Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Frontier 2003-2005 Approved Nissan Frontier 2005 EC
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B ENGINE
A
ENGINE CONTROL SYSTEM
SECTION EC EC
C
D
E
CONTENTS
QR POSITIVE CRANKCASE VENTILATION ................ 51 . F
Description ............................................................. 51
.
INDEX FOR DTC ..................................................... 15 . Component Inspection ........................................... 51 .
DTC No. Index ...................................................... 15 . NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM- G
Alphabetical Index ................................................. 18 . NATS) ....................................................................... 53
.
PRECAUTIONS ....................................................... 22 . Description ............................................................. 53
.
Precautions for Supplemental Restraint System ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 54 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- H
Introduction ............................................................ 54
.
SIONER" ............................................................... 22. Two Trip Detection Logic ....................................... 54 .
On Board Diagnostic (OBD) System of Engine and Emission-related Diagnostic Information ............... 55 .
A/T ......................................................................... 22
. Malfunction Indicator Lamp (MIL) .......................... 69 . I
Precaution ............................................................. 22
. OBD System Operation Chart ............................... 72 .
Wiring Diagrams and Trouble Diagnosis ............... 25 . BASIC SERVICE PROCEDURE .............................. 78 .
PREPARATION ........................................................ 26 . Basic Inspection .................................................... 78 . J
Special Service Tools ............................................ 26 . Idle Speed and Ignition Timing Check ................... 83 .
Commercial Service Tools ..................................... 27 . Idle Mixture Ratio Adjustment ................................ 84 .
ENGINE CONTROL SYSTEM ................................. 29 . VIN Registration .................................................... 95 .
System Diagram .................................................... 29 . K
Accelerator Pedal Released Position Learning ..... 96 .
Multiport Fuel Injection (MFI) System ................... 30 . Throttle Valve Closed Position Learning ................ 96 .
Electronic Ignition (EI) System .............................. 32 . Idle Air Volume Learning ....................................... 96 .
Fuel Cut Control (at No Load and High Engine Fuel Pressure Check ............................................. 98 . L
Speed) ................................................................... 33
. TROUBLE DIAGNOSIS ......................................... 102 .
AIR CONDITIONING CUT CONTROL .................... 34 . Trouble Diagnosis Introduction ............................ 102 .
Input/output Signal Chart ...................................... 34 . DTC Inspection Priority Chart .............................. 108 . M
System Description ............................................... 34 . Fail-safe Chart ..................................................... 110.
AUTOMATIC SPEED CONTROL DEVICE (ASCD) 35 ... Symptom Matrix Chart ..........................................111 .
System Description ............................................... 35 . Engine Control Component Parts Location ......... 115 .
Component Description ......................................... 36 . Vacuum Hose Drawing ........................................ 121 .
CAN COMMUNICATION ......................................... 37 . Circuit Diagram .................................................... 122 .
System Description ............................................... 37 . ECM Harness Connector Terminal Layout .......... 124 .
EVAPORATIVE EMISSION SYSTEM ...................... 38 . ECM Terminals and Reference Value .................. 124 .
Description ............................................................ 38
. CONSULT-II Function (ENGINE) ......................... 131 .
Component Inspection .......................................... 41 . Generic Scan Tool (GST) Function ...................... 143 .
Removal and Installation ....................................... 42 . CONSULT-II Reference Value in Data Monitor .... 145 .
How to Detect Fuel Vapor Leakage ...................... 42 . Major Sensor Reference Graph in Data Monitor
ON BOARD REFUELING VAPOR RECOVERY Mode .................................................................... 149
.
(ORVR) ..................................................................... 45
. TROUBLE DIAGNOSIS - SPECIFICATION VALUE 151 .
System Description ............................................... 45 . Description ........................................................... 151
.
Diagnostic Procedure ............................................ 46 . Testing Condition ................................................. 151 .
Component Inspection .......................................... 49 .
Revision: November 2005 EC-1 2005 Frontier
Inspection Procedure ........................................... 151 . DTC Confirmation Procedure ............................... 199 .
Diagnostic Procedure .......................................... 152 . Wiring Diagram .................................................... 200
.
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI- Diagnostic Procedure ........................................... 201
.
DENT ...................................................................... 161
. Component Inspection ......................................... 202.
Description ........................................................... 161
. Removal and Installation ...................................... 202
.
Diagnostic Procedure .......................................... 161 . DTC P0117, P0118 ECT SENSOR ......................... 203 .
POWER SUPPLY AND GROUND CIRCUIT .......... 162 . Component Description ....................................... 203 .
Wiring Diagram .................................................... 162 . On Board Diagnosis Logic ................................... 203 .
Diagnostic Procedure .......................................... 165 . DTC Confirmation Procedure ............................... 204 .
Ground Inspection ............................................... 168 . Wiring Diagram .................................................... 205
.
DTC U1000, U1001 CAN COMMUNICATION LINE. 170 Diagnostic Procedure ........................................... 206
.
Description ........................................................... 170
. Component Inspection ......................................... 207.
On Board Diagnosis Logic ................................... 170 . Removal and Installation ...................................... 207
.
DTC Confirmation Procedure .............................. 170 . DTC P0122, P0123 TP SENSOR ........................... 208 .
Wiring Diagram .................................................... 171 . Component Description ....................................... 208 .
Diagnostic Procedure .......................................... 172 . CONSULT-II Reference Value in Data Monitor Mode
DTC P0011 IVT CONTROL .................................... 173 . .208
Description ........................................................... 173
. On Board Diagnosis Logic ................................... 208 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 209 .
. 173 Wiring Diagram .................................................... 210
.
On Board Diagnosis Logic ................................... 174 . Diagnostic Procedure ........................................... 211
.
DTC Confirmation Procedure .............................. 174 . Component Inspection ......................................... 214.
Diagnostic Procedure .......................................... 175 . Remove and Installation ...................................... 214.
Component Inspection ......................................... 176 . DTC P0125 ECT SENSOR ..................................... 215 .
Removal and Installation ..................................... 176 . Component Description ....................................... 215 .
DTC P0037, P0038 HO2S2 HEATER .................... 177 . On Board Diagnosis Logic ................................... 215 .
Description ........................................................... 177
. DTC Confirmation Procedure ............................... 215 .
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure ........................................... 216
.
. 177 Component Inspection ......................................... 217.
On Board Diagnosis Logic ................................... 177 . Removal and Installation ...................................... 217
.
DTC Confirmation Procedure .............................. 178 . DTC P0127 IAT SENSOR ....................................... 218 .
Wiring Diagram .................................................... 179 . Component Description ....................................... 218 .
Diagnostic Procedure .......................................... 180 . On Board Diagnosis Logic ................................... 218 .
Component Inspection ......................................... 182 . DTC Confirmation Procedure ............................... 218 .
Removal and Installation ..................................... 182 . Diagnostic Procedure ........................................... 219
.
DTC P0101 MAF SENSOR .................................... 183 . Component Inspection ......................................... 220.
Component Description ....................................... 183 . Removal and Installation ...................................... 220
.
CONSULT-II Reference Value in Data Monitor Mode DTC P0128 THERMOSTAT FUNCTION ................ 221 .
. 183 On Board Diagnosis Logic ................................... 221 .
On Board Diagnosis Logic ................................... 183 . DTC Confirmation Procedure ............................... 221 .
DTC Confirmation Procedure .............................. 184 . Diagnostic Procedure ........................................... 221
.
Overall Function Check ....................................... 185 . Component Inspection ......................................... 222.
Wiring Diagram .................................................... 186 . Removal and Installation ...................................... 222
.
Diagnostic Procedure .......................................... 187 . DTC P0138 HO2S2 ................................................ 223
.
Component Inspection ......................................... 190 . Component Description ....................................... 223 .
Removal and Installation ..................................... 191 . CONSULT-II Reference Value in Data Monitor Mode
DTC P0102, P0103 MAF SENSOR ........................ 192 . .223
Component Description ....................................... 192 . On Board Diagnosis Logic ................................... 223 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 224 .
. 192 Wiring Diagram .................................................... 225
.
On Board Diagnosis Logic ................................... 192 . Diagnostic Procedure ........................................... 226
.
DTC Confirmation Procedure .............................. 193 . Component Inspection ......................................... 227.
Wiring Diagram .................................................... 194 . Removal and Installation ...................................... 229
.
Diagnostic Procedure .......................................... 195 . DTC P0139 HO2S2 ................................................ 230
.
Component Inspection ......................................... 197 . Component Description ....................................... 230 .
Removal and Installation ..................................... 198 . CONSULT-II Reference Value in Data Monitor Mode
DTC P0112, P0113 IAT SENSOR .......................... 199 . .230
Component Description ....................................... 199 . On Board Diagnosis Logic ................................... 230 .
On Board Diagnosis Logic ................................... 199 . DTC Confirmation Procedure ............................... 231 .
Revision: November 2005 EC-2 2005 Frontier
Overall Function Check ....................................... 231
. DTC Confirmation Procedure .............................. 282 .
Wiring Diagram ................................................... 233
. Wiring Diagram .................................................... 283 . A
Diagnostic Procedure .......................................... 234
. Diagnostic Procedure .......................................... 284 .
Component Inspection ........................................ 236. Component Inspection ......................................... 287 .
Removal and Installation ..................................... 237
. Removal and Installation ..................................... 287 . EC
DTC P0171 FUEL INJECTION SYSTEM FUNCTION 238 . DTC P0340 CMP SENSOR (PHASE) .................... 288 .
On Board Diagnosis Logic .................................. 238 . Component Description ....................................... 288 .
DTC Confirmation Procedure .............................. 238 . CONSULT-II Reference Value in Data Monitor Mode
Wiring Diagram ................................................... 240
. . 288 C
Diagnostic Procedure .......................................... 241
. On Board Diagnosis Logic ................................... 288 .
DTC P0172 FUEL INJECTION SYSTEM FUNCTION 245 . DTC Confirmation Procedure .............................. 289 .
On Board Diagnosis Logic .................................. 245 . Wiring Diagram .................................................... 290 . D
DTC Confirmation Procedure .............................. 245 . Diagnostic Procedure .......................................... 291 .
Wiring Diagram ................................................... 247
. Component Inspection ......................................... 294 .
Diagnostic Procedure .......................................... 248
. Removal and Installation ..................................... 294 . E
DTC P0181 FTT SENSOR ..................................... 251 . DTC P0420 THREE WAY CATALYST FUNCTION . 295
Component Description ....................................... 251. On Board Diagnosis Logic ................................... 295 .
On Board Diagnosis Logic .................................. 251 . DTC Confirmation Procedure .............................. 295 .
DTC Confirmation Procedure .............................. 251 . Overall Function Check ....................................... 296 . F
Wiring Diagram ................................................... 253
. Diagnostic Procedure .......................................... 296 .
Diagnostic Procedure .......................................... 254
. DTC P0441 EVAP CONTROL SYSTEM ................ 300 .
Component Inspection ........................................ 256. System Description .............................................. 300 . G
Removal and Installation ..................................... 256
. On Board Diagnosis Logic ................................... 300 .
DTC P0182, P0183 FTT SENSOR ........................ 257 . DTC Confirmation Procedure .............................. 301 .
Component Description ....................................... 257. Overall Function Check ....................................... 301 . H
On Board Diagnosis Logic .................................. 257 . Diagnostic Procedure .......................................... 302 .
DTC Confirmation Procedure .............................. 257 . DTC P0442 EVAP CONTROL SYSTEM ................ 306 .
Wiring Diagram ................................................... 258
. On Board Diagnosis Logic ................................... 306 .
I
Diagnostic Procedure .......................................... 259
. DTC Confirmation Procedure .............................. 307 .
Component Inspection ........................................ 261. Diagnostic Procedure .......................................... 308 .
Removal and Installation ..................................... 261
. DTC P0444, P0445 EVAP CANISTER PURGE VOL-
DTC P0222, P0223 TP SENSOR .......................... 262 . UME CONTROL SOLENOID VALVE ..................... 314 . J
Component Description ....................................... 262. Description ........................................................... 314
.
CONSULT-II Reference Value in Data Monitor Mode CONSULT-II Reference Value in Data Monitor Mode
. 262 . 314 K
On Board Diagnosis Logic .................................. 262 . On Board Diagnosis Logic ................................... 315 .
DTC Confirmation Procedure .............................. 263 . DTC Confirmation Procedure .............................. 315 .
Wiring Diagram ................................................... 264
. Wiring Diagram .................................................... 316 .
L
Diagnostic Procedure .......................................... 265
. Diagnostic Procedure .......................................... 317 .
Component Inspection ........................................ 268. Component Inspection ......................................... 319 .
Remove and Installation ...................................... 268
. Removal and Installation ..................................... 319 .
DTC P0300 - P0304 MULTIPLE CYLINDER MIS- DTC P0447 EVAP CANISTER VENT CONTROL M
FIRE, NO. 1 - 4 CYLINDER MISFIRE .................... 269 . VALVE .................................................................... 320
.
On Board Diagnosis Logic .................................. 269 . Component Description ....................................... 320 .
DTC Confirmation Procedure .............................. 270 . CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 271
. . 320
DTC P0327, P0328 KS .......................................... 276 . On Board Diagnosis Logic ................................... 320 .
Component Description ....................................... 276. DTC Confirmation Procedure .............................. 321 .
On Board Diagnosis Logic .................................. 276 . Wiring Diagram .................................................... 322 .
DTC Confirmation Procedure .............................. 276 . Diagnostic Procedure .......................................... 323 .
Wiring Diagram ................................................... 277
. Component Inspection ......................................... 325 .
Diagnostic Procedure .......................................... 278
. DTC P0451 EVAP CONTROL SYSTEM PRESSURE
Component Inspection ........................................ 279. SENSOR ................................................................ 327
.
Removal and Installation ..................................... 280
. Component Description ....................................... 327 .
DTC P0335 CKP SENSOR (POS) ......................... 281 . CONSULT-II Reference Value in Data Monitor Mode
Component Description ....................................... 281. . 327
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 327 .
. 281 DTC Confirmation Procedure .............................. 328 .
On Board Diagnosis Logic .................................. 281 .
Revision: November 2005 EC-3 2005 Frontier
Diagnostic Procedure .......................................... 328 . DTC Confirmation Procedure ............................... 367 .
Component Inspection ......................................... 329 . Diagnostic Procedure ........................................... 368 .
DTC P0452 EVAP CONTROL SYSTEM PRESSURE DTC P0507 ISC SYSTEM ...................................... 369 .
SENSOR ................................................................. 330
. Description ........................................................... 369
.
Component Description ....................................... 330 . On Board Diagnosis Logic ................................... 369 .
CONSULT-II Reference Value in Data Monitor Mode DTC Confirmation Procedure ............................... 369 .
. 330 Diagnostic Procedure ........................................... 370 .
On Board Diagnosis Logic ................................... 330 . DTC P0550 PSP SENSOR ..................................... 371 .
DTC Confirmation Procedure .............................. 331 . Component Description ....................................... 371 .
Wiring Diagram .................................................... 332
. CONSULT-II Reference Value in Data Monitor Mode
Diagnostic Procedure .......................................... 333 . .371
Component Inspection ......................................... 335 . On Board Diagnosis Logic ................................... 371 .
DTC P0453 EVAP CONTROL SYSTEM PRESSURE DTC Confirmation Procedure ............................... 371 .
SENSOR ................................................................. 336
. Wiring Diagram .................................................... 372
.
Component Description ....................................... 336 . Diagnostic Procedure ........................................... 373 .
CONSULT-II Reference Value in Data Monitor Mode Component Inspection ......................................... 375 .
. 336 DTC P0605 ECM .................................................... 376 .
On Board Diagnosis Logic ................................... 336 . Component Description ....................................... 376 .
DTC Confirmation Procedure .............................. 337 . On Board Diagnosis Logic ................................... 376 .
Wiring Diagram .................................................... 338
. DTC Confirmation Procedure ............................... 376 .
Diagnostic Procedure .......................................... 339 . Diagnostic Procedure ........................................... 377 .
Component Inspection ......................................... 342 . DTC P1031, P1032 A/F SENSOR 1 HEATER ....... 379 .
DTC P0455 EVAP CONTROL SYSTEM ................ 343 . Description ........................................................... 379
.
On Board Diagnosis Logic ................................... 343 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 344 . .379
Diagnostic Procedure .......................................... 345 . On Board Diagnosis Logic ................................... 379 .
DTC P0456 EVAP CONTROL SYSTEM ................ 350 . DTC Confirmation Procedure ............................... 379 .
On Board Diagnosis Logic ................................... 350 . Wiring Diagram .................................................... 380
.
DTC Confirmation Procedure .............................. 351 . Diagnostic Procedure ........................................... 381 .
Overall Function Check ....................................... 352 . Component Inspection ......................................... 383 .
Diagnostic Procedure .......................................... 353 . Removal and Installation ...................................... 383 .
DTC P0460 FUEL LEVEL SENSOR ...................... 359 . DTC P1065 ECM POWER SUPPLY ....................... 384 .
Component Description ....................................... 359 . Component Description ....................................... 384 .
On Board Diagnostic Logic .................................. 359 . On Board Diagnosis Logic ................................... 384 .
DTC Confirmation Procedure .............................. 359 . DTC Confirmation Procedure ............................... 384 .
Diagnostic Procedure .......................................... 360 . Wiring Diagram .................................................... 385
.
Removal and Installation ..................................... 360 . Diagnostic Procedure ........................................... 386 .
DTC P0461 FUEL LEVEL SENSOR ...................... 361 . DTC P1111 IVT CONTROL SOLENOID VALVE .... 388 .
Component Description ....................................... 361 . Component Description ....................................... 388 .
On Board Diagnostic Logic .................................. 361 . CONSULT-II Reference Value in Data Monitor Mode
Overall Function Check ....................................... 361 . .388
Diagnostic Procedure .......................................... 362 . On Board Diagnosis Logic ................................... 388 .
Removal and Installation ..................................... 362 . DTC Confirmation Procedure ............................... 388 .
DTC P0462, P0463 FUEL LEVEL SENSOR ......... 363 . Wiring Diagram .................................................... 389
.
Component Description ....................................... 363 . Diagnostic Procedure ........................................... 390 .
On Board Diagnostic Logic .................................. 363 . Component Inspection ......................................... 391 .
DTC Confirmation Procedure .............................. 363 . Removal and Installation ...................................... 391 .
Diagnostic Procedure .......................................... 364 . DTC P1121 ELECTRIC THROTTLE CONTROL
Removal and Installation ..................................... 364 . ACTUATOR ............................................................ 392
.
DTC P0500 VSS ..................................................... 365. Component Description ....................................... 392 .
Description ........................................................... 365
. On Board Diagnosis Logic ................................... 392 .
On Board Diagnosis Logic ................................... 365 . DTC Confirmation Procedure ............................... 392 .
DTC Confirmation Procedure .............................. 365 . Diagnostic Procedure ........................................... 393 .
Overall Function Check ....................................... 365 . DTC P1122 ELECTRIC THROTTLE CONTROL
Diagnostic Procedure .......................................... 366 . FUNCTION ............................................................. 394
.
DTC P0506 ISC SYSTEM ...................................... 367 . Description ........................................................... 394
.
Description ........................................................... 367
. On Board Diagnosis Logic ................................... 394 .
On Board Diagnosis Logic ................................... 367 . DTC Confirmation Procedure ............................... 394 .
Wiring Diagram ....................................................
Revision: November 2005 EC-4 2005 Frontier
Diagnostic Procedure .......................................... 396 . Diagnostic Procedure .......................................... 434
.
Component Inspection ........................................ 399 . Remove and Installation ...................................... 434. A
Removal and Installation ..................................... 399 . DTC P1229 SENSOR POWER SUPPLY ............... 435 .
DTC P1124, P1126 THROTTLE CONTROL MOTOR On Board Diagnosis Logic ................................... 435 .
RELAY ................................................................... 400
. DTC Confirmation Procedure .............................. 435 . EC
Component Description ....................................... 400 . Wiring Diagram .................................................... 436
.
CONSULT-II Reference Value in Data Monitor Mode Diagnostic Procedure .......................................... 437
.
. 400 DTC P1271 A/F SENSOR 1 ................................... 440 .
On Board Diagnosis Logic .................................. 400 . Component Description ....................................... 440 . C
DTC Confirmation Procedure .............................. 400 . CONSULT-II Reference Value in Data Monitor Mode
Wiring Diagram ................................................... 402 . . 440
Diagnostic Procedure .......................................... 403 . On Board Diagnosis Logic ................................... 440 . D
DTC P1128 THROTTLE CONTROL MOTOR ....... 405 . DTC Confirmation Procedure .............................. 440 .
Component Description ....................................... 405 . Wiring Diagram .................................................... 442
.
On Board Diagnosis Logic .................................. 405 . Diagnostic Procedure .......................................... 443
. E
DTC Confirmation Procedure .............................. 405 . Removal and Installation ..................................... 444.
Wiring Diagram ................................................... 406 . DTC P1272 A/F SENSOR 1 ................................... 445 .
Diagnostic Procedure .......................................... 407 . Component Description ....................................... 445 .
Component Inspection ........................................ 408 . CONSULT-II Reference Value in Data Monitor Mode F
Removal and Installation ..................................... 409 . . 445
DTC P1146 HO2S2 ................................................ 410 . On Board Diagnosis Logic ................................... 445 .
Component Description ....................................... 410 . DTC Confirmation Procedure .............................. 445 . G
CONSULT-II Reference Value in Data Monitor Mode Wiring Diagram .................................................... 447
.
. 410 Diagnostic Procedure .......................................... 448
.
On Board Diagnosis Logic .................................. 410 . Removal and Installation ..................................... 449. H
DTC Confirmation Procedure ...............................411 . DTC P1273 A/F SENSOR 1 ................................... 450 .
Overall Function Check ........................................411 . Component Description ....................................... 450 .
Wiring Diagram ................................................... 413 . CONSULT-II Reference Value in Data Monitor Mode
I
Diagnostic Procedure .......................................... 414 . . 450
Component Inspection ........................................ 416 . On Board Diagnosis Logic ................................... 450 .
Removal and Installation ..................................... 417 . DTC Confirmation Procedure .............................. 450 .
DTC P1147 HO2S2 ................................................ 418 . Wiring Diagram .................................................... 452
. J
Component Description ....................................... 418 . Diagnostic Procedure .......................................... 453
.
CONSULT-II Reference Value in Data Monitor Mode Removal and Installation ..................................... 456.
. 418 DTC P1274 A/F SENSOR 1 ................................... 457 . K
On Board Diagnosis Logic .................................. 418 . Component Description ....................................... 457 .
DTC Confirmation Procedure .............................. 419 . CONSULT-II Reference Value in Data Monitor Mode
Overall Function Check ....................................... 419 . . 457
L
Wiring Diagram ................................................... 421 . On Board Diagnosis Logic ................................... 457 .
Diagnostic Procedure .......................................... 422 . DTC Confirmation Procedure .............................. 457 .
Component Inspection ........................................ 424 . Wiring Diagram .................................................... 459
.
Removal and Installation ..................................... 425 . Diagnostic Procedure .......................................... 460
. M
DTC P1148 CLOSED LOOP CONTROL ............... 426 . Removal and Installation ..................................... 463.
On Board Diagnosis Logic .................................. 426 . DTC P1276 A/F SENSOR 1 ................................... 464 .
DTC P1217 ENGINE OVER TEMPERATURE ...... 427 . Component Description ....................................... 464 .
On Board Diagnosis Logic .................................. 427 . CONSULT-II Reference Value in Data Monitor Mode
Overall Function Check ....................................... 427 . . 464
Diagnostic Procedure .......................................... 428 . On Board Diagnosis Logic ................................... 464 .
Main 12 Causes of Overheating .......................... 429 . DTC Confirmation Procedure .............................. 464 .
DTC P1225 TP SENSOR ....................................... 431 . Overall Function Check ....................................... 465.
Component Description ....................................... 431 . Wiring Diagram .................................................... 466
.
On Board Diagnosis Logic .................................. 431 . Diagnostic Procedure .......................................... 467
.
DTC Confirmation Procedure .............................. 431 . Removal and Installation ..................................... 468.
Diagnostic Procedure .......................................... 432 . DTC P1278 A/F SENSOR 1 ................................... 469 .
Remove and Installation ...................................... 432 . Component Description ....................................... 469 .
DTC P1226 TP SENSOR ....................................... 433 . CONSULT-II Reference Value in Data Monitor Mode
Component Description ....................................... 433 . . 469
On Board Diagnosis Logic .................................. 433 . On Board Diagnosis Logic ................................... 469 .
DTC Confirmation Procedure .............................. 433 . DTC Confirmation Procedure .............................. 470 .
Revision: November 2005 EC-5 2005 Frontier
Wiring Diagram .................................................... 472 . Diagnostic Procedure ........................................... 519 .
Diagnostic Procedure .......................................... 473 . Component Inspection ......................................... 522 .
Removal and Installation ..................................... 478 . DTC P1554 BATTERY CURRENT SENSOR ......... 523 .
DTC P1279 A/F SENSOR 1 ................................... 479 . Component Description ....................................... 523 .
Component Description ....................................... 479 . CONSULT-II Reference Value in Data Monitor Mode
CONSULT-II Reference Value in Data Monitor Mode .523
. 479 On Board Diagnosis Logic ................................... 523 .
On Board Diagnosis Logic ................................... 479 . Overall Function Check ........................................ 523 .
DTC Confirmation Procedure .............................. 480 . Wiring Diagram .................................................... 525
.
Wiring Diagram .................................................... 482 . Diagnostic Procedure ........................................... 526 .
Diagnostic Procedure .......................................... 483 . Component Inspection ......................................... 529 .
Removal and Installation ..................................... 488 . DTC P1564 ASCD STEERING SWITCH ............... 530 .
DTC P1444 EVAP CANISTER PURGE VOLUME Component Description ....................................... 530 .
CONTROL SOLENOID VALVE .............................. 489 . CONSULT-II Reference Value in Data Monitor Mode
Description ........................................................... 489
. .530
CONSULT-II Reference Value in Data Monitor Mode On Board Diagnosis Logic ................................... 530 .
. 489 DTC Confirmation Procedure ............................... 531 .
On Board Diagnosis Logic ................................... 490 . Wiring Diagram .................................................... 532
.
DTC Confirmation Procedure .............................. 490 . Diagnostic Procedure ........................................... 533 .
Wiring Diagram .................................................... 491 . Component Inspection ......................................... 536 .
Diagnostic Procedure .......................................... 492 . DTC P1572 ASCD BRAKE SWITCH ..................... 537 .
Component Inspection ......................................... 495 . Component Description ....................................... 537 .
Removal and Installation ..................................... 495 . CONSULT-II Reference Value in Data Monitor Mode
DTC P1446 EVAP CANISTER VENT CONTROL .537
VALVE .................................................................... 496
. On Board Diagnosis Logic ................................... 537 .
Component Description ....................................... 496 . DTC Confirmation Procedure ............................... 538 .
CONSULT-II Reference Value in Data Monitor Mode Wiring Diagram .................................................... 539
.
. 496 Diagnostic Procedure ........................................... 540 .
On Board Diagnosis Logic ................................... 496 . Component Inspection ......................................... 549 .
DTC Confirmation Procedure .............................. 497 . DTC P1574 ASCD VEHICLE SPEED SENSOR .... 550 .
Wiring Diagram .................................................... 498 . Component Description ....................................... 550 .
Diagnostic Procedure .......................................... 499 . On Board Diagnosis Logic ................................... 550 .
Component Inspection ......................................... 500 . DTC Confirmation Procedure ............................... 550 .
DTC P1550 BATTERY CURRENT SENSOR ......... 502 . Diagnostic Procedure ........................................... 551 .
Component Description ....................................... 502 . DTC P1706 PNP SWITCH ...................................... 552 .
CONSULT-II Reference Value in Data Monitor Mode Component Description ....................................... 552 .
. 502 CONSULT-II Reference Value in Data Monitor Mode
On Board Diagnosis Logic ................................... 502 . .552
DTC Confirmation Procedure .............................. 503 . On Board Diagnosis Logic ................................... 552 .
Wiring Diagram .................................................... 504 . DTC Confirmation Procedure ............................... 552 .
Diagnostic Procedure .......................................... 505 . Overall Function Check ........................................ 553 .
Component Inspection ......................................... 508 . Wiring Diagram .................................................... 554
.
DTC P1551, P1552 BATTERY CURRENT SENSOR 509 . Diagnostic Procedure ........................................... 555 .
Component Description ....................................... 509 . DTC P1715 INPUT SPEED SENSOR (TURBINE
CONSULT-II Reference Value in Data Monitor Mode REVOLUTION SENSOR) ....................................... 558 .
. 509 Description ........................................................... 558
.
On Board Diagnosis Logic ................................... 509 . CONSULT-II Reference Value in Data Monitor Mode
DTC Confirmation Procedure .............................. 510 . .558
Wiring Diagram .................................................... 511 . On Board Diagnosis Logic ................................... 558 .
Diagnostic Procedure .......................................... 512 . Diagnostic Procedure ........................................... 558 .
Component Inspection ......................................... 515 . DTC P1805 BRAKE SWITCH ................................ 559 .
DTC P1553 BATTERY CURRENT SENSOR ......... 516 . Description ........................................................... 559
.
Component Description ....................................... 516 . CONSULT-II Reference Value in Data Monitor Mode
CONSULT-II Reference Value in Data Monitor Mode .559
. 516 On Board Diagnosis Logic ................................... 559 .
On Board Diagnosis Logic ................................... 516 . DTC Confirmation Procedure ............................... 559 .
DTC Confirmation Procedure .............................. 517 . Wiring Diagram .................................................... 560
.
Wiring Diagram .................................................... 518 . Diagnostic Procedure ........................................... 561 .
Component Inspection ......................................... 563 .
Revision: November 2005 EC-6 2005 Frontier
DTC P2122, P2123 APP SENSOR ....................... 564 . Diagnostic Procedure .......................................... 610 .
Component Description ....................................... 564 . Component Inspection ......................................... 613 . A
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