Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti FX45 FX35 2003-2005 Approved FX45_35-S50-2005 ec

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ENGINE CONTROL SYSTEM


B ENGINE

                                                                                                                                                                        A




                                                                           ENGINE CONTROL SYSTEM
                                                                                                       SECTION                     EC                                   EC



                                                                                                                                                                        C


                                                                                                                                                                        D


                                                                                                                                                                        E
                                                                    CONTENTS
                                 VQ35DE                                              POSITIVE CRANKCASE VENTILATION ................ 51                        .        F
                                                                                       Description ............................................................. 51
                                                                                                                                                               .
INDEX FOR DTC ..................................................... 15      .          Component Inspection ........................................... 51     .
  DTC No. Index ...................................................... 15   .        IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-                                         G
  Alphabetical Index ................................................. 19   .        NATS) ....................................................................... 53
                                                                                                                                                               .
PRECAUTIONS ....................................................... 23      .          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" ............................................................... 23.          Two Trip Detection Logic ....................................... 54     .
  On Board Diagnostic (OBD) System of Engine and                                       Emission-Related Diagnostic Information .............. 55               .
  A/T ......................................................................... 23
                                                                            .          Malfunction Indicator Lamp (MIL) .......................... 69          .         I
  Precaution ............................................................. 23
                                                                            .          OBD System Operation Chart ............................... 72           .
PREPARATION ........................................................ 27     .        BASIC SERVICE PROCEDURE .............................. 78                 .
  Special Service Tools ............................................ 27     .          Basic Inspection .................................................... 78.        J
  Commercial Service Tools ..................................... 29         .          Idle Speed and Ignition Timing Check ................... 83             .
ENGINE CONTROL SYSTEM ................................. 30                  .          Idle Mixture Ratio Adjustment ................................ 85       .
  System Diagram .................................................... 30    .          VIN Registration .................................................... 96.
  Multiport Fuel Injection (MFI) System ................... 31              .                                                                                           K
                                                                                       Accelerator Pedal Released Position Learning ..... 96                   .
  Electronic Ignition (EI) System .............................. 33         .          Throttle Valve Closed Position Learning ................ 96             .
  Fuel Cut Control (at No Load and High Engine                                         Idle Air Volume Learning ....................................... 97     .
  Speed) ................................................................... 34
                                                                            .          Fuel Pressure Check ............................................. 99    .        L
AIR CONDITIONING CUT CONTROL .................... 35                        .        TROUBLE DIAGNOSIS ......................................... 101           .
  Input/Output Signal Chart ...................................... 35       .          Trouble Diagnosis Introduction ............................ 101         .
  System Description ............................................... 35     .          DTC Inspection Priority Chart .............................. 107        .        M
AUTOMATIC SPEED CONTROL DEVICE (ASCD) 36                                    ...        Fail-Safe Chart .................................................... 109.
  System Description ............................................... 36     .          Symptom Matrix Chart ......................................... 110      .
  Component Description ......................................... 37        .          Engine Control Component Parts Location ......... 114                   .
CAN COMMUNICATION ......................................... 38              .          Vacuum Hose Drawing ........................................ 120        .
  System Description ............................................... 38     .          Circuit Diagram .................................................... 121.
EVAPORATIVE EMISSION SYSTEM ...................... 39                       .          ECM Harness Connector Terminal Layout .......... 123                    .
  Description ............................................................ 39
                                                                            .          ECM Terminals and Reference Value .................. 123                .
  Component Inspection .......................................... 42        .          CONSULT-II Function (ENGINE) ......................... 132              .
  Removal and Installation ....................................... 43       .          Generic Scan Tool (GST) Function ...................... 144             .
  How to Detect Fuel Vapor Leakage ...................... 43                .          CONSULT-II Reference Value in Data Monitor .... 147                     .
ON BOARD REFUELING VAPOR RECOVERY                                                      Major Sensor Reference Graph in Data Monitor
(ORVR) ..................................................................... 46
                                                                            .          Mode .................................................................... 151
                                                                                                                                                               .
  System Description ............................................... 46     .        TROUBLE DIAGNOSIS - SPECIFICATION VALUE 153                               .
  Diagnostic Procedure ............................................ 47      .          Description ........................................................... 153
                                                                                                                                                               .
  Component Inspection .......................................... 49        .          Testing Condition ................................................. 153 .



Revision: 2005 July                                                            EC-1                                                                      2005 FX
 Inspection Procedure ........................................... 153     .        DTC Confirmation Procedure ............................... 203    .
 Diagnostic Procedure .......................................... 154      .        Wiring Diagram .................................................... 205
                                                                                                                                                     .
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-                                           Diagnostic Procedure ........................................... 206
                                                                                                                                                     .
DENT ...................................................................... 163
                                                                          .        Component Inspection ......................................... 207.
 Description ........................................................... 163
                                                                          .        Removal and Installation ...................................... 207
                                                                                                                                                     .
 Diagnostic Procedure .......................................... 163      .       DTC P0117, P0118 ECT SENSOR ......................... 208          .
POWER SUPPLY AND GROUND CIRCUIT .......... 164                            .        Component Description ....................................... 208 .
 Wiring Diagram .................................................... 164  .        On Board Diagnosis Logic ................................... 208  .
 Diagnostic Procedure .......................................... 165      .        DTC Confirmation Procedure ............................... 209    .
 Ground Inspection ............................................... 170    .        Wiring Diagram .................................................... 210
                                                                                                                                                     .
DTC U1000, U1001 CAN COMMUNICATION LINE. 171                                       Diagnostic Procedure ........................................... 211
                                                                                                                                                     .
 Description ........................................................... 171
                                                                          .        Component Inspection ......................................... 212.
 On Board Diagnosis Logic ................................... 171         .        Removal and Installation ...................................... 212
                                                                                                                                                     .
 DTC Confirmation Procedure .............................. 171            .       DTC P0122, P0123 TP SENSOR ........................... 213         .
 Wiring Diagram .................................................... 172  .        Component Description ....................................... 213 .
 Diagnostic Procedure .......................................... 173      .        CONSULT-II Reference Value in Data Monitor Mode
DTC P0011, P0021 IVT CONTROL ....................... 174                  .                                                                          .213
 Description ........................................................... 174
                                                                          .        On Board Diagnosis Logic ................................... 213  .
 CONSULT-II Reference Value in Data Monitor Mode                                   DTC Confirmation Procedure ............................... 214    .
                                                                          . 174    Wiring Diagram .................................................... 215
                                                                                                                                                     .
 On Board Diagnosis Logic ................................... 175         .        Diagnostic Procedure ........................................... 216
                                                                                                                                                     .
 DTC Confirmation Procedure .............................. 175            .        Component Inspection ......................................... 219.
 Diagnostic Procedure .......................................... 176      .        Removal and Installation ...................................... 219
                                                                                                                                                     .
 Component Inspection ......................................... 177       .       DTC P0125 ECT SENSOR ..................................... 220     .
 Removal and Installation ..................................... 177       .        Component Description ....................................... 220 .
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER 178                           .        On Board Diagnosis Logic ................................... 220  .
 Description ........................................................... 178
                                                                          .        DTC Confirmation Procedure ............................... 221    .
 CONSULT-II Reference Value in Data Monitor Mode                                   Diagnostic Procedure ........................................... 221
                                                                                                                                                     .
                                                                          . 178    Component Inspection ......................................... 222.
 On Board Diagnosis Logic ................................... 178         .        Removal and Installation ...................................... 222
                                                                                                                                                     .
 DTC Confirmation Procedure .............................. 179            .       DTC P0127 IAT SENSOR ....................................... 223   .
 Wiring Diagram .................................................... 180  .        Component Description ....................................... 223 .
 Diagnostic Procedure .......................................... 183      .        On Board Diagnosis Logic ................................... 223  .
 Component Inspection ......................................... 185       .        DTC Confirmation Procedure ............................... 223    .
 Removal and Installation ..................................... 185       .        Diagnostic Procedure ........................................... 224
                                                                                                                                                     .
DTC P0101 MAF SENSOR .................................... 186             .        Component Inspection ......................................... 225.
 Component Description ....................................... 186        .        Removal and Installation ...................................... 225
                                                                                                                                                     .
 CONSULT-II Reference Value in Data Monitor Mode                                  DTC P0128 THERMOSTAT FUNCTION ................ 226                 .
                                                                          . 186    On Board Diagnosis Logic ................................... 226  .
 On Board Diagnosis Logic ................................... 186         .        DTC Confirmation Procedure ............................... 226    .
 DTC Confirmation Procedure .............................. 187            .        Diagnostic Procedure ........................................... 226
                                                                                                                                                     .
 Overall Function Check ....................................... 188       .        Component Inspection ......................................... 227.
 Wiring Diagram .................................................... 189  .        Removal and Installation ...................................... 227
                                                                                                                                                     .
 Diagnostic Procedure .......................................... 190      .       DTC P0138, P0158 HO2S2 .................................... 228    .
 Component Inspection ......................................... 193       .        Component Description ....................................... 228 .
 Removal and Installation ..................................... 194       .        CONSULT-II Reference Value in Data Monitor Mode
DTC P0102, P0103 MAF SENSOR ........................ 195                  .                                                                          .228
 Component Description ....................................... 195        .        On Board Diagnosis Logic ................................... 228  .
 CONSULT-II Reference Value in Data Monitor Mode                                   DTC Confirmation Procedure ............................... 229    .
                                                                          . 195    Wiring Diagram .................................................... 230
                                                                                                                                                     .
 On Board Diagnosis Logic ................................... 195         .        Diagnostic Procedure ........................................... 233
                                                                                                                                                     .
 DTC Confirmation Procedure .............................. 196            .        Component Inspection ......................................... 235.
 Wiring Diagram .................................................... 197  .        Removal and Installation ...................................... 236
                                                                                                                                                     .
 Diagnostic Procedure .......................................... 198      .       DTC P0139, P0159 HO2S2 .................................... 237    .
 Component Inspection ......................................... 201       .        Component Description ....................................... 237 .
 Removal and Installation ..................................... 202       .        CONSULT-II Reference Value in Data Monitor Mode
DTC P0112, P0113 IAT SENSOR .......................... 203                .                                                                          .237
 Component Description ....................................... 203        .        On Board Diagnosis Logic ................................... 237  .
 On Board Diagnosis Logic ................................... 203         .        DTC Confirmation Procedure ............................... 238    .

Revision: 2005 July                                                          EC-2                                                              2005 FX
  Overall Function Check ....................................... 238 .                                                                                  . 300
  Wiring Diagram ................................................... 240
                                                                     .         On Board Diagnosis Logic ................................... 300         .       A
  Diagnostic Procedure .......................................... 243.         DTC Confirmation Procedure .............................. 300            .
  Component Inspection ........................................ 245  .         Wiring Diagram .................................................... 302  .
  Removal and Installation ..................................... 247 .         Diagnostic Procedure .......................................... 303      .       EC
DTC P0171, P0174 FUEL INJECTION SYSTEM                                         Component Inspection ......................................... 306       .
FUNCTION ............................................................. 248
                                                                     .         Removal and Installation ..................................... 306       .
  On Board Diagnosis Logic .................................. 248    .       DTC P0340, P0345 CMP SENSOR (PHASE) ....... 307                            .
  DTC Confirmation Procedure .............................. 248      .         Component Description ....................................... 307        .       C
  Wiring Diagram ................................................... 250
                                                                     .         CONSULT-II Reference Value in Data Monitor Mode
  Diagnostic Procedure .......................................... 252.                                                                                  . 307
DTC P0172, P0175 FUEL INJECTION SYSTEM                                         On Board Diagnosis Logic ................................... 307         .       D
FUNCTION ............................................................. 258
                                                                     .         DTC Confirmation Procedure .............................. 307            .
  On Board Diagnosis Logic .................................. 258    .         Wiring Diagram .................................................... 309  .
  DTC Confirmation Procedure .............................. 258      .         Diagnostic Procedure .......................................... 312      .       E
  Wiring Diagram ................................................... 260
                                                                     .         Component Inspection ......................................... 315       .
  Diagnostic Procedure .......................................... 262.         Removal and Installation ..................................... 315       .
DTC P0181 FTT SENSOR ..................................... 267       .       DTC P0420, P0430 THREE WAY CATALYST FUNC-
  Component Description ....................................... 267  .       TION ....................................................................... 316
                                                                                                                                                        .       F
  On Board Diagnosis Logic .................................. 267    .         On Board Diagnosis Logic ................................... 316         .
  DTC Confirmation Procedure .............................. 267      .         DTC Confirmation Procedure .............................. 316            .
  Wiring Diagram ................................................... 269
                                                                     .         Overall Function Check ....................................... 317       .       G
  Diagnostic Procedure .......................................... 270.         Diagnostic Procedure .......................................... 318      .
  Component Inspection ........................................ 271  .       DTC P0441 EVAP CONTROL SYSTEM ................ 322                         .
  Removal and Installation ..................................... 272 .         System Description .............................................. 322    .       H
DTC P0182, P0183 FTT SENSOR ........................ 273             .         On Board Diagnosis Logic ................................... 322         .
  Component Description ....................................... 273  .         DTC Confirmation Procedure .............................. 322            .
  On Board Diagnosis Logic .................................. 273    .         Overall Function Check ....................................... 323       .
                                                                                                                                                                 I
  DTC Confirmation Procedure .............................. 273      .         Diagnostic Procedure .......................................... 324      .
  Wiring Diagram ................................................... 274
                                                                     .       DTC P0442 EVAP CONTROL SYSTEM ................ 327                         .
  Diagnostic Procedure .......................................... 275.         On Board Diagnosis Logic ................................... 327         .
  Component Inspection ........................................ 276  .         DTC Confirmation Procedure .............................. 328            .       J
  Removal and Installation ..................................... 277 .         Diagnostic Procedure .......................................... 329      .
DTC P0222, P0223 TP SENSOR .......................... 278            .       DTC P0444, P0445 EVAP CANISTER PURGE VOL-
  Component Description ....................................... 278  .       UME CONTROL SOLENOID VALVE ..................... 336                       .       K
  CONSULT-II Reference Value in Data Monitor Mode                              Description ........................................................... 336
                                                                                                                                                        .
                                                                     . 278     CONSULT-II Reference Value in Data Monitor Mode
  On Board Diagnosis Logic .................................. 278    .                                                                                  . 336   L
  DTC Confirmation Procedure .............................. 279      .         On Board Diagnosis Logic ................................... 337         .
  Wiring Diagram ................................................... 280
                                                                     .         DTC Confirmation Procedure .............................. 337            .
  Diagnostic Procedure .......................................... 281.         Wiring Diagram .................................................... 338  .
  Component Inspection ........................................ 284  .         Diagnostic Procedure .......................................... 340      .       M
  Removal and Installation ..................................... 284 .         Component Inspection ......................................... 341       .
DTC P0300 - P0306 MULTIPLE CYLINDER MIS-                                       Removal and Installation ..................................... 342       .
FIRE, NO. 1 - 6 CYLINDER MISFIRE .................... 285            .       DTC P0447 EVAP CANISTER VENT CONTROL
  On Board Diagnosis Logic .................................. 285    .       VALVE .................................................................... 343
                                                                                                                                                        .
  DTC Confirmation Procedure .............................. 285      .         Component Description ....................................... 343        .
  Diagnostic Procedure .......................................... 286.         CONSULT-II Reference Value in Data Monitor Mode
DTC P0327, P0328 KS .......................................... 295   .                                                                                  . 343
  Component Description ....................................... 295  .         On Board Diagnosis Logic ................................... 343         .
  On Board Diagnosis Logic .................................. 295    .         DTC Confirmation Procedure .............................. 344            .
  DTC Confirmation Procedure .............................. 295      .         Wiring Diagram .................................................... 345  .
  Wiring Diagram ................................................... 296
                                                                     .         Diagnostic Procedure .......................................... 346      .
  Diagnostic Procedure .......................................... 297.         Component Inspection ......................................... 348       .
  Component Inspection ........................................ 298  .       DTC P0451 EVAP CONTROL SYSTEM PRESSURE
  Removal and Installation ..................................... 299 .       SENSOR ................................................................ 350.
DTC P0335 CKP SENSOR (POS) ......................... 300             .         Component Description ....................................... 350        .
  Component Description ....................................... 300  .         CONSULT-II Reference Value in Data Monitor Mode
  CONSULT-II Reference Value in Data Monitor Mode                                                                                                       . 350

Revision: 2005 July                                                     EC-3                                                                     2005 FX
 On Board Diagnosis Logic ................................... 350      .        On Board Diagnosis Logic ................................... 393         .
 DTC Confirmation Procedure .............................. 351         .        DTC Confirmation Procedure ............................... 393           .
 Diagnostic Procedure .......................................... 351   .        Diagnostic Procedure ........................................... 394     .
 Component Inspection ......................................... 352    .       DTC P0507 ISC SYSTEM ...................................... 395           .
DTC P0452 EVAP CONTROL SYSTEM PRESSURE                                          Description ........................................................... 395
                                                                                                                                                         .
SENSOR ................................................................. 353
                                                                       .        On Board Diagnosis Logic ................................... 395         .
 Component Description ....................................... 353     .        DTC Confirmation Procedure ............................... 395           .
 CONSULT-II Reference Value in Data Monitor Mode                                Diagnostic Procedure ........................................... 396     .
                                                                       . 353   DTC P0550 PSP SENSOR ..................................... 397            .
 On Board Diagnosis Logic ................................... 353      .        Component Description ....................................... 397        .
 DTC Confirmation Procedure .............................. 354         .        CONSULT-II Reference Value in Data Monitor Mode
 Wiring Diagram .................................................... 355
                                                                       .                                                                                 .397
 Diagnostic Procedure .......................................... 356   .        On Board Diagnosis Logic ................................... 397         .
 Component Inspection ......................................... 358    .        DTC Confirmation Procedure ............................... 397           .
DTC P0453 EVAP CONTROL SYSTEM PRESSURE                                          Wiring Diagram .................................................... 398  .
SENSOR ................................................................. 359
                                                                       .        Diagnostic Procedure ........................................... 399     .
 Component Description ....................................... 359     .        Component Inspection ......................................... 401       .
 CONSULT-II Reference Value in Data Monitor Mode                                Removal and Installation ...................................... 401      .
                                                                       . 359   DTC P0605 ECM .................................................... 402    .
 On Board Diagnosis Logic ................................... 359      .        Component Description ....................................... 402        .
 DTC Confirmation Procedure .............................. 360         .        On Board Diagnosis Logic ................................... 402         .
 Wiring Diagram .................................................... 361
                                                                       .        DTC Confirmation Procedure ............................... 402           .
 Diagnostic Procedure .......................................... 362   .        Diagnostic Procedure ........................................... 403     .
 Component Inspection ......................................... 366    .       DTC P1031, P1032, P1051, P1052 A/F SENSOR 1
DTC P0455 EVAP CONTROL SYSTEM ................ 367                     .       HEATER .................................................................. 405
                                                                                                                                                         .
 On Board Diagnosis Logic ................................... 367      .        Description ........................................................... 405
                                                                                                                                                         .
 DTC Confirmation Procedure .............................. 368         .        CONSULT-II Reference Value in Data Monitor Mode
 Diagnostic Procedure .......................................... 369   .                                                                                 .405
DTC P0456 EVAP CONTROL SYSTEM ................ 375                     .        On Board Diagnosis Logic ................................... 405         .
 On Board Diagnosis Logic ................................... 375      .        DTC Confirmation Procedure ............................... 405           .
 DTC Confirmation Procedure .............................. 376         .        Wiring Diagram .................................................... 407  .
 Overall Function Check ....................................... 377    .        Diagnostic Procedure ........................................... 410     .
 Diagnostic Procedure .......................................... 378   .        Component Inspection ......................................... 412       .
DTC P0460 FUEL LEVEL SENSOR ...................... 385                 .        Removal and Installation ...................................... 412      .
 Component Description ....................................... 385     .       DTC P1065 ECM POWER SUPPLY ....................... 413                    .
 On Board Diagnosis Logic ................................... 385      .        Component Description ....................................... 413        .
 DTC Confirmation Procedure .............................. 385         .        On Board Diagnosis Logic ................................... 413         .
 Diagnostic Procedure .......................................... 386   .        DTC Confirmation Procedure ............................... 413           .
 Removal and Installation ..................................... 386    .        Wiring Diagram .................................................... 414  .
DTC P0461 FUEL LEVEL SENSOR ...................... 387                 .        Diagnostic Procedure ........................................... 415     .
 Component Description ....................................... 387     .       DTC P1111, P1136 IVT CONTROL SOLENOID
 On Board Diagnosis Logic ................................... 387      .       VALVE ..................................................................... 417
                                                                                                                                                         .
 Overall Function Check ....................................... 387    .        Component Description ....................................... 417        .
 Diagnostic Procedure .......................................... 388   .        CONSULT-II Reference Value in Data Monitor Mode
 Removal and Installation ..................................... 388    .                                                                                 .417
DTC P0462, P0463 FUEL LEVEL SENSOR ......... 389                       .        On Board Diagnosis Logic ................................... 417         .
 Component Description ....................................... 389     .        DTC Confirmation Procedure ............................... 417           .
 On Board Diagnosis Logic ................................... 389      .        Wiring Diagram .................................................... 418  .
 DTC Confirmation Procedure .............................. 389         .        Diagnostic Procedure ........................................... 421     .
 Diagnostic Procedure .......................................... 390   .        Component Inspection ......................................... 422       .
 Removal and Installation ..................................... 390    .        Removal and Installation ...................................... 423      .
DTC P0500 VSS ..................................................... 391.       DTC P1121 ELECTRIC THROTTLE CONTROL
 Description ........................................................... 391
                                                                       .       ACTUATOR ............................................................ 424 .
 On Board Diagnosis Logic ................................... 391      .        Component Description ....................................... 424        .
 DTC Confirmation Procedure .............................. 391         .        On Board Diagnosis Logic ................................... 424         .
 Overall Function Check ....................................... 391    .        DTC Confirmation Procedure ............................... 424           .
 Diagnostic Procedure .......................................... 392   .        Diagnostic Procedure ........................................... 425     .
DTC P0506 ISC SYSTEM ...................................... 393        .       DTC P1122 ELECTRIC THROTTLE CONTROL
 Description ........................................................... 393
                                                                       .

Revision: 2005 July                                                       EC-4                                                                    2005 FX
FUNCTION ............................................................. 426
                                                                        .       DTC P1217 ENGINE OVER TEMPERATURE ....... 467                          .
 Description .......................................................... 426
                                                                        .        Description ........................................................... 467
                                                                                                                                                       .       A
 On Board Diagnosis Logic .................................. 426        .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 426          .                                                                              . 469
 Wiring Diagram ................................................... 427 .        On Board Diagnosis Logic ................................... 469      .       EC
 Diagnostic Procedure .......................................... 428    .        Overall Function Check ....................................... 469    .
 Component Inspection ........................................ 431      .        Wiring Diagram .................................................... 471
                                                                                                                                                       .
 Remove and Installation ...................................... 431     .        Diagnostic Procedure .......................................... 473   .
DTC P1124, P1126 THROTTLE CONTROL MOTOR                                          Main 12 Causes of Overheating .......................... 478          .       C
RELAY ................................................................... 432
                                                                        .        Component Inspection ......................................... 478    .
 Component Description ....................................... 432      .       DTC P1225 TP SENSOR ....................................... 479        .
 CONSULT-II Reference Value in Data Monitor Mode                                 Component Description ....................................... 479     .       D
                                                                        . 432    On Board Diagnosis Logic ................................... 479      .
 On Board Diagnosis Logic .................................. 432        .        DTC Confirmation Procedure .............................. 479         .
 DTC Confirmation Procedure .............................. 432          .        Diagnostic Procedure .......................................... 480   .       E
 Wiring Diagram ................................................... 434 .        Removal and Installation ..................................... 480    .
 Diagnostic Procedure .......................................... 435    .       DTC P1226 TP SENSOR ....................................... 481        .
DTC P1128 THROTTLE CONTROL MOTOR ....... 437                            .        Component Description ....................................... 481     .
 Component Description ....................................... 437      .        On Board Diagnosis Logic ................................... 481      .       F
 On Board Diagnosis Logic .................................. 437        .        DTC Confirmation Procedure .............................. 481         .
 DTC Confirmation Procedure .............................. 437          .        Diagnostic Procedure .......................................... 482   .
 Wiring Diagram ................................................... 438 .        Removal and Installation ..................................... 482    .       G
 Diagnostic Procedure .......................................... 439    .       DTC P1229 SENSOR POWER SUPPLY ............... 483                      .
 Component Inspection ........................................ 440      .        On Board Diagnosis Logic ................................... 483      .
 Removal and Installation ..................................... 441     .        DTC Confirmation Procedure .............................. 483         .       H
DTC P1146, P1166 HO2S2 .................................... 442         .        Wiring Diagram .................................................... 484
                                                                                                                                                       .
 Component Description ....................................... 442      .        Diagnostic Procedure .......................................... 485   .
 CONSULT-II Reference Value in Data Monitor Mode                                DTC P1271, P1281 A/F SENSOR 1 ...................... 488               .
                                                                                                                                                                I
                                                                        . 442    Component Description ....................................... 488     .
 On Board Diagnosis Logic .................................. 442        .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 443          .                                                                              . 488
 Overall Function Check ....................................... 443     .        On Board Diagnosis Logic ................................... 488      .       J
 Wiring Diagram ................................................... 445 .        DTC Confirmation Procedure .............................. 488         .
 Diagnostic Procedure .......................................... 448    .        Wiring Diagram .................................................... 490
                                                                                                                                                       .
 Component Inspection ........................................ 450      .        Diagnostic Procedure .......................................... 493   .       K
 Removal and Installation ..................................... 452     .        Removal and Installation ..................................... 496    .
DTC P1147, P1167 HO2S2 .................................... 453         .       DTC P1272, P1282 A/F SENSOR 1 ...................... 497               .
 Component Description ....................................... 453      .        Component Description ....................................... 497     .       L
 CONSULT-II Reference Value in Data Monitor Mode                                 CONSULT-II Reference Value in Data Monitor Mode
                                                                        . 453                                                                          . 497
 On Board Diagnosis Logic .................................. 453        .        On Board Diagnosis Logic ................................... 497      .
 DTC Confirmation Procedure .............................. 454          .        DTC Confirmation Procedure .............................. 497         .       M
 Overall Function Check ....................................... 454     .        Wiring Diagram .................................................... 499
                                                                                                                                                       .
 Wiring Diagram ................................................... 456 .        Diagnostic Procedure .......................................... 502   .
 Diagnostic Procedure .......................................... 459    .        Removal and Installation ..................................... 505    .
 Component Inspection ........................................ 461      .       DTC P1273, P1283 A/F SENSOR 1 ...................... 506               .
 Removal and Installation ..................................... 463     .        Component Description ....................................... 506     .
DTC P1148, P1168 CLOSED LOOP CONTROL ... 464                            .        CONSULT-II Reference Value in Data Monitor Mode
 On Board Diagnosis Logic .................................. 464        .                                                                              . 506
DTC P1211 TCS CONTROL UNIT ........................ 465                 .        On Board Diagnosis Logic ................................... 506      .
 Description .......................................................... 465
                                                                        .        DTC Confirmation Procedure .............................. 506         .
 On Board Diagnosis Logic .................................. 465        .        Wiring Diagram .................................................... 508
                                                                                                                                                       .
 DTC Confirmation Procedure .............................. 465          .        Diagnostic Procedure .......................................... 511   .
 Diagnostic Procedure .......................................... 465    .        Removal and Installation ..................................... 515    .
DTC P1212 TCS COMMUNICATION LINE ........... 466                        .       DTC P1274, P1284 A/F SENSOR 1 ...................... 516               .
 Description .......................................................... 466
                                                                        .        Component Description ....................................... 516     .
 On Board Diagnosis Logic .................................. 466        .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 466          .                                                                              . 516
 Diagnostic Procedure .......................................... 466    .        On Board Diagnosis Logic ................................... 516      .

Revision: 2005 July                                                       EC-5                                                                  2005 FX
 DTC Confirmation Procedure .............................. 516           .        Wiring Diagram .................................................... 576
                                                                                                                                                        .
 Wiring Diagram .................................................... 518 .        Diagnostic Procedure ........................................... 577  .
 Diagnostic Procedure .......................................... 521     .        Component Inspection ......................................... 580    .
 Removal and Installation ..................................... 525      .       DTC P1564 ASCD STEERING SWITCH ............... 581                     .
DTC P1276, P1286 A/F SENSOR 1 ....................... 526                .        Component Description ....................................... 581     .
 Component Description ....................................... 526       .        CONSULT-II Reference Value in Data Monitor Mode
 CONSULT-II Reference Value in Data Monitor Mode                                                                                                        .581
                                                                         . 526    On Board Diagnosis Logic ................................... 581      .
 On Board Diagnosis Logic ................................... 526        .        DTC Confirmation Procedure ............................... 582        .
 DTC Confirmation Procedure .............................. 526           .        Wiring Diagram .................................................... 583
                                                                                                                                                        .
 Overall Function Check ....................................... 527      .        Diagnostic Procedure ........................................... 584  .
 Wiring Diagram .................................................... 529 .        Component Inspection ......................................... 586    .
 Diagnostic Procedure .......................................... 532     .       DTC P1568 ICC FUNCTION .................................. 587          .
 Removal and Installation ..................................... 535      .        On Board Diagnosis Logic ................................... 587      .
DTC P1278, P1288 A/F SENSOR 1 ....................... 536                .        DTC Confirmation Procedure ............................... 587        .
 Component Description ....................................... 536       .        Diagnostic Procedure ........................................... 587  .
 CONSULT-II Reference Value in Data Monitor Mode                                 DTC P1572 ICC BRAKE SWITCH ......................... 588               .
                                                                         . 536    Component Description ....................................... 588     .
 On Board Diagnosis Logic ................................... 536        .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 537           .                                                                              .588
 Wiring Diagram .................................................... 539 .        On Board Diagnosis Logic ................................... 588      .
 Diagnostic Procedure .......................................... 542     .        DTC Confirmation Procedure ............................... 589        .
 Removal and Installation ..................................... 547      .        Wiring Diagram .................................................... 590
                                                                                                                                                        .
DTC P1279, P1289 A/F SENSOR 1 ....................... 548                .        Diagnostic Procedure ........................................... 591  .
 Component Description ....................................... 548       .        Component Inspection ......................................... 596    .
 CONSULT-II Reference Value in Data Monitor Mode                                 DTC P1572 ASCD BRAKE SWITCH ..................... 597                  .
                                                                         . 548    Component Description ....................................... 597     .
 On Board Diagnosis Logic ................................... 548        .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 549           .                                                                              .597
 Wiring Diagram .................................................... 551 .        On Board Diagnosis Logic ................................... 597      .
 Diagnostic Procedure .......................................... 554     .        DTC Confirmation Procedure ............................... 598        .
 Removal and Installation ..................................... 559      .        Wiring Diagram .................................................... 599
                                                                                                                                                        .
DTC P1444 EVAP CANISTER PURGE VOLUME                                              Diagnostic Procedure ........................................... 600  .
CONTROL SOLENOID VALVE .............................. 560                .        Component Inspection ......................................... 604    .
 Description ........................................................... 560
                                                                         .       DTC P1574 ICC VEHICLE SPEED SENSOR ........ 605                        .
 CONSULT-II Reference Value in Data Monitor Mode                                  Component Description ....................................... 605     .
                                                                         . 560    On Board Diagnosis Logic ................................... 605      .
 On Board Diagnosis Logic ................................... 561        .        DTC Confirmation Procedure ............................... 605        .
 DTC Confirmation Procedure .............................. 561           .        Diagnostic Procedure ........................................... 606  .
 Wiring Diagram .................................................... 562 .       DTC P1574 ASCD VEHICLE SPEED SENSOR .... 607                           .
 Diagnostic Procedure .......................................... 564     .        Component Description ....................................... 607     .
 Component Inspection ......................................... 567      .        On Board Diagnosis Logic ................................... 607      .
 Removal and Installation ..................................... 567      .        DTC Confirmation Procedure ............................... 607        .
DTC P1446 EVAP CANISTER VENT CONTROL                                              Diagnostic Procedure ........................................... 608  .
VALVE .................................................................... 568
                                                                         .       DTC P1706 PNP SWITCH ...................................... 609        .
 Component Description ....................................... 568       .        Component Description ....................................... 609     .
 CONSULT-II Reference Value in Data Monitor Mode                                  CONSULT-II Reference Value in Data Monitor Mode
                                                                         . 568                                                                          .609
 On Board Diagnosis Logic ................................... 568        .        On Board Diagnosis Logic ................................... 609      .
 DTC Confirmation Procedure .............................. 569           .        DTC Confirmation Procedure ............................... 609        .
 Wiring Diagram .................................................... 570 .        Overall Function Check ........................................ 609   .
 Diagnostic Procedure .......................................... 571     .        Wiring Diagram .................................................... 611
                                                                                                                                                        .
 Component Inspection ......................................... 572      .        Diagnostic Procedure ........................................... 612  .
DTC P1564 ICC STEERING SWITCH ................... 574                    .       DTC P1805 BRAKE SWITCH ................................ 614            .
 Component Description ....................................... 574       .        Description ........................................................... 614
                                                                                                                                                        .
 CONSULT-II Reference Value in Data Monitor Mode                                  CONSULT-II Reference Value in Data Monitor Mode
                                                                         . 574                                                                          .614
 On Board Diagnosis Logic ................................... 574        .        On Board Diagnosis Logic ................................... 614      .
 DTC Confirmation Procedure .............................. 574           .        DTC Confirmation Procedure ............................... 614        .

Revision: 2005 July                                                         EC-6                                                                  2005 FX
  Wiring Diagram ................................................... 615
                                                                       .         CONSULT-II Reference Value in Data Monitor Mode
  Diagnostic Procedure .......................................... 616  .                                                                                  . 668   A
  Component Inspection ........................................ 618    .         Wiring Diagram .................................................... 669  .
DTC P2122, P2123 APP SENSOR ....................... 619                .         Diagnostic Procedure .......................................... 670      .
  Component Description ....................................... 619    .         Component Inspection ......................................... 672       .       EC
  CONSULT-II Reference Value in Data Monitor Mode                                Removal and Installation ..................................... 673       .
                                                                       . 619   REFRIGERANT PRESSURE SENSOR ................. 674                          .
  On Board Diagnosis Logic .................................. 619      .         Component Description ....................................... 674        .
  DTC Confirmation Procedure .............................. 620        .         Wiring Diagram .................................................... 675  .       C
  Wiring Diagram ................................................... 621
                                                                       .         Diagnostic Procedure .......................................... 676      .
  Diagnostic Procedure .......................................... 622  .         Removal and Installation ..................................... 678       .
  Component Inspection ........................................ 624    .       ELECTRICAL LOAD SIGNAL ............................... 679                 .       D
  Removal and Installation ..................................... 625   .         Description ........................................................... 679
                                                                                                                                                          .
DTC P2127, P2128 APP SENSOR ....................... 626                .         CONSULT-II Reference Value in Data Monitor Mode
  Component Description ....................................... 626    .                                                                                  . 679   E
  CONSULT-II Reference Value in Data Monitor Mode                                Diagnostic Procedure .......................................... 679      .
             



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