Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti FX45 FX35 2006-2008 Approved FX45_35-S50-2007 ec

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ENGINE CONTROL SYSTEM


B ENGINE

                                                                                                                                                                        A


                                                                                                                                                                        EC
                                                                                                       SECTION
                                                                           ENGINE CONTROL SYSTEM                                                                        C


                                                                                                                                                                        D


                                                                                                                                                                        E
                                                                    CONTENTS
                                 VQ35DE                                              POSITIVE CRANKCASE VENTILATION ................ 50                        .        F
                                                                                       Description ............................................................. 50
                                                                                                                                                               .
INDEX FOR DTC ..................................................... 15      .          Component Inspection ........................................... 50     .
  DTC No. Index ...................................................... 15   .        IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-                                         G
  Alphabetical Index ................................................. 19   .        NATS) ....................................................................... 52
                                                                                                                                                               .
PRECAUTIONS ....................................................... 23      .          Description ............................................................. 52
                                                                                                                                                               .
  Precautions for Supplemental Restraint System                                      ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 53                           .
  (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                                                                                                               H
                                                                                       Introduction ............................................................ 53
                                                                                                                                                               .
  SIONER" ............................................................... 23.          Two Trip Detection Logic ....................................... 53     .
  Precautions for Procedures without Cowl Top Cover 23                      ...        Emission-Related Diagnostic Information .............. 54               .
  On Board Diagnostic (OBD) System of Engine and                                       Malfunction Indicator Lamp (MIL) .......................... 67          .         I
  A/T ......................................................................... 23
                                                                            .          OBD System Operation Chart ............................... 71           .
  Precaution ............................................................. 24
                                                                            .        BASIC SERVICE PROCEDURE .............................. 76                 .
PREPARATION ........................................................ 27     .          Basic Inspection .................................................... 76.        J
  Special Service Tools ............................................ 27     .          Idle Speed and Ignition Timing Check ................... 81             .
  Commercial Service Tools ..................................... 28         .          Procedure After Replacing ECM ........................... 82            .
ENGINE CONTROL SYSTEM ................................. 29                  .          VIN Registration .................................................... 82.
  System Diagram .................................................... 29    .                                                                                           K
                                                                                       Accelerator Pedal Released Position Learning ..... 83                   .
  Multiport Fuel Injection (MFI) System ................... 30              .          Throttle Valve Closed Position Learning ................ 83             .
  Electronic Ignition (EI) System .............................. 32         .          Idle Air Volume Learning ....................................... 83     .
  Fuel Cut Control (at No Load and High Engine                                         Fuel Pressure Check ............................................. 85    .        L
  Speed) ................................................................... 33
                                                                            .        TROUBLE DIAGNOSIS ........................................... 87          .
AIR CONDITIONING CUT CONTROL .................... 34                        .          Trouble Diagnosis Introduction .............................. 87        .
  Input/Output Signal Chart ...................................... 34       .          DTC Inspection Priority Chart ................................ 93       .        M
  System Description ............................................... 34     .          Fail-Safe Chart ...................................................... 95
                                                                                                                                                               .
AUTOMATIC SPEED CONTROL DEVICE (ASCD) 35                                    ...        Symptom Matrix Chart ........................................... 96     .
  System Description ............................................... 35     .          Engine Control Component Parts Location ......... 100                   .
  Component Description ......................................... 36        .          Vacuum Hose Drawing ........................................ 106        .
CAN COMMUNICATION ......................................... 37              .          Circuit Diagram .................................................... 107.
  System Description ............................................... 37     .          ECM Harness Connector Terminal Layout .......... 109                    .
EVAPORATIVE EMISSION SYSTEM ...................... 38                       .          ECM Terminals and Reference Value .................. 109                .
  Description ............................................................ 38
                                                                            .          CONSULT-II Function (ENGINE) ......................... 118              .
  Component Inspection .......................................... 41        .          Generic Scan Tool (GST) Function ...................... 129             .
  Removal and Installation ....................................... 42       .          CONSULT-II Reference Value in Data Monitor .... 132                     .
  How to Detect Fuel Vapor Leakage ...................... 42                .          Major Sensor Reference Graph in Data Monitor
ON BOARD REFUELING VAPOR RECOVERY                                                      Mode .................................................................... 134
                                                                                                                                                               .
(ORVR) ..................................................................... 45
                                                                            .        TROUBLE DIAGNOSIS - SPECIFICATION VALUE 137                               .
  System Description ............................................... 45     .          Description ........................................................... 137
                                                                                                                                                               .
  Diagnostic Procedure ............................................ 46      .          Testing Condition ................................................. 137 .
  Component Inspection .......................................... 48        .


Revision: 2006 July                                                            EC-1                                                         2007 FX35/FX45
 Inspection Procedure ........................................... 137     .        Diagnostic Procedure ........................................... 185
                                                                                                                                                     .
 Diagnostic Procedure .......................................... 138      .        Component Inspection ......................................... 186.
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-                                           Removal and Installation ...................................... 186
                                                                                                                                                     .
DENT ...................................................................... 147
                                                                          .       DTC P0101 MAF SENSOR .................................... 187      .
 Description ........................................................... 147
                                                                          .        Component Description ....................................... 187 .
 Diagnostic Procedure .......................................... 147      .        CONSULT-II Reference Value in Data Monitor Mode
POWER SUPPLY AND GROUND CIRCUIT .......... 148                            .                                                                          .187
 Wiring Diagram .................................................... 148  .        On Board Diagnosis Logic ................................... 187  .
 Diagnostic Procedure .......................................... 149      .        DTC Confirmation Procedure ............................... 188    .
 Ground Inspection ............................................... 153    .        Overall Function Check ........................................ 189
                                                                                                                                                     .
DTC U1000, U1001 CAN COMMUNICATION LINE. 155                                       Wiring Diagram .................................................... 190
                                                                                                                                                     .
 Description ........................................................... 155
                                                                          .        Diagnostic Procedure ........................................... 191
                                                                                                                                                     .
 On Board Diagnosis Logic ................................... 155         .        Component Inspection ......................................... 194.
 DTC Confirmation Procedure .............................. 155            .        Removal and Installation ...................................... 195
                                                                                                                                                     .
 Wiring Diagram .................................................... 156  .       DTC P0102, P0103 MAF SENSOR ........................ 196           .
 Diagnostic Procedure .......................................... 157      .        Component Description ....................................... 196 .
DTC U1010 CAN COMMUNICATION .................... 158                      .        CONSULT-II Reference Value in Data Monitor Mode
 Description ........................................................... 158
                                                                          .                                                                          .196
 On Board Diagnosis Logic ................................... 158         .        On Board Diagnosis Logic ................................... 196  .
 DTC Confirmation Procedure .............................. 158            .        DTC Confirmation Procedure ............................... 197    .
 Diagnostic Procedure .......................................... 159      .        Wiring Diagram .................................................... 198
                                                                                                                                                     .
DTC P0011, P0021 IVT CONTROL ....................... 160                  .        Diagnostic Procedure ........................................... 199
                                                                                                                                                     .
 Description ........................................................... 160
                                                                          .        Component Inspection ......................................... 202.
 CONSULT-II Reference Value in Data Monitor Mode                                   Removal and Installation ...................................... 203
                                                                                                                                                     .
                                                                          . 160   DTC P0112, P0113 IAT SENSOR ........................... 204        .
 On Board Diagnosis Logic ................................... 161         .        Component Description ....................................... 204 .
 DTC Confirmation Procedure .............................. 161            .        On Board Diagnosis Logic ................................... 204  .
 Diagnostic Procedure .......................................... 162      .        DTC Confirmation Procedure ............................... 204    .
 Component Inspection ......................................... 163       .        Wiring Diagram .................................................... 206
                                                                                                                                                     .
 Removal and Installation ..................................... 163       .        Diagnostic Procedure ........................................... 207
                                                                                                                                                     .
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1                                        Component Inspection ......................................... 208.
HEATER ................................................................. 164
                                                                          .        Removal and Installation ...................................... 208
                                                                                                                                                     .
 Description ........................................................... 164
                                                                          .       DTC P0117, P0118 ECT SENSOR ......................... 209          .
 CONSULT-II Reference Value in Data Monitor Mode                                   Component Description ....................................... 209 .
                                                                          . 164    On Board Diagnosis Logic ................................... 209  .
 On Board Diagnosis Logic ................................... 164         .        DTC Confirmation Procedure ............................... 210    .
 DTC Confirmation Procedure .............................. 164            .        Wiring Diagram .................................................... 211
                                                                                                                                                     .
 Wiring Diagram .................................................... 166  .        Diagnostic Procedure ........................................... 212
                                                                                                                                                     .
 Diagnostic Procedure .......................................... 169      .        Component Inspection ......................................... 213.
 Component Inspection ......................................... 171       .        Removal and Installation ...................................... 213
                                                                                                                                                     .
 Removal and Installation ..................................... 171       .       DTC P0122, P0123 TP SENSOR ........................... 214         .
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER 172                           .        Component Description ....................................... 214 .
 Description ........................................................... 172
                                                                          .        CONSULT-II Reference Value in Data Monitor Mode
 CONSULT-II Reference Value in Data Monitor Mode                                                                                                     .214
                                                                          . 172    On Board Diagnosis Logic ................................... 214  .
 On Board Diagnosis Logic ................................... 172         .        DTC Confirmation Procedure ............................... 215    .
 DTC Confirmation Procedure .............................. 173            .        Wiring Diagram .................................................... 216
                                                                                                                                                     .
 Wiring Diagram .................................................... 174  .        Diagnostic Procedure ........................................... 217
                                                                                                                                                     .
 Diagnostic Procedure .......................................... 177      .        Component Inspection ......................................... 220.
 Component Inspection ......................................... 179       .        Removal and Installation ...................................... 220
                                                                                                                                                     .
 Removal and Installation ..................................... 179       .       DTC P0125 ECT SENSOR ..................................... 221     .
DTC P0075, P0081 IVT CONTROL SOLENOID                                              Component Description ....................................... 221 .
VALVE .................................................................... 180
                                                                          .        On Board Diagnosis Logic ................................... 221  .
 Component Description ....................................... 180        .        DTC Confirmation Procedure ............................... 222    .
 CONSULT-II Reference Value in Data Monitor Mode                                   Diagnostic Procedure ........................................... 222
                                                                                                                                                     .
                                                                          . 180    Component Inspection ......................................... 223.
 On Board Diagnosis Logic ................................... 180         .        Removal and Installation ...................................... 223
                                                                                                                                                     .
 DTC Confirmation Procedure .............................. 180            .       DTC P0127 IAT SENSOR ....................................... 224   .
 Wiring Diagram .................................................... 181  .        Component Description ....................................... 224 .

Revision: 2006 July                                                          EC-2                                                   2007 FX35/FX45
 On Board Diagnosis Logic .................................. 224  .       DTC P0138, P0158 HO2S2 .................................... 280      .
 DTC Confirmation Procedure .............................. 224    .        Component Description ....................................... 280   .       A
 Diagnostic Procedure .......................................... 225
                                                                  .        CONSULT-II Reference Value in Data Monitor Mode
 Component Inspection ........................................ 226.                                                                            . 280
 Removal and Installation ..................................... 226
                                                                  .        On Board Diagnosis Logic ................................... 280    .       EC
DTC P0128 THERMOSTAT FUNCTION ............... 227                 .        DTC Confirmation Procedure .............................. 281       .
 On Board Diagnosis Logic .................................. 227  .        Overall Function Check ....................................... 282  .
 DTC Confirmation Procedure .............................. 227    .        Wiring Diagram .................................................... 283
                                                                                                                                               .
 Diagnostic Procedure .......................................... 227
                                                                  .        Diagnostic Procedure .......................................... 286 .       C
 Component Inspection ........................................ 228.        Component Inspection ......................................... 290  .
 Removal and Installation ..................................... 228
                                                                  .        Removal and Installation ..................................... 292  .
DTC P0130, P0150 A/F SENSOR 1 ...................... 229          .       DTC P0139, P0159 HO2S2 .................................... 293      .       D
 Component Description ....................................... 229.        Component Description ....................................... 293   .
 CONSULT-II Reference Value in Data Monitor Mode                           CONSULT-II Reference Value in Data Monitor Mode
                                                                  . 229                                                                        . 293   E
 On Board Diagnosis Logic .................................. 229  .        On Board Diagnosis Logic ................................... 293    .
 DTC Confirmation Procedure .............................. 229    .        DTC Confirmation Procedure .............................. 294       .
 Overall Function Check ....................................... 231
                                                                  .        Overall Function Check ....................................... 294  .
 Wiring Diagram ................................................... 232
                                                                  .        Wiring Diagram .................................................... 296
                                                                                                                                               .       F
 Diagnostic Procedure .......................................... 235
                                                                  .        Diagnostic Procedure .......................................... 299 .
 Removal and Installation ..................................... 238
                                                                  .        Component Inspection ......................................... 301  .
DTC P0131, P0151 A/F SENSOR 1 ...................... 239          .        Removal and Installation ..................................... 303  .       G
 Component Description ....................................... 239.       DTC P0171, P0174 FUEL INJECTION SYSTEM
 CONSULT-II Reference Value in Data Monitor Mode                          FUNCTION ............................................................. 304
                                                                                                                                               .
                                                                  . 239    On Board Diagnosis Logic ................................... 304    .       H
 On Board Diagnosis Logic .................................. 239  .        DTC Confirmation Procedure .............................. 304       .
 DTC Confirmation Procedure .............................. 240    .        Wiring Diagram .................................................... 306
                                                                                                                                               .
 Wiring Diagram ................................................... 241
                                                                  .        Diagnostic Procedure .......................................... 310 .
                                                                                                                                                        I
 Diagnostic Procedure .......................................... 244
                                                                  .       DTC P0172, P0175 FUEL INJECTION SYSTEM
 Removal and Installation ..................................... 247
                                                                  .       FUNCTION ............................................................. 316
                                                                                                                                               .
DTC P0132, P0152 A/F SENSOR 1 ...................... 248          .        On Board Diagnosis Logic ................................... 316    .
 Component Description ....................................... 248.        DTC Confirmation Procedure .............................. 316       .       J
 CONSULT-II Reference Value in Data Monitor Mode                           Wiring Diagram .................................................... 318
                                                                                                                                               .
                                                                  . 248    Diagnostic Procedure .......................................... 322 .
 On Board Diagnosis Logic .................................. 248  .       DTC P0181 FTT SENSOR ..................................... 327       .       K
 DTC Confirmation Procedure .............................. 249    .        Component Description ....................................... 327   .
 Wiring Diagram ................................................... 250
                                                                  .        On Board Diagnosis Logic ................................... 327    .
 Diagnostic Procedure .......................................... 253
                                                                  .        DTC Confirmation Procedure .............................. 327       .       L
 Removal and Installation ..................................... 256
                                                                  .        Wiring Diagram .................................................... 329
                                                                                                                                               .
DTC P0133, P0153 A/F SENSOR 1 ...................... 257          .        Diagnostic Procedure .......................................... 330 .
 Component Description ....................................... 257.        Component Inspection ......................................... 332  .
 CONSULT-II Reference Value in Data Monitor Mode                           Removal and Installation ..................................... 332  .       M
                                                                  . 257   DTC P0182, P0183 FTT SENSOR ......................... 333            .
 On Board Diagnosis Logic .................................. 257  .        Component Description ....................................... 333   .
 DTC Confirmation Procedure .............................. 258    .        On Board Diagnosis Logic ................................... 333    .
 Wiring Diagram ................................................... 260
                                                                  .        DTC Confirmation Procedure .............................. 333       .
 Diagnostic Procedure .......................................... 263
                                                                  .        Wiring Diagram .................................................... 334
                                                                                                                                               .
 Removal and Installation ..................................... 268
                                                                  .        Diagnostic Procedure .......................................... 335 .
DTC P0137, P0157 HO2S2 ................................... 269    .        Component Inspection ......................................... 337  .
 Component Description ....................................... 269.        Removal and Installation ..................................... 337  .
 CONSULT-II Reference Value in Data Monitor Mode                          DTC P0222, P0223 TP SENSOR ........................... 338           .
                                                                  . 269    Component Description ....................................... 338   .
 On Board Diagnosis Logic .................................. 269  .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 270    .                                                                            . 338
 Overall Function Check ....................................... 270
                                                                  .        On Board Diagnosis Logic ................................... 338    .
 Wiring Diagram ................................................... 272
                                                                  .        DTC Confirmation Procedure .............................. 339       .
 Diagnostic Procedure .......................................... 275
                                                                  .        Wiring Diagram .................................................... 340
                                                                                                                                               .
 Component Inspection ........................................ 277.        Diagnostic Procedure .......................................... 341 .
 Removal and Installation ..................................... 279
                                                                  .

Revision: 2006 July                                                  EC-3                                                    2007 FX35/FX45
  Component Inspection ......................................... 344       .        Diagnostic Procedure ........................................... 400     .
  Removal and Installation ..................................... 344       .        Component Inspection ......................................... 403       .
DTC P0300 - P0306 MULTIPLE CYLINDER MIS-                                            Removal and Installation ...................................... 403      .
FIRE, NO. 1 - 6 CYLINDER MISFIRE .................... 345                  .       DTC P0444, P0445 EVAP CANISTER PURGE VOL-
  On Board Diagnosis Logic ................................... 345         .       UME CONTROL SOLENOID VALVE ..................... 404                      .
  DTC Confirmation Procedure .............................. 346            .        Description ........................................................... 404
                                                                                                                                                             .
  Diagnostic Procedure .......................................... 346      .        CONSULT-II Reference Value in Data Monitor Mode
DTC P0327, P0328 KS ........................................... 355        .                                                                                 .404
  Component Description ....................................... 355        .        On Board Diagnosis Logic ................................... 405         .
  On Board Diagnosis Logic ................................... 355         .        DTC Confirmation Procedure ............................... 405           .
  DTC Confirmation Procedure .............................. 355            .        Wiring Diagram .................................................... 406  .
  Wiring Diagram .................................................... 356  .        Diagnostic Procedure ........................................... 408     .
  Diagnostic Procedure .......................................... 357      .        Component Inspection ......................................... 409       .
  Component Inspection ......................................... 358       .        Removal and Installation ...................................... 410      .
  Removal and Installation ..................................... 359       .       DTC P0447 EVAP CANISTER VENT CONTROL
DTC P0335 CKP SENSOR (POS) ......................... 360                   .       VALVE ..................................................................... 411
                                                                                                                                                             .
  Component Description ....................................... 360        .        Component Description ....................................... 411        .
  CONSULT-II Reference Value in Data Monitor Mode                                   CONSULT-II Reference Value in Data Monitor Mode
                                                                           . 360                                                                             . 411
  On Board Diagnosis Logic ................................... 360         .        On Board Diagnosis Logic ................................... 411         .
  DTC Confirmation Procedure .............................. 361            .        DTC Confirmation Procedure ............................... 412           .
  Wiring Diagram .................................................... 362  .        Wiring Diagram .................................................... 413  .
  Diagnostic Procedure .......................................... 363      .        Diagnostic Procedure ........................................... 414     .
  Component Inspection ......................................... 366       .        Component Inspection ......................................... 416       .
  Removal and Installation ..................................... 366       .       DTC P0448 EVAP CANISTER VENT CONTROL
DTC P0340, P0345 CMP SENSOR (PHASE) ........ 367                           .       VALVE ..................................................................... 418
                                                                                                                                                             .
  Component Description ....................................... 367        .        Component Description ....................................... 418        .
  CONSULT-II Reference Value in Data Monitor Mode                                   CONSULT-II Reference Value in Data Monitor Mode
                                                                           . 367                                                                             .418
  On Board Diagnosis Logic ................................... 367         .        On Board Diagnosis Logic ................................... 418         .
  DTC Confirmation Procedure .............................. 368            .        DTC Confirmation Procedure ............................... 419           .
  Wiring Diagram .................................................... 369  .        Wiring Diagram .................................................... 420  .
  Diagnostic Procedure .......................................... 372      .        Diagnostic Procedure ........................................... 421     .
  Component Inspection ......................................... 375       .        Component Inspection ......................................... 422       .
  Removal and Installation ..................................... 375       .       DTC P0451 EVAP CONTROL SYSTEM PRESSURE
DTC P0420, P0430 THREE WAY CATALYST FUNC-                                          SENSOR ................................................................. 424
                                                                                                                                                             .
TION ....................................................................... 376
                                                                           .        Component Description ....................................... 424        .
  On Board Diagnosis Logic ................................... 376         .        CONSULT-II Reference Value in Data Monitor Mode
  DTC Confirmation Procedure .............................. 376            .                                                                                 .424
  Overall Function Check ....................................... 377       .        On Board Diagnosis Logic ................................... 424         .
  Diagnostic Procedure .......................................... 378      .        DTC Confirmation Procedure ............................... 425           .
DTC P0441 EVAP CONTROL SYSTEM ................ 382                         .        Diagnostic Procedure ........................................... 425     .
  System Description .............................................. 382    .        Component Inspection ......................................... 426       .
  On Board Diagnosis Logic ................................... 382         .       DTC P0452 EVAP CONTROL SYSTEM PRESSURE
  DTC Confirmation Procedure .............................. 382            .       SENSOR ................................................................. 427
                                                                                                                                                             .
  Overall Function Check ....................................... 383       .        Component Description ....................................... 427        .
  Diagnostic Procedure .......................................... 384      .        CONSULT-II Reference Value in Data Monitor Mode
DTC P0442 EVAP CONTROL SYSTEM ................ 387                         .                                                                                 .427
  On Board Diagnosis Logic ................................... 387         .        On Board Diagnosis Logic ................................... 427         .
  DTC Confirmation Procedure .............................. 388            .        DTC Confirmation Procedure ............................... 428           .
  Diagnostic Procedure .......................................... 389      .        Wiring Diagram .................................................... 429  .
DTC P0443 EVAP CANISTER PURGE VOLUME                                                Diagnostic Procedure ........................................... 430     .
CONTROL SOLENOID VALVE .............................. 396                  .        Component Inspection ......................................... 432       .
  Description ........................................................... 396
                                                                           .       DTC P0453 EVAP CONTROL SYSTEM PRESSURE
  CONSULT-II Reference Value in Data Monitor Mode                                  SENSOR ................................................................. 433
                                                                                                                                                             .
                                                                           . 396    Component Description ....................................... 433        .
  On Board Diagnosis Logic ................................... 397         .        CONSULT-II Reference Value in Data Monitor Mode
  DTC Confirmation Procedure .............................. 397            .                                                                                 .433
  Wiring Diagram .................................................... 398  .        On Board Diagnosis Logic ................................... 433         .

Revision: 2006 July                                                           EC-4                                                        2007 FX35/FX45
 DTC Confirmation Procedure .............................. 434        .        On Board Diagnosis Logic ................................... 476      .
 Wiring Diagram ................................................... 435
                                                                      .        DTC Confirmation Procedure .............................. 476         .       A
 Diagnostic Procedure .......................................... 436  .        Wiring Diagram .................................................... 477
                                                                                                                                                     .
 Component Inspection ........................................ 440    .        Diagnostic Procedure .......................................... 478   .
DTC P0455 EVAP CONTROL SYSTEM ............... 441                     .       DTC P0605 ECM .................................................... 480 .       EC
 On Board Diagnosis Logic .................................. 441      .        Component Description ....................................... 480     .
 DTC Confirmation Procedure .............................. 442        .        On Board Diagnosis Logic ................................... 480      .
 Diagnostic Procedure .......................................... 443  .        DTC Confirmation Procedure .............................. 480         .
DTC P0456 EVAP CONTROL SYSTEM ............... 449                     .        Diagnostic Procedure .......................................... 481   .       C
 On Board Diagnosis Logic .................................. 449      .       DTC P0643 SENSOR POWER SUPPLY ............... 483                      .
 DTC Confirmation Procedure .............................. 450        .        On Board Diagnosis Logic ................................... 483      .
 Overall Function Check ....................................... 451   .        DTC Confirmation Procedure .............................. 483         .       D
 Diagnostic Procedure .......................................... 452  .        Wiring Diagram .................................................... 484
                                                                                                                                                     .
DTC P0460 FUEL LEVEL SENSOR ..................... 459                 .        Diagnostic Procedure .......................................... 486   .
 Component Description ....................................... 459    .       DTC P0850 PNP SWITCH ..................................... 488         .       E
 On Board Diagnosis Logic .................................. 459      .        Component Description ....................................... 488     .
 DTC Confirmation Procedure .............................. 459        .        CONSULT-II Reference Value in Data Monitor Mode
 Diagnostic Procedure .......................................... 460  .                                                                              . 488
 Removal and Installation ..................................... 460   .        On Board Diagnosis Logic ................................... 488      .       F
DTC P0461 FUEL LEVEL SENSOR ..................... 461                 .        DTC Confirmation Procedure .............................. 488         .
 Component Description ....................................... 461    .        Overall Function Check ....................................... 489    .
 On Board Diagnosis Logic .................................. 461      .        Wiring Diagram .................................................... 490
                                                                                                                                                     .       G
 Overall Function Check ....................................... 461   .        Diagnostic Procedure .......................................... 491   .
 Diagnostic Procedure .......................................... 462  .       DTC P1148, P1168 CLOSED LOOP CONTROL ... 493                           .
 Removal and Installation ..................................... 462   .        On Board Diagnosis Logic ................................... 493      .       H
DTC P0462, P0463 FUEL LEVEL SENSOR ......... 463                      .       DTC P1211 TCS CONTROL UNIT ......................... 494               .
 Component Description ....................................... 463    .        Description ........................................................... 494
                                                                                                                                                     .
 On Board Diagnosis Logic .................................. 463      .        On Board Diagnosis Logic ................................... 494      .
                                                                                                                                                              I
 DTC Confirmation Procedure .............................. 463        .        DTC Confirmation Procedure .............................. 494         .
 Diagnostic Procedure .......................................... 464  .        Diagnostic Procedure .......................................... 494   .
 Removal and Installation ..................................... 464   .       DTC P1212 TCS COMMUNICATION LINE ........... 495                       .
DTC P0500 VSS .................................................... 465.        Description ........................................................... 495
                                                                                                                                                     .       J
 Description .......................................................... 465
                                                                      .        On Board Diagnosis Logic ................................... 495      .
 On Board Diagnosis Logic .................................. 465      .        DTC Confirmation Procedure .............................. 495         .
 DTC Confirmation Procedure .............................. 465        .        Diagnostic Procedure .......................................... 495   .       K
 Overall Function Check ....................................... 466   .       DTC P1217 ENGINE OVER TEMPERATURE ....... 496                          .
 Diagnostic Procedure .......................................... 466  .        Description ........................................................... 496
                                                                                                                                                     .
DTC P0506 ISC SYSTEM ...................................... 467       .        CONSULT-II Reference Value in Data Monitor Mode                               L
 Description .......................................................... 467
                                                                      .                                                                              . 497
 On Board Diagnosis Logic .................................. 467      .        On Board Diagnosis Logic ................................... 497      .
 DTC Confirmation Procedure .............................. 467        .        Overall Function Check ....................................... 498    .
 Diagnostic Procedure .......................................... 468  .        Wiring Diagram .................................................... 500
                                                                                                                                                     .       M
DTC P0507 ISC SYSTEM ...................................... 469       .        Diagnostic Procedure .......................................... 502   .
 Description .......................................................... 469
                                                                      .        Main 12 Causes of Overheating .......................... 507          .
 On Board Diagnosis Logic .................................. 469      .        Component Inspection ......................................... 507    .
 DTC Confirmation Procedure .............................. 469        .       DTC P1225 TP SENSOR ....................................... 509        .
 Diagnostic Procedure .......................................... 470  .        Component Description ....................................... 509     .
DTC P0550 PSP SENSOR .................................... 471         .        On Board Diagnosis Logic ................................... 509      .
 Component Description ....................................... 471    .        DTC Confirmation Procedure .............................. 509         .
 CONSULT-II Reference Value in Data Monitor Mode                               Diagnostic Procedure .......................................... 510   .
                                                                      . 471    Removal and Installation ..................................... 510    .
 On Board Diagnosis Logic .................................. 471      .       DTC P1226 TP SENSOR ....................................... 511        .
 DTC Confirmation Procedure .............................. 471        .        Component Description ....................................... 511     .
 Wiring Diagram ................................................... 472
                                                                      .        On Board Diagnosis Logic ................................... 511      .
 Diagnostic Procedure .......................................... 473  .        DTC Confirmation Procedure .............................. 511         .
 Component Inspection ........................................ 475    .        Diagnostic Procedure .......................................... 512   .
 Removal and Installation ..................................... 475   .        Removal and Installation ..................................... 512    .
DTC P0603 ECM POWER SUPPLY ...................... 476                 .       DTC P1421 COLD START CONTROL .................. 513                    .
 Component Description ....................................... 476    .        Description ........................................................... 513
                                                                                                                                                     .

Revision: 2006 July                                                      EC-5                                                     2007 FX35/FX45
 On Board Diagnosis Logic ................................... 513      .        On Board Diagnosis Logic ................................... 551        .
 DTC Confirmation Procedure .............................. 513         .        Diagnostic Procedure ........................................... 551    .
 Diagnostic Procedure .......................................... 513   .       DTC P1805 BRAKE SWITCH ................................ 552              .
DTC P1564 ICC STEERING SWITCH ................... 515                  .        Description ........................................................... 552
                                                                                                                                                        .
 Component Description ....................................... 515     .        CONSULT-II Reference Value in Data Monitor Mode
 CONSULT-II Reference Value in Data Monitor Mode                                                                                                        .552
                                                                       . 515    On Board Diagnosis Logic ................................... 552        .
 On Board Diagnosis Logic ................................... 515      .        DTC Confirmation Procedure ............................... 552          .
 DTC Confirmation Procedure .............................. 516         .        Wiring Diagram .................................................... 553 .
 Wiring Diagram .................................................... 517
                                                                       .        Diagnostic Procedure ........................................... 554    .
 Diagnostic Procedure .......................................... 518   .        Component Inspection ......................................... 556      .
 Component Inspection ......................................... 521    .       DTC P2100, P2103 THROTTLE CONTROL MOTOR
DTC P1564 ASCD STEERING SWITCH ............... 522                     .       RELAY .................................................................... 557
                                                                                                                                                        .
 Component Description ....................................... 522     .        Component Description ....................................... 557       .
 CONSULT-II Reference Value in Data Monitor Mode                                CONSULT-II Reference Value in Data Monitor Mode
                                                                       . 522                                                                            .557
 On Board Diagnosis Logic ................................... 522      .        On Board Diagnosis Logic ................................... 557        .
 DTC Confirmation Procedure .............................. 523         .        DTC Confirmation Procedure ............................... 557          .
 Wiring Diagram .................................................... 524
                                                                       .        Wiring Diagram .................................................... 559 .
 Diagnostic Procedure .......................................... 525   .        Diagnostic Procedure ........................................... 560    .
 Component Inspection ......................................... 527    .       DTC P2101 ELECTRIC THROTTLE CONTROL
DTC P1568 ICC FUNCTION .................................. 529          .       FUNCTION ............................................................. 563
                                                                                                                                                        .
 On Board Diagnosis Logic ................................... 529      .        Description ........................................................... 563
                                                                                                                                                        .
 DTC Confirmation Procedure .............................. 529         .        On Board Diagnosis Logic ................................... 563        .
 Diagnostic Procedure .......................................... 529   .        DTC Confirmation Procedure ............................... 563          .
DTC P1572 ICC BRAKE SWITCH ......................... 530               .        Wiring Diagram .................................................... 564 .
 Component Description ....................................... 530     .        Diagnostic Procedure ........................................... 565    .
 CONSULT-II Reference Value in Data Monitor Mode                                Component Inspection ......................................... 568      .
                                                                       . 530    Removal and Installation ...................................... 568     .
 On Board Diagnosis Logic ................................... 530      .       DTC P2118 THROTTLE CONTROL MOTOR ........ 569                            .
 DTC Confirmation Procedure .............................. 531         .        Component Description ....................................... 569       .
 Wiring Diagram .................................................... 532
                                                                       .        On Board Diagnosis Logic ................................... 569        .
 Diagnostic Procedure .......................................... 533   .        DTC Confirmation Procedure ............................... 569          .
 Component Inspection ......................................... 538    .        Wiring Diagram .................................................... 570 .
DTC P1572 ASCD BRAKE SWITCH ..................... 539                  .        Diagnostic Procedure ........................................... 571    .
 Component Description ....................................... 539     .        Component Inspection ......................................... 572      .
 CONSULT-II Reference Value in Data Monitor Mode                                Removal and Installation ...................................... 573     .
                                                                       . 539   DTC P2119 ELECTRIC THROTTLE CONTROL
 On Board Diagnosis Logic ................................... 539      .       ACTUATOR ............................................................ 574.
 DTC Confirmation Procedure .............................. 540         .        Component Description ....................................... 574       .
 Wiring Diagram .................................................... 541
                                                                       .        On Board Diagnosis Logic ................................... 574        .
 Diagnostic Procedure .......................................... 542   .        DTC Confirmation Procedure ............................... 574          .
 Component Inspection ......................................... 546    .        Diagnostic Procedure ........................................... 575    .
DTC P1574 ICC VEHICLE SPEED SENSOR ........ 547                        .       DTC P2122, P2123 APP SENSOR ........................ 576                 .
 Component Description ....................................... 547     .        Component Description ....................................... 576       .
 On Board Diagnosis Logic ................................... 547      .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 547         .                                                                                .576
 Diagnostic Procedure .......................................... 548   .        On Board Diagnosis Logic ................................... 576        .
DTC P1574 ASCD VEHICLE SPEED SENSOR .... 549                           .        DTC Confirmation Procedure ............................... 577          .
 Component Description ....................................... 549     .        Wiring Diagram .................................................... 578 .
 On Board Diagnosis Logic ................................... 549      .        Diagnostic Procedure ........................................... 579    .
 DTC Confirmation Procedure .............................. 549         .        Component Inspection ......................................... 582      .
 Diagnostic Procedure .......................................... 550   .        Removal and Installation ...................................... 582     .
DTC P1715 INPUT SPEED SENSOR (TURBINE                                          DTC P2127, P2128 APP SENSOR ........................ 583                 .
REVOLUTION SENSOR) ....................................... 551         .        Component Description ....................................... 583       .
 Description ........................................................... 551
                                                                       .        CONSULT-II Reference Value in Data Monitor Mode
 CONSULT-II Reference Value in Data Monitor Mode                                                                                                        .583
                                                                       . 551    On Board Diagnosis Logic ................................... 583        .
                                                                                DTC Confirmation Procedure ...............................

Revision: 2006 July                                                       EC-6                                                       2007 FX35/FX45
 Wiring Diagram ................................................... 585
                                                                      .       FUEL PUMP ........................................................... 636 .
 Diagnostic Procedure .......................................... 586  .         Description ........................................................... 636
                                                                                                                                                        .       A
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