Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2000-2005 Approved Nissan Altima 2003 EC
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B ENGINE
A
EC
SECTION
ENGINE CONTROL SYSTEM C
D
E
CONTENTS
QR Malfunction Indicator Lamp (MIL) .......................... 68 . F
OBD System Operation Chart ............................... 71 .
INDEX FOR DTC ..................................................... 15 . TROUBLE DIAGNOSIS ........................................... 76 .
Alphabetical Index ................................................. 15 . Trouble Diagnosis Introduction .............................. 76 . G
DTC No. Index ...................................................... 18 . DTC Inspection Priority Chart ................................ 80 .
PRECAUTIONS ....................................................... 21 . Fail-safe Chart ....................................................... 82
.
Precautions for Supplemental Restraint System Basic Inspection .................................................... 83 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- H
Symptom Matrix Chart ........................................... 87 .
SIONER" ............................................................... 21. Engine Control Component Parts Location ........... 92 .
On Board Diagnostic (OBD) System of Engine and Circuit Diagram ...................................................... 97.
A/T ......................................................................... 21
. ECM Harness Connector Terminal Layout ............ 99 . I
Precaution ............................................................. 21
. ECM Terminals and Reference Value .................... 99 .
Wiring Diagrams and Trouble Diagnosis ............... 24 . CONSULT-II Function .......................................... 106 .
PREPARATION ........................................................ 25 . Generic Scan Tool (GST) Function ...................... 118 . J
Special Service Tools ............................................ 25 . CONSULT-II Reference Value in Data Monitor .... 120 .
Commercial Service Tools ..................................... 25 . Major Sensor Reference Graph in Data Monitor
ENGINE CONTROL SYSTEM ................................. 27 . Mode .................................................................... 123
.
System Diagram .................................................... 27 . K
TROUBLE DIAGNOSIS - SPECIFICATION VALUE 126 .
Vacuum Hose Drawing .......................................... 28 . Description ........................................................... 126
.
System Chart ........................................................ 29 . Testing Condition ................................................. 126 .
Multiport Fuel Injection (MFI) System ................... 30 . Inspection Procedure ........................................... 126 . L
Electronic Ignition (EI) System .............................. 32 . Diagnostic Procedure .......................................... 127 .
Air Conditioning Cut Control .................................. 33 . TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
Fuel Cut Control (at No Load and High Engine DENT ...................................................................... 130
. M
Speed) ................................................................... 33
. Description ........................................................... 130
.
CAN communication ............................................. 34 . Diagnostic Procedure .......................................... 130 .
BASIC SERVICE PROCEDURE ............................. 37 . POWER SUPPLY CIRCUIT FOR ECM .................. 131 .
Idle Speed and Ignition Timing Check ................... 37 . Wiring Diagram .................................................... 131 .
Idle Speed/Ignition Timing/Idle Mixture Ratio Diagnostic Procedure .......................................... 134 .
Adjustment ............................................................ 38. DTC U1000, U1001 CAN COMMUNICATION LINE. 138
Accelerator Pedal Released Position Learning ..... 48 . Description ........................................................... 138
.
Throttle Valve Closed Position Learning ............... 48 . On Board Diagnosis Logic ................................... 138 .
Idle Air Volume Learning ....................................... 48 . DTC Confirmation Procedure .............................. 138 .
Fuel Pressure Check ............................................. 50 . Wiring Diagram .................................................... 139 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 53 . Diagnostic Procedure .......................................... 140 .
Introduction ........................................................... 53
. DTC P0011 IVT CONTROL .................................... 141 .
Two Trip Detection Logic ....................................... 53 . Description ........................................................... 141
.
Emission-related Diagnostic Information ............... 54 . CONSULT-II Reference Value in Data Monitor Mode
NVIS (Nissan Vehicle Immobilizer System -- NATS) . 141
... 67 On Board Diagnosis Logic ................................... 142 .
Revision: May 2004 EC-1 2003 Altima
DTC Confirmation Procedure .............................. 142 . DTC P0122, P0123 TP SENSOR ........................... 178 .
Diagnostic Procedure .......................................... 142 . Component Description ....................................... 178 .
DTC P0031, P0032 HO2S1 HEATER .................... 144 . CONSULT-II Reference Value in Data Monitor Mode
Description ........................................................... 144
. .178
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 178 .
. 144 DTC Confirmation Procedure ............................... 178 .
On Board Diagnosis Logic ................................... 144 . Wiring Diagram .................................................... 180
.
DTC Confirmation Procedure .............................. 144 . Diagnostic Procedure ........................................... 181 .
Wiring Diagram .................................................... 146
. Component Inspection ......................................... 183 .
Diagnostic Procedure .......................................... 147 . Remove and Installation ...................................... 183 .
Component Inspection ......................................... 149 . DTC P0125 ECT SENSOR ..................................... 184 .
Removal and Installation ..................................... 149 . Description ........................................................... 184
.
DTC P0037, P0038 HO2S2 HEATER .................... 150 . On Board Diagnosis Logic ................................... 184 .
Description ........................................................... 150
. DTC Confirmation Procedure ............................... 184 .
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure ........................................... 185 .
. 150 Component Inspection ......................................... 185 .
On Board Diagnosis Logic ................................... 150 . Removal and Installation ...................................... 186 .
DTC Confirmation Procedure .............................. 150 . DTC P0127 IAT SENSOR ....................................... 187 .
Wiring Diagram .................................................... 152
. Component Description ....................................... 187 .
Diagnostic Procedure .......................................... 153 . On Board Diagnosis Logic ................................... 187 .
Component Inspection ......................................... 154 . DTC Confirmation Procedure ............................... 187 .
Removal and Installation ..................................... 154 . Diagnostic Procedure ........................................... 188 .
DTC P0101 MAF SENSOR .................................... 155 . Component Inspection ......................................... 188 .
Component Description ....................................... 155 . Removal and Installation ...................................... 189 .
CONSULT-II Reference Value in Data Monitor Mode DTC P0128 THERMOSTAT FUNCTION ................ 190 .
. 155 On Board Diagnosis Logic ................................... 190 .
On Board Diagnosis Logic ................................... 155 . DTC Confirmation Procedure ............................... 190 .
DTC Confirmation Procedure .............................. 155 . Diagnostic Procedure ........................................... 190 .
Overall Function Check ....................................... 157 . Component Inspection ......................................... 191 .
Wiring Diagram .................................................... 158
. Removal and Installation ...................................... 191 .
Diagnostic Procedure .......................................... 159 . DTC P0132 HO2S1 ................................................ 192 .
Component Inspection ......................................... 161 . Component Description ....................................... 192 .
Removal and Installation ..................................... 161 . CONSULT-II Reference Value in Data Monitor Mode
DTC P0102, P0103 MAF SENSOR ........................ 162 . .192
Component Description ....................................... 162 . On Board Diagnosis Logic ................................... 192 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 193 .
. 162 Wiring Diagram .................................................... 194
.
On Board Diagnosis Logic ................................... 162 . Diagnostic Procedure ........................................... 195 .
DTC Confirmation Procedure .............................. 162 . Component Inspection ......................................... 196 .
Wiring Diagram .................................................... 164
. Removal and Installation ...................................... 197 .
Diagnostic Procedure .......................................... 165 . DTC P0133 HO2S1 ................................................ 198 .
Component Inspection ......................................... 167 . Component Description ....................................... 198 .
Removal and Installation ..................................... 167 . CONSULT-II Reference Value in Data Monitor Mode
DTC P0112, P0113 IAT SENSOR .......................... 168 . .198
Component Description ....................................... 168 . On Board Diagnosis Logic ................................... 198 .
On Board Diagnosis Logic ................................... 168 . DTC Confirmation Procedure ............................... 199 .
DTC Confirmation Procedure .............................. 168 . Overall Function Check ........................................ 200 .
Wiring Diagram .................................................... 170
. Wiring Diagram .................................................... 201
.
Diagnostic Procedure .......................................... 171 . Diagnostic Procedure ........................................... 202 .
Component Inspection ......................................... 172 . Component Inspection ......................................... 204 .
Removal and Installation ..................................... 172 . Removal and Installation ...................................... 206 .
DTC P0117, P0118 ECT SENSOR ......................... 173 . DTC P0134 HO2S1 ................................................ 207 .
Component Description ....................................... 173 . Component Description ....................................... 207 .
On Board Diagnosis Logic ................................... 173 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 174 . .207
Wiring Diagram .................................................... 175
. On Board Diagnosis Logic ................................... 207 .
Diagnostic Procedure .......................................... 176 . DTC Confirmation Procedure ............................... 208 .
Component Inspection ......................................... 177 . Overall Function Check ........................................ 208 .
Removal and Installation ..................................... 177 . Wiring Diagram .................................................... 210
.
Revision: May 2004 EC-2 2003 Altima
Diagnostic Procedure ...........................................211
. Main 12 Causes of Overheating .......................... 257 .
Component Inspection ........................................ 212. Component Inspection ......................................... 258. A
Removal and Installation ..................................... 213
. DTC P0222, P0223 TP SENSOR ........................... 259 .
DTC P0138 HO2S2 ................................................ 214
. Component Description ....................................... 259 .
Component Description ....................................... 214. CONSULT-II Reference Value in Data Monitor Mode EC
CONSULT-II Reference Value in Data Monitor Mode . 259
. 214 On Board Diagnosis Logic ................................... 259 .
On Board Diagnosis Logic .................................. 214 . DTC Confirmation Procedure .............................. 259 .
DTC Confirmation Procedure .............................. 214 . Wiring Diagram .................................................... 261
. C
Wiring Diagram ................................................... 216
. Diagnostic Procedure .......................................... 262
.
Diagnostic Procedure .......................................... 217
. Component Inspection ......................................... 264.
Component Inspection ........................................ 218. Remove and Installation ...................................... 264. D
Removal and Installation ..................................... 219
. DTC P0300 - P0304 MULTIPLE CYLINDER MIS-
DTC P0139 HO2S2 ................................................ 220
. FIRE, NO. 1 - 4 CYLINDER MISFIRE .................... 265 .
Component Description ....................................... 220. On Board Diagnosis Logic ................................... 265 . E
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure .............................. 265 .
. 220 Diagnostic Procedure .......................................... 266
.
On Board Diagnosis Logic .................................. 220 . DTC P0327, P0328 KS .......................................... 270 .
DTC Confirmation Procedure .............................. 221 . Component Description ....................................... 270 . F
Overall Function Check ....................................... 221
. On Board Diagnosis Logic ................................... 270 .
Wiring Diagram ................................................... 223
. DTC Confirmation Procedure .............................. 270 .
Diagnostic Procedure .......................................... 224
. Wiring Diagram .................................................... 271
. G
Component Inspection ........................................ 226. Diagnostic Procedure .......................................... 272
.
Removal and Installation ..................................... 227
. Component Inspection ......................................... 273.
DTC P0171 FUEL INJECTION SYSTEM FUNCTION 228 . Removal and Installation ..................................... 273. H
On Board Diagnosis Logic .................................. 228 . DTC P0335 CKP SENSOR (POS) ......................... 274 .
DTC Confirmation Procedure .............................. 228 . Component Description ....................................... 274 .
Wiring Diagram ................................................... 230
. CONSULT-II Reference Value in Data Monitor Mode
I
Diagnostic Procedure .......................................... 231
. . 274
DTC P0172 FUEL INJECTION SYSTEM FUNCTION 235 . On Board Diagnosis Logic ................................... 274 .
On Board Diagnosis Logic .................................. 235 . DTC Confirmation Procedure .............................. 274 .
DTC Confirmation Procedure .............................. 235 . Wiring Diagram .................................................... 275
. J
Wiring Diagram ................................................... 237
. Diagnostic Procedure .......................................... 276
.
Diagnostic Procedure .......................................... 238
. Component Inspection ......................................... 278.
DTC P0181 FTT SENSOR ..................................... 241 . Removal and Installation ..................................... 279. K
Component Description ....................................... 241. DTC P0340 CMP SENSOR (PHASE) .................... 280 .
On Board Diagnosis Logic .................................. 241 . Component Description ....................................... 280 .
DTC Confirmation Procedure .............................. 241 . On Board Diagnosis Logic ................................... 280 . L
Diagnostic Procedure .......................................... 242
. DTC Confirmation Procedure .............................. 280 .
Component Inspection ........................................ 242. Wiring Diagram .................................................... 281
.
Removal and Installation ..................................... 242
. Diagnostic Procedure .......................................... 282
.
DTC P0182, P0183 FTT SENSOR ........................ 243 . Component Inspection ......................................... 284. M
Component Description ....................................... 243. Removal and Installation ..................................... 285.
On Board Diagnosis Logic .................................. 243 . DTC P0420 THREE WAY CATALYST FUNCTION . 286
DTC Confirmation Procedure .............................. 243 . On Board Diagnosis Logic ................................... 286 .
Wiring Diagram ................................................... 244
. DTC Confirmation Procedure .............................. 286 .
Diagnostic Procedure .......................................... 245
. Overall Function Check ....................................... 287.
Component Inspection ........................................ 246. Diagnostic Procedure .......................................... 288
.
Removal and Installation ..................................... 246
. DTC P0441 EVAP CONTROL SYSTEM ................ 291 .
DTC P0217 COOLANT OVERTEMPERATURE System Description .............................................. 291
.
ENRICHMENT PROTECTION ............................... 247 . On Board Diagnosis Logic ................................... 291 .
System Description ............................................. 247
. DTC Confirmation Procedure .............................. 291 .
CONSULT-II Reference Value in Data Monitor Mode Overall Function Check ....................................... 292.
. 247 Diagnostic Procedure .......................................... 293
.
On Board Diagnosis Logic .................................. 248 . DTC P0442 EVAP CONTROL SYSTEM ................ 297 .
Overall Function Check ....................................... 248
. On Board Diagnosis Logic ................................... 297 .
Wiring Diagram ................................................... 251
. DTC Confirmation Procedure .............................. 298 .
Diagnostic Procedure .......................................... 252
. Diagnostic Procedure .......................................... 299
.
DTC P0444, P0445 EVAP CANISTER PURGE VOL-
Revision: May 2004 EC-3 2003 Altima
UME CONTROL SOLENOID VALVE ..................... 305 . On Board Diagnosis Logic ................................... 353 .
Description ........................................................... 305
. Overall Function Check ........................................ 353 .
CONSULT-II Reference Value in Data Monitor Mode DTC P0462, P0463 FUEL LEVEL SENSOR .......... 355 .
. 305 Component Description ....................................... 355 .
On Board Diagnosis Logic ................................... 306 . On Board Diagnosis Logic ................................... 355 .
DTC Confirmation Procedure .............................. 306 . DTC Confirmation Procedure ............................... 355 .
Wiring Diagram .................................................... 307 . Wiring Diagram .................................................... 356
.
Diagnostic Procedure .......................................... 308 . Diagnostic Procedure ........................................... 357 .
Component Inspection ......................................... 310 . Removal and Installation ...................................... 359 .
Removal and Installation ..................................... 310 . DTC P0500 VSS ..................................................... 360.
DTC P0447 EVAP CANISTER VENT CONTROL Description ........................................................... 360
.
VALVE .................................................................... 311
. On Board Diagnosis Logic ................................... 360 .
Component Description ....................................... 311 . DTC Confirmation Procedure ............................... 360 .
CONSULT-II Reference Value in Data Monitor Mode Overall Function Check ........................................ 360 .
. 311 Diagnostic Procedure ........................................... 361 .
On Board Diagnosis Logic ................................... 311 . DTC P0506 ISC SYSTEM ...................................... 362 .
DTC Confirmation Procedure .............................. 311 . Description ........................................................... 362
.
Wiring Diagram .................................................... 313 . On Board Diagnosis Logic ................................... 362 .
Diagnostic Procedure .......................................... 314 . DTC Confirmation Procedure ............................... 362 .
Component Inspection ......................................... 316 . Diagnostic Procedure ........................................... 363 .
DTC P0452 EVAP CONTROL SYSTEM PRESSURE DTC P0507 ISC SYSTEM ...................................... 364 .
SENSOR ................................................................. 318
. Description ........................................................... 364
.
Component Description ....................................... 318 . On Board Diagnosis Logic ................................... 364 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 364 .
. 318 Diagnostic Procedure ........................................... 365 .
On Board Diagnosis Logic ................................... 318 . DTC P0605 ECM .................................................... 366 .
DTC Confirmation Procedure .............................. 318 . Component Description ....................................... 366 .
Wiring Diagram .................................................... 320 . On Board Diagnosis Logic ................................... 366 .
Diagnostic Procedure .......................................... 321 . DTC Confirmation Procedure ............................... 366 .
Component Inspection ......................................... 323 . Diagnostic Procedure ........................................... 367 .
DTC P0453 EVAP CONTROL SYSTEM PRESSURE DTC P0650 MIL ...................................................... 369
.
SENSOR ................................................................. 324
. Component Description ....................................... 369 .
Component Description ....................................... 324 . On Board Diagnosis Logic ................................... 369 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 369 .
. 324 Wiring Diagram .................................................... 370
.
On Board Diagnosis Logic ................................... 324 . Diagnostic Procedure ........................................... 371 .
DTC Confirmation Procedure .............................. 324 . DTC P1065 ECM POWER SUPPLY ....................... 373 .
Wiring Diagram .................................................... 326 . Component Description ....................................... 373 .
Diagnostic Procedure .......................................... 327 . On Board Diagnosis Logic ................................... 373 .
Component Inspection ......................................... 330 . DTC Confirmation Procedure ............................... 373 .
DTC P0455 EVAP CONTROL SYSTEM ................ 331 . Wiring Diagram .................................................... 374
.
On Board Diagnosis Logic ................................... 331 . Diagnostic Procedure ........................................... 375 .
DTC Confirmation Procedure .............................. 331 . DTC P1102 MAF SENSOR .................................... 377 .
Diagnostic Procedure .......................................... 333 . Component Description ....................................... 377 .
DTC P0456 EVAP CONTROL SYSTEM ................ 339 . CONSULT-II Reference Value in Data Monitor Mode
On Board Diagnosis Logic ................................... 339 . .377
DTC Confirmation Procedure .............................. 340 . On Board Diagnosis Logic ................................... 377 .
Overall Function Check ....................................... 341 . DTC Confirmation Procedure ............................... 377 .
Diagnostic Procedure .......................................... 342 . Wiring Diagram .................................................... 379
.
DTC P0460 FUEL LEVEL SENSOR ...................... 348 . Diagnostic Procedure ........................................... 380 .
Component Description ....................................... 348 . Component Inspection ......................................... 382 .
On Board Diagnosis Logic ................................... 348 . Removal and Installation ...................................... 382 .
DTC Confirmation Procedure .............................. 348 . DTC P1111 IVT CONTROL SOLENOID VALVE .... 383 .
Wiring Diagram .................................................... 349 . Component Description ....................................... 383 .
Diagnostic Procedure .......................................... 350 . CONSULT-II Reference Value in Data Monitor Mode
Removal and Installation ..................................... 352 . .383
DTC P0461 FUEL LEVEL SENSOR ...................... 353 . On Board Diagnosis Logic ................................... 383 .
Component Description ....................................... 353 . DTC Confirmation Procedure ............................... 383 .
Wiring Diagram .................................................... 384
.
Revision: May 2004 EC-4 2003 Altima
Diagnostic Procedure .......................................... 385 . On Board Diagnosis Logic ................................... 418 .
Component Inspection ........................................ 386 . DTC Confirmation Procedure .............................. 418 . A
Removal and Installation ..................................... 386 . Overall Function Check ....................................... 419 .
DTC P1121 ELECTRIC THROTTLE CONTROL Wiring Diagram .................................................... 420
.
ACTUATOR ........................................................... 387. Diagnostic Procedure .......................................... 421 . EC
Component Description ....................................... 387 . Component Inspection ......................................... 423 .
On Board Diagnosis Logic .................................. 387 . Removal and Installation ..................................... 424 .
DTC Confirmation Procedure .............................. 387 . DTC P1147 HO2S2 ................................................ 425 .
Diagnostic Procedure .......................................... 388 . Component Description ....................................... 425 . C
DTC P1122 ELECTRIC THROTTLE CONTROL CONSULT-II Reference Value in Data Monitor Mode
FUNCTION ............................................................. 389
. . 425
Description .......................................................... 389
. On Board Diagnosis Logic ................................... 425 . D
On Board Diagnosis Logic .................................. 389 . DTC Confirmation Procedure .............................. 426 .
DTC Confirmation Procedure .............................. 389 . Overall Function Check ....................................... 426 .
Wiring Diagram ................................................... 390 . Wiring Diagram .................................................... 428
. E
Diagnostic Procedure .......................................... 391 . Diagnostic Procedure .......................................... 429 .
Component Inspection ........................................ 395 . Component Inspection ......................................... 431 .
Remove and Installation ...................................... 395 . Removal and Installation ..................................... 432 .
DTC P1124, P1126 THROTTLE CONTROL MOTOR DTC P1148 CLOSED LOOP CONTROL ............... 433 . F
RELAY ................................................................... 396
. On Board Diagnosis Logic ................................... 433 .
Component Description ....................................... 396 . DTC Confirmation Procedure .............................. 433 .
CONSULT-II Reference Value in Data Monitor Mode Overall Function Check ....................................... 433 . G
. 396 Diagnostic Procedure .......................................... 434 .
On Board Diagnosis Logic .................................. 396 . DTC P1217 ENGINE OVER TEMPERATURE ....... 435 .
DTC Confirmation Procedure .............................. 396 . System Description .............................................. 435 . H
Wiring Diagram ................................................... 398 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 399 . . 435
DTC P1128 THROTTLE CONTROL MOTOR ....... 401 . On Board Diagnosis Logic ................................... 436 .
I
Component Description ....................................... 401 . Overall Function Check ....................................... 436 .
On Board Diagnosis Logic .................................. 401 . Wiring Diagram .................................................... 438
.
DTC Confirmation Procedure .............................. 401 . Diagnostic Procedure .......................................... 439 .
Wiring Diagram ................................................... 402 . Main 12 Causes of Overheating .......................... 444 . J
Diagnostic Procedure .......................................... 403 . Component Inspection ......................................... 445 .
Component Inspection ........................................ 404 . DTC P1225 TP SENSOR ....................................... 446 .
Removal and Installation ..................................... 405 . Component Description ....................................... 446 . K
DTC P1143 HO2S1 ................................................ 406 . On Board Diagnosis Logic ................................... 446 .
Component Description ....................................... 406 . DTC Confirmation Procedure .............................. 446 .
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure .......................................... 447 . L
. 406 Remove and Installation ...................................... 447 .
On Board Diagnosis Logic .................................. 406 . DTC P1226 TP SENSOR ....................................... 448 .
DTC Confirmation Procedure .............................. 407 . Component Description ....................................... 448 .
Overall Function Check ....................................... 407 . On Board Diagnosis Logic ................................... 448 . M
Diagnostic Procedure .......................................... 408 . DTC Confirmation Procedure .............................. 448 .
Component Inspection ........................................ 410 . Diagnostic Procedure .......................................... 449 .
Removal and Installation ......................................411 . Remove and Installation ...................................... 449 .
DTC P1144 HO2S1 ................................................ 412 . DTC P1229 SENSOR POWER SUPPLY ............... 450 .
Component Description ....................................... 412 . On Board Diagnosis Logic ................................... 450 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure .............................. 450 .
. 412 Wiring Diagram .................................................... 451
.
On Board Diagnosis Logic .................................. 412 . Diagnostic Procedure .......................................... 452 .
DTC Confirmation Procedure .............................. 413 . DTC P1442 EVAP CONTROL SYSTEM ................ 454 .
Overall Function Check ....................................... 413 . On Board Diagnosis Logic ................................... 454 .
Diagnostic Procedure .......................................... 414 . DTC Confirmation Procedure .............................. 455 .
Component Inspection ........................................ 416 . Diagnostic Procedure .......................................... 455 .
Removal and Installation ..................................... 417 . DTC P1444 EVAP CANISTER PURGE VOLUME
DTC P1146 HO2S2 ................................................ 418 . CONTROL SOLENOID VALVE .............................. 456 .
Component Description ....................................... 418 . Description ........................................................... 456
.
CONSULT-II Reference Value in Data Monitor Mode CONSULT-II Reference Value in Data Monitor Mode
. 418 . 456
Revision: May 2004 EC-5 2003 Altima
On Board Diagnosis Logic ................................... 457 . DTC P1564 ASCD STEERING SWITCH ............... 506 .
DTC Confirmation Procedure .............................. 457 . Component Description ....................................... 506 .
Wiring Diagram .................................................... 458 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 459 . .506
Component Inspection ......................................... 463 . On Board Diagnosis Logic ................................... 506 .
Removal and Installation ..................................... 463 . DTC Confirmation Procedure ............................... 506 .
DTC P1446 EVAP CANISTER VENT CONTROL Wiring Diagram .................................................... 508
.
VALVE .................................................................... 464
. Diagnostic Procedure ........................................... 510 .
Component Description ....................................... 464 . Component Inspection ......................................... 511 .
CONSULT-II Reference Value in Data Monitor Mode DTC P1572 ASCD BRAKE SWITCH ..................... 513 .
. 464 Component Description ....................................... 513 .
On Board Diagnosis Logic ................................... 464 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 464 . .513
Wiring Diagram .................................................... 466 . On Board Diagnosis Logic ................................... 513 .
Diagnostic Procedure .......................................... 467 . DTC Confirmation Procedure ............................... 513 .
Component Inspection ......................................... 469 . Wiring Diagram .................................................... 515
.
DTC P1448 EVAP CANISTER VENT CONTROL Diagnostic Procedure ........................................... 516 .
VALVE .................................................................... 470
. Component Inspection ......................................... 521 .
Component Description ....................................... 470 . DTC P1574 ASCD VEHICLE SPEED SENSOR .... 523 .
CONSULT-II Reference Value in Data Monitor Mode Component Description ....................................... 523 .
. 470 On Board Diagnosis Logic ................................... 523 .
On Board Diagnosis Logic ................................... 470 . DTC Confirmation Procedure ............................... 523 .
DTC Confirmation Procedure .............................. 470 . Diagnostic Procedure ........................................... 524 .
Overall Function Check ....................................... 472 . DTC P1706 PNP SWITCH ...................................... 525 .
Wiring Diagram .................................................... 473 . Component Description ....................................... 525 .
Diagnostic Procedure .......................................... 474 . CONSULT-II Reference Value in Data Monitor Mode
Component Inspection ......................................... 476 . .525
DTC P1456 EVAP CONTROL SYSTEM ................ 478 . On Board Diagnosis Logic ................................... 525 .
On Board Diagnosis Logic ................................... 478 . DTC Confirmation Procedure ............................... 525 .
DTC Confirmation Procedure .............................. 479 . Overall Function Check ........................................ 526 .
Overall Function Check ....................................... 480 . Wiring Diagram .................................................... 527
.
Diagnostic Procedure .......................................... 481 . Diagnostic Procedure ........................................... 528 .
DTC P1464 FUEL LEVEL SENSOR ...................... 487 . DTC P1805 BRAKE SWITCH ................................ 529 .
Component Description ....................................... 487 . Description ........................................................... 529
.
On Board Diagnosis Logic ................................... 487 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 487 . .529
Wiring Diagram .................................................... 488 . On Board Diagnosis Logic ................................... 529 .
Diagnostic Procedure .......................................... 489 . DTC Confirmation Procedure ............................... 529 .
Removal and Installation ..................................... 489 . Wiring Diagram .................................................... 530
.
DTC P1490 VACUUM CUT VALVE BYPASS VALVE 490 . Diagnostic Procedure ........................................... 531 .
Description ........................................................... 490
. Component Inspection ......................................... 533 .
CONSULT-II Reference Value in Data Monitor Mode DTC P2122, P2123 APP SENSOR ........................ 534 .
. 490 Component Description ....................................... 534 .
On Board Diagnosis Logic ................................... 490 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 490 . .534
Wiring Diagram .................................................... 492 . On Board Diagnosis Logic ................................... 534 .
Diagnostic Procedure .......................................... 493 . DTC Confirmation Procedure ............................... 534 .
Component Inspection ......................................... 495 . Wiring Diagram .................................................... 536
.
DTC P1491 VACUUM CUT VALVE BYPASS VALVE 497 . Diagnostic Procedure ........................................... 537 .
Description ........................................................... 497
. Component Inspection ......................................... 539 .
CONSULT-II Reference Value in Data Monitor Mode Removal and Installation ...................................... 539 .
. 497 DTC P2127, P2128 APP SENSOR ........................ 540 .
On Board Diagnosis Logic ................................... 497 . Component Description ....................................... 540 .
DTC Confirmation Procedure .............................. 498 . CONSULT-II Reference Value in Data Monitor Mode
Overall Function Check ....................................... 498 . .540
Wiring Diagram .................................................... 500 . On Board Diagnosis Logic ................................... 540 .
Diagnostic Procedure .......................................... 501 . DTC Confirmation Procedure ............................... 540 .
Component Inspection ......................................... 504 . Wiring Diagram .................................................... 542
.
Diagnostic Procedure ........................................... 543 .
Revision: May 2004 EC-6 2003 Altima
Component Inspection ........................................ 545 . CONSULT-II Reference Value in Data Monitor Mode
Remove and Installation ...................................... 545 . . 596 A
DTC P2135 TP SENSOR ....................................... 546 . Wiring Diagram .................................................... 597 .
Component Description ....................................... 546 . Diagnostic Procedure .......................................... 598 .
CONSULT-II Reference Value in Data Monitor Mode Component Inspection ......................................... 599 . EC
. 546 Removal and Installation ..................................... 599 .
On Board Diagnosis Logic .................................. 546 . REFRIGERANT PRESSURE SENSOR ................. 600 .
DTC Confirmation Procedure .............................. 546 . Component Description ....................................... 600 .
Wiring Diagram ................................................... 548 . Wiring Diagram .................................................... 601 . C
Diagnostic Procedure .......................................... 549 . Diagnostic Procedure .......................................... 602 .
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