Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Sentra 2006-2009 Approved Nissan Sentra 2008 EC
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ENGINE
A
ENGINE CONTROL SYSTEM
SECTION EC EC
C
D
E
CONTENTS
MR AUTOMATIC SPEED CONTROL DEVICE F
(ASCD) .............................................................. 33
SERVICE INFORMATION .......................... 15
. System Description .................................................33
.
Component Description ..........................................34
. G
INDEX FOR DTC ...............................................15
.
U1000-U1010 ......................................................... 15
. CAN COMMUNICATION ................................... 35
P0011-P0075 ......................................................... 15
. System Description .................................................35
.
P0101-P0128 ......................................................... 15
. H
P0130-P0223 ......................................................... 16
. EVAPORATIVE EMISSION SYSTEM ............... 36
P0300-P0420 ......................................................... 16
. Description ..............................................................36
.
P0441-P0463 ......................................................... 17
. Component Inspection ............................................38 . I
P0500-P0643 ......................................................... 17
. Removal and Installation ........................................39 .
P0705-P0845 ......................................................... 18
. How to Detect Fuel Vapor Leakage ........................40 .
P0850-P1574 ......................................................... 18
. J
P1610-P1615 ......................................................... 19
. ON BOARD REFUELING VAPOR RECOV-
P1715-P1805 ......................................................... 19
. ERY (ORVR) ...................................................... 42
P2100-P2A00 ......................................................... 19
. System Description .................................................42
.
Diagnosis Procedure ..............................................42
. K
PRECAUTIONS .................................................21
. Component Inspection ............................................44
.
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- POSITIVE CRANKCASE VENTILATION ......... 47
L
SIONER" ................................................................ 21
. Description ..............................................................47
.
Precaution for Procedure without Cowl Top Cover 21 .... Component Inspection ............................................47 .
On Board Diagnosis (OBD) System of Engine and
NVIS (NISSAN VEHICLE IMMOBILIZER SYS- M
CVT ........................................................................ 21
.
Precaution .............................................................. 22
.
TEM-NATS) ....................................................... 49
Description ..............................................................49
.
PREPARATION .................................................25
. N
Special Service Tool .............................................. 25
.
ON BOARD DIAGNOSTIC (OBD) SYSTEM .... 50
Introduction .............................................................50
.
Commercial Service Tool ....................................... 25
.
Two Trip Detection Logic ........................................50 .
ENGINE CONTROL SYSTEM ...........................27
. Emission-related Diagnostic Information ................51 . O
Schematic .............................................................. 27
. Malfunction Indicator Lamp (MIL) ...........................66 .
Multiport Fuel Injection (MFI) System .................... 27 . OBD System Operation Chart ................................69 .
Electronic Ignition (EI) System ............................... 30 . P
Fuel Cut Control (at No Load and High Engine
BASIC SERVICE PROCEDURE ....................... 75
Speed) .................................................................... 30
. Basic Inspection .....................................................75
.
Idle Speed and Ignition Timing Check ....................79 .
AIR CONDITIONING CUT CONTROL ..............32
. Procedure After Replacing ECM ............................80 .
Input/Output Signal Chart ....................................... 32
. VIN Registration .....................................................81
.
System Description ................................................ 32
. Accelerator Pedal Released Position Learning ......81 .
Throttle Valve Closed Position Learning ................81 .
Revision: July 2007 EC-1 2008 Sentra
Idle Air Volume Learning ....................................... 81
. CONSULT-III Reference Value in Data Monitor
Fuel Pressure Check ............................................. 83
. Mode .................................................................... 149
.
On Board Diagnosis Logic ................................... 149 .
TROUBLE DIAGNOSIS .................................... 86
. DTC Confirmation Procedure ............................... 149 .
Trouble Diagnosis Introduction .............................. 86 . Wiring Diagram .................................................... 150 .
DTC Inspection Priority Chart ................................ 90 . Diagnosis Procedure ............................................ 151 .
Fail-Safe Chart ...................................................... 91
. Component Inspection ......................................... 152 .
Symptom Matrix Chart ........................................... 92. Removal and Installation ...................................... 153 .
Engine Control Component Parts Location ........... 97 .
Vacuum Hose Drawing .........................................103 . DTC P0037, P0038 HO2S2 HEATER ............. 154
.
Circuit Diagram .....................................................104
. Description ........................................................... 154
.
ECM Harness Connector Terminal Layout ...........106 . CONSULT-III Reference Value in Data Monitor
ECM Terminal and Reference Value ....................106 . Mode .................................................................... 154
.
CONSULT-III Function (ENGINE) ........................113 . On Board Diagnosis Logic ................................... 154 .
Generic Scan Tool (GST) Function ......................121 . DTC Confirmation Procedure ............................... 154 .
CONSULT-III Reference Value in Data Monitor ...123 . Wiring Diagram .................................................... 156 .
Diagnosis Procedure ............................................ 157 .
TROUBLE DIAGNOSIS - SPECIFICATION Component Inspection ......................................... 158 .
VALUE ............................................................ 127
. Removal and Installation ...................................... 159 .
Description ............................................................127
.
Testing Condition ..................................................127
. DTC P0075 IVT CONTROL SOLENOID
Inspection Procedure ............................................127 . VALVE ............................................................. 160
.
Diagnosis Procedure ............................................127 . Component Description ....................................... 160 .
CONSULT-III Reference Value in Data Monitor
TROUBLE DIAGNOSIS FOR INTERMITTENT Mode .................................................................... 160
.
INCIDENT ....................................................... 135
. On Board Diagnosis Logic ................................... 160 .
Description ............................................................135
. DTC Confirmation Procedure ............................... 160 .
Diagnosis Procedure ............................................135 . Wiring Diagram .................................................... 161 .
Diagnosis Procedure ............................................ 162 .
POWER SUPPLY AND GROUND CIRCUIT .. 136
. Component Inspection ......................................... 163 .
Wiring Diagram .....................................................136
.
Removal and Installation ...................................... 164 .
Diagnosis Procedure ............................................137
.
Ground Inspection ................................................140
. DTC P0101 MAF SENSOR ............................. 165
.
Component Description ....................................... 165 .
DTC U1000, U1001 CAN COMMUNICATION CONSULT-III Reference Value in Data Monitor
LINE ................................................................ 142
. Mode .................................................................... 165
.
Description ............................................................142
. On Board Diagnosis Logic ................................... 165 .
On Board Diagnosis Logic ....................................142 . DTC Confirmation Procedure ............................... 165 .
DTC Confirmation Procedure ...............................142 . Overall Function Check ........................................ 166 .
Wiring Diagram .....................................................143
. Wiring Diagram .................................................... 168 .
Diagnosis Procedure ............................................143 . Diagnosis Procedure ............................................ 169 .
DTC U1010 CAN COMMUNICATION ............ 144
. Component Inspection ......................................... 171 .
Removal and Installation ...................................... 172 .
Description ............................................................144
.
On Board Diagnosis Logic ....................................144 . DTC P0102, P0103 MAF SENSOR ................. 173
.
DTC Confirmation Procedure ...............................144 . Component Description ....................................... 173 .
Diagnosis Procedure ............................................144 . CONSULT-III Reference Value in Data Monitor
DTC P0011 IVT CONTROL ............................ 145
. Mode .................................................................... 173
.
On Board Diagnosis Logic ................................... 173 .
Description ............................................................145
.
DTC Confirmation Procedure ............................... 173 .
CONSULT-III Reference Value in Data Monitor
Mode .....................................................................145
. Wiring Diagram .................................................... 175 .
Diagnosis Procedure ............................................ 176 .
On Board Diagnosis Logic ....................................146 .
Component Inspection ......................................... 178 .
DTC Confirmation Procedure ...............................146 .
Removal and Installation ...................................... 179 .
Diagnosis Procedure ............................................147 .
Component Inspection ..........................................148 . DTC P0112, P0113 IAT SENSOR ................... 180
.
Removal and Installation ......................................148 . Component Description ....................................... 180 .
DTC P0031, P0032 A/F SENSOR 1 HEATER. 149 On Board Diagnosis Logic ................................... 180 .
DTC Confirmation Procedure ............................... 180 .
Description ............................................................149
.
Wiring Diagram .................................................... 181
.
Revision: July 2007 EC-2 2008 Sentra
Diagnosis Procedure ............................................ 181
. CONSULT-III Reference Value in Data Monitor
Component Inspection ......................................... 183
. Mode ..................................................................... 208
. A
Removal and Installation ...................................... 183
. On Board Diagnosis Logic .................................... 208 .
DTC Confirmation Procedure ............................... 208 .
DTC P0117, P0118 ECT SENSOR ................. 184
. Wiring Diagram ..................................................... 210.
Component Description ........................................ 184
. EC
Diagnosis Procedure ............................................ 211 .
On Board Diagnosis Logic ................................... 184 . Removal and Installation ...................................... 213 .
DTC Confirmation Procedure ............................... 185 .
Wiring Diagram .................................................... 186
. DTC P0132 A/F SENSOR 1 ............................ 214 C
Diagnosis Procedure ............................................ 186
. Component Description ........................................ 214 .
Component Inspection ......................................... 188
. CONSULT-III Reference Value in Data Monitor
Removal and Installation ...................................... 188
. Mode ..................................................................... 214
. D
On Board Diagnosis Logic .................................... 214 .
DTC P0122, P0123 TP SENSOR .................... 189
. DTC Confirmation Procedure ............................... 214 .
Component Description ........................................ 189 . Wiring Diagram ..................................................... 216.
CONSULT-III Reference Value in Data Monitor E
Diagnosis Procedure ............................................ 217 .
Mode .................................................................... 189
. Removal and Installation ...................................... 219 .
On Board Diagnosis Logic ................................... 189 .
DTC Confirmation Procedure ............................... 189 . DTC P0133 A/F SENSOR 1 ............................ 220 F
Wiring Diagram .................................................... 190. Component Description ........................................ 220 .
Diagnosis Procedure ............................................ 191 . CONSULT-III Reference Value in Data Monitor
Component Inspection ......................................... 192 . Mode ..................................................................... 220
.
G
Removal and Installation ...................................... 193 . On Board Diagnosis Logic .................................... 220 .
DTC Confirmation Procedure ............................... 220 .
DTC P0125 ECT SENSOR .............................. 194
. Wiring Diagram ..................................................... 222.
Description ........................................................... 194
. Diagnosis Procedure ............................................ 223 . H
On Board Diagnosis Logic ................................... 194 . Removal and Installation ...................................... 226 .
DTC Confirmation Procedure ............................... 194 .
Diagnosis Procedure ............................................ 195 . DTC P0137 HO2S2 ......................................... 227 I
Component Inspection ......................................... 195 . Component Description ........................................ 227 .
Removal and Installation ...................................... 196 . CONSULT-III Reference Value in Data Monitor
Mode ..................................................................... 227
.
DTC P0127 IAT SENSOR ............................... 197
. J
On Board Diagnosis Logic .................................... 227 .
Component Description ........................................ 197
. DTC Confirmation Procedure ............................... 227 .
On Board Diagnosis Logic ................................... 197
. Overall Function Check ........................................ 228 .
DTC Confirmation Procedure ............................... 197. Wiring Diagram ..................................................... 229. K
Diagnosis Procedure ............................................ 198
. Diagnosis Procedure ............................................ 230 .
Component Inspection ......................................... 198
. Component Inspection .......................................... 232 .
Removal and Installation ...................................... 199
. Removal and Installation ...................................... 233 . L
DTC P0128 THERMOSTAT FUNCTION ......... 200
. DTC P0138 HO2S2 ......................................... 234
On Board Diagnosis Logic ................................... 200
. Component Description ........................................ 234 .
DTC Confirmation Procedure ............................... 200. CONSULT-III Reference Value in Data Monitor M
Diagnosis Procedure ............................................ 200
. Mode ..................................................................... 234
.
Component Inspection ......................................... 200
. On Board Diagnosis Logic .................................... 234 .
Removal and Installation ...................................... 201
. DTC Confirmation Procedure ............................... 235 . N
Overall Function Check ........................................ 236 .
DTC P0130 A/F SENSOR 1 ............................ 202
.
Wiring Diagram ..................................................... 237.
Component Description ........................................ 202 .
Diagnosis Procedure ............................................ 238 . O
CONSULT-III Reference Value in Data Monitor
Component Inspection .......................................... 241 .
Mode .................................................................... 202
.
Removal and Installation ...................................... 242 .
On Board Diagnosis Logic ................................... 202 .
DTC Confirmation Procedure ............................... 202 . DTC P0139 HO2S2 ......................................... 243 P
Overall Function Check ........................................ 203 . Component Description ........................................ 243 .
Wiring Diagram .................................................... 204. CONSULT-III Reference Value in Data Monitor
Diagnosis Procedure ............................................ 205 . Mode ..................................................................... 243
.
Removal and Installation ...................................... 207 . On Board Diagnosis Logic .................................... 243 .
DTC Confirmation Procedure ............................... 243 .
DTC P0131 A/F SENSOR 1 ............................ 208
.
Overall Function Check ........................................ 244 .
Component Description ........................................ 208
.
Wiring Diagram ..................................................... 245.
Revision: July 2007 EC-3 2008 Sentra
Diagnosis Procedure ............................................246
. Removal and Installation ...................................... 284
.
Component Inspection ..........................................248
.
Removal and Installation ......................................249
. DTC P0335 CKP SENSOR (POS) ................... 285
.
Component Description ....................................... 285 .
DTC P0171 FUEL INJECTION SYSTEM CONSULT-III Reference Value in Data Monitor
FUNCTION ...................................................... 250
. Mode .................................................................... 285
.
On Board Diagnosis Logic ....................................250 . On Board Diagnosis Logic ................................... 285 .
DTC Confirmation Procedure ...............................250 . DTC Confirmation Procedure ............................... 285 .
Wiring Diagram .....................................................252
. Wiring Diagram .................................................... 286 .
Diagnosis Procedure ............................................253
. Diagnosis Procedure ............................................ 287 .
Component Inspection ......................................... 290 .
DTC P0172 FUEL INJECTION SYSTEM Removal and Installation ...................................... 290 .
FUNCTION ...................................................... 256
.
On Board Diagnosis Logic ....................................256 . DTC P0340 CMP SENSOR (PHASE) ............. 291
.
DTC Confirmation Procedure ...............................256 . Component Description ....................................... 291 .
Wiring Diagram .....................................................258
. CONSULT-III Reference Value in Data Monitor
Diagnosis Procedure ............................................259
. Mode .................................................................... 291
.
On Board Diagnosis Logic ................................... 291 .
DTC P0181 FTT SENSOR .............................. 262
. DTC Confirmation Procedure ............................... 291 .
Component Description ........................................262 . Wiring Diagram .................................................... 292 .
On Board Diagnosis Logic ....................................262 . Diagnosis Procedure ............................................ 293 .
DTC Confirmation Procedure ...............................262 . Component Inspection ......................................... 295 .
Wiring Diagram .....................................................263
. Removal and Installation ...................................... 296 .
Diagnosis Procedure ............................................263
.
Component Inspection ..........................................265. DTC P0420 THREE WAY CATALYST FUNC-
Removal and Installation ......................................265. TION ................................................................. 297
.
On Board Diagnosis Logic ................................... 297
.
DTC P0182, P0183 FTT SENSOR ................. 266
. DTC Confirmation Procedure ............................... 297 .
Component Description ........................................266 . Overall Function Check ........................................ 298
.
On Board Diagnosis Logic ....................................266 . Diagnosis Procedure ............................................ 298
.
DTC Confirmation Procedure ...............................266 .
Wiring Diagram .....................................................267
. DTC P0441 EVAP CONTROL SYSTEM ......... 301
.
Diagnosis Procedure ............................................267
. System Description .............................................. 301
.
Component Inspection ..........................................269. On Board Diagnosis Logic ................................... 301.
Removal and Installation ......................................269. DTC Confirmation Procedure ............................... 301 .
Overall Function Check ........................................ 302
.
DTC P0222, P0223 TP SENSOR ................... 270
. Diagnosis Procedure ............................................ 302
.
Component Description ........................................270 .
CONSULT-III Reference Value in Data Monitor DTC P0442 EVAP CONTROL SYSTEM ......... 306
.
Mode .....................................................................270
. On Board Diagnosis Logic ................................... 306
.
On Board Diagnosis Logic ....................................270 . DTC Confirmation Procedure ............................... 306 .
DTC Confirmation Procedure ...............................270 . Diagnosis Procedure ............................................ 307
.
Wiring Diagram .....................................................271 .
Diagnosis Procedure ............................................272 . DTC P0443 EVAP CANISTER PURGE VOL-
Component Inspection ..........................................273 . UME CONTROL SOLENOID VALVE .............. 313
.
Removal and Installation ......................................274 . Description ........................................................... 313
.
CONSULT-III Reference Value in Data Monitor
DTC P0300 - P0304 MULTIPLE CYLINDER Mode .................................................................... 313
.
MISFIRE, NO. 1 - 4 CYLINDER MISFIRE ...... 275
. On Board Diagnosis Logic ................................... 314 .
On Board Diagnosis Logic ....................................275
. DTC Confirmation Procedure ............................... 314 .
DTC Confirmation Procedure ...............................275 . Wiring Diagram .................................................... 315 .
Diagnosis Procedure ............................................276
. Diagnosis Procedure ............................................ 316 .
Component Inspection ......................................... 319 .
DTC P0327, P0328 KS ................................... 281
. Removal and Installation ...................................... 319 .
Component Description ........................................281 .
On Board Diagnosis Logic ....................................281 . DTC P0444, P0445 EVAP CANISTER PURGE
DTC Confirmation Procedure ...............................281 . VOLUME CONTROL SOLENOID VALVE ...... 320
.
Wiring Diagram .....................................................282
. Description ........................................................... 320
.
Diagnosis Procedure ............................................283
. CONSULT-III Reference Value in Data Monitor
Component Inspection ..........................................284. Mode .................................................................... 320
.
Revision: July 2007 EC-4 2008 Sentra
On Board Diagnosis Logic ................................... 321 . DTC P0455 EVAP CONTROL SYSTEM ......... 356
DTC Confirmation Procedure ............................... 321 . On Board Diagnosis Logic .................................... 356
. A
Wiring Diagram .................................................... 322
. DTC Confirmation Procedure ............................... 356.
Diagnosis Procedure ............................................ 323
. Diagnosis Procedure ............................................ 357
.
Component Inspection ......................................... 325
.
Removal and Installation ...................................... 325
. DTC P0456 EVAP CONTROL SYSTEM ......... 362 EC
On Board Diagnosis Logic .................................... 362
.
DTC P0447 EVAP CANISTER VENT CON- DTC Confirmation Procedure ............................... 363.
TROL VALVE .................................................. 326
. Overall Function Check ........................................ 363
. C
Component Description ........................................ 326 . Diagnosis Procedure ............................................ 364
.
CONSULT-III Reference Value in Data Monitor
Mode .................................................................... 326
. DTC P0460 FUEL LEVEL SENSOR ............... 369 D
On Board Diagnosis Logic ................................... 326 . Component Description ........................................ 369
.
DTC Confirmation Procedure ............................... 326 . On Board Diagnosis Logic .................................... 369
.
Wiring Diagram .................................................... 327. DTC Confirmation Procedure ............................... 369.
Diagnosis Procedure ............................................ 369
. E
Diagnosis Procedure ............................................ 328 .
Component Inspection ......................................... 330 . Removal and Installation ...................................... 370
.
DTC P0448 EVAP CANISTER VENT CON- DTC P0461 FUEL LEVEL SENSOR ............... 371 F
TROL VALVE .................................................. 332
. Component Description ........................................ 371
.
Component Description ........................................ 332 . On Board Diagnosis Logic .................................... 371
.
CONSULT-III Reference Value in Data Monitor Overall Function Check ........................................ 371
.
Diagnosis Procedure ............................................ 372
. G
Mode .................................................................... 332
.
On Board Diagnosis Logic ................................... 332 . Removal and Installation ...................................... 372
.
DTC Confirmation Procedure ............................... 332 . DTC P0462, P0463 FUEL LEVEL SENSOR .. 373 H
Wiring Diagram .................................................... 334.
Component Description ........................................ 373
.
Diagnosis Procedure ............................................ 335 .
On Board Diagnosis Logic .................................... 373
.
Component Inspection ......................................... 336 .
DTC Confirmation Procedure ............................... 373.
I
DTC P0451 EVAP CONTROL SYSTEM Diagnosis Procedure ............................................ 373
.
PRESSURE SENSOR ..................................... 338
. Removal and Installation ...................................... 374
.
Component Description ........................................ 338 . DTC P0500 VSS .............................................. 375 J
CONSULT-III Reference Value in Data Monitor Description ............................................................ 375
.
Mode .................................................................... 338
. On Board Diagnosis Logic .................................... 375 .
On Board Diagnosis Logic ................................... 338 . DTC Confirmation Procedure ............................... 375 .
DTC Confirmation Procedure ............................... 338 . K
Overall Function Check ........................................ 376 .
Diagnosis Procedure ............................................ 339 . Diagnosis Procedure ............................................ 376 .
Component Inspection ......................................... 340 .
DTC P0506 ISC SYSTEM ............................... 377 L
DTC P0452 EVAP CONTROL SYSTEM Description ............................................................ 377
.
PRESSURE SENSOR ..................................... 341
. On Board Diagnosis Logic .................................... 377 .
Component Description ........................................ 341 . DTC Confirmation Procedure ............................... 377 . M
CONSULT-III Reference Value in Data Monitor Diagnosis Procedure ............................................ 377 .
Mode .................................................................... 341
.
On Board Diagnosis Logic ................................... 341 . DTC P0507 ISC SYSTEM ............................... 379
DTC Confirmation Procedure ............................... 341 . Description ............................................................ 379
. N
Wiring Diagram .................................................... 343. On Board Diagnosis Logic .................................... 379 .
Diagnosis Procedure ............................................ 344 . DTC Confirmation Procedure ............................... 379 .
Component Inspection ......................................... 347 . Diagnosis Procedure ............................................ 379 . O
DTC P0453 EVAP CONTROL SYSTEM DTC P0605 ECM ............................................. 381
PRESSURE SENSOR ..................................... 348
. Component Description ........................................ 381
.
On Board Diagnosis Logic .................................... 381
. P
Component Description ........................................ 348 .
CONSULT-III Reference Value in Data Monitor DTC Confirmation Procedure ............................... 381.
Mode .................................................................... 348
. Diagnosis Procedure ............................................ 382
.
On Board Diagnosis Logic ................................... 348 .
DTC Confirmation Procedure ............................... 348 . DTC P0643 SENSOR POWER SUPPLY ........ 383
Wiring Diagram .................................................... 350. On Board Diagnosis Logic .................................... 383 .
Diagnosis Procedure ............................................ 351 . DTC Confirmation Procedure ............................... 383 .
Component Inspection ......................................... 355 . Wiring Diagram ..................................................... 384
.
Revision: July 2007 EC-5 2008 Sentra
Diagnosis Procedure ............................................385
. DTC Confirmation Procedure ............................... 419 .
Wiring Diagram .................................................... 420
.
DTC P0850 PNP SWITCH .............................. 388
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