Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Titan 2004-2009 Approved Nissan Titan 2005 EC
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B ENGINE
A
EC
SECTION
ENGINE CONTROL SYSTEM C
D
E
CONTENTS
INDEX FOR DTC ....................................................... 8 . Description ............................................................. 45
. F
DTC No. Index ........................................................ 8 . Component Inspection ........................................... 45 .
Alphabetical Index ................................................. 12 . NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-
PRECAUTIONS ....................................................... 16 . NATS) ....................................................................... 47
. G
Precautions for Supplemental Restraint System Description ............................................................. 47
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 48 .
SIONER" ............................................................... 16. Introduction ............................................................ 48
.
H
On Board Diagnostic (OBD) System of Engine and Two Trip Detection Logic ....................................... 48 .
A/T ......................................................................... 16
. Emission-related Diagnostic Information ............... 49 .
Precaution ............................................................. 16
. Malfunction Indicator Lamp (MIL) .......................... 63 .
Wiring Diagrams and Trouble Diagnosis ............... 19 . OBD System Operation Chart ............................... 65 . I
PREPARATION ........................................................ 20 . BASIC SERVICE PROCEDURE .............................. 71 .
Special Service Tools ............................................ 20 . Basic Inspection .................................................... 71 .
Commercial Service Tools ..................................... 22 . Idle Speed and Ignition Timing Check ................... 76 . J
ENGINE CONTROL SYSTEM ................................. 23 . Idle Mixture Ratio Adjustment ................................ 78 .
System Diagram .................................................... 23 . VIN Registration .................................................... 89 .
Multiport Fuel Injection (MFI) System ................... 24 . Accelerator Pedal Released Position Learning ..... 89 .
K
Electronic Ignition (EI) System .............................. 26 . Throttle Valve Closed Position Learning ................ 89 .
Fuel Cut Control (at No Load and High Engine Idle Air Volume Learning ....................................... 90 .
Speed) ................................................................... 27
. Fuel Pressure Check ............................................. 92 .
AIR CONDITIONING CUT CONTROL .................... 28 . TROUBLE DIAGNOSIS ........................................... 94 . L
Input/Output Signal Chart ...................................... 28 . Trouble Diagnosis Introduction .............................. 94 .
System Description ............................................... 28 . DTC Inspection Priority Chart .............................. 100 .
AUTOMATIC SPEED CONTROL DEVICE (ASCD).. 29 . Fail-safe Chart ..................................................... 102. M
System Description ............................................... 29 . Symptom Matrix Chart ......................................... 103 .
Component Description ......................................... 30 . Engine Control Component Parts Location ......... 107 .
CAN COMMUNICATION ......................................... 31 . Vacuum Hose Drawing ........................................ 113 .
System Description ............................................... 31 . Circuit Diagram .................................................... 114 .
EVAPORATIVE EMISSION SYSTEM ...................... 32 . ECM Harness Connector Terminal Layout .......... 116 .
Description ............................................................ 32
. ECM Terminals and Reference Value .................. 116 .
Component Inspection .......................................... 35 . CONSULT-II Function (ENGINE) ......................... 124 .
Removal and Installation ....................................... 36 . Generic Scan Tool (GST) Function ...................... 136 .
How to Detect Fuel Vapor Leakage ...................... 37 . CONSULT-II Reference Value in Data Monitor .... 138 .
ON BOARD REFUELING VAPOR RECOVERY Major Sensor Reference Graph in Data Monitor
(ORVR) ..................................................................... 39
. Mode .................................................................... 141
.
System Description ............................................... 39 . TROUBLE DIAGNOSIS - SPECIFICATION VALUE 143 .
Diagnostic Procedure ............................................ 40 . Description ........................................................... 143
.
Component Inspection .......................................... 43 . Testing Condition ................................................. 143 .
POSITIVE CRANKCASE VENTILATION ................ 45 . Inspection Procedure ........................................... 143 .
Diagnostic Procedure .......................................... 144 .
Revision: October 2004 EC-1 2005 Titan
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI- Component Inspection ......................................... 196 .
DENT ...................................................................... 153
. Removal and Installation ...................................... 197 .
Description ........................................................... 153
. DTC P0122, P0123 TP SENSOR ........................... 198 .
Diagnostic Procedure .......................................... 153 . Component Description ....................................... 198 .
POWER SUPPLY AND GROUND CIRCUIT .......... 154 . CONSULT-IIReferenceValueinDataMonitorMode
Wiring Diagram .................................................... 154 . .198
Diagnostic Procedure .......................................... 155 . On Board Diagnosis Logic ................................... 198 .
Ground Inspection ............................................... 159 . DTC Confirmation Procedure ............................... 199 .
DTC U1000, U1001 CAN COMMUNICATION LINE. 160 Wiring Diagram .................................................... 200
.
Description ........................................................... 160
. Diagnostic Procedure ........................................... 201.
On Board Diagnosis Logic ................................... 160 . Component Inspection ......................................... 204 .
DTC Confirmation Procedure .............................. 160 . Removal and Installation ...................................... 204 .
Wiring Diagram .................................................... 161 . DTC P0125 ECT SENSOR ..................................... 205 .
Diagnostic Procedure .......................................... 162 . Component Description ....................................... 205 .
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER 163 . On Board Diagnosis Logic ................................... 205 .
Description ........................................................... 163
. DTC Confirmation Procedure ............................... 206 .
CONSULT-IIReferenceValueinDataMonitorMode Diagnostic Procedure ........................................... 206.
. 163 Component Inspection ......................................... 207 .
On Board Diagnosis Logic ................................... 163 . Removal and Installation ...................................... 207 .
DTC Confirmation Procedure .............................. 164 . DTC P0127 IAT SENSOR ....................................... 208 .
Wiring Diagram .................................................... 165 . Component Description ....................................... 208 .
Diagnostic Procedure .......................................... 168 . On Board Diagnosis Logic ................................... 208 .
Component Inspection ......................................... 170 . DTC Confirmation Procedure ............................... 208 .
Removal and Installation ..................................... 170 . Diagnostic Procedure ........................................... 209.
DTC P0101 MAF SENSOR .................................... 171 . Component Inspection ......................................... 210 .
Component Description ....................................... 171 . Removal and Installation ...................................... 210 .
CONSULT-IIReferenceValueinDataMonitorMode DTC P0128 THERMOSTAT FUNCTION ................ 211 .
. 171 On Board Diagnosis Logic ................................... 211 .
On Board Diagnosis Logic ................................... 171 . DTC Confirmation Procedure ............................... 211 .
DTC Confirmation Procedure .............................. 172 . Diagnostic Procedure ........................................... 211.
Overall Function Check ....................................... 173 . Component Inspection ......................................... 211 .
Wiring Diagram .................................................... 174 . Removal and Installation ...................................... 212 .
Diagnostic Procedure .......................................... 175 . DTC P0138, P0158 HO2S2 .................................... 213 .
Component Inspection ......................................... 178 . Component Description ....................................... 213 .
Removal and Installation ..................................... 179 . CONSULT-IIReferenceValueinDataMonitorMode
DTC P0102, P0103 MAF SENSOR ........................ 180 . .213
Component Description ....................................... 180 . On Board Diagnosis Logic ................................... 213 .
CONSULT-IIReferenceValueinDataMonitorMode DTC Confirmation Procedure ............................... 214 .
. 180 Wiring Diagram .................................................... 215
.
On Board Diagnosis Logic ................................... 180 . Diagnostic Procedure ........................................... 218.
DTC Confirmation Procedure .............................. 181 . Component Inspection ......................................... 220 .
Wiring Diagram .................................................... 182 . Removal and Installation ...................................... 221 .
Diagnostic Procedure .......................................... 183 . DTC P0139, P0159 HO2S2 .................................... 222 .
Component Inspection ......................................... 186 . Component Description ....................................... 222 .
Removal and Installation ..................................... 187 . CONSULT-IIReferenceValueinDataMonitorMode
DTC P0112, P0113 IAT SENSOR .......................... 188 . .222
Component Description ....................................... 188 . On Board Diagnosis Logic ................................... 222 .
On Board Diagnosis Logic ................................... 188 . DTC Confirmation Procedure ............................... 223 .
DTC Confirmation Procedure .............................. 188 . Overall Function Check ........................................ 223 .
Wiring Diagram .................................................... 189 . Wiring Diagram .................................................... 225
.
Diagnostic Procedure .......................................... 190 . Diagnostic Procedure ........................................... 228.
Component Inspection ......................................... 191 . Component Inspection ......................................... 231 .
Removal and Installation ..................................... 191 . Removal and Installation ...................................... 232 .
DTC P0117, P0118 ECT SENSOR ......................... 192 . DTC P0171, P0174 FUEL INJECTION SYSTEM
Component Description ....................................... 192 . FUNCTION ............................................................. 233
.
On Board Diagnosis Logic ................................... 192 . On Board Diagnosis Logic ................................... 233 .
DTC Confirmation Procedure .............................. 193 . DTC Confirmation Procedure ............................... 233 .
Wiring Diagram .................................................... 194 . Wiring Diagram .................................................... 235
.
Diagnostic Procedure .......................................... 195 . Diagnostic Procedure ........................................... 237.
Revision: October 2004 EC-2 2005 Titan
DTC P0172, P0175 FUEL INJECTION SYSTEM Wiring Diagram .................................................... 290 .
FUNCTION ............................................................. 242
. Diagnostic Procedure .......................................... 291 . A
On Board Diagnosis Logic .................................. 242 . Component Inspection ......................................... 294 .
DTC Confirmation Procedure .............................. 242 . Removal and Installation ..................................... 294 .
Wiring Diagram ................................................... 244
. DTC P0420, P0430 THREE WAY CATALYST FUNC- EC
Diagnostic Procedure .......................................... 246. TION ....................................................................... 295
.
DTC P0181 FTT SENSOR ..................................... 250 . On Board Diagnosis Logic ................................... 295 .
Component Description ....................................... 250 . DTC Confirmation Procedure .............................. 295 .
On Board Diagnosis Logic .................................. 250 . Overall Function Check ....................................... 296 . C
DTC Confirmation Procedure .............................. 250 . Diagnostic Procedure .......................................... 297 .
Wiring Diagram ................................................... 252
. DTC P0441 EVAP CONTROL SYSTEM ................ 301 .
Diagnostic Procedure .......................................... 253. System Description .............................................. 301 . D
Component Inspection ........................................ 255 . On Board Diagnosis Logic ................................... 301 .
Removal and Installation ..................................... 255 . DTC Confirmation Procedure .............................. 301 .
DTC P0182, P0183 FTT SENSOR ........................ 256 . Overall Function Check ....................................... 302 . E
Component Description ....................................... 256 . Diagnostic Procedure .......................................... 303 .
On Board Diagnosis Logic .................................. 256 . DTC P0442 EVAP CONTROL SYSTEM ................ 306 .
DTC Confirmation Procedure .............................. 256 . On Board Diagnosis Logic ................................... 306 .
Wiring Diagram ................................................... 257
. DTC Confirmation Procedure .............................. 307 . F
Diagnostic Procedure .......................................... 258. Diagnostic Procedure .......................................... 308 .
Component Inspection ........................................ 260 . DTC P0444, P0445 EVAP CANISTER PURGE VOL-
Removal and Installation ..................................... 260 . UME CONTROL SOLENOID VALVE ..................... 314 . G
DTC P0222, P0223 TP SENSOR .......................... 261 . Description ........................................................... 314
.
Component Description ....................................... 261 . CONSULT-IIReferenceValueinDataMonitorMode
CONSULT-IIReferenceValueinDataMonitorMode . 314 H
. 261 On Board Diagnosis Logic ................................... 315 .
On Board Diagnosis Logic .................................. 261 . DTC Confirmation Procedure .............................. 315 .
DTC Confirmation Procedure .............................. 262 . Wiring Diagram .................................................... 316 .
I
Wiring Diagram ................................................... 263
. Diagnostic Procedure .......................................... 318 .
Diagnostic Procedure .......................................... 264. Component Inspection ......................................... 319 .
Component Inspection ........................................ 267 . Removal and Installation ..................................... 320 .
Removal and Installation ..................................... 267 . DTC P0447 EVAP CANISTER VENT CONTROL J
DTC P0300 - P0308 MULTIPLE CYLINDER MIS- VALVE .................................................................... 321
.
FIRE, NO. 1 - 8 CYLINDER MISFIRE .................... 268 . Component Description ....................................... 321 .
On Board Diagnosis Logic .................................. 268 . CONSULT-IIReferenceValueinDataMonitorMode K
DTC Confirmation Procedure .............................. 268 . . 321
Diagnostic Procedure .......................................... 269. On Board Diagnosis Logic ................................... 321 .
DTC P0327, P0328, P0332, P0333 KS ................. 276 . DTC Confirmation Procedure .............................. 322 . L
Component Description ....................................... 276 . Wiring Diagram .................................................... 323 .
On Board Diagnosis Logic .................................. 276 . Diagnostic Procedure .......................................... 324 .
DTC Confirmation Procedure .............................. 276 . Component Inspection ......................................... 326 .
Wiring Diagram ................................................... 277
. DTCP0451EVAP CONTROLSYSTEMPRESSURE M
Diagnostic Procedure .......................................... 278. SENSOR ................................................................ 328.
Component Inspection ........................................ 280 . Component Description ....................................... 328 .
Removal and Installation ..................................... 280 . CONSULT-IIReferenceValueinDataMonitorMode
DTC P0335 CKP SENSOR (POS) ......................... 281 . . 328
Component Description ....................................... 281 . On Board Diagnosis Logic ................................... 328 .
CONSULT-IIReferenceValueinDataMonitorMode DTC Confirmation Procedure .............................. 329 .
. 281 Diagnostic Procedure .......................................... 329 .
On Board Diagnosis Logic .................................. 281 . Component Inspection ......................................... 330 .
DTC Confirmation Procedure .............................. 281 . DTCP0452EVAP CONTROLSYSTEMPRESSURE
Wiring Diagram ................................................... 283
. SENSOR ................................................................ 331.
Diagnostic Procedure .......................................... 284. Component Description ....................................... 331 .
Component Inspection ........................................ 287 . CONSULT-IIReferenceValueinDataMonitorMode
Removal and Installation ..................................... 287 . . 331
DTC P0340 CMP SENSOR (PHASE) .................... 288 . On Board Diagnosis Logic ................................... 331 .
Component Description ....................................... 288 . DTC Confirmation Procedure .............................. 332 .
On Board Diagnosis Logic .................................. 288 . Wiring Diagram .................................................... 333 .
DTC Confirmation Procedure .............................. 288 .
Revision: October 2004 EC-3 2005 Titan
Diagnostic Procedure .......................................... 334 . .374
Component Inspection ......................................... 336 . On Board Diagnosis Logic ................................... 374 .
DTCP0453EVAPCONTROLSYSTEMPRESSURE DTC Confirmation Procedure ............................... 374 .
SENSOR ................................................................. 337
. Wiring Diagram .................................................... 375 .
Component Description ....................................... 337 . Diagnostic Procedure ........................................... 376 .
CONSULT-IIReferenceValueinDataMonitorMode Component Inspection ......................................... 378 .
. 337 Removal and Installation ...................................... 378 .
On Board Diagnosis Logic ................................... 337 . DTC P0605 ECM .................................................... 379 .
DTC Confirmation Procedure .............................. 338 . Component Description ....................................... 379 .
Wiring Diagram .................................................... 339 . On Board Diagnosis Logic ................................... 379 .
Diagnostic Procedure .......................................... 340 . DTC Confirmation Procedure ............................... 379 .
Component Inspection ......................................... 344 . Diagnostic Procedure ........................................... 380 .
DTC P0455 EVAP CONTROL SYSTEM ................ 345 . DTC P1031, P1032, P1051, P1052 A/F SENSOR 1
On Board Diagnosis Logic ................................... 345 . HEATER .................................................................. 382
.
DTC Confirmation Procedure .............................. 346 . Description ........................................................... 382
.
Diagnostic Procedure .......................................... 347 . CONSULT-IIReferenceValueinDataMonitorMode
DTC P0456 EVAP CONTROL SYSTEM ................ 353 . .382
On Board Diagnosis Logic ................................... 353 . On Board Diagnosis Logic ................................... 382 .
DTC Confirmation Procedure .............................. 354 . DTC Confirmation Procedure ............................... 382 .
Overall Function Check ....................................... 355 . Wiring Diagram .................................................... 383 .
Diagnostic Procedure .......................................... 356 . Diagnostic Procedure ........................................... 386 .
DTC P0460 FUEL LEVEL SENSOR ...................... 362 . Component Inspection ......................................... 388 .
Component Description ....................................... 362 . Removal and Installation ...................................... 388 .
On Board Diagnosis Logic ................................... 362 . DTC P1065 ECM POWER SUPPLY ....................... 389 .
DTC Confirmation Procedure .............................. 362 . Component Description ....................................... 389 .
Diagnostic Procedure .......................................... 363 . On Board Diagnosis Logic ................................... 389 .
Removal and Installation ..................................... 363 . DTC Confirmation Procedure ............................... 389 .
DTC P0461 FUEL LEVEL SENSOR ...................... 364 . Wiring Diagram .................................................... 390 .
Component Description ....................................... 364 . Diagnostic Procedure ........................................... 391 .
On Board Diagnosis Logic ................................... 364 . DTC P1121 ELECTRIC THROTTLE CONTROL
Overall Function Check ....................................... 364 . ACTUATOR ............................................................ 393.
Diagnostic Procedure .......................................... 365 . Component Description ....................................... 393 .
Removal and Installation ..................................... 365 . On Board Diagnosis Logic ................................... 393 .
DTC P0462, P0463 FUEL LEVEL SENSOR CIR- DTC Confirmation Procedure ............................... 393 .
CUIT ....................................................................... 366
. Diagnostic Procedure ........................................... 394 .
Component Description ....................................... 366 . DTC P1122 ELECTRIC THROTTLE CONTROL
On Board Diagnosis Logic ................................... 366 . FUNCTION ............................................................. 395
.
DTC Confirmation Procedure .............................. 366 . Description ........................................................... 395
.
Diagnostic Procedure .......................................... 367 . On Board Diagnosis Logic ................................... 395 .
Removal and Installation ..................................... 367 . DTC Confirmation Procedure ............................... 395 .
DTC P0500 VSS ..................................................... 368 . Wiring Diagram .................................................... 396 .
Description ........................................................... 368
. Diagnostic Procedure ........................................... 397 .
On Board Diagnosis Logic ................................... 368 . Component Inspection ......................................... 400 .
DTC Confirmation Procedure .............................. 368 . Removal and Installation ...................................... 400 .
Overall Function Check ....................................... 368 . DTC P1124, P1126 THROTTLE CONTROL MOTOR
Diagnostic Procedure .......................................... 369 . RELAY .................................................................... 401
.
DTC P0506 ISC SYSTEM ...................................... 370 . Component Description ....................................... 401 .
Description ........................................................... 370
. CONSULT-IIReferenceValueinDataMonitorMode
On Board Diagnosis Logic ................................... 370 . .401
DTC Confirmation Procedure .............................. 370 . On Board Diagnosis Logic ................................... 401 .
Diagnostic Procedure .......................................... 371 . DTC Confirmation Procedure ............................... 401 .
DTC P0507 ISC SYSTEM ...................................... 372 . Wiring Diagram .................................................... 403 .
Description ........................................................... 372
. Diagnostic Procedure ........................................... 404 .
On Board Diagnosis Logic ................................... 372 . DTC P1128 THROTTLE CONTROL MOTOR ........ 406 .
DTC Confirmation Procedure .............................. 372 . Component Description ....................................... 406 .
Diagnostic Procedure .......................................... 373 . On Board Diagnosis Logic ................................... 406 .
DTC P0550 PSP SENSOR ..................................... 374 . DTC Confirmation Procedure ............................... 406 .
Component Description ....................................... 374 . Wiring Diagram .................................................... 407 .
CONSULT-IIReferenceValueinDataMonitorMode Diagnostic Procedure ........................................... 408 .
Revision: October 2004 EC-4 2005 Titan
Component Inspection ........................................ 409 . On Board Diagnosis Logic ................................... 450 .
Removal and Installation ..................................... 410 . DTC Confirmation Procedure .............................. 450 . A
DTC P1146, P1166 HO2S2 .....................................411 . Wiring Diagram .................................................... 451
.
Component Description ........................................411 . Diagnostic Procedure .......................................... 452
.
CONSULT-IIReferenceValueinDataMonitorMode DTC P1271, P1281 A/F SENSOR 1 ...................... 455 . EC
..411 Component Description ....................................... 455 .
On Board Diagnosis Logic ...................................411 . CONSULT-IIReferenceValueinDataMonitorMode
DTC Confirmation Procedure .............................. 412 . . 455
Overall Function Check ....................................... 412 . On Board Diagnosis Logic ................................... 455 . C
Wiring Diagram ................................................... 414
. DTC Confirmation Procedure .............................. 455 .
Diagnostic Procedure .......................................... 417 . Wiring Diagram .................................................... 457
.
Component Inspection ........................................ 420 . Diagnostic Procedure .......................................... 460
. D
Removal and Installation ..................................... 421 . Removal and Installation ..................................... 463.
DTC P1147, P1167 HO2S2 .................................... 422 . DTC P1272, P1282 A/F SENSOR 1 ...................... 464 .
Component Description ....................................... 422 . Component Description ....................................... 464 . E
CONSULT-IIReferenceValueinDataMonitorMode CONSULT-IIReferenceValueinDataMonitorMode
. 422 . 464
On Board Diagnosis Logic .................................. 422 . On Board Diagnosis Logic ................................... 464 .
DTC Confirmation Procedure .............................. 423 . DTC Confirmation Procedure .............................. 464 . F
Overall Function Check ....................................... 423 . Wiring Diagram .................................................... 466
.
Wiring Diagram ................................................... 425
. Diagnostic Procedure .......................................... 469
.
Diagnostic Procedure .......................................... 428 . Removal and Installation ..................................... 472. G
Component Inspection ........................................ 431 . DTC P1273, P1283 A/F SENSOR 1 ...................... 473 .
Removal and Installation ..................................... 432 . Component Description ....................................... 473 .
DTC P1148, P1168 CLOSED LOOP CONTROL ... 433 . CONSULT-IIReferenceValueinDataMonitorMode H
On Board Diagnosis Logic .................................. 433 . . 473
DTC P1211 TCS CONTROL UNIT ........................ 434 . On Board Diagnosis Logic ................................... 473 .
Description .......................................................... 434
. DTC Confirmation Procedure .............................. 473 .
I
On Board Diagnosis Logic .................................. 434 . Wiring Diagram .................................................... 475
.
DTC Confirmation Procedure .............................. 434 . Diagnostic Procedure .......................................... 478
.
Diagnostic Procedure .......................................... 434 . Removal and Installation ..................................... 482.
DTC P1212 TCS COMMUNICATION LINE ........... 435 . DTC P1274, P1284 A/F SENSOR 1 ...................... 483 . J
Description .......................................................... 435
. Component Description ....................................... 483 .
On Board Diagnosis Logic .................................. 435 . CONSULT-IIReferenceValueinDataMonitorMode
DTC Confirmation Procedure .............................. 435 . . 483 K
Diagnostic Procedure .......................................... 435 . On Board Diagnosis Logic ................................... 483 .
DTC P1217 ENGINE OVER TEMPERATURE ...... 436 . DTC Confirmation Procedure .............................. 483 .
Description .......................................................... 436
. Wiring Diagram .................................................... 485
. L
CONSULT-IIReferenceValueinDataMonitorMode Diagnostic Procedure .......................................... 488
.
. 436 Removal and Installation ..................................... 492.
On Board Diagnosis Logic .................................. 437 . DTC P1276, P1286 A/F SENSOR 1 ...................... 493 .
Overall Function Check ....................................... 437 . Component Description ....................................... 493 . M
Wiring Diagram ................................................... 439
. CONSULT-IIReferenceValueinDataMonitorMode
Diagnostic Procedure .......................................... 441 . . 493
Main 12 Causes of Overheating .......................... 444 . On Board Diagnosis Logic ................................... 493 .
Component Inspection ........................................ 445 . DTC Confirmation Procedure .............................. 493 .
DTC P1225 TP SENSOR ....................................... 446 . Overall Function Check ....................................... 494.
Component Description ....................................... 446 . Wiring Diagram .................................................... 496
.
On Board Diagnosis Logic .................................. 446 . Diagnostic Procedure .......................................... 499
.
DTC Confirmation Procedure .............................. 446 . Removal and Installation ..................................... 502.
Diagnostic Procedure .......................................... 447 . DTC P1278, P1288 A/F SENSOR 1 ...................... 503 .
Removal and Installation ..................................... 447 . Component Description ....................................... 503 .
DTC P1226 TP SENSOR ....................................... 448 . CONSULT-IIReferenceValueinDataMonitorMode
Component Description ....................................... 448 . . 503
On Board Diagnosis Logic .................................. 448 . On Board Diagnosis Logic ................................... 503 .
DTC Confirmation Procedure .............................. 448 . DTC Confirmation Procedure .............................. 504 .
Diagnostic Procedure .......................................... 449 . Wiring Diagram .................................................... 506
.
Removal and Installation ..................................... 449 . Diagnostic Procedure .......................................... 509
.
DTC P1229 SENSOR POWER SUPPLY ............... 450 . Removal and Installation ..................................... 514.
Revision: October 2004 EC-5 2005 Titan
DTC P1279, P1289 A/F SENSOR 1 ....................... 515 . Overall Function Check ........................................ 559 .
Component Description ....................................... 515 . Wiring Diagram .................................................... 560
.
CONSULT-IIReferenceValueinDataMonitorMode Diagnostic Procedure ........................................... 561 .
. 515 DTC P1805 BRAKE SWITCH ................................ 563 .
On Board Diagnosis Logic ................................... 515 . Description ........................................................... 563
.
DTC Confirmation Procedure .............................. 516 . CONSULT-IIReferenceValueinDataMonitorMode
Wiring Diagram .................................................... 518 . .563
Diagnostic Procedure .......................................... 521 . On Board Diagnosis Logic ................................... 563 .
Removal and Installation ..................................... 526 . DTC Confirmation Procedure ............................... 563 .
DTC P1444 EVAP CANISTER PURGE VOLUME Wiring Diagram .................................................... 564
.
CONTROL SOLENOID VALVE .............................. 527 . Diagnostic Procedure ........................................... 565 .
Description ........................................................... 527
. Component Inspection ......................................... 567 .
CONSULT-IIReferenceValueinDataMonitorMode DTC P2122, P2123 APP SENSOR ........................ 568 .
. 527 Component Description ....................................... 568 .
On Board Diagnosis Logic ................................... 528 . CONSULT-IIReferenceValueinDataMonitorMode
DTC Confirmation Procedure .............................. 528 . .568
Wiring Diagram .................................................... 529 . On Board Diagnosis Logic ................................... 568 .
Diagnostic Procedure .......................................... 531 . DTC Confirmation Procedure ............................... 569 .
Component Inspection ......................................... 534 . Wiring Diagram .................................................... 570
.
Removal and Installation ..................................... 534 . Diagnostic Procedure ........................................... 571 .
DTC P1446 EVAP CANISTER VENT CONTROL Component Inspection ......................................... 573 .
VALVE .................................................................... 535
. Removal and Installation ...................................... 573 .
Component Description ....................................... 535 . DTC P2127, P2128 APP SENSOR ........................ 574 .
CONSULT-IIReferenceValueinDataMonitorMode Component Description ....................................... 574 .
. 535 CONSULT-IIReferenceValueinDataMonitorMode
On Board Diagnosis Logic ................................... 535 . .574
DTC Confirmation Procedure .............................. 536 . On Board Diagnosis Logic ................................... 574 .
Wiring Diagram .................................................... 537 . DTC Confirmation Procedure ............................... 575 .
Diagnostic Procedure .......................................... 538 . Wiring Diagram .................................................... 576
.
Component Inspection ......................................... 539 . Diagnostic Procedure ........................................... 577 .
DTC P1564 ASCD STEERING SWITCH ............... 541 . Component Inspection ......................................... 580 .
Component Description ....................................... 541 . Removal and Installation ...................................... 580 .
CONSULT-IIReferenceValueinDataMonitorMode DTC P2135 TP SENSOR ....................................... 581 .
. 541 Component Description ....................................... 581 .
On Board Diagnosis Logic ................................... 541 . CONSULT-IIReferenceValueinDataMonitorMode
DTC Confirmation Procedure .............................. 542 . .581
Wiring Diagram .................................................... 543 . On Board Diagnosis Logic ................................... 581 .
Diagnostic Procedure .......................................... 544 . DTC Confirmation Procedure ............................... 582 .
Component Inspection ......................................... 547 . Wiring Diagram .................................................... 583
.
DTC P1572 ASCD BRAKE SWITCH ..................... 548 . Diagnostic Procedure ........................................... 584 .
Component Description ....................................... 548 . Component Inspection ......................................... 587 .
CONSULT-IIReferenceValueinDataMonitorMode Removal and Installation ...................................... 587 .
. 548 DTC P2138 APP SENSOR ..................................... 588 .
On Board Diagnosis Logic ................................... 548 . Component Description ....................................... 588 .
DTC confirmation Procedure ............................... 549 . CONSULT-IIReferenceValueinDataMonitorMode
Wiring Diagram .................................................... 550 . .588
Diagnostic Procedure .......................................... 551 . On Board Diagnosis Logic ................................... 588 .
Component Inspection ......................................... 555 . DTC Confirmation Procedure ............................... 589 .
DTC P1574 ASCD VEHICLE SPEED SENSOR .... 556 . Wiring Diagram .................................................... 590
.
Component Description ....................................... 556 . Diagnostic Procedure ........................................... 591 .
On Board Diagnosis Logic ................................... 556 . Component Inspection ......................................... 595 .
DTC Confirmation Procedure .............................. 556 . Removal and Installation ...................................... 595 .
Diagnostic Procedure .......................................... 557 . IGNITION SIGNAL ................................................. 596 .
DTC P1706 PNP SWITCH ..................................... 558 . Component Description ....................................... 596 .
Component Description ....................................... 558 . Wiring Diagram .................................................... 597
.
CONSULT-IIReferenceValueinDataMonitorMode Diagnostic Procedure ........................................... 602 .
. 558 Component Inspection ......................................... 606 .
On Board Diagnosis Logic ................................... 558 . Removal and Installation ...................................... 607 .
DTC Confirmation Procedure .............................. 558 . INJECTOR CIRCUIT .............................................. 608 .
Revision: October 2004 EC-6 2005 Titan
Component Description ....................................... 608 . CONSULT-IIReferenceValueinDataMonitorMode
CONSULT-IIReferenceValueinDataMonitorMode . 626 A
. 608 Wiring Diagram .................................................... 627 .
Wiring Diagram ................................................... 609
. Diagnostic Procedure .......................................... 628 .
Diagnostic Procedure .......................................... 610 . Component Inspection ......................................... 632 . EC
Component Inspection ........................................ 613 . ASCD INDICATOR ................................................. 633 .
Removal and Installation ..................................... 613 . Component Description ....................................... 633 .
FUEL PUMP CIRCUIT ........................................... 614 . CONSULT-IIReferenceValueinDataMonitorMode
Description .......................................................... 614
. . 633 C
CONSULT-IIReferenceValueinDataMonitorMode Wiring Diagram .................................................... 634 .
. 614 Diagnostic Procedure .......................................... 635 .
Wiring Diagram ................................................... 615
. MIL AND DATA LINK CONNECTOR ..................... 636 . D
Diagnostic Procedure .......................................... 616 . Wiring Diagram .................................................... 636 .
Component Inspection ........................................ 619 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 638 .
Removal and Installation ..................................... 619 . Fuel Pressure ...................................................... 638 . E
REFRIGERANT PRESSURE SENSOR ................ 620 . Idle Speed and Ignition Timing ............................ 638 .
Component Description ....................................... 620 . Calculated Load Value ......................................... 638 .
Wiring Diagram ................................................... 621
. Mass Air Flow Sensor .......................................... 638 .
Diagnostic Procedure .......................................... 622 . Intake Air Temperature Sensor ............................ 638 . F
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