2003 NISSAN X-TRAIL Electronic Repair Manual

adding oil low oil pressure seat adjustment wheel bolts audio jack points

Page 1121 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-7
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ECA On Board Diagnosis Logic ................................... 513
DTC Confirmation Procedure ............................... 513
Overall Function Check ..................

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ECA On Board Diagnosis Logic ................................... 513
DTC Confirmation Procedure ............................... 513
Overall Function Check ........................................ 514
Wiring Diagram .................................................... 515
Diagnostic Procedure ........................................... 517
DTC P0550 PSP SENSOR ..................................... 518
Component Description ........................................ 518
CONSULT-II Reference Value in Data Monitor Mode
. 518
ECM Terminals and Reference Value .................. 518
On Board Diagnosis Logic ................................... 518
DTC Confirmation Procedure ............................... 518
Wiring Diagram .................................................... 520
Diagnostic Procedure ........................................... 521
Component Inspection ......................................... 522
DTC P0605 ECM .................................................... 523
Component Description ........................................ 523
On Board Diagnosis Logic ................................... 523
DTC Confirmation Procedure ............................... 523
Diagnostic Procedure ........................................... 525
DTC P0650 MI ........................................................ 526
Component Description ........................................ 526
On Board Diagnosis Logic ................................... 526
DTC Confirmation Procedure ............................... 526
Overall Function Check ........................................ 526
Wiring Diagram .................................................... 527
Diagnostic Procedure ........................................... 528
DTC P1065 ECM POWER SUPPLY ....................... 530
Component Description ........................................ 530
On Board Diagnosis Logic ................................... 530
DTC Confirmation Procedure ............................... 530
Wiring Diagram .................................................... 531
Diagnostic Procedure ........................................... 532
DTC P1121 ELECTRIC THROTTLE CONTROL
ACTUATOR ............................................................ 534
Description ........................................................... 534
On Board Diagnosis Logic ................................... 534
DTC Confirmation Procedure ............................... 534
Diagnostic Procedure ........................................... 535
DTC P1122 ELECTRIC THROTTLE CONTROL
FUNCTION .............................................................. 536
Description ........................................................... 536
ECM Terminals and Reference Value .................. 536
On Board Diagnosis Logic ................................... 536
DTC Confirmation Procedure ............................... 537
Wiring Diagram .................................................... 538
Diagnostic Procedure ........................................... 539
Component Inspection ......................................... 540
DTC P1123 THROTTLE CONTROL MOTOR RELAY. 542
Component Description ........................................ 542
CONSULT-II Reference Value in Data Monitor Mode
. 542
ECM Terminals and Reference Value .................. 542
On Board Diagnosis Logic ................................... 542
DTC Confirmation Procedure ............................... 542
Wiring Diagram .................................................... 544
Diagnostic Procedure ........................................... 545
Component Inspection ......................................... 546DTC P1212 ESP/TCS/ABS COMMUNICATION
LINE ........................................................................547
Description ............................................................547
On Board Diagnosis Logic ....................................547
DTC Confirmation Procedure ...............................547
Diagnostic Procedure ...........................................547
DTC P1217 ENGINE OVER TEMPERATURE ........548
System Description ...............................................548
CONSULT-II Reference Value in Data Monitor Mode
.548
ECM Terminals and Reference Value ...................549
On Board Diagnosis Logic ....................................549
Overall Function Check ........................................549
Wiring Diagram .....................................................552
Diagnostic Procedure ...........................................553
Main 12 Causes of Overheating ...........................560
Component Inspection ..........................................561
DTC P1805 BRAKE SWITCH .................................562
Description ............................................................562
CONSULT-II Reference Value in Data Monitor Mode
.562
ECM Terminals and Reference Value ...................562
On Board Diagnosis Logic ....................................562
DTC Confirmation Procedure ...............................562
Wiring Diagram .....................................................564
Diagnostic Procedure ...........................................565
Component Inspection ..........................................566
HO2S1 HEATER .....................................................568
Description ............................................................568
CONSULT-II Reference Value in Data Monitor Mode
.568
ECM Terminals and Reference Value ...................568
Wiring Diagram .....................................................569
Diagnostic Procedure ...........................................570
Component Inspection ..........................................572
Removal and Installation ......................................572
HO2S2 HEATER .....................................................573
Description ............................................................573
CONSULT-II Reference Value in Data Monitor Mode
.573
ECM Terminals and Reference Value ...................573
Wiring Diagram .....................................................574
Diagnostic Procedure ...........................................575
Component Inspection ..........................................576
Removal and Installation ......................................576
IAT SENSOR ...........................................................577
Component Description ........................................577
Wiring Diagram .....................................................578
Diagnostic Procedure ...........................................579
Component Inspection ..........................................580
Removal and Installation ......................................580
HO2S1 .....................................................................581
Component Description ........................................581
CONSULT-II Reference Value in Data Monitor Mode
.581
ECM Terminals and Reference Value ...................581
Wiring Diagram .....................................................582
Diagnostic Procedure ...........................................583

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-8
Component Inspection ..........................................584
Removal and Installation ......................................586
HO2S2 .......................................................

EC-8
Component Inspection ..........................................584
Removal and Installation ......................................586
HO2S2 .....................................................................587
Component Description ........................................587
CONSULT-II Reference Value in Data Monitor Mode
.587
ECM Terminals and Reference Value ...................587
Wiring Diagram .....................................................588
Diagnostic Procedure ...........................................589
Component Inspection ..........................................590
Removal and Installation ......................................591
IGNITION SIGNAL ..................................................592
Component Description ........................................592
ECM Terminals and Reference Value ...................592
Wiring Diagram .....................................................593
Diagnostic Procedure ...........................................595
Component Inspection ..........................................599
Removal and Installation ......................................600
EVAP CANISTER PURGE VOLUME CONTROL
SOLENOID VALVE .................................................601
Description ............................................................601
CONSULT-II Reference Value in Data Monitor Mode
.601
ECM Terminals and Reference Value ...................601
Wiring Diagram .....................................................603
Diagnostic Procedure ...........................................604
Component Inspection ..........................................607
Removal and Installation ......................................607
IVT CONTROL SOLENOID VALVE ........................608
Description ............................................................608
CONSULT-II Reference Value in Data Monitor Mode
.608
ECM Terminals and Reference Value ...................609
Wiring Diagram .....................................................610
Diagnostic Procedure ...........................................611
Component Inspection ..........................................613
Removal and Installation ......................................613
PNP SWITCH ..........................................................614
Component Description ........................................614
CONSULT-II Reference Value in Data Monitor Mode
.614
ECM Terminals and Reference Value ...................614
Wiring Diagram .....................................................615
Diagnostic Procedure ...........................................616
INJECTOR CIRCUIT ...............................................618
Component Description ........................................618
CONSULT-II Reference Value in Data Monitor Mode
.618
ECM Terminals and Reference Value ...................618
Wiring Diagram .....................................................619
Diagnostic Procedure ...........................................620
Component Inspection ..........................................622
Removal and Installation ......................................622
START SIGNAL ......................................................623
CONSULT-II Reference Value in Data Monitor Mode
.623
ECM Terminals and Reference Value ...................623Wiring Diagram ..................................................... 624
Diagnostic Procedure ............................................ 625
FUEL PUMP CIRCUIT ............................................. 627
Description ............................................................ 627
CONSULT-II Reference Value in Data Monitor Mode
. 627
ECM Terminals and Reference Value ................... 627
Wiring Diagram ..................................................... 629
Diagnostic Procedure ............................................ 630
Component Inspection .......................................... 632
Removal and Installation ....................................... 633
REFRIGERANT PRESSURE SENSOR .................. 634
Component Description ........................................ 634
ECM Terminals and Reference Value ................... 634
Wiring Diagram ..................................................... 635
Diagnostic Procedure ............................................ 636
Removal and Installation ....................................... 637
ELECTRICAL LOAD SIGNAL ................................ 638
CONSULT-II Reference Value in Data Monitor Mode
. 638
ECM Terminals and Reference Value ................... 638
Wiring Diagram ..................................................... 639
Diagnostic Procedure ............................................ 641
DATA LINK CONNECTOR ...................................... 646
Wiring Diagram ..................................................... 646
EVAPORATIVE EMISSION SYSTEM ..................... 647
Description ............................................................ 647
Component Inspection .......................................... 649
POSITIVE CRANKCASE VENTILATION ................ 650
Description ............................................................ 650
Component Inspection .......................................... 650
SERVICE DATA AND SPECIFICATIONS (SDS) .... 652
Fuel Pressure ........................................................ 652
Idle Speed and Ignition Timing .............................. 652
Calculated Load Value .......................................... 652
Mass Air Flow Sensor ........................................... 652
Intake Air Temperature Sensor ............................. 652
Engine Coolant Temperature Sensor .................... 652
Heated Oxygen Sensor 1 Heater .......................... 652
Heated Oxygen sensor 2 Heater .......................... 652
Crankshaft Position Sensor (POS) ....................... 652
Camshaft Position Sensor (PHASE) ..................... 652
Throttle Control Motor ........................................... 653
Injector .................................................................. 653
Fuel Pump ............................................................. 653
YD
INDEX FOR DTC ..................................................... 654
Alphabetical Index ................................................. 654
DTC No. Index ...................................................... 654
PRECAUTIONS ....................................................... 656
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................... 656
Precautions ........................................................... 656
Wiring Diagrams and Trouble Diagnosis ............... 658

Page 1123 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-9
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ECA ENGINE CONTROL SYSTEM ................................ 659
System Diagram ................................................... 659
System Chart ..........................

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ECA ENGINE CONTROL SYSTEM ................................ 659
System Diagram ................................................... 659
System Chart ....................................................... 660
Fuel Injection Control System .............................. 660
Fuel Injection Timing Control System ................... 662
Air Conditioning Cut Control ................................. 662
Fuel Cut Control (At No Load & High Engine Speed). 662
Crankcase Ventilation System ............................. 663
BASIC SERVICE PROCEDURE ............................ 664
Fuel Filter ............................................................. 664
Accelerator Pedal Released Position Learning .... 664
Fuel Pressure Relief Valve ................................... 665
ON BOARD DIAGNOSTIC (OBD) SYSTEM .......... 666
DTC and MI Detection Logic ................................ 666
Diagnostic Trouble Code (DTC) ........................... 666
NATS (Nissan Anti-theft System) ......................... 666
Malfunction Indicator (MI) ..................................... 667
TROUBLE DIAGNOSIS .......................................... 669
Trouble Diagnosis Introduction ............................. 669
Basic Inspection ................................................... 672
Symptom Matrix Chart ......................................... 676
Engine Control Component Parts Location .......... 680
Circuit Diagram .................................................... 683
ECM Harness Connector Terminal Layout ........... 685
ECM Terminals And Reference Value .................. 685
CONSULT-II Function .......................................... 691
CONSULT-II Reference Value in Data Monitor Mode
. 696
Major Sensor Reference Graph in Data Monitor
Mode .................................................................... 698
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT ...................................................................... 699
Description ........................................................... 699
Diagnostic Procedure ........................................... 699
POWER SUPPLY CIRCUIT FOR ECM .................. 700
ECM Terminals and Reference Value .................. 700
Wiring Diagram .................................................... 701
Diagnostic Procedure ........................................... 702
Component Inspection ......................................... 705
DTCP0100MASSAIRFLOWSENSOR(MAFS).. 706
Component Description ........................................ 706
CONSULT-II Reference Value in Data Monitor Mode
. 706
ECM Terminals and Reference Value .................. 706
On Board Diagnosis Logic ................................... 707
DTC Confirmation Procedure ............................... 707
Wiring Diagram .................................................... 708
Diagnostic Procedure ........................................... 709
Component Inspection ......................................... 710
Removal and Installation ...................................... 710
DTC P0115 ENGINE COOLANT TEMPERATURE
(ECT) SENSOR (CIRCUIT) ...................................... 711
Description ............................................................ 711
On Board Diagnosis Logic .................................... 711
DTC Confirmation Procedure ................................ 711
Wiring Diagram .................................................... 712
Diagnostic Procedure ........................................... 713Component Inspection ..........................................714
Removal and Installation ......................................714
DTC P0120 ACCELERATOR PEDAL POSITION
SENSOR .................................................................715
Description ............................................................715
CONSULT-II Reference Value in Data Monitor Mode
.715
ECM Terminals and Reference Value ...................715
On Board Diagnosis Logic ....................................716
DTC Confirmation Procedure ...............................716
Wiring Diagram .....................................................717
Diagnostic Procedure ...........................................718
Component Inspection ..........................................721
Removal and Installation ......................................722
DTC P0190 COMMON RAIL FUEL PRESSURE
SENSOR .................................................................723
Description ............................................................723
CONSULT-II Reference Value in Data Monitor Mode
.723
ECM Terminals and Reference Value ...................723
On Board Diagnosis Logic ....................................723
DTC Confirmation Procedure ...............................723
Wiring Diagram .....................................................724
Diagnostic Procedure ...........................................725
Component Inspection ..........................................726
Removal and Installation ......................................726
DTC P0201 - P0204 FUEL INJECTOR ...................727
Description ............................................................727
CONSULT-II Reference Value in Data Monitor Mode
.727
ECM Terminals and Reference Value ...................727
On Board Diagnosis Logic ....................................728
DTC Confirmation Procedure ...............................729
Wiring Diagram .....................................................730
Diagnostic Procedure ...........................................732
Component Inspection ..........................................733
Removal and Installation ......................................733
DTC P0335 CRANKSHAFT POSISTION SENSOR
(TDC) .......................................................................734
Description ............................................................734
CONSULT-II Reference Value in Data Monitor Mode
.734
ECM Terminals and Reference Value ...................734
On Board Diagnosis Logic ....................................735
DTC Confirmation Procedure ...............................735
Wiring Diagram .....................................................736
Diagnostic Procedure ...........................................737
Component Inspection ..........................................737
Removal and Installation ......................................738
DTC P0340 CAMSHAFT POSITION SENSOR ......739
Description ............................................................739
ECM Terminals and Reference Value ...................739
On Board Diagnosis Logic ....................................739
DTC Confirmation Procedure ...............................739
Wiring Diagram .....................................................741
Diagnostic Procedure ...........................................742
Component Inspection ..........................................742
Removal and Installation ......................................743

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-10
DTC P0500 VEHICLESPEED SENSOR (VSS) .....744
Description ............................................................744
ECM Terminals and Reference Value ...................744
On Board Diagnos

EC-10
DTC P0500 VEHICLESPEED SENSOR (VSS) .....744
Description ............................................................744
ECM Terminals and Reference Value ...................744
On Board Diagnosis Logic ....................................744
Overall Function Check ........................................744
Wiring Diagram .....................................................745
Diagnostic Procedure ...........................................747
DTC P1107 ABSOLUTE PRESSURE SENSOR ....749
Description ............................................................749
On Board Diagnosis Logic ....................................749
DTC Confirmation Procedure ...............................749
Diagnostic Procedure ...........................................749
DTC P1180 FUEL TEMPERATURE SENSOR .......751
Description ............................................................751
CONSULT-II Reference Value in Data Monitor Mode
.751
ECM Terminals and Reference Value ...................751
On Board Diagnosis Logic ....................................751
DTC Confirmation Procedure ...............................751
Wiring Diagram .....................................................752
Diagnostic Procedure ...........................................753
Removal and Installation ......................................753
DTC P1216 EDU .....................................................754
Description ............................................................754
ECM Terminals and Reference Value ...................754
On Board Diagnosis Logic ....................................755
DTC Confirmation Procedure ...............................755
Wiring Diagram .....................................................756
Diagnostic Procedure ...........................................758
Removal and Installation ......................................760
DTC P1217 OVERHEAT (COOLING SYSTEM) .....761
Description ............................................................761
CONSULT-II Reference Value in Data Monitor Mode
.761
ECM Terminals and Reference Value ...................761
On Board Diagnosis Logic ....................................761
Overall Function Check ........................................762
Wiring Diagram .....................................................763
Diagnostic Procedure ...........................................764
Main 12 Causes of Overheating ...........................770
Component Inspection ..........................................771
DTC P1233 - P1234 SUCTION CONTROL VALVE. 772
Description ............................................................772
CONSULT-II Reference Value in Data Monitor Mode
.772
ECM Terminals and Reference Value ...................772
On Board Diagnosis Logic ....................................773
DTC Confirmation Procedure ...............................773
Wiring Diagram .....................................................774
Diagnostic Procedure ...........................................775
Component Inspection ..........................................776
Removal and Installation ......................................776
DTC P1301 - P1304 FUEL INJECTOR ADJUST-
MENT RESISTOR ...................................................777
Description ............................................................777
ECM Terminals and Reference Value ...................777
On Board Diagnosis Logic ....................................777
DTC Confirmation Procedure ...............................777Wiring Diagram ..................................................... 778
Diagnostic Procedure ............................................ 779
Component Inspection .......................................... 780
Removal and Installation ....................................... 780
DTC P1305 FUEL LEAK ......................................... 781
On Board Diagnosis Logic .................................... 781
DTC Confirmation Procedure ................................ 781
Diagnostic Procedure ............................................ 781
Removal and Installation ....................................... 781
DTC P1510 ACCELERATOR PEDAL RELEASED
POSITION SWITCH ................................................. 783
Description ............................................................ 783
CONSULT-II Reference Value in Data Monitor Mode
. 783
ECM Terminals and Reference Value ................... 783
On Board Diagnosis Logic .................................... 784
DTC Confirmation Procedure ................................ 784
Wiring Diagram ..................................................... 785
Diagnostic Procedure ............................................ 786
Component Inspection .......................................... 787
Removal and Installation ....................................... 787
DTC P1606 ECM ..................................................... 788
Description ............................................................ 788
On Board Diagnosis Logic .................................... 788
DTC Confirmation Procedure ................................ 788
Diagnostic Procedure ............................................ 788
DTC P1621 ECM RELAY ........................................ 790
ECM Terminals and Reference valve .................... 790
On Board Diagnosis Logic .................................... 790
DTC Confirmation Procedure ................................ 790
Wiring Diagram ..................................................... 791
Diagnostic Procedure ............................................ 792
Component Inspection .......................................... 793
DTC P1660 BATTERY VOLTAGE ........................... 794
On Board Diagnosis Logic .................................... 794
DTC Confirmation Procedure ................................ 794
Diagnostic Procedure ............................................ 794
GLOW CONTROL SYSTEM ................................... 796
Description ............................................................ 796
ECM Terminals and Reference Value ................... 796
Wiring Diagram ..................................................... 797
Diagnostic Procedure ............................................ 798
Component Inspection .......................................... 802
Removal and Installation ....................................... 802
EGR VOLUME CONTROL SYSTEM ...................... 803
Description ............................................................ 803
CONSULT-II Reference Value in Data Monitor Mode
. 803
ECM Terminals and Reference Value ................... 804
Wiring Diagram ..................................................... 805
Diagnostic Procedure ............................................ 806
Component Inspection .......................................... 808
Removal and Installation ....................................... 809
BRAKE SWITCH ..................................................... 810
Description ............................................................ 810
ECM Terminals and Reference Value ................... 810
Wiring Diagram .....................................................811

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NISSAN X-TRAIL 2003 Electronic Repair Manual EC-11
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ECA Diagnostic Procedure ........................................... 812
Component Inspection ......................................... 813
PARK/NEUTRAL POSITION (PNP) SWIT

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ECA Diagnostic Procedure ........................................... 812
Component Inspection ......................................... 813
PARK/NEUTRAL POSITION (PNP) SWITCH ........ 814
Description ........................................................... 814
CONSULT-II Reference Value in Data Monitor Mode
. 814
ECM Terminals and Reference Value .................. 814
Wiring Diagram .................................................... 815
Diagnostic Procedure ........................................... 816
START SIGNAL ...................................................... 818
Wiring Diagram .................................................... 818
Diagnostic Procedure ........................................... 819
POWER STEERING OIL PRESSURE SWITCH .... 820
Component Description ........................................ 820
CONSULT-II Reference Value in Data Monitor Mode
. 820
ECM Terminals and Reference Value .................. 820Wiring Diagram .....................................................821
Diagnostic Procedure ...........................................822
Component Inspection ..........................................823
Removal and Installation ......................................823
AIR CONDITIONER CONTROL .............................824
Wiring Diagram .....................................................824
MI & DATA LINK CONNECTORS ...........................825
Wiring Diagram .....................................................825
SERVICE DATA AND SPECIFICATIONS (SDS) ....826
General Specifications ..........................................826
Mass Air Flow Sensor ...........................................826
Engine Coolant Temperature Sensor ...................826
Common Rail Fuel Pressure Sensor ....................826
Crankshaft Position Sensor (TDC) .......................826
Camshaft Position Sensor ....................................826
Glow Plug .............................................................826
EGR Volume Control Valve ..................................826

Page 1126 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-12
[QR (WITH EURO-OBD)]
INDEX FOR DTC
[QR (WITH EURO-OBD)]INDEX FOR DTCPFP:00024
Alphabetical IndexEBS00B0G
Check if the vehicle is a model with Euro-OBD (E-OBD) system or not by the "Type approval

Page 1127 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual INDEX FOR DTC
EC-13
[QR (WITH EURO-OBD)]
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MA
EC
*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 1128 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-14
[QR (WITH EURO-OBD)]
INDEX FOR DTC
DTC No. Index
EBS00B0H
Check if the vehicle is a model with Euro-OBD (E-OBD) system or not by the "Type approval number" on the
identification plate. Refer toG

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