sensor NISSAN X-TRAIL 2003 Electronic Repair Manual
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Page 1112 of 3066
![NISSAN X-TRAIL 2003 Electronic Repair Manual DI-58
WARNING CHIME
2.CHECK KEY SWITCH (INSERT)
Check continuity between key switch connector M9 terminals 1 and
2.
OK or NG
OK >> Check the following.
l10A fuse [No. 28, located in fuse block (J/B)]](/img/5/57402/w960_57402-1111.png "NISSAN X-TRAIL 2003 Electronic Repair Manual DI-58
WARNING CHIME
2.CHECK KEY SWITCH (INSERT)
Check continuity between key switch connector M9 terminals 1 and
2.
OK or NG
OK >> Check the following.
l10A fuse [No. 28, located in fuse block (J/B)]")
DI-58
WARNING CHIME
2.CHECK KEY SWITCH (INSERT)
Check continuity between key switch connector M9 terminals 1 and
2.
OK or NG
OK >> Check the following.
l10A fuse [No. 28, located in fuse block (J/B)]
lHarness for open or short between key switch and
fuse.
lHarness for open or short between time control unit and key switch.
NG >> Replace key switch.
Door Unlock Sensor CheckEKS002YG
1.CHECK DOOR UNLOCK SENSOR INPUT SIGNAL
Check voltage between time control unit harness connector M31 ter-
minal 28 (Y/G) and ground.
OK or NG
OK >> Door unlock sensor is OK.
NG >> GO TO 2.
2.CHECK DOOR UNLOCK SENSOR
1. Disconnect door unlock sensor connector.
2. Check continuity between door unlock sensor harness connec-
tor D9 terminals 2 and 5.
OK or NG
OK >> Check the following.
lDoor unlock sensor ground circuit.
lHarness for open or short between time control unit
and door unlock sensor.
NG >> Replace door unlock sensor.Condition of key switch Continuity
key switch inserted: Yes
key switch removed: No
SKIA0998E
Te r m i n a l s
Condition
(Driver's door)Voltage [V]
(+) (–)
28 GroundLocked Approx. 5
Unlocked 0
SKIA0999E
Condition of unlock sensor Continuity
Locked : No
Unlocked : Yes
SKIA1000E
Page 1115 of 3066
EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION
A
EC
ENGINE CONTROL SYSTEM
QR (WITH EURO-OBD)
INDEX FOR DTC ...................................................... 12
Alphabetical Index .................................................. 12
DTC No. Index ....................................................... 14
PRECAUTIONS ........................................................ 16
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 16
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 16
Precaution .............................................................. 16
Wiring Diagrams and Trouble Diagnosis ................ 19
PREPARATION ......................................................... 20
Special Service Tools ............................................. 20
Commercial Service Tools ...................................... 20
ENGINE CONTROL SYSTEM .................................. 22
System Diagram ..................................................... 22
Vacuum Hose Drawing ........................................... 23
System Chart ......................................................... 24
Multiport Fuel Injection (MFI) System .................... 24
Electronic Ignition (EI) System ............................... 27
Air Conditioning Cut Control ................................... 27
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 28
CAN communication .............................................. 28
BASIC SERVICE PROCEDURE .............................. 30
Idle Speed and Ignition Timing Check .................... 30
Throttle Valve Closed Position Learning ................ 31
Accelerator Pedal Released Position Learning ...... 31
Idle Air Volume Learning ........................................ 31
Fuel Pressure Check .............................................. 34
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 36
Introduction ............................................................ 36
Two Trip Detection Logic ........................................ 36
Emission-related Diagnostic Information ................ 37
NATS (Nissan Anti-theft System) ........................... 48
Malfunction Indicator (MI) ....................................... 48
OBD System Operation Chart ................................ 51
TROUBLE DIAGNOSIS ............................................ 57
Trouble Diagnosis Introduction ............................... 57DTC Inspection Priority Chart ................................. 61
Fail-safe Chart ........................................................ 62
Basic Inspection ..................................................... 64
Symptom Matrix Chart ............................................ 69
Engine Control Component Parts Location ............ 73
Circuit Diagram ....................................................... 77
ECM Harness Connector Terminal Layout ............. 79
ECM Terminals and Reference Value ..................... 79
CONSULT-II Function ............................................. 86
Generic Scan Tool (GST) Function ......................... 96
CONSULT-II Reference Value in Data Monitor ....... 97
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................100
TROUBLE DIAGNOSIS - SPECIFICATION VALUE. 103
Description ............................................................103
Testing Condition ..................................................103
Inspection Procedure ............................................103
Diagnostic Procedure ...........................................104
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................107
Description ............................................................107
Diagnostic Procedure ...........................................107
POWER SUPPLY CIRCUIT FOR ECM ...................108
Wiring Diagram .....................................................108
ECM Terminals and Reference Value ...................109
Diagnostic Procedure ...........................................109
Component Inspection ..........................................113
DTC U1000 CAN COMMUNICATION LINE ............114
Description ............................................................114
On Board Diagnosis Logic ....................................114
DTC Confirmation Procedure ...............................114
Wiring Diagram .....................................................115
Diagnostic Procedure ...........................................116
DTC P0011 IVT CONTROL .....................................117
Description ............................................................117
CONSULT-II Reference Value in Data Monitor Mode
.117
ECM Terminals and Reference Value ...................117
On Board Diagnosis Logic ....................................118
Page 1116 of 3066
EC-2
DTC Confirmation Procedure ...............................118
Diagnostic Procedure ...........................................119
DTC P0031, P0032 HO2S1 HEATER .....................120
Description ............................................................120
CONSULT-II Reference Value in Data Monitor Mode
.120
ECM Terminals and Reference Value ...................120
On Board Diagnosis Logic ....................................121
DTC Confirmation Procedure ...............................121
Wiring Diagram .....................................................122
Diagnostic Procedure ...........................................123
Component Inspection ..........................................124
Removal and Installation ......................................124
DTC P0037, P0038 HO2S2 HEATER .....................125
Description ............................................................125
CONSULT-II Reference Value in Data Monitor Mode
.125
ECM Terminals and Reference Value ...................125
On Board Diagnosis Logic ....................................125
DTC Confirmation Procedure ...............................126
Wiring Diagram .....................................................127
Diagnostic Procedure ...........................................128
Component Inspection ..........................................129
Removal and Installation ......................................129
DTC P0102, P0103 MAF SENSOR .........................130
Component Description ........................................130
CONSULT-II Reference Value in Data Monitor Mode
.130
ECM Terminals and Reference Value ...................130
On Board Diagnosis Logic ....................................131
DTC Confirmation Procedure ...............................131
Wiring Diagram .....................................................132
Diagnostic Procedure ...........................................133
Component Inspection ..........................................135
Removal and Installation ......................................135
DTC P0112, P0113 IAT SENSOR ...........................136
Component Description ........................................136
On Board Diagnosis Logic ....................................136
DTC Confirmation Procedure ...............................136
Wiring Diagram .....................................................138
Diagnostic Procedure ...........................................139
Component Inspection ..........................................140
Removal and Installation ......................................140
DTC P0117, P0118 ECT SENSOR ..........................141
Component Description ........................................141
On Board Diagnosis Logic ....................................141
DTC Confirmation Procedure ...............................142
Wiring Diagram .....................................................143
Diagnostic Procedure ...........................................144
Component Inspection ..........................................145
Removal and Installation ......................................145
DTC P0120 TP SENSOR ........................................146
Component Description ........................................146
CONSULT-II Reference Value in Data Monitor Mode
.146
ECM Terminals and Reference Value ...................146
On Board Diagnosis Logic ....................................147
DTC Confirmation Procedure ...............................147Wiring Diagram ..................................................... 149
Diagnostic Procedure ............................................ 150
Component Inspection .......................................... 152
Remove and Installation ....................................... 153
DTC P0121 APP SENSOR ...................................... 154
Component Description ........................................ 154
CONSULT-II Reference Value in Data Monitor Mode
. 154
ECM Terminals and Reference Value ................... 154
On Board Diagnosis Logic .................................... 155
DTC Confirmation Procedure ................................ 155
Wiring Diagram ..................................................... 156
Diagnostic Procedure ............................................ 157
Component Inspection .......................................... 159
Remove and Installation ....................................... 159
DTC P0132 HO2S1 ................................................. 160
Component Description ........................................ 160
CONSULT-II Reference Value in Data Monitor Mode
. 160
ECM Terminals and Reference Value ................... 160
On Board Diagnosis Logic .................................... 161
DTC Confirmation Procedure ................................ 161
Wiring Diagram ..................................................... 162
Diagnostic Procedure ............................................ 163
Component Inspection .......................................... 164
Removal and Installation ....................................... 165
DTC P0133 HO2S1 ................................................. 166
Component Description ........................................ 166
CONSULT-II Reference Value in Data Monitor Mode
. 166
ECM Terminals and Reference Value ................... 166
On Board Diagnosis Logic .................................... 167
DTC Confirmation Procedure ................................ 167
Overall Function Check ......................................... 168
Wiring Diagram ..................................................... 169
Diagnostic Procedure ............................................ 170
Component Inspection .......................................... 172
Removal and Installation ....................................... 173
DTC P0134 HO2S1 ................................................. 174
Component Description ........................................ 174
CONSULT-II Reference Value in Data Monitor Mode
. 174
ECM Terminals and Reference Value ................... 174
On Board Diagnosis Logic .................................... 175
DTC Confirmation Procedure ................................ 175
Overall Function Check ......................................... 176
Wiring Diagram ..................................................... 177
Diagnostic Procedure ............................................ 178
Component Inspection .......................................... 179
Removal and Installation ....................................... 180
DTC P0138 HO2S2 ................................................. 181
Component Description ........................................ 181
CONSULT-II Reference Value in Data Monitor Mode
. 181
ECM Terminals and Reference Value ................... 181
On Board Diagnosis Logic .................................... 181
DTC Confirmation Procedure ................................ 182
Overall Function Check ......................................... 182
Page 1117 of 3066
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ECA Wiring Diagram .................................................... 183
Diagnostic Procedure ........................................... 184
Component Inspection ......................................... 185
Removal and Installation ...................................... 186
DTC P0139 HO2S2 ................................................. 187
Component Description ........................................ 187
CONSULT-II Reference Value in Data Monitor Mode
. 187
ECM Terminals and Reference Value .................. 187
On Board Diagnosis Logic ................................... 187
DTC Confirmation Procedure ............................... 188
Overall Function Check ........................................ 189
Wiring Diagram .................................................... 190
Diagnostic Procedure ........................................... 191
Component Inspection ......................................... 192
Removal and Installation ...................................... 193
DTC P0171 FUEL INJECTION SYSTEM FUNCTION. 194
On Board Diagnosis Logic ................................... 194
DTC Confirmation Procedure ............................... 194
Wiring Diagram .................................................... 196
Diagnostic Procedure ........................................... 197
DTC P0172 FUEL INJECTION SYSTEM FUNCTION. 200
On Board Diagnosis Logic ................................... 200
DTC Confirmation Procedure ............................... 200
Wiring Diagram .................................................... 202
Diagnostic Procedure ........................................... 203
DTC P0300 - P0304 MULTIPLE CYLINDER MIS-
FIRE, NO. 1 - 4 CYLINDER MISFIRE ..................... 206
On Board Diagnosis Logic ................................... 206
DTC Confirmation Procedure ............................... 206
Diagnostic Procedure ........................................... 207
DTC P0327, P0328 KS ........................................... 212
Component Description ........................................ 212
ECM Terminals and Reference Value .................. 212
On Board Diagnosis Logic ................................... 212
DTC Confirmation Procedure ............................... 212
Wiring Diagram .................................................... 214
Diagnostic Procedure ........................................... 215
Component Inspection ......................................... 216
Removal and Installation ...................................... 216
DTC P0335 CKP SENSOR (POS) .......................... 217
Component Description ........................................ 217
CONSULT-II Reference Value in Data Monitor Mode
. 217
ECM Terminals and Reference Value .................. 217
On Board Diagnosis Logic ................................... 218
DTC Confirmation Procedure ............................... 218
Wiring Diagram .................................................... 219
Diagnostic Procedure ........................................... 220
Component Inspection ......................................... 221
Removal and Installation ...................................... 222
DTC P0340 CMP SENSOR (PHASE) ..................... 223
Component Description ........................................ 223
ECM Terminals and Reference Value .................. 223
On Board Diagnosis Logic ................................... 223
DTC Confirmation Procedure ............................... 224
Wiring Diagram .................................................... 225
Diagnostic Procedure ........................................... 226Component Inspection ..........................................228
Removal and Installation ......................................228
DTC P0420 THREE WAY CATALYST FUNCTION . 229
On Board Diagnosis Logic ....................................229
DTC Confirmation Procedure ...............................229
Overall Function Check ........................................230
Diagnostic Procedure ...........................................231
DTC P0444, P0445 EVAP CANISTER PURGE VOL-
UME CONTROL SOLENOID VALVE ......................233
Description ............................................................233
CONSULT-II Reference Value in Data Monitor Mode
.233
ECM Terminals and Reference Value ...................233
On Board Diagnosis Logic ....................................234
DTC Confirmation Procedure ...............................234
Wiring Diagram .....................................................235
Diagnostic Procedure ...........................................236
Component Inspection ..........................................237
Removal and Installation ......................................238
DTC P0500 VSS ......................................................239
Component Description ........................................239
ECM Terminals and Reference Value ...................239
On Board Diagnosis Logic ....................................239
DTC Confirmation Procedure ...............................239
Overall Function Check ........................................240
Wiring Diagram .....................................................241
Diagnostic Procedure ...........................................243
DTC P0550 PSP SENSOR .....................................244
Component Description ........................................244
CONSULT-II Reference Value in Data Monitor Mode
.244
ECM Terminals and Reference Value ...................244
On Board Diagnosis Logic ....................................244
DTC Confirmation Procedure ...............................244
Wiring Diagram .....................................................246
Diagnostic Procedure ...........................................247
Component Inspection ..........................................248
DTC P0605 ECM .....................................................249
Component Description ........................................249
On Board Diagnosis Logic ....................................249
DTC Confirmation Procedure ...............................249
Diagnostic Procedure ...........................................251
DTC P0650 MI .........................................................252
Component Description ........................................252
On Board Diagnosis Logic ....................................252
DTC Confirmation Procedure ...............................252
Wiring Diagram .....................................................253
Diagnostic Procedure ...........................................254
DTC P1065 ECM POWER SUPPLY .......................256
Component Description ........................................256
On Board Diagnosis Logic ....................................256
DTC Confirmation Procedure ...............................256
Wiring Diagram .....................................................257
Diagnostic Procedure ...........................................258
DTC P1102 MAF SENSOR .....................................260
Component Description ........................................260
CONSULT-II Reference Value in Data Monitor Mode
.260
Page 1119 of 3066
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ECA DTC P1805 BRAKE SWITCH ................................ 329
Description ........................................................... 329
CONSULT-II Reference Value in Data Monitor Mode
. 329
ECM Terminals and Reference Value .................. 329
On Board Diagnosis Logic ................................... 329
DTC Confirmation Procedure ............................... 329
Wiring Diagram .................................................... 330
Diagnostic Procedure ........................................... 331
Component Inspection ......................................... 332
IGNITION SIGNAL .................................................. 334
Component Description ........................................ 334
ECM Terminals and Reference Value .................. 334
Wiring Diagram .................................................... 335
Diagnostic Procedure ........................................... 337
Component Inspection ......................................... 341
Removal and Installation ...................................... 342
INJECTOR CIRCUIT ............................................... 343
Component Description ........................................ 343
CONSULT-II Reference Value in Data Monitor Mode
. 343
ECM Terminals and Reference Value .................. 343
Wiring Diagram .................................................... 344
Diagnostic Procedure ........................................... 345
Component Inspection ......................................... 347
Removal and Installation ...................................... 347
START SIGNAL ...................................................... 348
CONSULT-II Reference Value in Data Monitor Mode
. 348
ECM Terminals and Reference Value .................. 348
Wiring Diagram .................................................... 349
Diagnostic Procedure ........................................... 350
FUEL PUMP CIRCUIT ............................................ 352
Description ........................................................... 352
CONSULT-II Reference Value in Data Monitor Mode
. 352
ECM Terminals and Reference Value .................. 352
Wiring Diagram .................................................... 354
Diagnostic Procedure ........................................... 355
Component Inspection ......................................... 357
Removal and Installation ...................................... 358
REFRIGERANT PRESSURE SENSOR ................. 359
Component Description ........................................ 359
ECM Terminals and Reference Value .................. 359
Wiring Diagram .................................................... 360
Diagnostic Procedure ........................................... 361
Removal and Installation ...................................... 362
ELECTRICAL LOAD SIGNAL ................................ 363
CONSULT-II Reference Value in Data Monitor Mode
. 363
ECM Terminals and Reference Value .................. 363
Wiring Diagram .................................................... 364
Diagnostic Procedure ........................................... 366
DATA LINK CONNECTOR ..................................... 371
Wiring Diagram .................................................... 371
EVAPORATIVE EMISSION SYSTEM ..................... 372
Description ........................................................... 372
Component Inspection ......................................... 374POSITIVE CRANKCASE VENTILATION ...............375
Description ............................................................375
Component Inspection ..........................................375
SERVICE DATA AND SPECIFICATIONS (SDS) ....377
Fuel Pressure .......................................................377
Idle Speed and Ignition Timing .............................377
Calculated Load Value ..........................................377
Mass Air Flow Sensor ...........................................377
Intake Air Temperature Sensor .............................377
Engine Coolant Temperature Sensor ...................377
Heated Oxygen Sensor 1 Heater .........................377
Heated Oxygen sensor 2 Heater ..........................377
Crankshaft Position Sensor (POS) .......................377
Camshaft Position Sensor (PHASE) ....................377
Throttle Control Motor ...........................................378
Injector ..................................................................378
Fuel Pump ............................................................378
QR (WITHOUT EURO-OBD)
INDEX FOR DTC .....................................................379
Alphabetical Index ................................................379
DTC No. Index ......................................................380
PRECAUTIONS ......................................................381
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ...............................................................381
On Board Diagnostic (OBD) System of Engine and
A/T ........................................................................381
Precaution ............................................................381
Wiring Diagrams and Trouble Diagnosis ..............384
PREPARATION .......................................................385
Special Service Tools ...........................................385
Commercial Service Tools ....................................385
ENGINE CONTROL SYSTEM ................................387
System Diagram ...................................................387
Vacuum Hose Drawing .........................................388
System Chart ........................................................389
Multiport Fuel Injection (MFI) System ...................389
Electronic Ignition (EI) System .............................392
Air Conditioning Cut Control .................................392
Fuel Cut Control (at No Load and High Engine
Speed) ..................................................................393
CAN communication .............................................393
BASIC SERVICE PROCEDURE .............................395
Idle Speed and Ignition Timing Check ..................395
Throttle Valve Closed Position Learning ...............396
Accelerator Pedal Released Position Learning ....396
Idle Air Volume Learning ......................................396
Fuel Pressure Check ............................................399
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..........401
Introduction ...........................................................401
Two Trip Detection Logic ......................................401
Emission-related Diagnostic Information ..............401
NATS (Nissan Anti-theft System) .........................403
Malfunction Indicator (MI) .....................................404
TROUBLE DIAGNOSIS ..........................................407
Trouble Diagnosis Introduction .............................407
Page 1120 of 3066
EC-6
DTC Inspection Priority Chart ...............................410
Fail-safe Chart ......................................................411
Basic Inspection ...................................................412
Symptom Matrix Chart ..........................................417
Engine Control Component Parts Location ..........421
Circuit Diagram .....................................................425
ECM Harness Connector Terminal Layout ...........427
ECM Terminals and Reference Value ...................427
CONSULT-II Function ...........................................434
CONSULT-II Reference Value in Data Monitor .....443
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................446
TROUBLE DIAGNOSIS - SPECIFICATION VALUE. 449
Description ............................................................449
Testing Condition ..................................................449
Inspection Procedure ............................................449
Diagnostic Procedure ...........................................450
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................453
Description ............................................................453
Diagnostic Procedure ...........................................453
POWER SUPPLY CIRCUIT FOR ECM ...................454
Wiring Diagram .....................................................454
ECM Terminals and Reference Value ...................455
Diagnostic Procedure ...........................................455
Component Inspection ..........................................459
DTC U1000 CAN COMMUNICATION LINE ............460
Description ............................................................460
On Board Diagnosis Logic ....................................460
DTC Confirmation Procedure ...............................460
Wiring Diagram .....................................................461
Diagnostic Procedure ...........................................462
DTC P0102, P0103 MAF SENSOR .........................463
Component Description ........................................463
CONSULT-II Reference Value in Data Monitor Mode
.463
ECM Terminals and Reference Value ...................463
On Board Diagnosis Logic ....................................464
DTC Confirmation Procedure ...............................464
Wiring Diagram .....................................................466
Diagnostic Procedure ...........................................467
Component Inspection ..........................................469
Removal and Installation ......................................469
DTC P0117, P0118 ECT SENSOR ..........................470
Component Description ........................................470
On Board Diagnosis Logic ....................................470
DTC Confirmation Procedure ...............................471
Wiring Diagram .....................................................472
Diagnostic Procedure ...........................................473
Component Inspection ..........................................474
Removal and Installation ......................................474
DTC P0120 TP SENSOR ........................................475
Component Description ........................................475
CONSULT-II Reference Value in Data Monitor Mode
.475
ECM Terminals and Reference Value ...................475
On Board Diagnosis Logic ....................................476
DTC Confirmation Procedure ...............................476Wiring Diagram ..................................................... 479
Diagnostic Procedure ............................................ 480
Component Inspection .......................................... 482
Remove and Installation ....................................... 483
DTC P0121 APP SENSOR ...................................... 484
Component Description ........................................ 484
CONSULT-II Reference Value in Data Monitor Mode
. 484
ECM Terminals and Reference Value ................... 484
On Board Diagnosis Logic .................................... 485
DTC Confirmation Procedure ................................ 485
Wiring Diagram ..................................................... 486
Diagnostic Procedure ............................................ 487
Component Inspection .......................................... 489
Remove and Installation ....................................... 489
DTC P0134 HO2S1 ................................................. 490
Component Description ........................................ 490
CONSULT-II Reference Value in Data Monitor Mode
. 490
ECM Terminals and Reference Value ................... 490
On Board Diagnosis Logic .................................... 491
Overall Function Check ......................................... 491
Wiring Diagram ..................................................... 492
Diagnostic Procedure ............................................ 493
Component Inspection .......................................... 494
Removal and Installation ....................................... 495
DTC P0327, P0328 KS ............................................ 496
Component Description ........................................ 496
ECM Terminals and Reference Value ................... 496
On Board Diagnosis Logic .................................... 496
DTC Confirmation Procedure ................................ 496
Wiring Diagram ..................................................... 498
Diagnostic Procedure ............................................ 499
Component Inspection .......................................... 500
Removal and Installation ....................................... 500
DTC P0335 CKP SENSOR (POS) .......................... 501
Component Description ........................................ 501
CONSULT-II Reference Value in Data Monitor Mode
. 501
ECM Terminals and Reference Value ................... 501
On Board Diagnosis Logic .................................... 502
DTC Confirmation Procedure ................................ 502
Wiring Diagram ..................................................... 503
Diagnostic Procedure ............................................ 504
Component Inspection .......................................... 505
Removal and Installation ....................................... 506
DTC P0340 CMP SENSOR (PHASE) ..................... 507
Component Description ........................................ 507
ECM Terminals and Reference Value ................... 507
On Board Diagnosis Logic .................................... 507
DTC Confirmation Procedure ................................ 508
Wiring Diagram ..................................................... 509
Diagnostic Procedure ............................................ 510
Component Inspection .......................................... 512
Removal and Installation ....................................... 512
DTC P0500 VSS ...................................................... 513
Component Description ........................................ 513
ECM Terminals and Reference Value ................... 513
Page 1121 of 3066
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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
Page 1122 of 3066
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
EC-9
C
D
E
F
G
H
I
J
K
L
M
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
Page 1124 of 3066
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