Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G35 2006-2007 Approved G35-V35-Sedan-2006 ec

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ENGINE CONTROL SYSTEM


B ENGINE

                                                                                                                                                                           A




                                                                           ENGINE CONTROL SYSTEM
                                                                                                        SECTION                      EC                                    EC



                                                                                                                                                                           C


                                                                                                                                                                           D


                                                                                                                                                                           E
                                                                    CONTENTS
INDEX FOR DTC ....................................................... 8     .        IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-                                            F
  DTC No. Index ........................................................ 8  .        NATS) ....................................................................... 46
                                                                                                                                                                  .
  Alphabetical Index ................................................. 12   .          Description ............................................................. 46
                                                                                                                                                                  .
PRECAUTIONS ....................................................... 16      .        ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 47                              .        G
  Precautions for Supplemental Restraint System                                        Introduction ............................................................ 47
                                                                                                                                                                  .
  (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                              Two Trip Detection Logic ....................................... 47        .
  SIONER" ............................................................... 16.          Emission-Related Diagnostic Information .............. 48                  .
                                                                                                                                                                           H
  On Board Diagnostic (OBD) System of Engine and                                       Malfunction Indicator Lamp (MIL) .......................... 62             .
  A/T ......................................................................... 16
                                                                            .          OBD System Operation Chart ............................... 65              .
  Precaution ............................................................. 16
                                                                            .        BASIC SERVICE PROCEDURE .............................. 70                    .
PREPARATION ........................................................ 20     .          Basic Inspection .................................................... 70   .         I
  Special Service Tools ............................................ 20     .          Idle Speed and Ignition Timing Check ................... 75                .
  Commercial Service Tools ..................................... 21         .          VIN Registration .................................................... 76   .
ENGINE CONTROL SYSTEM ................................. 22                  .          Exhaust Valve Timing Control Learning (M/T Mod-                                     J
  System Diagram (A/T Models) .............................. 22             .          els) ......................................................................... 77
                                                                                                                                                                  .
  System Diagram (M/T Models) ............................. 23              .          Accelerator Pedal Released Position Learning ..... 78                      .
  Multiport Fuel Injection (MFI) System ................... 24              .          Throttle Valve Closed Position Learning ................ 78                .
                                                                                                                                                                           K
  Electronic Ignition (EI) System .............................. 26         .          Idle Air Volume Learning ....................................... 78        .
  Fuel Cut Control (at No Load and High Engine                                         Fuel Pressure Check ............................................. 80       .
  Speed) ................................................................... 27
                                                                            .        TROUBLE DIAGNOSIS ........................................... 82             .
AIR CONDITIONING CUT CONTROL .................... 28                        .          Trouble Diagnosis Introduction .............................. 82           .        L
  Input/Output Signal Chart ...................................... 28       .          DTC Inspection Priority Chart ................................ 88          .
AUTOMATIC SPEED CONTROL DEVICE (ASCD) 29                                    ...        Fail-Safe Chart ...................................................... 90  .
  System Description ............................................... 29     .          Symptom Matrix Chart ........................................... 91        .        M
  Component Description ......................................... 30        .          Engine Control Component Parts Location (A/T
CAN COMMUNICATION ......................................... 31              .          Models) .................................................................. 95
                                                                                                                                                                  .
  System Description ............................................... 31     .          Engine Control Component Parts Location (M/T
EVAPORATIVE EMISSION SYSTEM ...................... 32                       .          Models) ................................................................ 101
                                                                                                                                                                  .
  Description ............................................................ 32
                                                                            .          Vacuum Hose Drawing ........................................ 107           .
  Component Inspection .......................................... 35        .          Circuit Diagram .................................................... 108   .
  Removal and Installation ....................................... 36       .          ECM Harness Connector Terminal Layout .......... 112                       .
  How to Detect Fuel Vapor Leakage ...................... 36                .          ECM Terminals and Reference Value .................. 112                   .
ON BOARD REFUELING VAPOR RECOVERY                                                      CONSULT-II Function (ENGINE) ......................... 122                 .
(ORVR) ..................................................................... 39
                                                                            .          Generic Scan Tool (GST) Function ...................... 135                .
  System Description ............................................... 39     .          CONSULT-II Reference Value in Data Monitor .... 137                        .
  Diagnostic Procedure ............................................ 40      .          Major Sensor Reference Graph in Data Monitor
  Component Inspection .......................................... 42        .          Mode .................................................................... 141
                                                                                                                                                                  .
POSITIVE CRANKCASE VENTILATION ................ 44                          .        TROUBLE DIAGNOSIS - SPECIFICATION VALUE 143                                  .
  Description ............................................................ 44
                                                                            .          Description ........................................................... 143.
  Component Inspection .......................................... 44        .          Testing Condition ................................................. 143    .


Revision: 2006 August                                                          EC-1                                                           2006 G35 Sedan
 Inspection Procedure ........................................... 143     .        Component Inspection ......................................... 192       .
 Diagnostic Procedure .......................................... 144      .        Removal and Installation ...................................... 192      .
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-                                          DTC P0075, P0081 IVT CONTROL SOLENOID
DENT ...................................................................... 153
                                                                          .       VALVE ..................................................................... 193
                                                                                                                                                            .
 Description ........................................................... 153
                                                                          .        Component Description ....................................... 193        .
 Diagnostic Procedure .......................................... 153      .        CONSULT-II Reference Value in Data Monitor Mode
POWER SUPPLY AND GROUND CIRCUIT .......... 154                            .                                                                                 .193
 Wiring Diagram .................................................... 154  .        On Board Diagnosis Logic ................................... 193         .
 Diagnostic Procedure .......................................... 157      .        DTC Confirmation Procedure ............................... 193           .
 Ground Inspection ............................................... 161    .        Wiring Diagram .................................................... 194  .
DTC U1000, U1001 CAN COMMUNICATION LINE. 163                                       Diagnostic Procedure ........................................... 198     .
 Description ........................................................... 163
                                                                          .        Component Inspection ......................................... 200       .
 On Board Diagnosis Logic ................................... 163         .        Removal and Installation ...................................... 200      .
 DTC Confirmation Procedure .............................. 163            .       DTC P0078 P0084 EVT CONTROL MAGNET
 Wiring Diagram .................................................... 164  .       RETARDER ............................................................ 201 .
 Diagnostic Procedure .......................................... 165      .        Component Description ....................................... 201        .
DTC U1010 CAN COMMUNICATION .................... 166                      .        CONSULT-II Reference Value in Data Monitor Mode
 Description ........................................................... 166
                                                                          .                                                                                 .201
 On Board Diagnosis Logic ................................... 166         .        On Board Diagnosis Logic ................................... 201         .
 DTC Confirmation Procedure .............................. 166            .        DTC Confirmation Procedure ............................... 201           .
 Diagnostic Procedure .......................................... 167      .        Wiring Diagram .................................................... 202  .
DTC P0011, P0021 IVT CONTROL ....................... 168                  .        Diagnostic Procedure ........................................... 206     .
 Description ........................................................... 168
                                                                          .        Component Inspection ......................................... 208       .
 CONSULT-II Reference Value in Data Monitor Mode                                   Removal and Installation ...................................... 208      .
                                                                          . 168   DTC P0101 MAF SENSOR .................................... 209             .
 On Board Diagnosis Logic ................................... 169         .        Component Description ....................................... 209        .
 DTC Confirmation Procedure .............................. 169            .        CONSULT-II Reference Value in Data Monitor Mode
 Diagnostic Procedure .......................................... 170      .                                                                                 .209
 Component Inspection ......................................... 171       .        On Board Diagnosis Logic ................................... 209         .
 Removal and Installation ..................................... 172       .        DTC Confirmation Procedure ............................... 210           .
DTC P0014 P0024 EVT CONTROL ....................... 173                   .        Overall Function Check ........................................ 211      .
 Description ........................................................... 173
                                                                          .        Wiring Diagram .................................................... 212  .
 CONSULT-II Reference Value in Data Monitor Mode                                   Diagnostic Procedure ........................................... 213     .
                                                                          . 173    Component Inspection ......................................... 215       .
 On Board Diagnosis Logic ................................... 174         .        Removal and Installation ...................................... 217      .
 DTC Confirmation Procedure .............................. 174            .       DTC P0102, P0103 MAF SENSOR ........................ 218                  .
 Diagnostic Procedure .......................................... 175      .        Component Description ....................................... 218        .
 Component Inspection ......................................... 177       .        CONSULT-II Reference Value in Data Monitor Mode
 Removal and Installation ..................................... 177       .                                                                                 .218
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1                                        On Board Diagnosis Logic ................................... 218         .
HEATER ................................................................. 178
                                                                          .        DTC Confirmation Procedure ............................... 219           .
 Description ........................................................... 178
                                                                          .        Wiring Diagram .................................................... 220  .
 CONSULT-II Reference Value in Data Monitor Mode                                   Diagnostic Procedure ........................................... 221     .
                                                                          . 178    Component Inspection ......................................... 223       .
 On Board Diagnosis Logic ................................... 178         .        Removal and Installation ...................................... 224      .
 DTC Confirmation Procedure .............................. 178            .       DTC P0112, P0113 IAT SENSOR ........................... 225               .
 Wiring Diagram .................................................... 179  .        Component Description ....................................... 225        .
 Diagnostic Procedure .......................................... 182      .        On Board Diagnosis Logic ................................... 225         .
 Component Inspection ......................................... 184       .        DTC Confirmation Procedure ............................... 225           .
 Removal and Installation ..................................... 184       .        Wiring Diagram .................................................... 226  .
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER 185                           .        Diagnostic Procedure ........................................... 227     .
 Description ........................................................... 185
                                                                          .        Component Inspection ......................................... 228       .
 CONSULT-II Reference Value in Data Monitor Mode                                   Removal and Installation ...................................... 228      .
                                                                          . 185   DTC P0117, P0118 ECT SENSOR ......................... 229                 .
 On Board Diagnosis Logic ................................... 185         .        Component Description ....................................... 229        .
 DTC Confirmation Procedure .............................. 186            .        On Board Diagnosis Logic ................................... 229         .
 Wiring Diagram .................................................... 187  .        DTC Confirmation Procedure ............................... 230           .
 Diagnostic Procedure .......................................... 190      .        Wiring Diagram .................................................... 231  .
                                                                                   Diagnostic Procedure ........................................... 232     .

Revision: 2006 August                                                        EC-2                                                        2006 G35 Sedan
 Component Inspection ........................................ 233.        Diagnostic Procedure .......................................... 273 .
 Removal and Installation ..................................... 233
                                                                  .        Removal and Installation ..................................... 276  .       A
DTC P0122, P0123 TP SENSOR .......................... 234         .       DTC P0133, P0153 A/F SENSOR 1 ...................... 277             .
 Component Description ....................................... 234.        Component Description ....................................... 277   .
 CONSULT-II Reference Value in Data Monitor Mode                           CONSULT-II Reference Value in Data Monitor Mode                             EC
                                                                  . 234                                                                        . 277
 On Board Diagnosis Logic .................................. 234  .        On Board Diagnosis Logic ................................... 277    .
 DTC Confirmation Procedure .............................. 235    .        DTC Confirmation Procedure .............................. 278       .
 Wiring Diagram ................................................... 236
                                                                  .        Wiring Diagram .................................................... 280
                                                                                                                                               .       C
 Diagnostic Procedure .......................................... 238
                                                                  .        Diagnostic Procedure .......................................... 283 .
 Component Inspection ........................................ 240.        Removal and Installation ..................................... 288  .
 Removal and Installation ..................................... 240
                                                                  .       DTC P0137, P0157 HO2S2 .................................... 289      .       D
DTC P0125 ECT SENSOR .................................... 241     .        Component Description ....................................... 289   .
 Component Description ....................................... 241.        CONSULT-II Reference Value in Data Monitor Mode
 On Board Diagnosis Logic .................................. 241  .                                                                            . 289   E
 DTC Confirmation Procedure .............................. 242    .        On Board Diagnosis Logic ................................... 289    .
 Diagnostic Procedure .......................................... 242
                                                                  .        DTC Confirmation Procedure .............................. 290       .
 Component Inspection ........................................ 243.        Overall Function Check ....................................... 290  .
 Removal and Installation ..................................... 243
                                                                  .        Wiring Diagram .................................................... 292
                                                                                                                                               .       F
DTC P0127 IAT SENSOR ...................................... 244   .        Diagnostic Procedure .......................................... 295 .
 Component Description ....................................... 244.        Component Inspection ......................................... 298  .
 On Board Diagnosis Logic .................................. 244  .        Removal and Installation ..................................... 299  .       G
 DTC Confirmation Procedure .............................. 244    .       DTC P0138, P0158 HO2S2 .................................... 300      .
 Diagnostic Procedure .......................................... 245
                                                                  .        Component Description ....................................... 300   .
 Component Inspection ........................................ 246.        CONSULT-II Reference Value in Data Monitor Mode                             H
 Removal and Installation ..................................... 246
                                                                  .                                                                            . 300
DTC P0128 THERMOSTAT FUNCTION ............... 247                 .        On Board Diagnosis Logic ................................... 300    .
 On Board Diagnosis Logic .................................. 247  .        DTC Confirmation Procedure .............................. 301       .
                                                                                                                                                        I
 DTC Confirmation Procedure .............................. 247    .        Overall Function Check ....................................... 302  .
 Diagnostic Procedure .......................................... 247
                                                                  .        Wiring Diagram .................................................... 303
                                                                                                                                               .
 Component Inspection ........................................ 248.        Diagnostic Procedure .......................................... 306 .
 Removal and Installation ..................................... 248
                                                                  .        Component Inspection ......................................... 311  .       J
DTC P0130, P0150 A/F SENSOR 1 ...................... 249          .        Removal and Installation ..................................... 312  .
 Component Description ....................................... 249.       DTC P0139, P0159 HO2S2 .................................... 313      .
 CONSULT-II Reference Value in Data Monitor Mode                           Component Description ....................................... 313   .       K
                                                                  . 249    CONSULT-II Reference Value in Data Monitor Mode
 On Board Diagnosis Logic .................................. 249  .                                                                            . 313
 DTC Confirmation Procedure .............................. 249    .        On Board Diagnosis Logic ................................... 313    .       L
 Overall Function Check ....................................... 250
                                                                  .        DTC Confirmation Procedure .............................. 314       .
 Wiring Diagram ................................................... 252
                                                                  .        Overall Function Check ....................................... 314  .
 Diagnostic Procedure .......................................... 255
                                                                  .        Wiring Diagram .................................................... 316
                                                                                                                                               .
 Removal and Installation ..................................... 258
                                                                  .        Diagnostic Procedure .......................................... 319 .       M
DTC P0131, P0151 A/F SENSOR 1 ...................... 259          .        Component Inspection ......................................... 322  .
 Component Description ....................................... 259.        Removal and Installation ..................................... 323  .
 CONSULT-II Reference Value in Data Monitor Mode                          DTC P0171, P0174 FUEL INJECTION SYSTEM
                                                                  . 259   FUNCTION ............................................................. 324
                                                                                                                                               .
 On Board Diagnosis Logic .................................. 259  .        On Board Diagnosis Logic ................................... 324    .
 DTC Confirmation Procedure .............................. 259    .        DTC Confirmation Procedure .............................. 324       .
 Wiring Diagram ................................................... 261
                                                                  .        Wiring Diagram .................................................... 326
                                                                                                                                               .
 Diagnostic Procedure .......................................... 264
                                                                  .        Diagnostic Procedure .......................................... 330 .
 Removal and Installation ..................................... 267
                                                                  .       DTC P0172, P0175 FUEL INJECTION SYSTEM
DTC P0132, P0152 A/F SENSOR 1 ...................... 268          .       FUNCTION ............................................................. 336
                                                                                                                                               .
 Component Description ....................................... 268.        On Board Diagnosis Logic ................................... 336    .
 CONSULT-II Reference Value in Data Monitor Mode                           DTC Confirmation Procedure .............................. 336       .
                                                                  . 268    Wiring Diagram .................................................... 338
                                                                                                                                               .
 On Board Diagnosis Logic .................................. 268  .        Diagnostic Procedure .......................................... 342 .
 DTC Confirmation Procedure .............................. 269    .       DTC P0181 FTT SENSOR ..................................... 347       .
 Wiring Diagram ................................................... 270
                                                                  .        Component Description ....................................... 347   .
                                                                           On Board Diagnosis Logic ................................... 347    .

Revision: 2006 August                                                EC-3                                                    2006 G35 Sedan
  DTC Confirmation Procedure .............................. 347            .        DTC Confirmation Procedure ............................... 395           .
  Wiring Diagram .................................................... 349  .        Overall Function Check ........................................ 396      .
  Diagnostic Procedure .......................................... 350      .        Diagnostic Procedure ........................................... 397     .
  Component Inspection ......................................... 351       .       DTC P0441 EVAP CONTROL SYSTEM ................ 401                        .
  Removal and Installation ..................................... 351       .        System Description .............................................. 401    .
DTC P0182, P0183 FTT SENSOR ......................... 352                  .        On Board Diagnosis Logic ................................... 401         .
  Component Description ....................................... 352        .        DTC Confirmation Procedure ............................... 401           .
  On Board Diagnosis Logic ................................... 352         .        Overall Function Check ........................................ 402      .
  DTC Confirmation Procedure .............................. 352            .        Diagnostic Procedure ........................................... 403     .
  Wiring Diagram .................................................... 353  .       DTC P0442 EVAP CONTROL SYSTEM ................ 406                        .
  Diagnostic Procedure .......................................... 354      .        On Board Diagnosis Logic ................................... 406         .
  Component Inspection ......................................... 355       .        DTC Confirmation Procedure ............................... 407           .
  Removal and Installation ..................................... 355       .        Diagnostic Procedure ........................................... 408     .
DTC P0222, P0223 TP SENSOR ........................... 356                 .       DTC P0443 EVAP CANISTER PURGE VOLUME
  Component Description ....................................... 356        .       CONTROL SOLENOID VALVE .............................. 414                 .
  CONSULT-II Reference Value in Data Monitor Mode                                   Description ........................................................... 414
                                                                                                                                                             .
                                                                           . 356    CONSULT-II Reference Value in Data Monitor Mode
  On Board Diagnosis Logic ................................... 356         .                                                                                 .414
  DTC Confirmation Procedure .............................. 357            .        On Board Diagnosis Logic ................................... 415         .
  Wiring Diagram .................................................... 358  .        DTC Confirmation Procedure ............................... 415           .
  Diagnostic Procedure .......................................... 360      .        Wiring Diagram .................................................... 416  .
  Component Inspection ......................................... 362       .        Diagnostic Procedure ........................................... 418     .
  Removal and Installation ..................................... 362       .        Component Inspection ......................................... 420       .
DTC P0300 - P0306 MULTIPLE CYLINDER MIS-                                            Removal and Installation ...................................... 421      .
FIRE, NO. 1 - 6 CYLINDER MISFIRE .................... 363                  .       DTC P0444, P0445 EVAP CANISTER PURGE VOL-
  On Board Diagnosis Logic ................................... 363         .       UME CONTROL SOLENOID VALVE ..................... 422                      .
  DTC Confirmation Procedure .............................. 364            .        Description ........................................................... 422
                                                                                                                                                             .
  Diagnostic Procedure .......................................... 364      .        CONSULT-II Reference Value in Data Monitor Mode
DTC P0327, P0328 KS ........................................... 373        .                                                                                 .422
  Component Description ....................................... 373        .        On Board Diagnosis Logic ................................... 423         .
  On Board Diagnosis Logic ................................... 373         .        DTC Confirmation Procedure ............................... 423           .
  DTC Confirmation Procedure .............................. 373            .        Wiring Diagram .................................................... 424  .
  Wiring Diagram .................................................... 374  .        Diagnostic Procedure ........................................... 426     .
  Diagnostic Procedure .......................................... 375      .        Component Inspection ......................................... 427       .
  Component Inspection ......................................... 376       .        Removal and Installation ...................................... 428      .
  Removal and Installation ..................................... 377       .       DTC P0447 EVAP CANISTER VENT CONTROL
DTC P0335 CKP SENSOR (POS) ......................... 378                   .       VALVE ..................................................................... 429
                                                                                                                                                             .
  Component Description ....................................... 378        .        Component Description ....................................... 429        .
  CONSULT-II Reference Value in Data Monitor Mode                                   CONSULT-II Reference Value in Data Monitor Mode
                                                                           . 378                                                                             .429
  On Board Diagnosis Logic ................................... 378         .        On Board Diagnosis Logic ................................... 429         .
  DTC Confirmation Procedure .............................. 379            .        DTC Confirmation Procedure ............................... 430           .
  Wiring Diagram .................................................... 380  .        Wiring Diagram .................................................... 431  .
  Diagnostic Procedure .......................................... 381      .        Diagnostic Procedure ........................................... 432     .
  Component Inspection ......................................... 384       .        Component Inspection ......................................... 434       .
  Removal and Installation ..................................... 384       .       DTC P0448 EVAP CANISTER VENT CONTROL
DTC P0340, P0345 CMP SENSOR (PHASE) ........ 385                           .       VALVE ..................................................................... 436
                                                                                                                                                             .
  Component Description ....................................... 385        .        Component Description ....................................... 436        .
  CONSULT-II Reference Value in Data Monitor Mode                                   CONSULT-II Reference Value in Data Monitor Mode
                                                                           . 385                                                                             .436
  On Board Diagnosis Logic ................................... 385         .        On Board Diagnosis Logic ................................... 436         .
  DTC Confirmation Procedure .............................. 386            .        DTC Confirmation Procedure ............................... 437           .
  Wiring Diagram .................................................... 387  .        Wiring Diagram .................................................... 438  .
  Diagnostic Procedure .......................................... 390      .        Diagnostic Procedure ........................................... 439     .
  Component Inspection ......................................... 394       .        Component Inspection ......................................... 441       .
  Removal and Installation ..................................... 394       .       DTC P0451 EVAP CONTROL SYSTEM PRESSURE
DTC P0420, P0430 THREE WAY CATALYST FUNC-                                          SENSOR ................................................................. 443
                                                                                                                                                             .
TION ....................................................................... 395
                                                                           .        Component Description ....................................... 443        .
  On Board Diagnosis Logic ................................... 395         .        CONSULT-II Reference Value in Data Monitor Mode

Revision: 2006 August                                                         EC-4                                                        2006 G35 Sedan
                                                                      . 443    Description ........................................................... 486
                                                                                                                                                         .
 On Board Diagnosis Logic .................................. 443      .        On Board Diagnosis Logic ................................... 486          .       A
 DTC Confirmation Procedure .............................. 444        .        DTC Confirmation Procedure .............................. 486             .
 Diagnostic Procedure .......................................... 444  .        Diagnostic Procedure .......................................... 487       .
 Component Inspection ........................................ 445    .       DTC P0507 ISC SYSTEM ...................................... 488            .       EC
DTC P0452 EVAP CONTROL SYSTEM PRESSURE                                         Description ........................................................... 488
                                                                                                                                                         .
SENSOR ................................................................ 446
                                                                      .        On Board Diagnosis Logic ................................... 488          .
 Component Description ....................................... 446    .        DTC Confirmation Procedure .............................. 488             .
 CONSULT-II Reference Value in Data Monitor Mode                               Diagnostic Procedure .......................................... 489       .       C
                                                                      . 446   DTC P0550 PSP SENSOR .................................... 490              .
 On Board Diagnosis Logic .................................. 446      .        Component Description ....................................... 490         .
 DTC Confirmation Procedure .............................. 447        .        CONSULT-II Reference Value in Data Monitor Mode                                   D
 Wiring Diagram ................................................... 448
                                                                      .                                                                                  . 490
 Diagnostic Procedure .......................................... 449  .        On Board Diagnosis Logic ................................... 490          .
 Component Inspection ........................................ 451    .        DTC Confirmation Procedure .............................. 490             .       E
DTC P0453 EVAP CONTROL SYSTEM PRESSURE                                         Wiring Diagram .................................................... 491   .
SENSOR ................................................................ 452
                                                                      .        Diagnostic Procedure .......................................... 492       .
 Component Description ....................................... 452    .        Component Inspection ......................................... 494        .
 CONSULT-II Reference Value in Data Monitor Mode                               Removal and Installation ..................................... 494        .       F
                                                                      . 452   DTC P0603 ECM POWER SUPPLY ...................... 495                      .
 On Board Diagnosis Logic .................................. 452      .        Component Description ....................................... 495         .
 DTC Confirmation Procedure .............................. 453        .        On Board Diagnosis Logic ................................... 495          .       G
 Wiring Diagram ................................................... 454
                                                                      .        DTC Confirmation Procedure .............................. 495             .
 Diagnostic Procedure .......................................... 455  .        Wiring Diagram .................................................... 496   .
 Component Inspection ........................................ 459    .        Diagnostic Procedure .......................................... 497       .       H
DTC P0455 EVAP CONTROL SYSTEM ............... 460                     .       DTC P0605 ECM .................................................... 499     .
 On Board Diagnosis Logic .................................. 460      .        Component Description ....................................... 499         .
 DTC Confirmation Procedure .............................. 461        .        On Board Diagnosis Logic ................................... 499          .
                                                                                                                                                                  I
 Diagnostic Procedure .......................................... 462  .        DTC Confirmation Procedure .............................. 499             .
DTC P0456 EVAP CONTROL SYSTEM ............... 468                     .        Diagnostic Procedure .......................................... 500       .
 On Board Diagnosis Logic .................................. 468      .       DTC P0643 SENSOR POWER SUPPLY ............... 502                          .
 DTC Confirmation Procedure .............................. 469        .        On Board Diagnosis Logic ................................... 502          .       J
 Overall Function Check ....................................... 470   .        DTC Confirmation Procedure .............................. 502             .
 Diagnostic Procedure .......................................... 470  .        Wiring Diagram .................................................... 503   .
DTC P0460 FUEL LEVEL SENSOR ..................... 477                 .        Diagnostic Procedure .......................................... 505       .       K
 Component Description ....................................... 477    .       DTC P0850 PNP SWITCH ..................................... 507             .
 On Board Diagnosis Logic .................................. 477      .        Component Description ....................................... 507         .
 DTC Confirmation Procedure .............................. 477        .        CONSULT-II Reference Value in Data Monitor Mode                                   L
 Diagnostic Procedure .......................................... 478  .                                                                                  . 507
 Removal and Installation ..................................... 478   .        On Board Diagnosis Logic ................................... 507          .
DTC P0461 FUEL LEVEL SENSOR ..................... 479                 .        DTC Confirmation Procedure .............................. 507             .
 Component Description ....................................... 479    .        Overall Function Check ....................................... 508        .       M
 On Board Diagnosis Logic .................................. 479      .        Wiring Diagram .................................................... 509   .
 Overall Function Check ....................................... 479   .        Diagnostic Procedure .......................................... 512       .
 Diagnostic Procedure .......................................... 480  .       DTC P1078 P1084 EVT CONTROL POSITION SEN-
 Removal and Installation ..................................... 480   .       SOR ........................................................................ 515
                                                                                                                                                         .
DTC P0462, P0463 FUEL LEVEL SENSOR ......... 481                      .        Component Description ....................................... 515         .
 Component Description ....................................... 481    .        CONSULT-II Reference Value in Data Monitor Mode
 On Board Diagnosis Logic .................................. 481      .                                                                                  . 515
 DTC Confirmation Procedure .............................. 481        .        On Board Diagnosis Logic ................................... 515          .
 Diagnostic Procedure .......................................... 482  .        DTC Confirmation Procedure .............................. 515             .
 Removal and Installation ..................................... 482   .        Wiring Diagram .................................................... 516   .
DTC P0500 VSS .................................................... 483.        Diagnostic Procedure .......................................... 519       .
 Description .......................................................... 483
                                                                      .        Component Inspection ......................................... 522        .
 On Board Diagnosis Logic .................................. 483      .        Removal and Installation ..................................... 522        .
 DTC Confirmation Procedure .............................. 483        .       DTC P1148, P1168 CLOSED LOOP CONTROL ... 523                               .
 Overall Function Check ....................................... 485   .        On Board Diagnosis Logic ................................... 523          .
 Diagnostic Procedure .......................................... 485  .       DTC P1211 TCS CONTROL UNIT ......................... 524                   .
DTC P0506 ISC SYSTEM ...................................... 486       .        Description ........................................................... 524
                                                                                                                                                         .

Revision: 2006 August                                                    EC-5                                                        2006 G35 Sedan
 On Board Diagnosis Logic ................................... 524      .        On Board Diagnosis Logic ................................... 569        .
 DTC Confirmation Procedure .............................. 524         .        Diagnostic Procedure ........................................... 569    .
 Diagnostic Procedure .......................................... 524   .       DTC P1805 BRAKE SWITCH ................................ 570              .
DTC P1212 TCS COMMUNICATION LINE ........... 525                       .        Description ........................................................... 570
                                                                                                                                                        .
 Description ........................................................... 525
                                                                       .        CONSULT-II Reference Value in Data Monitor Mode
 On Board Diagnosis Logic ................................... 525      .                                                                                .570
 DTC Confirmation Procedure .............................. 525         .        On Board Diagnosis Logic ................................... 570        .
 Diagnostic Procedure .......................................... 525   .        DTC Confirmation Procedure ............................... 570          .
DTC P1217 ENGINE OVER TEMPERATURE ....... 526                          .        Wiring Diagram .................................................... 571 .
 Description ........................................................... 526
                                                                       .        Diagnostic Procedure ........................................... 572    .
 CONSULT-II Reference Value in Data Monitor Mode                                Component Inspection ......................................... 574      .
                                                                       . 527   DTC P2100, P2103 THROTTLE CONTROL MOTOR
 On Board Diagnosis Logic ................................... 527      .       RELAY .................................................................... 575
                                                                                                                                                        .
 Overall Function Check ....................................... 528    .        Component Description ....................................... 575       .
 Wiring Diagram .................................................... 530
                                                                       .        CONSULT-II Reference Value in Data Monitor Mode
 Diagnostic Procedure .......................................... 532   .                                                                                .575
 Main 12 Causes of Overheating .......................... 536          .        On Board Diagnosis Logic ................................... 575        .
 Component Inspection ......................................... 537    .        DTC Confirmation Procedure ............................... 575          .
DTC P1225 TP SENSOR ....................................... 538        .        Wiring Diagram .................................................... 577 .
 Component Description ....................................... 538     .        Diagnostic Procedure ........................................... 578    .
 On Board Diagnosis Logic ................................... 538      .       DTC P2101 ELECTRIC THROTTLE CONTROL
 DTC Confirmation Procedure .............................. 538         .       FUNCTION ............................................................. 581
                                                                                                                                                        .
 Diagnostic Procedure .......................................... 539   .        Description ........................................................... 581
                                                                                                                                                        .
 Removal and Installation ..................................... 539    .        On Board Diagnosis Logic ................................... 581        .
DTC P1226 TP SENSOR ....................................... 540        .        DTC Confirmation Procedure ............................... 581          .
 Component Description ....................................... 540     .        Wiring Diagram .................................................... 582 .
 On Board Diagnosis Logic ................................... 540      .        Diagnostic Procedure ........................................... 583    .
 DTC Confirmation Procedure .............................. 540         .        Component Inspection ......................................... 586      .
 Diagnostic Procedure .......................................... 541   .        Removal and Installation ...................................... 586     .
 Removal and Installation ..................................... 541    .       DTC P2118 THROTTLE CONTROL MOTOR ........ 587                            .
DTC P1564 ASCD STEERING SWITCH ............... 542                     .        Component Description ....................................... 587       .
 Component Description ....................................... 542     .        On Board Diagnosis Logic ................................... 587        .
 CONSULT-II Reference Value in Data Monitor Mode                                DTC Confirmation Procedure ............................... 587          .
                                                                       . 542    Wiring Diagram .................................................... 588 .
 On Board Diagnosis Logic ................................... 542      .        Diagnostic Procedure ........................................... 589    .
 DTC Confirmation Procedure .............................. 543         .        Component Inspection ......................................... 590      .
 Wiring Diagram .................................................... 544
                                                                       .        Removal and Installation ...................................... 591     .
 Diagnostic Procedure .......................................... 546   .       DTC P2119 ELECTRIC THROTTLE CONTROL
 Component Inspection ......................................... 549    .       ACTUATOR ............................................................ 592.
DTC P1572 ASCD BRAKE SWITCH ..................... 550                  .        Component Description ....................................... 592       .
 Component Description ....................................... 550     .        On Board Diagnosis Logic ................................... 592        .
 CONSULT-II Reference Value in Data Monitor Mode                                DTC Confirmation Procedure ............................... 592          .
                                                                       . 550    Diagnostic Procedure ........................................... 593    .
 On Board Diagnosis Logic ................................... 550      .       DTC P2122, P2123 APP SENSOR ........................ 594                 .
 DTC Confirmation Procedure .............................. 552         .        Component Description ....................................... 594       .
 Wiring Diagram .................................................... 553
                                                                       .        CONSULT-II Reference Value in Data Monitor Mode
 Diagnostic Procedure .......................................... 556   .                                                                                .594
 Component Inspection ......................................... 566    .        On Board Diagnosis Logic ................................... 594        .
DTC P1574 ASCD VEHICLE SPEED SENSOR .... 567                           .        DTC Confirmation Procedure ............................... 595          .
 Component Description ....................................... 567     .        Wiring Diagram .................................................... 596 .
 On Board Diagnosis Logic ................................... 567      .        Diagnostic Procedure ........................................... 597    .
 DTC Confirmation Procedure .............................. 567         .        Component Inspection ......................................... 599      .
 Diagnostic Procedure .......................................... 568   .        Removal and Installation ...................................... 600     .
DTC P1715 INPUT SPEED SENSOR (TURBINE                                          DTC P2127, P2128 APP SENSOR ........................ 601                 .
REVOLUTION SENSOR) ....................................... 569         .        Component Description ....................................... 601       .
 Description ........................................................... 569
                                                                       .        CONSULT-II Reference Value in Data Monitor Mode
 CONSULT-II Reference Value in Data Monitor Mode                                                                                                        .601
                                                                       . 569    On Board Diagnosis Logic ................................... 601        .
                                                                                DTC Confirmation Procedure ............................... 602          .

Revision: 2006 August                                                     EC-6                                                       2006 G35 Sedan
 Wiring Diagram ................................................... 603
                                                                      .       FUEL INJECTOR ................................................... 655     .
 Diagnostic Procedure .......................................... 604  .         Component Description ....................................... 655       .       A
 Component Inspection ........................................ 607    .         CONSULT-II Reference Value in Data Monitor Mode
 Removal and Installation ..................................... 607   .                                                                                 . 655
DTC P2135 TP SENSOR ....................................... 608       .         Wiring Diagram .................................................... 656 .       EC
 Component Description ....................................... 608    .         Diagnostic Procedure .......................................... 657     .
 CONSULT-II Reference Value in Data Monitor Mode                                Component Inspection ......................................... 661      .
                                                                      . 608     Removal and Installation ..................................... 661      .
 On Board Diagnosis Logic .................................. 608      .       FUEL PUMP ........................................................... 662 .       C
 DTC Confirmation Procedure .............................. 609        .         Description ........................................................... 662
                                                                                                                                                        .
 Wiring Diagram ................................................... 610
                                                                      .         CONSULT-II Reference Value in Data Monitor Mode
 Diagnostic Procedure ...........................................611  .                                                                                 . 662   D
 Component Inspection ........................................ 614    .         Wiring Diagram .................................................... 663 .
 Removal and Installation ..................................... 614   .         Diagnostic Procedure .......................................... 664     .
DTC P2138 APP SENSOR .................................... 615         .         Component Inspection ......................................... 667      .       E
 Component Description ....................................... 615    .         Removal and Installation ..................................... 667      .
 CONSULT-II Reference Value in Data Monitor Mode                              IGNITION SIGNAL ................................................. 668     .
                                                                      . 615     Component Description ....................................... 668       .
 On Board Diagnosis Logic .................................. 615      .         Wiring Diagram .................................................... 669 .       F
 DTC Confirmation Procedure .............................. 616        .         Diagnostic Procedure .......................................... 674     .
 Wiring Diagram ................................................... 617
                                                                      .         Component Inspection ......................................... 679      .
 Diagnostic Procedure ..........



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