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ENGINE CONTROL SYSTEM
B ENGINE
A
ENGINE CONTROL SYSTEM
SECTION EC EC
C
D
E
CONTENTS
INDEX FOR DTC ....................................................... 8 . IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM- F
DTC No. Index ........................................................ 8 . NATS) ....................................................................... 45
.
Alphabetical Index ..................................................11 . Description ............................................................. 45
.
PRECAUTIONS ....................................................... 16 . ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 46 . G
Precautions for Supplemental Restraint System Introduction ............................................................ 46
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Two Trip Detection Logic ....................................... 46 .
SIONER" ............................................................... 16. Emission-Related Diagnostic Information .............. 47 .
H
On Board Diagnostic (OBD) System of Engine and Malfunction Indicator Lamp (MIL) .......................... 62 .
A/T ......................................................................... 16
. OBD System Operation Chart ............................... 65 .
Precaution ............................................................. 16
. BASIC SERVICE PROCEDURE .............................. 71 .
Wiring Diagrams and Trouble Diagnosis ............... 19 . Basic Inspection .................................................... 71. I
PREPARATION ........................................................ 20 . Idle Speed and Ignition Timing Check ................... 76 .
Special Service Tools ............................................ 20 . Idle Mixture Ratio Adjustment ................................ 77 .
Commercial Service Tools ..................................... 21 . VIN Registration .................................................... 88. J
ENGINE CONTROL SYSTEM ................................. 22 . Accelerator Pedal Released Position Learning ..... 88 .
System Diagram .................................................... 22 . Throttle Valve Closed Position Learning ................ 88 .
Multiport Fuel Injection (MFI) System ................... 23 . Idle Air Volume Learning ....................................... 89 .
K
Electronic Ignition (EI) System .............................. 25 . Fuel Pressure Check ............................................. 91 .
Fuel Cut Control (at No Load and High Engine TROUBLE DIAGNOSIS ........................................... 93 .
Speed) ................................................................... 26
. Trouble Diagnosis Introduction .............................. 93 .
AIR CONDITIONING CUT CONTROL .................... 27 . DTC Inspection Priority Chart ................................ 99 . L
Input/Output Signal Chart ...................................... 27 . Fail-Safe Chart .................................................... 101.
AUTOMATIC SPEED CONTROL DEVICE (ASCD) 28 ... Symptom Matrix Chart ......................................... 102 .
System Description ............................................... 28 . Engine Control Component Parts Location ......... 106 . M
Component Description ......................................... 29 . Vacuum Hose Drawing ........................................ 112 .
CAN COMMUNICATION ......................................... 30 . Circuit Diagram .................................................... 113.
System Description ............................................... 30 . ECM Harness Connector Terminal Layout .......... 117 .
EVAPORATIVE EMISSION SYSTEM ...................... 31 . ECM Terminals and Reference Value .................. 117 .
Description ............................................................ 31
. CONSULT-II Function (ENGINE) ......................... 126 .
Component Inspection .......................................... 34 . Generic Scan Tool (GST) Function ...................... 138 .
Removal and Installation ....................................... 35 . CONSULT-II Reference Value in Data Monitor .... 140 .
How to Detect Fuel Vapor Leakage ...................... 35 . Major Sensor Reference Graph in Data Monitor
ON BOARD REFUELING VAPOR RECOVERY Mode .................................................................... 143
.
(ORVR) ..................................................................... 38
. TROUBLE DIAGNOSIS - SPECIFICATION VALUE 146 .
System Description ............................................... 38 . Description ........................................................... 146
.
Diagnostic Procedure ............................................ 39 . Testing Condition ................................................. 146 .
Component Inspection .......................................... 41 . Inspection Procedure ........................................... 146 .
POSITIVE CRANKCASE VENTILATION ................ 43 . Diagnostic Procedure .......................................... 147 .
Description ............................................................ 43
. TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
Component Inspection .......................................... 43 . DENT ...................................................................... 156
.
Edition; 2004 September EC-1 2005 G35 Sedan
Description ........................................................... 156
. Component Inspection ......................................... 201.
Diagnostic Procedure .......................................... 156 . Removal and Installation ...................................... 201
.
POWER SUPPLY AND GROUND CIRCUIT .......... 157 . DTC P0117, P0118 ECT SENSOR ......................... 202 .
Wiring Diagram .................................................... 157
. Component Description ....................................... 202 .
Diagnostic Procedure .......................................... 160 . On Board Diagnosis Logic ................................... 202 .
Ground Inspection ............................................... 164 . DTC Confirmation Procedure ............................... 203 .
DTC U1000, U1001 CAN COMMUNICATION LINE. 166 Wiring Diagram .................................................... 204
.
Description ........................................................... 166
. Diagnostic Procedure ........................................... 205
.
On Board Diagnosis Logic ................................... 166 . Component Inspection ......................................... 206.
DTC Confirmation Procedure .............................. 166 . Removal and Installation ...................................... 206
.
Wiring Diagram .................................................... 167
. DTC P0122, P0123 TP SENSOR ........................... 207 .
Diagnostic Procedure .......................................... 168 . Component Description ....................................... 207 .
DTC P0011, P0021 IVT CONTROL ....................... 169 . CONSULT-II Reference Value in Data Monitor Mode
Description ........................................................... 169
. .207
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 207 .
. 169 DTC Confirmation Procedure ............................... 208 .
On Board Diagnosis Logic ................................... 170 . Wiring Diagram .................................................... 209
.
DTC Confirmation Procedure .............................. 170 . Diagnostic Procedure ........................................... 211
.
Diagnostic Procedure .......................................... 171 . Component Inspection ......................................... 213.
Component Inspection ......................................... 172 . Removal and Installation ...................................... 213
.
Removal and Installation ..................................... 173 . DTC P0125 ECT SENSOR ..................................... 214 .
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER 174 . Component Description ....................................... 214 .
Description ........................................................... 174
. On Board Diagnosis Logic ................................... 214 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 215 .
. 174 Diagnostic Procedure ........................................... 215
.
On Board Diagnosis Logic ................................... 174 . Component Inspection ......................................... 216.
DTC Confirmation Procedure .............................. 175 . Removal and Installation ...................................... 216
.
Wiring Diagram .................................................... 176
. DTC P0127 IAT SENSOR ....................................... 217 .
Diagnostic Procedure .......................................... 179 . Component Description ....................................... 217 .
Component Inspection ......................................... 181 . On Board Diagnosis Logic ................................... 217 .
Removal and Installation ..................................... 181 . DTC Confirmation Procedure ............................... 217 .
DTC P0101 MAF SENSOR .................................... 182 . Diagnostic Procedure ........................................... 218
.
Component Description ....................................... 182 . Component Inspection ......................................... 219.
CONSULT-II Reference Value in Data Monitor Mode Removal and Installation ...................................... 219
.
. 182 DTC P0128 THERMOSTAT FUNCTION ................ 220 .
On Board Diagnosis Logic ................................... 182 . On Board Diagnosis Logic ................................... 220 .
DTC Confirmation Procedure .............................. 183 . DTC Confirmation Procedure ............................... 220 .
Overall Function Check ....................................... 184 . Diagnostic Procedure ........................................... 220
.
Wiring Diagram .................................................... 185
. Component Inspection ......................................... 221.
Diagnostic Procedure .......................................... 186 . Removal and Installation ...................................... 221
.
Component Inspection ......................................... 188 . DTC P0138, P0158 HO2S2 .................................... 222 .
Removal and Installation ..................................... 190 . Component Description ....................................... 222 .
DTC P0102, P0103 MAF SENSOR ........................ 191 . CONSULT-II Reference Value in Data Monitor Mode
Component Description ....................................... 191 . .222
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 222 .
. 191 DTC Confirmation Procedure ............................... 223 .
On Board Diagnosis Logic ................................... 191 . Wiring Diagram .................................................... 224
.
DTC Confirmation Procedure .............................. 192 . Diagnostic Procedure ........................................... 227
.
Wiring Diagram .................................................... 193
. Component Inspection ......................................... 229.
Diagnostic Procedure .......................................... 194 . Removal and Installation ...................................... 230
.
Component Inspection ......................................... 196 . DTC P0139, P0159 HO2S2 .................................... 231 .
Removal and Installation ..................................... 197 . Component Description ....................................... 231 .
DTC P0112, P0113 IAT SENSOR .......................... 198 . CONSULT-II Reference Value in Data Monitor Mode
Component Description ....................................... 198 . .231
On Board Diagnosis Logic ................................... 198 . On Board Diagnosis Logic ................................... 231 .
DTC Confirmation Procedure .............................. 198 . DTC Confirmation Procedure ............................... 232 .
Wiring Diagram .................................................... 199
. Overall Function Check ........................................ 232
.
Diagnostic Procedure .......................................... 200 . Wiring Diagram .................................................... 234
.
Diagnostic Procedure ........................................... 237
.
Edition; 2004 September EC-2 2005 G35 Sedan
Component Inspection ........................................ 240 . Wiring Diagram .................................................... 294 .
Removal and Installation ..................................... 241 . Diagnostic Procedure .......................................... 295 . A
DTC P0171, P0174 FUEL INJECTION SYSTEM Component Inspection ......................................... 298 .
FUNCTION ............................................................. 242
. Removal and Installation ..................................... 298 .
On Board Diagnosis Logic .................................. 242 . DTC P0340, P0345 CMP SENSOR (PHASE) ....... 299 . EC
DTC Confirmation Procedure .............................. 242 . Component Description ....................................... 299 .
Wiring Diagram ................................................... 244
. CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 246. . 299
DTC P0172, P0175 FUEL INJECTION SYSTEM On Board Diagnosis Logic ................................... 299 . C
FUNCTION ............................................................. 252
. DTC Confirmation Procedure .............................. 299 .
On Board Diagnosis Logic .................................. 252 . Wiring Diagram .................................................... 301 .
DTC Confirmation Procedure .............................. 252 . Diagnostic Procedure .......................................... 304 . D
Wiring Diagram ................................................... 254
. Component Inspection ......................................... 307 .
Diagnostic Procedure .......................................... 256. Removal and Installation ..................................... 307 .
DTC P0181 FTT SENSOR ..................................... 261 . DTC P0420, P0430 THREE WAY CATALYST FUNC- E
Component Description ....................................... 261 . TION ....................................................................... 308
.
On Board Diagnosis Logic .................................. 261 . On Board Diagnosis Logic ................................... 308 .
DTC Confirmation Procedure .............................. 261 . DTC Confirmation Procedure .............................. 308 .
Wiring Diagram ................................................... 263
. Overall Function Check ....................................... 309 . F
Diagnostic Procedure .......................................... 264. Diagnostic Procedure .......................................... 310 .
Component Inspection ........................................ 265 . DTC P0441 EVAP CONTROL SYSTEM ................ 314 .
Removal and Installation ..................................... 265 . System Description .............................................. 314 . G
DTC P0182, P0183 FTT SENSOR ........................ 266 . On Board Diagnosis Logic ................................... 314 .
Component Description ....................................... 266 . DTC Confirmation Procedure .............................. 314 .
On Board Diagnosis Logic .................................. 266 . Overall Function Check ....................................... 315 . H
DTC Confirmation Procedure .............................. 266 . Diagnostic Procedure .......................................... 316 .
Wiring Diagram ................................................... 267
. DTC P0442 EVAP CONTROL SYSTEM ................ 319 .
Diagnostic Procedure .......................................... 268. On Board Diagnosis Logic ................................... 319 .
I
Component Inspection ........................................ 269 . DTC Confirmation Procedure .............................. 320 .
Removal and Installation ..................................... 269 . Diagnostic Procedure .......................................... 321 .
DTC P0222, P0223 TP SENSOR .......................... 270 . DTC P0444, P0445 EVAP CANISTER PURGE VOL-
Component Description ....................................... 270 . UME CONTROL SOLENOID VALVE ..................... 327 . J
CONSULT-II Reference Value in Data Monitor Mode Description ........................................................... 327
.
. 270 CONSULT-II Reference Value in Data Monitor Mode
On Board Diagnosis Logic .................................. 270 . . 327 K
DTC Confirmation Procedure .............................. 271 . On Board Diagnosis Logic ................................... 328 .
Wiring Diagram ................................................... 272
. DTC Confirmation Procedure .............................. 328 .
Diagnostic Procedure .......................................... 274. Wiring Diagram .................................................... 329 . L
Component Inspection ........................................ 276 . Diagnostic Procedure .......................................... 331 .
Removal and Installation ..................................... 276 . Component Inspection ......................................... 332 .
DTC P0300 - P0306 MULTIPLE CYLINDER MIS- Removal and Installation ..................................... 333 .
FIRE, NO. 1 - 6 CYLINDER MISFIRE .................... 277 . DTC P0447 EVAP CANISTER VENT CONTROL M
On Board Diagnosis Logic .................................. 277 . VALVE .................................................................... 334
.
DTC Confirmation Procedure .............................. 277 . Component Description ....................................... 334 .
Diagnostic Procedure .......................................... 278. CONSULT-II Reference Value in Data Monitor Mode
DTC P0327, P0328 KS .......................................... 287 . . 334
Component Description ....................................... 287 . On Board Diagnosis Logic ................................... 334 .
On Board Diagnosis Logic .................................. 287 . DTC Confirmation Procedure .............................. 335 .
DTC Confirmation Procedure .............................. 287 . Wiring Diagram .................................................... 336 .
Wiring Diagram ................................................... 288
. Diagnostic Procedure .......................................... 337 .
Diagnostic Procedure .......................................... 289. Component Inspection ......................................... 339 .
Component Inspection ........................................ 290 . DTC P0451 EVAP CONTROL SYSTEM PRESSURE
Removal and Installation ..................................... 291 . SENSOR ................................................................ 341.
DTC P0335 CKP SENSOR (POS) ......................... 292 . Component Description ....................................... 341 .
Component Description ....................................... 292 . CONSULT-II Reference Value in Data Monitor Mode
CONSULT-II Reference Value in Data Monitor Mode . 341
. 292 On Board Diagnosis Logic ................................... 341 .
On Board Diagnosis Logic .................................. 292 . DTC Confirmation Procedure .............................. 342 .
DTC Confirmation Procedure .............................. 292 .
Edition; 2004 September EC-3 2005 G35 Sedan
Diagnostic Procedure .......................................... 342 . DTC Confirmation Procedure ............................... 383 .
Component Inspection ......................................... 343 . Diagnostic Procedure ........................................... 384 .
DTC P0452 EVAP CONTROL SYSTEM PRESSURE DTC P0507 ISC SYSTEM ...................................... 385 .
SENSOR ................................................................. 344
. Description ........................................................... 385
.
Component Description ....................................... 344 . On Board Diagnosis Logic ................................... 385 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 385 .
. 344 Diagnostic Procedure ........................................... 386 .
On Board Diagnosis Logic ................................... 344 . DTC P0550 PSP SENSOR ..................................... 387 .
DTC Confirmation Procedure .............................. 345 . Component Description ....................................... 387 .
Wiring Diagram .................................................... 346
. CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 347 . .387
Component Inspection ......................................... 349 . On Board Diagnosis Logic ................................... 387 .
DTC P0453 EVAP CONTROL SYSTEM PRESSURE DTC Confirmation Procedure ............................... 387 .
SENSOR ................................................................. 350
. Wiring Diagram .................................................... 388 .
Component Description ....................................... 350 . Diagnostic Procedure ........................................... 389 .
CONSULT-II Reference Value in Data Monitor Mode Component Inspection ......................................... 391 .
. 350 Removal and Installation ...................................... 391 .
On Board Diagnosis Logic ................................... 350 . DTC P0605 ECM .................................................... 392 .
DTC Confirmation Procedure .............................. 351 . Component Description ....................................... 392 .
Wiring Diagram .................................................... 352
. On Board Diagnosis Logic ................................... 392 .
Diagnostic Procedure .......................................... 353 . DTC Confirmation Procedure ............................... 392 .
Component Inspection ......................................... 357 . Diagnostic Procedure ........................................... 393 .
DTC P0455 EVAP CONTROL SYSTEM ................ 358 . DTC P1031, P1032, P1051, P1052 A/F SENSOR 1
On Board Diagnosis Logic ................................... 358 . HEATER .................................................................. 395
.
DTC Confirmation Procedure .............................. 359 . Description ........................................................... 395
.
Diagnostic Procedure .......................................... 360 . CONSULT-II Reference Value in Data Monitor Mode
DTC P0456 EVAP CONTROL SYSTEM ................ 366 . .395
On Board Diagnosis Logic ................................... 366 . On Board Diagnosis Logic ................................... 395 .
DTC Confirmation Procedure .............................. 367 . DTC Confirmation Procedure ............................... 395 .
Overall Function Check ....................................... 368 . Wiring Diagram .................................................... 396 .
Diagnostic Procedure .......................................... 368 . Diagnostic Procedure ........................................... 399 .
DTC P0460 FUEL LEVEL SENSOR ...................... 375 . Component Inspection ......................................... 401 .
Component Description ....................................... 375 . Removal and Installation ...................................... 401 .
On Board Diagnosis Logic ................................... 375 . DTC P1065 ECM POWER SUPPLY ....................... 402 .
DTC Confirmation Procedure .............................. 375 . Component Description ....................................... 402 .
Diagnostic Procedure .......................................... 376 . On Board Diagnosis Logic ................................... 402 .
Removal and Installation ..................................... 376 . DTC Confirmation Procedure ............................... 402 .
DTC P0461 FUEL LEVEL SENSOR ...................... 377 . Wiring Diagram .................................................... 403 .
Component Description ....................................... 377 . Diagnostic Procedure ........................................... 404 .
On Board Diagnosis Logic ................................... 377 . DTC P1111, P1136 IVT CONTROL SOLENOID
Overall Function Check ....................................... 377 . VALVE ..................................................................... 406
.
Diagnostic Procedure .......................................... 378 . Component Description ....................................... 406 .
Removal and Installation ..................................... 378 . CONSULT-II Reference Value in Data Monitor Mode
DTC P0462, P0463 FUEL LEVEL SENSOR ......... 379 . .406
Component Description ....................................... 379 . On Board Diagnosis Logic ................................... 406 .
On Board Diagnosis Logic ................................... 379 . DTC Confirmation Procedure ............................... 406 .
DTC Confirmation Procedure .............................. 379 . Wiring Diagram .................................................... 407 .
Diagnostic Procedure .......................................... 380 . Diagnostic Procedure ........................................... 410 .
Removal and Installation ..................................... 380 . Component Inspection ......................................... 412 .
DTC P0500 VSS ..................................................... 381. Removal and Installation ...................................... 412 .
Description ........................................................... 381
. DTC P1121 ELECTRIC THROTTLE CONTROL
On Board Diagnosis Logic ................................... 381 . ACTUATOR ............................................................ 413 .
DTC Confirmation Procedure .............................. 381 . Component Description ....................................... 413 .
Overall Function Check ....................................... 382 . On Board Diagnosis Logic ................................... 413 .
Diagnostic Procedure .......................................... 382 . DTC Confirmation Procedure ............................... 413 .
DTC P0506 ISC SYSTEM ...................................... 383 . Diagnostic Procedure ........................................... 414 .
Description ........................................................... 383
. DTC P1122 ELECTRIC THROTTLE CONTROL
On Board Diagnosis Logic ................................... 383 . FUNCTION ............................................................. 415.
Description ........................................................... 415
.
Edition; 2004 September EC-4 2005 G35 Sedan
On Board Diagnosis Logic .................................. 415 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 415 . . 457 A
Wiring Diagram ................................................... 416 . On Board Diagnosis Logic ................................... 457 .
Diagnostic Procedure .......................................... 417 . Overall Function Check ....................................... 458.
Component Inspection ........................................ 420 . Wiring Diagram .................................................... 460
. EC
Remove and Installation ...................................... 420 . Diagnostic Procedure .......................................... 462
.
DTC P1124, P1126 THROTTLE CONTROL MOTOR Main 12 Causes of Overheating .......................... 467 .
RELAY ................................................................... 421
. Component Inspection ......................................... 467.
Component Description ....................................... 421 . DTC P1225 TP SENSOR ....................................... 468 . C
CONSULT-II Reference Value in Data Monitor Mode Component Description ....................................... 468 .
. 421 On Board Diagnosis Logic ................................... 468 .
On Board Diagnosis Logic .................................. 421 . DTC Confirmation Procedure .............................. 468 . D
DTC Confirmation Procedure .............................. 421 . Diagnostic Procedure .......................................... 469
.
Wiring Diagram ................................................... 423 . Removal and Installation ..................................... 469.
Diagnostic Procedure .......................................... 424 . DTC P1226 TP SENSOR ....................................... 470 . E
DTC P1128 THROTTLE CONTROL MOTOR ....... 426 . Component Description ....................................... 470 .
Component Description ....................................... 426 . On Board Diagnosis Logic ................................... 470 .
On Board Diagnosis Logic .................................. 426 . DTC Confirmation Procedure .............................. 470 .
DTC Confirmation Procedure .............................. 426 . Diagnostic Procedure .......................................... 471
. F
Wiring Diagram ................................................... 427 . Removal and Installation ..................................... 471.
Diagnostic Procedure .......................................... 428 . DTC P1229 SENSOR POWER SUPPLY ............... 472 .
Component Inspection ........................................ 429 . On Board Diagnosis Logic ................................... 472 . G
Removal and Installation ..................................... 430 . DTC Confirmation Procedure .............................. 472 .
DTC P1146, P1166 HO2S2 .................................... 431 . Wiring Diagram .................................................... 473
.
Component Description ....................................... 431 . Diagnostic Procedure .......................................... 474
. H
CONSULT-II Reference Value in Data Monitor Mode DTC P1271, P1281 A/F SENSOR 1 ...................... 477 .
. 431 Component Description ....................................... 477 .
On Board Diagnosis Logic .................................. 431 . CONSULT-II Reference Value in Data Monitor Mode
I
DTC Confirmation Procedure .............................. 432 . . 477
Overall Function Check ....................................... 432 . On Board Diagnosis Logic ................................... 477 .
Wiring Diagram ................................................... 434 . DTC Confirmation Procedure .............................. 477 .
Diagnostic Procedure .......................................... 437 . Wiring Diagram .................................................... 479
. J
Component Inspection ........................................ 440 . Diagnostic Procedure .......................................... 482
.
Removal and Installation ..................................... 441 . Removal and Installation ..................................... 484.
DTC P1147, P1167 HO2S2 .................................... 442 . DTC P1272, P1282 A/F SENSOR 1 ...................... 485 . K
Component Description ....................................... 442 . Component Description ....................................... 485 .
CONSULT-II Reference Value in Data Monitor Mode CONSULT-II Reference Value in Data Monitor Mode
. 442 . 485 L
On Board Diagnosis Logic .................................. 442 . On Board Diagnosis Logic ................................... 485 .
DTC Confirmation Procedure .............................. 443 . DTC Confirmation Procedure .............................. 485 .
Overall Function Check ....................................... 443 . Wiring Diagram .................................................... 487
.
Wiring Diagram ................................................... 445 . Diagnostic Procedure .......................................... 490
. M
Diagnostic Procedure .......................................... 448 . Removal and Installation ..................................... 492.
Component Inspection ........................................ 451 . DTC P1273, P1283 A/F SENSOR 1 ...................... 493 .
Removal and Installation ..................................... 452 . Component Description ....................................... 493 .
DTC P1148, P1168 CLOSED LOOP CONTROL ... 453 . CONSULT-II Reference Value in Data Monitor Mode
On Board Diagnosis Logic .................................. 453 . . 493
DTC P1211 TCS CONTROL UNIT ........................ 454 . On Board Diagnosis Logic ................................... 493 .
Description .......................................................... 454
. DTC Confirmation Procedure .............................. 493 .
On Board Diagnosis Logic .................................. 454 . Wiring Diagram .................................................... 495
.
DTC Confirmation Procedure .............................. 454 . Diagnostic Procedure .......................................... 498
.
Diagnostic Procedure .......................................... 454 . Removal and Installation ..................................... 501.
DTC P1212 TCS COMMUNICATION LINE ........... 455 . DTC P1274, P1284 A/F SENSOR 1 ...................... 502 .
Description .......................................................... 455
. Component Description ....................................... 502 .
On Board Diagnosis Logic .................................. 455 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 455 . . 502
Diagnostic Procedure .......................................... 455 . On Board Diagnosis Logic ................................... 502 .
DTC P1217 ENGINE OVER TEMPERATURE ...... 456 . DTC Confirmation Procedure .............................. 502 .
Description .......................................................... 456
. Wiring Diagram .................................................... 504
.
Edition; 2004 September EC-5 2005 G35 Sedan
Diagnostic Procedure .......................................... 507 . Diagnostic Procedure ........................................... 563 .
Removal and Installation ..................................... 510 . Component Inspection ......................................... 566 .
DTC P1276, P1286 A/F SENSOR 1 ....................... 511 . DTC P1572 ASCD BRAKE SWITCH ..................... 567 .
Component Description ....................................... 511 . Component Description ....................................... 567 .
CONSULT-II Reference Value in Data Monitor Mode CONSULT-II Reference Value in Data Monitor Mode
. 511 .567
On Board Diagnosis Logic ................................... 511 . On Board Diagnosis Logic ................................... 567 .
DTC Confirmation Procedure .............................. 511 . DTC Confirmation Procedure ............................... 568 .
Overall Function Check ....................................... 512 . Wiring Diagram .................................................... 569
.
Wiring Diagram .................................................... 514 . Diagnostic Procedure ........................................... 572 .
Diagnostic Procedure .......................................... 517 . Component Inspection ......................................... 582 .
Removal and Installation ..................................... 519 . DTC P1574 ASCD VEHICLE SPEED SENSOR .... 583 .
DTC P1278, P1288 A/F SENSOR 1 ....................... 520 . Component Description ....................................... 583 .
Component Description ....................................... 520 . On Board Diagnosis Logic ................................... 583 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 583 .
. 520 Diagnostic Procedure ........................................... 584 .
On Board Diagnosis Logic ................................... 520 . DTC P1706 PNP SWITCH ...................................... 585 .
DTC Confirmation Procedure .............................. 521 . Component Description ....................................... 585 .
Wiring Diagram .................................................... 523 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 526 . .585
Removal and Installation ..................................... 531 . On Board Diagnosis Logic ................................... 585 .
DTC P1279, P1289 A/F SENSOR 1 ....................... 532 . DTC Confirmation Procedure ............................... 585 .
Component Description ....................................... 532 . Overall Function Check ........................................ 586 .
CONSULT-II Reference Value in Data Monitor Mode Wiring Diagram .................................................... 587
.
. 532 Diagnostic Procedure ........................................... 590 .
On Board Diagnosis Logic ................................... 532 . DTC P1805 BRAKE SWITCH ................................ 593 .
DTC Confirmation Procedure .............................. 533 . Description ........................................................... 593
.
Wiring Diagram .................................................... 535 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 538 . .593
Removal and Installation ..................................... 543 . On Board Diagnosis Logic ................................... 593 .
DTC P1444 EVAP CANISTER PURGE VOLUME DTC Confirmation Procedure ............................... 593 .
CONTROL SOLENOID VALVE .............................. 544 . Wiring Diagram .................................................... 594
.
Description ........................................................... 544
. Diagnostic Procedure ........................................... 595 .
CONSULT-II Reference Value in Data Monitor Mode Component Inspection ......................................... 597 .
. 544 DTC P2122, P2123 APP SENSOR ........................ 598 .
On Board Diagnosis Logic ................................... 545 . Component Description ....................................... 598 .
DTC Confirmation Procedure .............................. 545 . CONSULT-II Reference Value in Data Monitor Mode
Wiring Diagram .................................................... 546 . .598
Diagnostic Procedure .......................................... 548 . On Board Diagnosis Logic ................................... 598 .
Component Inspection ......................................... 550 . DTC Confirmation Procedure ............................... 599 .
Removal and Installation ..................................... 551 . Wiring Diagram .................................................... 600
.
DTC P1446 EVAP CANISTER VENT CONTROL Diagnostic Procedure ........................................... 601 .
VALVE .................................................................... 552
. Component Inspection ......................................... 603 .
Component Description ....................................... 552 . Removal and Installation ...................................... 604 .
CONSULT-II Reference Value in Data Monitor Mode DTC P2127, P2128 APP SENSOR ........................ 605 .
. 552 Component Description ....................................... 605 .
On Board Diagnosis Logic ................................... 552 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 553 . .605
Wiring Diagram .................................................... 554 . On Board Diagnosis Logic ................................... 605 .
Diagnostic Procedure .......................................... 555 . DTC Confirmation Procedure ............................... 606 .
Component Inspection ......................................... 557 . Wiring Diagram .................................................... 607
.
DTC P1564 ASCD STEERING SWITCH ............... 559 . Diagnostic Procedure ........................................... 608 .
Component Description ....................................... 559 . Component Inspection ......................................... 611 .
CONSULT-II Reference Value in Data Monitor Mode Removal and Installation ...................................... 611 .
. 559 DTC P2135 TP SENSOR ....................................... 612 .
On Board Diagnosis Logic ................................... 559 . Component Description ....................................... 612 .
DTC Confirmation Procedure .............................. 560 . CONSULT-II Reference Value in Data Monitor Mode
Wiring Diagram .................................................... 561 . .612
On Board Diagnosis Logic ................................... 612 .
Edition; 2004 September EC-6 2005 G35 Sedan
DTC Confirmation Procedure .............................. 613 . ELECTRICAL LOAD SIGNAL ............................... 658 .
Wiring Diagram ................................................... 614
. Description ........................................................... 658
. A
Diagnostic Procedure .......................................... 615 . CONSULT-II Reference Value in Data Monitor Mode
Component Inspection ........................................ 618 . . 658
Removal and Installation ..................................... 618 . Diagnostic Procedure .......................................... 658 . EC
DTC P2138 APP SENSOR .................................... 619 . ASCD BRAKE SWITCH ........................................ 659 .
Component Description ....................................... 619 . Component Description ....................................... 659 .
CONSULT-II Reference Value in Data Monitor Mode CONSULT-II Reference Value in Data Monitor Mode
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