IVT CONTROL SOLENOID VALVE .....286
Component Description ........................................286
CONSULT-II Reference Value in Data Monitor Mode
.286
On Board Diagnosis Logic ....................................286
DTC Confirmation Procedure ...............................286
Wiring Diagram .....................................................287
Diagnostic Procedure ...........................................288
Component Inspection ..........................................289
Removal and Installation ......................................289
DTC P1121 ELECTRIC THROTTLE CONTROL
ACTUATOR .............................................................290
Component Description ........................................290
On Board Diagnosis Logic ....................................290
DTC Confirmation Procedure ...............................290
Diagnostic Procedure ...........................................291
Removal and Installation ......................................291
DTC P1122 ELECTRIC THROTTLE CONTROL
FUNCTION ..............................................................292
Description ............................................................292
On Board Diagnosis Logic ....................................292
DTC Confirmation Procedure ...............................292
Wiring Diagram .....................................................293
Diagnostic Procedure ...........................................297
Component Inspection ..........................................300
Removal and Installation ......................................301
DTC P1124, P1126 THROTTLE CONTROL MOTOR
RELAY .....................................................................302
Component Description ........................................302

EC-9
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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

EC-34
[QR (WITH EURO-OBD)]
ENGINE CONTROL SYSTEM

System ChartEBS010L8
*1: This sensor is not used to control the engine system under normal conditions.
*2: This input signal is sent to the ECM through CAN communication line.
*3: This output signal is sent from the ECM through CAN communication line.
*4: With ESP models.
*5: Without ESP models.
Multiport Fuel Injection (MFI) SystemEBS010L9
INPUT/OUTPUT SIGNAL CHART
*1: This sensor is not used to control the engine system under normal conditions.Input (Sensor) ECM Function Output (Actuator)

Camshaft position sensor (PHASE)

Crankshaft position sensor (POS)

Mass air flow sensor

Engine coolant temperature sensor

Heated oxygen sensor 1

Throttle position sensor

Accelerator pedal position sensor

Park/neutral position (PNP) switch

Intake air temperature sensor

Power steering pressure sensor

Ignition switch

Battery voltage

Knock sensor

Refrigerant pressure sensor

Stop lamp switch

Heated oxygen sensor 2*1

TCM (Transmission control module)*2

ESP/TCS/ABS control unit*2 *4

ABS actuator and electric unit
(control unit)*2 *5

Air conditioner switch

Wheel sensor*2

Electrical load signalFuel injection & mixture ratio control Fuel injector
Electronic ignition system Power transistor
Fuel pump control Fuel pump relay
On board diagnostic system
MI (On the instrument panel)*
3
Heated oxygen sensor 1 heater control Heated oxygen sensor 1 heater
Heated oxygen sensor 2 heater control Heated oxygen sensor 2 heater
EVAP canister purge flow controlEVAP canister purge volume control
solenoid valve
Air conditioning cut control Air conditioner relay
Cooling fan control Cooling fan relay
Sensor Input Signal to ECMECM
functionActuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)Engine speed*
3 and piston position
Fuel injec-
tion & mix-
ture ratio
controlFuel injector Mass air flow sensor Amount of intake air
Engine coolant temperature sensor Engine coolant temperature
Heated oxygen sensor 1 Density of oxygen in exhaust gas
Throttle position sensor Throttle position
Accelerator pedal position sensor Accelerator pedal position
Park/neutral position (PNP) switch Gear position
Knock sensor Engine knocking condition
Battery
Battery voltage*
3
Power steering pressure sensor Power steering operation
Heated oxygen sensor 2*
1Density of oxygen in exhaust gas
Wheel sensor*
2Vehicle speed
Air conditioner switch Air conditioner operation

TROUBLE DIAGNOSIS
EC-77
[QR (WITH EURO-OBD)]
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Fail-safe ChartEBS010LR
When the DTC listed bellow is detected, the ECM enters fail-safe mode and the MI lights up.
Priority Detected items (DTC)
1

U1000 U1001 CAN communication line

P0102 P0103 Mass air flow sensor

P0112 P0113 Intake air temperature sensor

P0117 P0118 Engine coolant temperature sensor

P0122 P0123 P0222 P0223 P1225 P1226 P2135 Throttle position sensor

P0327 P0328 Knock sensor

P0335 Crankshaft position sensor (POS)

P0340 Camshaft position sensor (PHASE)

P0500 Vehicle speed sensor

P0605 ECM

P0705 Park/Neutral position (PNP) sensor

P1229 Sensor power supply

P1610-P1615 NATS

P1706 Park/Neutral position (PNP) switch

P2122 P2123 P2127 P2128 P2138 Accelerator pedal position sensor
2

P0031 P0032 Heated oxygen sensor 1 heater

P0037 P0038 Heated oxygen sensor 2 heater

P0132 P0133 P0134 P1143 P1144 Heated oxygen sensor 1

P0138 P0139 P1146 P1147 Heated oxygen sensor 2

P0444 P0445 EVAP canister purge volume control solenoid valve

P0550 Power steering pressure sensor

P0710 P0720 P725, P0740 P0745 P0750 P0755 P1705 P1760 A/T related sensors and solenoid valves

P1065 ECM power supply

P 1111 I n ta k e v a l v e t i m i n g c o n t r o l s o l e n o i d v a l v e

P1122 Electric throttle control function

P1124 P1126 Throttle control motor relay

P1128 Throttle control mother

P1211 TCS control unit

P1212 TCS communication line

P1720 Vehicle speed sensor

P1805 Brake switch
3

P0011 Intake valve timing control

P0171 P0172 Fuel injection system function

P0300 - P0304 Misfire

P0420 Three way catalyst function

P0731 - P0734 A/T function

P1121 Electric throttle control actuator

P1217 Engine over temperature (OVERHEAT)
DTC No. Detected items Engine operating condition in fail-safe mode
P0102
P0103Mass air flow sensor circuit Engine speed will not rise more than 2,400 rpm due to the fuel cut.