Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G35 2003-2005 Coupe Sedan Approved Infiniti G35 Coupe 2003 ec
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ENGINE CONTROL SYSTEM
B ENGINE
A
ENGINE CONTROL SYSTEM
SECTION EC EC
C
D
E
CONTENTS
INDEX FOR DTC ....................................................... 8 . TROUBLE DIAGNOSIS ........................................... 75 . F
Alphabetical Index ................................................... 8 . Trouble Diagnosis Introduction .............................. 75 .
DTC No. Index ...................................................... 12 . DTC Inspection Priority Chart ................................ 78 .
PRECAUTIONS ....................................................... 16 . Fail-Safe Chart ...................................................... 80. G
Precautions for Supplemental Restraint System Basic Inspection .................................................... 81 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Symptom Matrix Chart ........................................... 86 .
SIONER" ............................................................... 16. Engine Control Component Parts Location ........... 90 .
H
Precautions for Battery Service ............................. 16 . Circuit Diagram ...................................................... 96.
On Board Diagnostic (OBD) System of Engine and ECM Harness Connector Terminal Layout ............ 98 .
A/T ......................................................................... 16
. ECM Terminals and Reference Value .................... 98 .
Precaution ............................................................. 17
. CONSULT-II Function .......................................... 107 . I
Wiring Diagrams and Trouble Diagnosis ............... 19 . Generic Scan Tool (GST) Function ...................... 119 .
PREPARATION ........................................................ 20 . CONSULT-II Reference Value in Data Monitor Mode
Special Service Tools ............................................ 20 . . 122 J
Commercial Service Tools ..................................... 21 . Major Sensor Reference Graph in Data Monitor
ENGINE CONTROL SYSTEM ................................. 22 . Mode .................................................................... 125
.
System Diagram .................................................... 22 . TROUBLE DIAGNOSIS - SPECIFICATION VALUE 128 .
K
Vacuum Hose Drawing .......................................... 23 . Description ........................................................... 128
.
System Chart ........................................................ 24 . Testing Condition ................................................. 128 .
Multiport Fuel Injection (MFI) System ................... 25 . Inspection Procedure ........................................... 128 .
Electronic Ignition (EI) System .............................. 27 . Diagnostic Procedure .......................................... 129 . L
Air Conditioning Cut Control .................................. 28 . TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
Fuel Cut Control (at No Load and High Engine DENT ...................................................................... 132
.
Speed) ................................................................... 28
. Description ........................................................... 132
. M
CAN communication ............................................. 29 . 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. DTC U1000, U1001 CAN COMMUNICATION LINE. 140
Accelerator Pedal Released Position Learning ..... 46 . Description ........................................................... 140
.
Throttle Valve Closed Position Learning ............... 46 . On Board Diagnosis Logic ................................... 140 .
Idle Air Volume Learning ....................................... 46 . DTC Confirmation Procedure .............................. 140 .
Fuel Pressure Check ............................................. 48 . Wiring Diagram .................................................... 141 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 50 . Diagnostic Procedure .......................................... 142 .
Introduction ........................................................... 50
. DTC P0011, P0021 IVT CONTROL ....................... 143 .
Two Trip Detection Logic ....................................... 50 . Description ........................................................... 143
.
Emission-Related Diagnostic Information ............. 51 . CONSULT-II Reference Value in Data Monitor Mode
IVIS (Infiniti Vehicle Immobilizer System -- NATS) 66 ... . 143
Malfunction Indicator Lamp (MIL) .......................... 66 . On Board Diagnosis Logic ................................... 144 .
OBD System Operation Chart ............................... 70 .
Revision; 2004 April EC-1 2003 G35 Coupe
DTC Confirmation Procedure .............................. 144 . DTC P0122, P0123 TP SENSOR ........................... 187 .
Diagnostic Procedure .......................................... 145 . Component Description ....................................... 187 .
DTC P0031, P0032, P0051, P0052 HO2S1 HEATER 146 . CONSULT-II Reference Value in Data Monitor Mode
Description ........................................................... 146
. .187
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 187 .
. 146 DTC Confirmation Procedure ............................... 188 .
On Board Diagnosis Logic ................................... 146 . Wiring Diagram .................................................... 189
.
DTC Confirmation Procedure .............................. 147 . Diagnostic Procedure ........................................... 190
.
Wiring Diagram .................................................... 148
. Component Inspection ......................................... 193.
Diagnostic Procedure .......................................... 151 . Removal and Installation ...................................... 193
.
Component Inspection ......................................... 153 . DTC P0125 ECT SENSOR ..................................... 194 .
Removal and Installation ..................................... 153 . Component Description ....................................... 194 .
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER 154 . On Board Diagnosis Logic ................................... 194 .
Description ........................................................... 154
. DTC Confirmation Procedure ............................... 195 .
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure ........................................... 195
.
. 154 Component Inspection ......................................... 196.
On Board Diagnosis Logic ................................... 154 . Removal and Installation ...................................... 196
.
DTC Confirmation Procedure .............................. 155 . DTC P0127 IAT SENSOR ....................................... 197 .
Wiring Diagram .................................................... 156
. Component Description ....................................... 197 .
Diagnostic Procedure .......................................... 159 . On Board Diagnosis Logic ................................... 197 .
Component Inspection ......................................... 161 . DTC Confirmation Procedure ............................... 197 .
Removal and Installation ..................................... 161 . Diagnostic Procedure ........................................... 198
.
DTC P0101 MAF SENSOR .................................... 162 . Component Inspection ......................................... 198.
Component Description ....................................... 162 . Removal and Installation ...................................... 199
.
CONSULT-II Reference Value in Data Monitor Mode DTC P0128 THERMOSTAT FUNCTION ................ 200 .
. 162 On Board Diagnosis Logic ................................... 200 .
On Board Diagnosis Logic ................................... 162 . DTC Confirmation Procedure ............................... 200 .
DTC Confirmation Procedure .............................. 163 . Diagnostic Procedure ........................................... 200
.
Overall Function Check ....................................... 164 . Component Inspection ......................................... 201.
Wiring Diagram .................................................... 165
. Removal and Installation ...................................... 201
.
Diagnostic Procedure .......................................... 166 . DTC P0132, P0152 HO2S1 .................................... 202 .
Component Inspection ......................................... 169 . Component Description ....................................... 202 .
Removal and Installation ..................................... 169 . CONSULT-II Reference Value in Data Monitor Mode
DTC P0102, P0103 MAF SENSOR ........................ 170 . .202
Component Description ....................................... 170 . On Board Diagnosis Logic ................................... 202 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 203 .
. 170 Wiring Diagram .................................................... 204
.
On Board Diagnosis Logic ................................... 170 . Diagnostic Procedure ........................................... 207
.
DTC Confirmation Procedure .............................. 171 . Component Inspection ......................................... 210.
Wiring Diagram .................................................... 172
. Removal and Installation ...................................... 211
.
Diagnostic Procedure .......................................... 173 . DTC P0133, P0153 HO2S1 .................................... 212 .
Component Inspection ......................................... 176 . Component Description ....................................... 212 .
Removal and Installation ..................................... 176 . CONSULT-II Reference Value in Data Monitor Mode
DTC P0112, P0113 IAT SENSOR .......................... 177 . .212
Component Description ....................................... 177 . On Board Diagnosis Logic ................................... 212 .
On Board Diagnosis Logic ................................... 177 . DTC Confirmation Procedure ............................... 213 .
DTC Confirmation Procedure .............................. 177 . Overall Function Check ........................................ 214
.
Wiring Diagram .................................................... 179
. Wiring Diagram .................................................... 215
.
Diagnostic Procedure .......................................... 180 . Diagnostic Procedure ........................................... 218
.
Component Inspection ......................................... 181 . Component Inspection ......................................... 223.
Removal and Installation ..................................... 181 . Removal and Installation ...................................... 224
.
DTC P0117, P0118 ECT SENSOR ......................... 182 . DTC P0134, P0154 HO2S1 .................................... 225 .
Component Description ....................................... 182 . Component Description ....................................... 225 .
On Board Diagnosis Logic ................................... 182 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 183 . .225
Wiring Diagram .................................................... 184
. On Board Diagnosis Logic ................................... 225 .
Diagnostic Procedure .......................................... 185 . DTC Confirmation Procedure ............................... 226 .
Component Inspection ......................................... 186 . Overall Function Check ........................................ 227
.
Removal and Installation ..................................... 186 . Wiring Diagram .................................................... 228
.
Revision; 2004 April EC-2 2003 G35 Coupe
Diagnostic Procedure .......................................... 231 . Diagnostic Procedure .......................................... 286 .
Component Inspection ........................................ 232 . Component Inspection ......................................... 289 . A
Removal and Installation ..................................... 234 . Removal and Installation ..................................... 289 .
DTC P0138, P0158 HO2S2 ................................... 235 . DTC P0300 - P0306 MULTIPLE CYLINDER MIS-
Component Description ....................................... 235 . FIRE, NO. 1 - 6 CYLINDER MISFIRE .................... 290 . EC
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 290 .
. 235 DTC Confirmation Procedure .............................. 290 .
On Board Diagnosis Logic .................................. 235 . Diagnostic Procedure .......................................... 291 .
DTC Confirmation Procedure .............................. 236 . DTC P0327, P0328 KS .......................................... 296 . C
Wiring Diagram ................................................... 237
. Component Description ....................................... 296 .
Diagnostic Procedure .......................................... 240 . On Board Diagnosis Logic ................................... 296 .
Component Inspection ........................................ 243 . DTC Confirmation Procedure .............................. 296 . D
Removal and Installation ..................................... 244 . Wiring Diagram .................................................... 297 .
DTC P0139, P0159 HO2S2 ................................... 245 . Diagnostic Procedure .......................................... 298 .
Component Description ....................................... 245 . Component Inspection ......................................... 299 . E
CONSULT-II Reference Value in Data Monitor Mode Removal and Installation ..................................... 300 .
. 245 DTC P0335 CKP SENSOR (POS) ......................... 301 .
On Board Diagnosis Logic .................................. 245 . Component Description ....................................... 301 .
DTC Confirmation Procedure .............................. 246 . CONSULT-II Reference Value in Data Monitor Mode F
Overall Function Check ....................................... 246 . . 301
Wiring Diagram ................................................... 248
. On Board Diagnosis Logic ................................... 301 .
Diagnostic Procedure .......................................... 251 . DTC Confirmation Procedure .............................. 301 . G
Component Inspection ........................................ 254 . Wiring Diagram .................................................... 302 .
Removal and Installation ..................................... 256 . Diagnostic Procedure .......................................... 303 .
DTC P0171, P0174 FUEL INJECTION SYSTEM Component Inspection ......................................... 306 . H
FUNCTION ............................................................. 257
. Removal and Installation ..................................... 306 .
On Board Diagnosis Logic .................................. 257 . DTC P0340, P0345 CMP SENSOR (PHASE) ....... 307 .
DTC Confirmation Procedure .............................. 257 . Component Description ....................................... 307 .
I
Wiring Diagram ................................................... 259
. CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 261 . . 307
DTC P0172, P0175 FUEL INJECTION SYSTEM On Board Diagnosis Logic ................................... 307 .
FUNCTION ............................................................. 266
. DTC Confirmation Procedure .............................. 307 . J
On Board Diagnosis Logic .................................. 266 . Wiring Diagram .................................................... 308 .
DTC Confirmation Procedure .............................. 266 . Diagnostic Procedure .......................................... 311 .
Wiring Diagram ................................................... 268
. Component Inspection ......................................... 314 . K
Diagnostic Procedure .......................................... 270 . Removal and Installation ..................................... 314 .
DTC P0181 FTT SENSOR ..................................... 274 . DTC P0420, P0430 THREE WAY CATALYST FUNC-
Component Description ....................................... 274 . TION ....................................................................... 315
. L
On Board Diagnosis Logic .................................. 274 . On Board Diagnosis Logic ................................... 315 .
DTC Confirmation Procedure .............................. 274 . DTC Confirmation Procedure .............................. 315 .
Wiring Diagram ................................................... 276
. Overall Function Check ....................................... 316 .
Diagnostic Procedure .......................................... 277 . Diagnostic Procedure .......................................... 317 . M
Component Inspection ........................................ 278 . DTC P0441 EVAP CONTROL SYSTEM ................ 320 .
Removal and Installation ..................................... 278 . System Description .............................................. 320 .
DTC P0182, P0183 FTT SENSOR ........................ 279 . On Board Diagnosis Logic ................................... 320 .
Component Description ....................................... 279 . DTC Confirmation Procedure .............................. 320 .
On Board Diagnosis Logic .................................. 279 . Overall Function Check ....................................... 321 .
DTC Confirmation Procedure .............................. 279 . Diagnostic Procedure .......................................... 322 .
Wiring Diagram ................................................... 280
. DTC P0442 EVAP CONTROL SYSTEM ................ 325 .
Diagnostic Procedure .......................................... 281 . On Board Diagnosis Logic ................................... 325 .
Component Inspection ........................................ 282 . DTC Confirmation Procedure .............................. 326 .
Removal and Installation ..................................... 282 . Diagnostic Procedure .......................................... 328 .
DTC P0222, P0223 TP SENSOR .......................... 283 . DTC P0444, P0445 EVAP CANISTER PURGE VOL-
Component Description ....................................... 283 . UME CONTROL SOLENOID VALVE ..................... 335 .
CONSULT-II Reference Value in Data Monitor Mode Description ........................................................... 335
.
. 283 CONSULT-II Reference Value in Data Monitor Mode
On Board Diagnosis Logic .................................. 283 . . 335
DTC Confirmation Procedure .............................. 284 . On Board Diagnosis Logic ................................... 336 .
Wiring Diagram ................................................... 285
. DTC Confirmation Procedure .............................. 336 .
Revision; 2004 April EC-3 2003 G35 Coupe
Wiring Diagram .................................................... 337 . Component Description ....................................... 386 .
Diagnostic Procedure .......................................... 339 . On Board Diagnosis Logic ................................... 386 .
Component Inspection ......................................... 340 . Overall Function Check ........................................ 386 .
Removal and Installation ..................................... 341 . Diagnostic Procedure ........................................... 387 .
DTC P0447 EVAP CANISTER VENT CONTROL Removal and Installation ...................................... 387 .
VALVE .................................................................... 342
. DTC P0462 FUEL LEVEL SENSOR ...................... 388 .
Component Description ....................................... 342 . Component Description ....................................... 388 .
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 388 .
. 342 DTC Confirmation Procedure ............................... 388 .
On Board Diagnosis Logic ................................... 342 . Diagnostic Procedure ........................................... 389 .
DTC Confirmation Procedure .............................. 343 . Removal and Installation ...................................... 389 .
Wiring Diagram .................................................... 344 . DTC P0500 VSS ..................................................... 390 .
Diagnostic Procedure .......................................... 345 . Description ........................................................... 390
.
Component Inspection ......................................... 347 . On Board Diagnosis Logic ................................... 390 .
DTC P0451 EVAP CONTROL SYSTEM PRESSURE DTC Confirmation Procedure ............................... 390 .
SENSOR ................................................................. 349
. Overall Function Check ........................................ 391 .
Component Description ....................................... 349 . Diagnostic Procedure ........................................... 391 .
CONSULT-II Reference Value in Data Monitor Mode DTC P0506 ISC SYSTEM ...................................... 392 .
. 349 Description ........................................................... 392
.
On Board Diagnosis Logic ................................... 349 . On Board Diagnosis Logic ................................... 392 .
DTC Confirmation Procedure .............................. 350 . DTC Confirmation Procedure ............................... 392 .
Diagnostic Procedure .......................................... 350 . Diagnostic Procedure ........................................... 393 .
Component Inspection ......................................... 351 . DTC P0507 ISC SYSTEM ...................................... 394 .
DTC P0452 EVAP CONTROL SYSTEM PRESSURE Description ........................................................... 394
.
SENSOR ................................................................. 352
. On Board Diagnosis Logic ................................... 394 .
Component Description ....................................... 352 . DTC Confirmation Procedure ............................... 394 .
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure ........................................... 395 .
. 352 DTC P0550 PSP SENSOR ..................................... 396 .
On Board Diagnosis Logic ................................... 352 . Component Description ....................................... 396 .
DTC Confirmation Procedure .............................. 353 . CONSULT-II Reference Value in Data Monitor Mode
Wiring Diagram .................................................... 354 . .396
Diagnostic Procedure .......................................... 355 . On Board Diagnosis Logic ................................... 396 .
Component Inspection ......................................... 357 . DTC Confirmation Procedure ............................... 396 .
DTC P0453 EVAP CONTROL SYSTEM PRESSURE Wiring Diagram .................................................... 397 .
SENSOR ................................................................. 358
. Diagnostic Procedure ........................................... 398 .
Component Description ....................................... 358 . Component Inspection ......................................... 400 .
CONSULT-II Reference Value in Data Monitor Mode DTC P0605 ECM .................................................... 401 .
. 358 Component Description ....................................... 401 .
On Board Diagnosis Logic ................................... 358 . On Board Diagnosis Logic ................................... 401 .
DTC Confirmation Procedure .............................. 359 . DTC Confirmation Procedure ............................... 401 .
Wiring Diagram .................................................... 360 . Diagnostic Procedure ........................................... 402 .
Diagnostic Procedure .......................................... 361 . DTC P1065 ECM POWER SUPPLY ....................... 404 .
Component Inspection ......................................... 365 . Component Description ....................................... 404 .
DTC P0455 EVAP CONTROL SYSTEM ................ 366 . On Board Diagnosis Logic ................................... 404 .
On Board Diagnosis Logic ................................... 366 . DTC Confirmation Procedure ............................... 404 .
DTC Confirmation Procedure .............................. 367 . Wiring Diagram .................................................... 405 .
Diagnostic Procedure .......................................... 368 . Diagnostic Procedure ........................................... 406 .
DTC P0456 EVAP CONTROL SYSTEM ................ 374 . DTC P1111, P1136 IVT CONTROL SOLENOID
On Board Diagnosis Logic ................................... 374 . VALVE ..................................................................... 408
.
DTC Confirmation Procedure .............................. 375 . Component Description ....................................... 408 .
Overall Function Check ....................................... 376 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 377 . .408
DTC P0460 FUEL LEVEL SENSOR ...................... 384 . On Board Diagnosis Logic ................................... 408 .
Component Description ....................................... 384 . DTC Confirmation Procedure ............................... 408 .
On Board Diagnosis Logic ................................... 384 . Wiring Diagram .................................................... 409 .
DTC Confirmation Procedure .............................. 384 . Diagnostic Procedure ........................................... 412 .
Diagnostic Procedure .......................................... 385 . Component Inspection ......................................... 414 .
Removal and Installation ..................................... 385 . Removal and Installation ...................................... 414 .
DTC P0461 FUEL LEVEL SENSOR ...................... 386 . DTC P1121 ELECTRIC THROTTLE CONTROL
Revision; 2004 April EC-4 2003 G35 Coupe
ACTUATOR ........................................................... 415. Diagnostic Procedure .......................................... 452 .
Component Description ....................................... 415 . Component Inspection ......................................... 455 . A
On Board Diagnosis Logic .................................. 415 . Removal and Installation ..................................... 457 .
DTC Confirmation Procedure .............................. 415 . DTC P1147, P1167 HO2S2 .................................... 458 .
Diagnostic Procedure .......................................... 416 . Component Description ....................................... 458 . EC
DTC P1122 ELECTRIC THROTTLE CONTROL CONSULT-II Reference Value in Data Monitor Mode
FUNCTION ............................................................. 417
. . 458
Description .......................................................... 417
. On Board Diagnosis Logic ................................... 458 .
On Board Diagnosis Logic .................................. 417 . DTC Confirmation Procedure .............................. 459 . C
DTC Confirmation Procedure .............................. 417 . Overall Function Check ....................................... 459 .
Wiring Diagram ................................................... 418 . Wiring Diagram .................................................... 461
.
Diagnostic Procedure .......................................... 419 . Diagnostic Procedure .......................................... 464 . D
Component Inspection ........................................ 422 . Component Inspection ......................................... 467 .
Remove and Installation ...................................... 422 . Removal and Installation ..................................... 469 .
DTC P1124, P1126 THROTTLE CONTROL MOTOR DTC P1148, P1168 CLOSED LOOP CONTROL ... 470 . E
RELAY ................................................................... 423
. On Board Diagnosis Logic ................................... 470 .
Component Description ....................................... 423 . DTC Confirmation Procedure .............................. 470 .
CONSULT-II Reference Value in Data Monitor Mode Overall Function Check ....................................... 471 .
. 423 Diagnostic Procedure .......................................... 471 . F
On Board Diagnosis Logic .................................. 423 . DTC P1211 TCS CONTROL UNIT ......................... 472 .
DTC Confirmation Procedure .............................. 423 . Description ........................................................... 472
.
Wiring Diagram ................................................... 425 . On Board Diagnosis Logic ................................... 472 . G
Diagnostic Procedure .......................................... 426 . DTC Confirmation Procedure .............................. 472 .
DTC P1128 THROTTLE CONTROL MOTOR ....... 428 . Diagnostic Procedure .......................................... 472 .
Component Description ....................................... 428 . DTC P1212 TCS COMMUNICATION LINE ........... 473 . H
On Board Diagnosis Logic .................................. 428 . Description ........................................................... 473
.
DTC Confirmation Procedure .............................. 428 . On Board Diagnosis Logic ................................... 473 .
Wiring Diagram ................................................... 429 . DTC Confirmation Procedure .............................. 473 .
I
Diagnostic Procedure .......................................... 430 . Diagnostic Procedure .......................................... 473 .
Component Inspection ........................................ 431 . DTC P1217 ENGINE OVER TEMPERATURE ....... 474 .
Removal and Installation ..................................... 432 . Description ........................................................... 474
.
DTC P1143, P1163 HO2S1 .................................... 433 . CONSULT-II Reference Value in Data Monitor Mode J
Component Description ....................................... 433 . . 475
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 475 .
. 433 Overall Function Check ....................................... 476 . K
On Board Diagnosis Logic .................................. 433 . Wiring Diagram .................................................... 478
.
DTC Confirmation Procedure .............................. 434 . Diagnostic Procedure .......................................... 480 .
Overall Function Check ....................................... 435 . Main 12 Causes of Overheating .......................... 484 . L
Diagnostic Procedure .......................................... 435 . Component Inspection ......................................... 485 .
Component Inspection ........................................ 437 . DTC P1225 TP SENSOR ....................................... 486 .
Removal and Installation ..................................... 438 . Component Description ....................................... 486 .
DTC P1144, P1164 HO2S1 .................................... 439 . On Board Diagnosis Logic ................................... 486 . M
Component Description ....................................... 439 . DTC Confirmation Procedure .............................. 486 .
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure .......................................... 487 .
. 439 Removal and Installation ..................................... 487 .
On Board Diagnosis Logic .................................. 439 . DTC P1226 TP SENSOR ....................................... 488 .
DTC Confirmation Procedure .............................. 440 . Component Description ....................................... 488 .
Overall Function Check ....................................... 441 . On Board Diagnosis Logic ................................... 488 .
Diagnostic Procedure .......................................... 441 . DTC Confirmation Procedure .............................. 488 .
Component Inspection ........................................ 443 . Diagnostic Procedure .......................................... 489 .
Removal and Installation ..................................... 445 . Removal and Installation ..................................... 489 .
DTC P1146, P1166 HO2S2 .................................... 446 . DTC P1229 SENSOR POWER SUPPLY ............... 490 .
Component Description ....................................... 446 . On Board Diagnosis Logic ................................... 490 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure .............................. 490 .
. 446 Wiring Diagram .................................................... 491
.
On Board Diagnosis Logic .................................. 446 . Diagnostic Procedure .......................................... 492 .
DTC Confirmation Procedure .............................. 447 . DTC P1444 EVAP CANISTER PURGE VOLUME
Overall Function Check ....................................... 447 . CONTROL SOLENOID VALVE .............................. 495 .
Wiring Diagram ................................................... 449 . Description ........................................................... 495
.
Revision; 2004 April EC-5 2003 G35 Coupe
CONSULT-II Reference Value in Data Monitor Mode DTC P2122, P2123 APP SENSOR ........................ 550 .
. 495 Component Description ....................................... 550 .
On Board Diagnosis Logic ................................... 496 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 496 . .550
Wiring Diagram .................................................... 497 . On Board Diagnosis Logic ................................... 550 .
Diagnostic Procedure .......................................... 499 . DTC Confirmation Procedure ............................... 551 .
Component Inspection ......................................... 501 . Wiring Diagram .................................................... 552
.
Removal and Installation ..................................... 502 . Diagnostic Procedure ........................................... 553 .
DTC P1446 EVAP CANISTER VENT CONTROL Component Inspection ......................................... 555 .
VALVE .................................................................... 503
. Removal and Installation ...................................... 556 .
Component Description ....................................... 503 . DTC P2127, P2128 APP SENSOR ........................ 557 .
CONSULT-II Reference Value in Data Monitor Mode Component Description ....................................... 557 .
. 503 CONSULT-II Reference Value in Data Monitor Mode
On Board Diagnosis Logic ................................... 503 . .557
DTC Confirmation Procedure .............................. 504 . On Board Diagnosis Logic ................................... 557 .
Wiring Diagram .................................................... 505 . DTC Confirmation Procedure ............................... 558 .
Diagnostic Procedure .......................................... 506 . Wiring Diagram .................................................... 559
.
Component Inspection ......................................... 508 . Diagnostic Procedure ........................................... 560 .
DTC P1564 ASCD STEERING SWITCH ............... 510 . Component Inspection ......................................... 563 .
Component Description ....................................... 510 . Removal and Installation ...................................... 563 .
CONSULT-II Reference Value in Data Monitor Mode DTC P2135 TP SENSOR ....................................... 564 .
. 510 Component Description ....................................... 564 .
On Board Diagnosis Logic ................................... 510 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 511 . .564
Wiring Diagram .................................................... 512 . On Board Diagnosis Logic ................................... 564 .
Diagnostic Procedure .......................................... 514 . DTC Confirmation Procedure ............................... 565 .
Component Inspection ......................................... 516 . Wiring Diagram .................................................... 566
.
DTC P1572 ASCD BRAKE SWITCH ..................... 517 . Diagnostic Procedure ........................................... 567 .
Component Description ....................................... 517 . Component Inspection ......................................... 570 .
CONSULT-II Reference Value in Data Monitor Mode Removal and Installation ...................................... 570 .
. 517 DTC P2138 APP SENSOR ..................................... 571 .
On Board Diagnosis Logic ................................... 517 . Component Description ....................................... 571 .
DTC confirmation Procedure ............................... 518 . CONSULT-II Reference Value in Data Monitor Mode
Wiring Diagram .................................................... 519 . .571
Diagnostic Procedure .......................................... 521 . On Board Diagnosis Logic ................................... 571 .
Component Inspection ......................................... 531 . DTC Confirmation Procedure ............................... 572 .
DTC P1574 ASCD VEHICLE SPEED SENSOR .... 533 . Wiring Diagram .................................................... 573
.
Component Description ....................................... 533 . Diagnostic Procedure ........................................... 574 .
On Board Diagnosis Logic ................................... 533 . Component Inspection ......................................... 579 .
DTC Confirmation Procedure .............................. 533 . Removal and Installation ...................................... 579 .
Diagnostic Procedure .......................................... 534 . IGNITION SIGNAL ................................................. 580 .
DTC P1706 PNP SWITCH ..................................... 535 . Component Description ....................................... 580 .
Component Description ....................................... 535 . Wiring Diagram .................................................... 581
.
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure ........................................... 586 .
. 535 Component Inspection ......................................... 591 .
On Board Diagnosis Logic ................................... 535 . Removal and Installation ...................................... 591 .
DTC Confirmation Procedure .............................. 535 . INJECTOR CIRCUIT .............................................. 592 .
Overall Function Check ....................................... 536 . Component Description ....................................... 592 .
Wiring Diagram .................................................... 537 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 540 . .592
DTC P1805 BRAKE SWITCH ................................ 544 . Wiring Diagram .................................................... 593
.
Description ........................................................... 544
. Diagnostic Procedure ........................................... 595 .
CONSULT-II Reference Value in Data Monitor Mode Component Inspection ......................................... 597 .
. 544 Removal and Installation ...................................... 597 .
On Board Diagnosis Logic ................................... 544 . FUEL PUMP CIRCUIT ............................................ 598 .
DTC Confirmation Procedure .............................. 544 . Description ........................................................... 598
.
Wiring Diagram .................................................... 545 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 546 . .598
Component Inspection ......................................... 549 . Wiring Diagram .................................................... 599
.
Revision; 2004 April EC-6 2003 G35 Coupe
Diagnostic Procedure .......................................... 600 . Description ........................................................... 630
.
Component Inspection ........................................ 603 . Component Inspection ......................................... 633 . A
Removal and Installation ..................................... 603 . Removal and Installation ..................................... 634 .
REFRIGERANT PRESSURE SENSOR ................ 604 . How to Detect Fuel Vapor Leakage ..................... 634 .
Component Description ....................................... 604 . ON BOARD REFUELING VAPOR RECOVERY EC
Wiring Diagram ................................................... 605
. (ORVR) ................................................................... 637
.
Diagnostic Procedure .......................................... 606 . System Description .............................................. 637 .
Removal and Installation ..................................... 608 . Diagnostic Procedure .......................................... 638 .
ELECTRICAL LOAD SIGNAL ............................... 609 . Component Inspection ......................................... 640 . C
Description .......................................................... 609
. POSITIVE CRANKCASE VENTILATION .............. 642 .
CONSULT-II Reference Value in Data Monitor Mode Description ........................................................... 642
.
. 609 Component Inspection ......................................... 642 . D
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