Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti Q45 FY33 F50 2001-2006 Approved 2003_Q45 ec
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ENGINE CONTROL SYSTEM
B ENGINE
A
EC
SECTION
ENGINE CONTROL SYSTEM C
D
E
CONTENTS
INDEX FOR DTC ....................................................... 9 . TROUBLE DIAGNOSIS ........................................... 74 . F
Alphabetical Index ................................................... 9 . Trouble Diagnosis Introduction .............................. 74 .
DTC No. Index ...................................................... 13 . DTC Inspection Priority Chart ................................ 79 .
PRECAUTIONS ....................................................... 17 . Fail-safe Chart ....................................................... 81
. G
Precautions for Supplemental Restraint System Basic Inspection .................................................... 82 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Symptom Matrix Chart ........................................... 87 .
SIONER" ............................................................... 17. Engine Control Component Parts Location ........... 91 .
H
On Board Diagnostic (OBD) System of Engine and Circuit Diagram ...................................................... 97.
A/T ......................................................................... 17
. ECM Harness Connector Terminal Layout ............ 99 .
Precaution ............................................................. 17
. ECM Terminals and Reference Value .................... 99 .
Wiring Diagrams and Trouble Diagnosis ............... 20 . CONSULT-II Function .......................................... 108 . I
PREPARATION ........................................................ 21 . Generic Scan Tool (GST) Function ...................... 121 .
Special Service Tools ............................................ 21 . CONSULT-II Reference Value in Data Monitor Mode
Commercial Service Tools ..................................... 21 . . 123 J
ENGINE CONTROL SYSTEM ................................. 23 . Major Sensor Reference Graph in Data Monitor
System Diagram .................................................... 23 . Mode .................................................................... 126
.
Vacuum Hose Drawing .......................................... 24 . TROUBLE DIAGNOSIS - SPECIFICATION VALUE 128 .
K
System Chart ........................................................ 25 . Description ........................................................... 128
.
Multiport Fuel Injection (MFI) System ................... 26 . Testing Condition ................................................. 128 .
Electronic Ignition (EI) System .............................. 28 . Inspection Procedure ........................................... 128 .
Nissan Torque Demand (NTD) Control System .... 29 . Diagnostic Procedure .......................................... 129 . L
Air Conditioning Cut Control .................................. 30 . TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
Fuel Cut Control (at No Load and High Engine DENT ...................................................................... 132
.
Speed) ................................................................... 30
. Description ........................................................... 132
. M
CAN communication ............................................. 30 . Diagnostic Procedure .......................................... 132 .
BASIC SERVICE PROCEDURE ............................. 34 . POWER SUPPLY CIRCUIT FOR ECM .................. 133 .
Idle Speed and Ignition Timing Check ................... 34 . Wiring Diagram .................................................... 133 .
Idle Speed/Ignition Timing/Idle Mixture Ratio Diagnostic Procedure .......................................... 136 .
Adjustment ............................................................ 35. Component Inspection ......................................... 140 .
Accelerator Pedal Released Position Learning ..... 46 . DTC U1000, U1001 CAN COMMUNICATION LINE. 141
Throttle Valve Closed Position Learning ............... 46 . Description ........................................................... 141
.
Idle Air Volume Learning ....................................... 46 . On Board Diagnosis Logic ................................... 141 .
Fuel Pressure Check ............................................. 48 . DTC Confirmation Procedure .............................. 141 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 51 . Wiring Diagram .................................................... 142 .
Introduction ........................................................... 51
. Diagnostic Procedure .......................................... 143 .
Two Trip Detection Logic ....................................... 51 . DTC P0011, P0021 IVT CONTROL ....................... 144 .
Emission-related Diagnostic Information ............... 52 . Description ........................................................... 144
.
IVIS (Infiniti Vehicle Immobilizer System -- NATS) 65 ... CONSULT-II Reference Value in Data Monitor Mode
Malfunction Indicator Lamp (MIL) .......................... 65 . . 145
OBD System Operation Chart ............................... 69 . On Board Diagnosis Logic ................................... 145 .
Revision; 2004 April EC-1 2003 Q45
DTC Confirmation Procedure .............................. 146 . Diagnostic Procedure ........................................... 193
.
Wiring Diagram .................................................... 147
. Component Inspection ......................................... 194.
Diagnostic Procedure .......................................... 151 . Removal and Installation ...................................... 194
.
Component Inspection ......................................... 154 . DTC P0122, P0123 TP SENSOR ........................... 195 .
Removal and Installation ..................................... 154 . Component Description ....................................... 195 .
DTC P0031, P0032, P0051, P0052 HO2S1 HEATER 155 . CONSULT-II Reference Value in Data Monitor Mode
Description ........................................................... 155
. .195
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 195 .
. 155 DTC Confirmation Procedure ............................... 196 .
On Board Diagnosis Logic ................................... 155 . Wiring Diagram .................................................... 197
.
DTC Confirmation Procedure .............................. 156 . Diagnostic Procedure ........................................... 198
.
Wiring Diagram .................................................... 157
. Component Inspection ......................................... 200.
Diagnostic Procedure .......................................... 160 . Removal and Installation ...................................... 200
.
Component Inspection ......................................... 162 . DTC P0125 ECT SENSOR ..................................... 201 .
Removal and Installation ..................................... 162 . Component Description ....................................... 201 .
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER 163 . On Board Diagnosis Logic ................................... 201 .
Description ........................................................... 163
. DTC Confirmation Procedure ............................... 202 .
CONSULT-II Reference Value in Data Monitor Mode Wiring Diagram .................................................... 203
.
. 163 Diagnostic Procedure ........................................... 204
.
On Board Diagnosis Logic ................................... 163 . Component Inspection ......................................... 204.
DTC Confirmation Procedure .............................. 164 . Removal and Installation ...................................... 204
.
Wiring Diagram .................................................... 165
. DTC P0127 IAT SENSOR ....................................... 205 .
Diagnostic Procedure .......................................... 168 . Component Description ....................................... 205 .
Component Inspection ......................................... 170 . On Board Diagnosis Logic ................................... 205 .
Removal and Installation ..................................... 170 . DTC Confirmation Procedure ............................... 206 .
DTC P0101 MAF SENSOR .................................... 171 . Wiring Diagram .................................................... 207
.
Component Description ....................................... 171 . Diagnostic Procedure ........................................... 208
.
CONSULT-II Reference Value in Data Monitor Mode Component Inspection ......................................... 209.
. 171 Removal and Installation ...................................... 209
.
On Board Diagnosis Logic ................................... 171 . DTC P0128 THERMOSTAT FUNCTION ................ 210 .
DTC Confirmation Procedure .............................. 172 . On Board Diagnosis Logic ................................... 210 .
Overall Function Check ....................................... 173 . DTC Confirmation Procedure ............................... 210 .
Wiring Diagram .................................................... 174
. Diagnostic Procedure ........................................... 210
.
Diagnostic Procedure .......................................... 175 . Component Inspection ......................................... 211.
Component Inspection ......................................... 177 . Removal and Installation ...................................... 211
.
Removal and Installation ..................................... 178 . DTC P0132, P0152 HO2S1 .................................... 212 .
DTC P0102, P0103 MAF SENSOR ........................ 179 . Component Description ....................................... 212 .
Component Description ....................................... 179 . CONSULT-II Reference Value in Data Monitor Mode
CONSULT-II Reference Value in Data Monitor Mode .212
. 179 On Board Diagnosis Logic ................................... 212 .
On Board Diagnosis Logic ................................... 179 . DTC Confirmation Procedure ............................... 213 .
DTC Confirmation Procedure .............................. 180 . Wiring Diagram .................................................... 214
.
Wiring Diagram .................................................... 181
. Diagnostic Procedure ........................................... 217
.
Diagnostic Procedure .......................................... 182 . Component Inspection ......................................... 219.
Component Inspection ......................................... 184 . Removal and Installation ...................................... 220
.
Removal and Installation ..................................... 185 . DTC P0133, P0153 HO2S1 .................................... 221 .
DTC P0112, P0113 IAT SENSOR .......................... 186 . Component Description ....................................... 221 .
Component Description ....................................... 186 . CONSULT-II Reference Value in Data Monitor Mode
On Board Diagnosis Logic ................................... 186 . .221
DTC Confirmation Procedure .............................. 186 . On Board Diagnosis Logic ................................... 221 .
Wiring Diagram .................................................... 187
. DTC Confirmation Procedure ............................... 222 .
Diagnostic Procedure .......................................... 188 . Overall Function Check ........................................ 223
.
Component Inspection ......................................... 189 . Wiring Diagram .................................................... 224
.
Removal and Installation ..................................... 189 . Diagnostic Procedure ........................................... 227
.
DTC P0117, P0118 ECT SENSOR ......................... 190 . Component Inspection ......................................... 231.
Component Description ....................................... 190 . Removal and Installation ...................................... 232
.
On Board Diagnosis Logic ................................... 190 . DTC P0134, P0154 HO2S1 .................................... 233 .
DTC Confirmation Procedure .............................. 191 . Component Description ....................................... 233 .
Wiring Diagram .................................................... 192
. CONSULT-II Reference Value in Data Monitor Mode
Revision; 2004 April EC-2 2003 Q45
. 233 CONSULT-II Reference Value in Data Monitor Mode
On Board Diagnosis Logic .................................. 233 . . 291 A
DTC Confirmation Procedure .............................. 234 . On Board Diagnosis Logic ................................... 291 .
Overall Function Check ....................................... 235 . DTC Confirmation Procedure .............................. 291 .
Wiring Diagram ................................................... 236
. Wiring Diagram .................................................... 293 . EC
Diagnostic Procedure .......................................... 239 . Diagnostic Procedure .......................................... 294 .
Component Inspection ........................................ 240 . Component Inspection ......................................... 296 .
Removal and Installation ..................................... 241 . Removal and Installation ..................................... 296 .
DTC P0138, P0158 HO2S2 ................................... 242 . DTC P0300 - P0308 NO. 8 - 1 CYLINDER MISFIRE, C
Component Description ....................................... 242 . MULTIPLE CYLINDER MISFIRE ........................... 297 .
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 297 .
. 242 DTC Confirmation Procedure .............................. 298 . D
On Board Diagnosis Logic .................................. 242 . Diagnostic Procedure .......................................... 298 .
DTC Confirmation Procedure .............................. 243 . DTC P0327, P0328, P0332, P0333 KS .................. 303 .
Wiring Diagram ................................................... 244
. Component Description ....................................... 303 . E
Diagnostic Procedure .......................................... 247 . On Board Diagnosis Logic ................................... 303 .
Component Inspection ........................................ 250 . DTC Confirmation Procedure .............................. 303 .
Removal and Installation ..................................... 252 . Wiring Diagram .................................................... 304 .
DTC P0139, P0159 HO2S2 ................................... 253 . Diagnostic Procedure .......................................... 305 . F
Component Description ....................................... 253 . Component Inspection ......................................... 306 .
CONSULT-II Reference Value in Data Monitor Mode Removal and Installation ..................................... 306 .
. 253 DTC P0335 CKP SENSOR (POS) ......................... 307 . G
On Board Diagnosis Logic .................................. 253 . Component Description ....................................... 307 .
DTC Confirmation Procedure .............................. 254 . CONSULT-II Reference Value in Data Monitor Mode
Overall Function Check ....................................... 254 . . 307 H
Wiring Diagram ................................................... 256
. On Board Diagnosis Logic ................................... 307 .
Diagnostic Procedure .......................................... 259 . DTC Confirmation Procedure .............................. 307 .
Component Inspection ........................................ 262 . Wiring Diagram .................................................... 308 .
I
Removal and Installation ..................................... 264 . Diagnostic Procedure .......................................... 311 .
DTC P0171, P0174 FUEL INJECTION SYSTEM Component Inspection ......................................... 314 .
FUNCTION ............................................................. 265
. Removal and Installation ..................................... 314 .
On Board Diagnosis Logic .................................. 265 . DTC P0340 CMP SENSOR (PHASE) .................... 315 . J
DTC Confirmation Procedure .............................. 265 . Component Description ....................................... 315 .
Wiring Diagram ................................................... 267
. On Board Diagnosis Logic ................................... 315 .
Diagnostic Procedure .......................................... 269 . DTC Confirmation Procedure .............................. 315 . K
DTC P0172, P0175 FUEL INJECTION SYSTEM Wiring Diagram .................................................... 316 .
FUNCTION ............................................................. 274
. Diagnostic Procedure .......................................... 317 .
On Board Diagnosis Logic .................................. 274 . Component Inspection ......................................... 319 . L
DTC Confirmation Procedure .............................. 274 . Removal and Installation ..................................... 319 .
Wiring Diagram ................................................... 276
. DTC P0420, P0430 THREE WAY CATALYST FUNC-
Diagnostic Procedure .......................................... 278 . TION ....................................................................... 320
.
DTC P0181 FTT SENSOR ..................................... 282 . On Board Diagnosis Logic ................................... 320 . M
Component Description ....................................... 282 . DTC Confirmation Procedure .............................. 320 .
On Board Diagnosis Logic .................................. 282 . Overall Function Check ....................................... 321 .
DTC Confirmation Procedure .............................. 282 . Diagnostic Procedure .......................................... 322 .
Wiring Diagram ................................................... 284
. DTC P0441 EVAP CONTROL SYSTEM ................ 325 .
Diagnostic Procedure .......................................... 285 . System Description .............................................. 325 .
Component Inspection ........................................ 286 . On Board Diagnosis Logic ................................... 325 .
Removal and Installation ..................................... 286 . DTC Confirmation Procedure .............................. 325 .
DTC P0182, P0183 FTT SENSOR ........................ 287 . Overall Function Check ....................................... 326 .
Component Description ....................................... 287 . Diagnostic Procedure .......................................... 327 .
On Board Diagnosis Logic .................................. 287 . DTC P0442 EVAP CONTROL SYSTEM ................ 330 .
DTC Confirmation Procedure .............................. 287 . On Board Diagnosis Logic ................................... 330 .
Wiring Diagram ................................................... 288
. DTC Confirmation Procedure .............................. 331 .
Diagnostic Procedure .......................................... 289 . Diagnostic Procedure .......................................... 332 .
Component Inspection ........................................ 290 . Component Inspection ......................................... 338 .
Removal and Installation ..................................... 290 . DTC P0444, P0445 EVAP CANISTER PURGE VOL-
DTC P0222, P0223 TP SENSOR .......................... 291 . UME CONTROL SOLENOID VALVE ..................... 339 .
Component Description ....................................... 291 . Description ........................................................... 339
.
Revision; 2004 April EC-3 2003 Q45
CONSULT-II Reference Value in Data Monitor Mode DTC P0462, P0463 FUEL LEVEL SENSOR .......... 391 .
. 339 Component Description ....................................... 391 .
On Board Diagnosis Logic ................................... 340 . On Board Diagnosis Logic ................................... 391 .
DTC Confirmation Procedure .............................. 340 . DTC Confirmation Procedure ............................... 391 .
Wiring Diagram .................................................... 341 . Wiring Diagram .................................................... 392
.
Diagnostic Procedure .......................................... 342 . Diagnostic Procedure ........................................... 393 .
Component Inspection ......................................... 344 . Removal and Installation ...................................... 394 .
Removal and Installation ..................................... 344 . DTC P0500 VSS ..................................................... 395.
DTC P0447 EVAP CANISTER VENT CONTROL Description ........................................................... 395
.
VALVE .................................................................... 345
. On Board Diagnosis Logic ................................... 395 .
Component Description ....................................... 345 . DTC Confirmation Procedure ............................... 395 .
CONSULT-II Reference Value in Data Monitor Mode Overall Function Check ........................................ 396 .
. 345 Diagnostic Procedure ........................................... 396 .
On Board Diagnosis Logic ................................... 345 . DTC P0506 ISC SYSTEM ...................................... 397 .
DTC Confirmation Procedure .............................. 346 . Description ........................................................... 397
.
Wiring Diagram .................................................... 347 . On Board Diagnosis Logic ................................... 397 .
Diagnostic Procedure .......................................... 348 . DTC Confirmation Procedure ............................... 397 .
Component Inspection ......................................... 350 . Diagnostic Procedure ........................................... 398 .
DTC P0452 EVAP CONTROL SYSTEM PRESSURE DTC P0507 ISC SYSTEM ...................................... 399 .
SENSOR ................................................................. 352
. Description ........................................................... 399
.
Component Description ....................................... 352 . On Board Diagnosis Logic ................................... 399 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 399 .
. 352 Diagnostic Procedure ........................................... 400 .
On Board Diagnosis Logic ................................... 352 . DTC P0550 PSP SENSOR ..................................... 401 .
DTC Confirmation Procedure .............................. 353 . Component Description ....................................... 401 .
Wiring Diagram .................................................... 354 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 355 . .401
Component Inspection ......................................... 357 . On Board Diagnosis Logic ................................... 401 .
DTC P0453 EVAP CONTROL SYSTEM PRESSURE DTC Confirmation Procedure ............................... 401 .
SENSOR ................................................................. 359
. Wiring Diagram .................................................... 402
.
Component Description ....................................... 359 . Diagnostic Procedure ........................................... 403 .
CONSULT-II Reference Value in Data Monitor Mode Component Inspection ......................................... 406 .
. 359 DTC P0605 ECM .................................................... 407 .
On Board Diagnosis Logic ................................... 359 . Component Description ....................................... 407 .
DTC Confirmation Procedure .............................. 360 . On Board Diagnosis Logic ................................... 407 .
Wiring Diagram .................................................... 361 . DTC Confirmation Procedure ............................... 407 .
Diagnostic Procedure .......................................... 362 . Diagnostic Procedure ........................................... 408 .
Component Inspection ......................................... 365 . DTC P0650 MIL ...................................................... 410
.
DTC P0455 EVAP CONTROL SYSTEM ................ 367 . Component Description ....................................... 410 .
On Board Diagnosis Logic ................................... 367 . On Board Diagnosis Logic ................................... 410 .
DTC Confirmation Procedure .............................. 368 . DTC Confirmation Procedure ............................... 410 .
Diagnostic Procedure .......................................... 369 . Wiring Diagram .................................................... 411
.
DTC P0456 EVAP CONTROL SYSTEM ................ 375 . Diagnostic Procedure ........................................... 412 .
On Board Diagnosis Logic ................................... 375 . DTC P1065 ECM POWER SUPPLY ....................... 414 .
DTC Confirmation Procedure .............................. 376 . Component Description ....................................... 414 .
Overall Function Check ....................................... 377 . On Board Diagnosis Logic ................................... 414 .
Diagnostic Procedure .......................................... 378 . DTC Confirmation Procedure ............................... 414 .
Component Inspection ......................................... 383 . Wiring Diagram .................................................... 415
.
DTC P0460 FUEL LEVEL SENSOR ...................... 384 . Diagnostic Procedure ........................................... 416 .
Component Description ....................................... 384 . DTC P1102 MAF SENSOR .................................... 418 .
On Board Diagnosis Logic ................................... 384 . Component Description ....................................... 418 .
DTC Confirmation Procedure .............................. 384 . CONSULT-II Reference Value in Data Monitor Mode
Wiring Diagram .................................................... 385 . .418
Diagnostic Procedure .......................................... 386 . On Board Diagnosis Logic ................................... 418 .
Removal and Installation ..................................... 388 . DTC Confirmation Procedure ............................... 419 .
DTC P0461 FUEL LEVEL SENSOR ...................... 389 . Wiring Diagram .................................................... 420
.
Component Description ....................................... 389 . Diagnostic Procedure ........................................... 421 .
On Board Diagnosis Logic ................................... 389 . Component Inspection ......................................... 423 .
Overall Function Check ....................................... 389 . Removal and Installation ...................................... 423 .
Revision; 2004 April EC-4 2003 Q45
DTC P1111, P1136 IVT CONTROL SOLENOID DTC Confirmation Procedure .............................. 455 .
VALVE .................................................................... 424
. Wiring Diagram .................................................... 456
. A
Component Description ....................................... 424 . Diagnostic Procedure .......................................... 459 .
CONSULT-II Reference Value in Data Monitor Mode Component Inspection ......................................... 461 .
. 424 Removal and Installation ..................................... 462 . EC
On Board Diagnosis Logic .................................. 424 . DTC P1143, P1163 HO2S1 .................................... 463 .
DTC Confirmation Procedure .............................. 424 . Component Description ....................................... 463 .
Wiring Diagram ................................................... 425 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 428 . . 463 C
Component Inspection ........................................ 429 . On Board Diagnosis Logic ................................... 463 .
Removal and Installation ..................................... 429 . DTC Confirmation Procedure .............................. 464 .
DTC P1119 RADIATOR COOLANT TEMPERA- Overall Function Check ....................................... 465 . D
TURE SENSOR ..................................................... 430 . Diagnostic Procedure .......................................... 465 .
Component Description ....................................... 430 . Component Inspection ......................................... 467 .
On Board Diagnosis Logic .................................. 430 . Removal and Installation ..................................... 468 . E
DTC Confirmation Procedure .............................. 431 . DTC P1144, P1164 HO2S1 .................................... 469 .
Wiring Diagram ................................................... 432 . Component Description ....................................... 469 .
Diagnostic Procedure .......................................... 433 . CONSULT-II Reference Value in Data Monitor Mode
Component Inspection ........................................ 434 . . 469 F
Removal and Installation ..................................... 434 . On Board Diagnosis Logic ................................... 469 .
DTC P1121 ELECTRIC THROTTLE CONTROL DTC Confirmation Procedure .............................. 470 .
ACTUATOR ........................................................... 435 . Overall Function Check ....................................... 471 . G
Component Description ....................................... 435 . Diagnostic Procedure .......................................... 471 .
On Board Diagnosis Logic .................................. 435 . Component Inspection ......................................... 473 .
DTC Confirmation Procedure .............................. 435 . Removal and Installation ..................................... 475 . H
Diagnostic Procedure .......................................... 436 . DTC P1146, P1166 HO2S2 .................................... 476 .
DTC P1122 ELECTRIC THROTTLE CONTROL Component Description ....................................... 476 .
FUNCTION ............................................................. 437. CONSULT-II Reference Value in Data Monitor Mode
I
Description .......................................................... 437
. . 476
On Board Diagnosis Logic .................................. 437 . On Board Diagnosis Logic ................................... 476 .
DTC Confirmation Procedure .............................. 437 . DTC Confirmation Procedure .............................. 477 .
Wiring Diagram ................................................... 438 . Overall Function Check ....................................... 477 . J
Diagnostic Procedure .......................................... 439 . Wiring Diagram .................................................... 479
.
Component Inspection ........................................ 442 . Diagnostic Procedure .......................................... 482 .
Remove and Installation ...................................... 443 . Component Inspection ......................................... 485 . K
DTC P1124, P1126 THROTTLE CONTROL MOTOR Removal and Installation ..................................... 487 .
RELAY ................................................................... 444
. DTC P1147, P1167 HO2S2 .................................... 488 .
Component Description ....................................... 444 . Component Description ....................................... 488 . L
CONSULT-II Reference Value in Data Monitor Mode CONSULT-II Reference Value in Data Monitor Mode
. 444 . 488
On Board Diagnosis Logic .................................. 444 . On Board Diagnosis Logic ................................... 488 .
DTC Confirmation Procedure .............................. 444 . DTC Confirmation Procedure .............................. 489 . M
Wiring Diagram ................................................... 446 . Overall Function Check ....................................... 489 .
Diagnostic Procedure .......................................... 447 . Wiring Diagram .................................................... 491
.
Component Inspection ........................................ 448 . Diagnostic Procedure .......................................... 494 .
DTC P1128 THROTTLE CONTROL MOTOR ....... 450 . Component Inspection ......................................... 497 .
Component Description ....................................... 450 . Removal and Installation ..................................... 499 .
On Board Diagnosis Logic .................................. 450 . DTC P1148, P1168 CLOSED LOOP CONTROL ... 500 .
DTC Confirmation Procedure .............................. 450 . On Board Diagnosis Logic ................................... 500 .
Wiring Diagram ................................................... 451 . DTC Confirmation Procedure .............................. 500 .
Diagnostic Procedure .......................................... 452 . Overall Function Check ....................................... 501 .
Component Inspection ........................................ 453 . Diagnostic Procedure .......................................... 501 .
Removal and Installation ..................................... 454 . DTC P1211 TCS CONTROL UNIT ......................... 502 .
DTC P1140, P1145 IVT CONTROL POSITION SEN- Description ........................................................... 502
.
SOR ....................................................................... 455
. On Board Diagnosis Logic ................................... 502 .
Component Description ....................................... 455 . DTC Confirmation Procedure .............................. 502 .
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure .......................................... 502 .
. 455 DTC P1212 TCS COMMUNICATION LINE ........... 503 .
On Board Diagnosis Logic .................................. 455 . Description ........................................................... 503
.
Revision; 2004 April EC-5 2003 Q45
On Board Diagnosis Logic ................................... 503 . .546
DTC Confirmation Procedure .............................. 503 . On Board Diagnosis Logic ................................... 546 .
Diagnostic Procedure .......................................... 503 . DTC Confirmation Procedure ............................... 547 .
DTC P1217 ENGINE OVER TEMPERATURE ....... 504 . Wiring Diagram .................................................... 548 .
Description ........................................................... 504
. Diagnostic Procedure ........................................... 549 .
CONSULT-II Reference Value in Data Monitor Mode Component Inspection ......................................... 551 .
. 505 DTC P1448 EVAP CANISTER VENT CONTROL
On Board Diagnosis Logic ................................... 505 . VALVE ..................................................................... 552
.
Overall Function Check ....................................... 506 . Component Description ....................................... 552 .
Wiring Diagram .................................................... 508. CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 509 . .552
Main 12 Causes of Overheating .......................... 512 . On Board Diagnosis Logic ................................... 552 .
DTC P1220 FUEL PUMP CONTROL MODULE DTC Confirmation Procedure ............................... 553 .
(FPCM) ................................................................... 513
. Overall Function Check ........................................ 554 .
Description ........................................................... 513
. Wiring Diagram .................................................... 555 .
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure ........................................... 556 .
. 513 Component Inspection ......................................... 558 .
On Board Diagnosis Logic ................................... 513 . DTC P1456 EVAP CONTROL SYSTEM ................ 559 .
DTC Confirmation Procedure .............................. 514 . On Board Diagnosis Logic ................................... 559 .
Wiring Diagram .................................................... 515. DTC Confirmation Procedure ............................... 560 .
Diagnostic Procedure .......................................... 517 . Overall Function Check ........................................ 561 .
Component Inspection ......................................... 519 . Diagnostic Procedure ........................................... 562 .
DTC P1225 TP SENSOR ....................................... 521 . Component Inspection ......................................... 567 .
Component Description ....................................... 521 . DTC P1464 FUEL LEVEL SENSOR ...................... 568 .
On Board Diagnosis Logic ................................... 521 . Component Description ....................................... 568 .
DTC Confirmation Procedure .............................. 521 . On Board Diagnosis Logic ................................... 568 .
Diagnostic Procedure .......................................... 522 . DTC Confirmation Procedure ............................... 568 .
Removal and Installation ..................................... 522 . Wiring Diagram .................................................... 569 .
DTC P1226 TP SENSOR ....................................... 523 . Diagnostic Procedure ........................................... 570 .
Component Description ....................................... 523 . Removal and Installation ...................................... 570 .
On Board Diagnosis Logic ................................... 523 . DTC P1480 COOLING FAN SPEED CONTROL
DTC Confirmation Procedure .............................. 523 . SOLENOID VALVE ................................................. 571 .
Diagnostic Procedure .......................................... 524 . Description ........................................................... 571
.
Removal and Installation ..................................... 524 . CONSULT-II Reference Value in Data Monitor Mode
DTC P1229 SENSOR POWER SUPPLY ............... 525 . .572
On Board Diagnosis Logic ................................... 525 . On Board Diagnosis Logic ................................... 572 .
DTC Confirmation Procedure .............................. 525 . DTC Confirmation Procedure ............................... 572 .
Wiring Diagram .................................................... 526. Wiring Diagram .................................................... 574 .
Diagnostic Procedure .......................................... 527 . Diagnostic Procedure ........................................... 575 .
DTC P1442 EVAP CONTROL SYSTEM ................ 529 . Component Inspection ......................................... 576 .
On Board Diagnosis Logic ................................... 529 . Removal and Installation ...................................... 576 .
DTC Confirmation Procedure .............................. 530 . DTC P1490 VACUUM CUT VALVE BYPASS VALVE.577
Diagnostic Procedure .......................................... 531 . Description ........................................................... 577
.
Component Inspection ......................................... 537 . CONSULT-II Reference Value in Data Monitor Mode
DTC P1444 EVAP CANISTER PURGE VOLUME .577
CONTROL SOLENOID VALVE .............................. 538 . On Board Diagnosis Logic ................................... 577 .
Description ........................................................... 538
. DTC Confirmation Procedure ............................... 578 .
CONSULT-II Reference Value in Data Monitor Mode Wiring Diagram .................................................... 579 .
. 538 Diagnostic Procedure ........................................... 580 .
On Board Diagnosis Logic ................................... 539 . Component Inspection ......................................... 582 .
DTC Confirmation Procedure .............................. 539 . DTC P1491 VACUUM CUT VALVE BYPASS VALVE.583
Wiring Diagram .................................................... 540. Description ........................................................... 583
.
Diagnostic Procedure .......................................... 541 . CONSULT-II Reference Value in Data Monitor Mode
Component Inspection ......................................... 544 . .583
Removal and Installation ..................................... 545 . On Board Diagnosis Logic ................................... 583 .
DTC P1446 EVAP CANISTER VENT CONTROL DTC Confirmation Procedure ............................... 584 .
VALVE .................................................................... 546
. Overall Function Check ........................................ 584 .
Component Description ....................................... 546 . Wiring Diagram .................................................... 586 .
CONSULT-II Reference Value in Data Monitor Mode
Revision; 2004 April EC-6 2003 Q45
Diagnostic Procedure .......................................... 587 . Wiring Diagram .................................................... 621 .
Component Inspection ........................................ 590 . Diagnostic Procedure .......................................... 622 . A
DTC P1706 PNP SWITCH ..................................... 592 . Component Inspection ......................................... 624 .
Component Description ....................................... 592 . Removal and Installation ..................................... 625 .
CONSULT-II Reference Value in Data Monitor Mode DTC P2138 APP SENSOR .................................... 626 . EC
. 592 Component Description ....................................... 626 .
On Board Diagnosis Logic .................................. 592 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 592 . . 626
Overall Function Check ....................................... 593 . On Board Diagnosis Logic ................................... 626 . C
Wiring Diagram ................................................... 594 . DTC Confirmation Procedure .............................. 627 .
Diagnostic Procedure .......................................... 595 . Wiring Diagram .................................................... 628 .
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