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EC


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B ENGINE

                                                                                                                                                                      A


                                                                                                                                                                      EC
                                                                                                     SECTION
                                                                          ENGINE CONTROL SYSTEM                                                                       C


                                                                                                                                                                      D


                                                                                                                                                                      E
                                                                   CONTENTS
INDEX FOR DTC ....................................................... 8   .        NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-                                           F
  DTC No. Index ........................................................ 8.        NATS) ....................................................................... 47
                                                                                                                                                             .
  Alphabetical Index ................................................. 12 .         Description ............................................................. 47
                                                                                                                                                             .
PRECAUTIONS ....................................................... 16    .        ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 48                           .        G
  Precautions for Supplemental Restraint System                                     Introduction ............................................................ 48
                                                                                                                                                             .
  (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                           Two Trip Detection Logic ....................................... 48      .
  SIONER" ............................................................... 16
                                                                          .         Emission-related Diagnostic Information ............... 49               .
                                                                                                                                                                      H
  On Board Diagnostic (OBD) System of Engine and                                    Malfunction Indicator Lamp (MIL) .......................... 63           .
  CVT ....................................................................... 16
                                                                          .         OBD System Operation Chart ............................... 66            .
  Precaution ............................................................. 16
                                                                          .        BASIC SERVICE PROCEDURE .............................. 72                 .
PREPARATION ........................................................ 20   .         Basic Inspection .................................................... 72 .         I
  Special Service Tools ............................................ 20   .         Idle Speed and Ignition Timing Check ................... 77              .
  Commercial Service Tools ..................................... 22       .         Procedure After Replacing ECM ........................... 78             .
ENGINE CONTROL SYSTEM ................................. 23                .         VIN Registration .................................................... 78 .        J
  System Diagram .................................................... 23  .         Accelerator Pedal Released Position Learning ..... 79                    .
  Multiport Fuel Injection (MFI) System ................... 24            .         Throttle Valve Closed Position Learning ................ 79              .
  Electronic Ignition (EI) System .............................. 26       .         Idle Air Volume Learning ....................................... 79      .
                                                                                                                                                                      K
  Fuel Cut Control (at No Load and High Engine                                      Fuel Pressure Check ............................................. 81     .
  Speed) ................................................................... 27
                                                                          .        TROUBLE DIAGNOSIS ........................................... 84          .
AIR CONDITIONING CUT CONTROL .................... 28                      .         Trouble Diagnosis Introduction .............................. 84         .
  Input/Output Signal Chart ...................................... 28     .         DTC Inspection Priority Chart ................................ 90        .        L
  System Description ............................................... 28   .         Fail-safe Chart ....................................................... 92
                                                                                                                                                             .
AUTOMATIC SPEED CONTROL DEVICE (ASCD) 29                                  ...       Symptom Matrix Chart ........................................... 93      .
  System Description ............................................... 29   .         Engine Control Component Parts Location ........... 97                   .        M
  Component Description ......................................... 30      .         Vacuum Hose Drawing ........................................ 104         .
CAN COMMUNICATION ......................................... 31            .         Circuit Diagram .................................................... 105 .
  System Description ............................................... 31   .         ECM Harness Connector Terminal Layout .......... 107                     .
EVAPORATIVE EMISSION SYSTEM ...................... 32                     .         ECM Terminals and Reference Value .................. 107                 .
  Description ............................................................ 32
                                                                          .         CONSULT-II Function (ENGINE) ......................... 117               .
  Component Inspection .......................................... 35      .         Generic Scan Tool (GST) Function ...................... 129              .
  Removal and Installation ....................................... 36     .         CONSULT-II Reference Value in Data Monitor .... 132                      .
  How to Detect Fuel Vapor Leakage ...................... 36              .         Major Sensor Reference Graph in Data Monitor
ON BOARD REFUELING VAPOR RECOVERY                                                   Mode .................................................................... 135
                                                                                                                                                             .
(ORVR) ..................................................................... 39
                                                                          .        TROUBLE DIAGNOSIS - SPECIFICATION VALUE 137                               .
  System Description ............................................... 39   .         Description ........................................................... 137
                                                                                                                                                             .
  Diagnostic Procedure ............................................ 40    .         Testing Condition ................................................. 137  .
  Component Inspection .......................................... 43      .         Inspection Procedure ........................................... 137     .
POSITIVE CRANKCASE VENTILATION ................ 45                        .         Diagnostic Procedure .......................................... 138      .
  Description ............................................................ 45
                                                                          .        TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
  Component Inspection .......................................... 45      .        DENT ...................................................................... 147
                                                                                                                                                             .


Revision: May 2006                                                           EC-1                                                              2007 Maxima
 Description ........................................................... 147
                                                                         .        Component Description ....................................... 188 .
 Diagnostic Procedure .......................................... 147     .        CONSULT-II Reference Value in Data Monitor Mode
POWER SUPPLY AND GROUND CIRCUIT .......... 148                           .                                                                          .188
 Wiring Diagram .................................................... 148 .        On Board Diagnosis Logic ................................... 188  .
 Diagnostic Procedure .......................................... 151     .        DTC Confirmation Procedure ............................... 189    .
 Ground Inspection ............................................... 156   .        Overall Function Check ........................................ 190
                                                                                                                                                    .
DTC U1000, U1001 CAN COMMUNICATION LINE. 157                                      Wiring Diagram .................................................... 191
                                                                                                                                                    .
 Description ........................................................... 157
                                                                         .        Diagnostic Procedure ........................................... 192
                                                                                                                                                    .
 On Board Diagnosis Logic ................................... 157        .        Component Inspection ......................................... 195.
 DTC Confirmation Procedure .............................. 157           .        Removal and Installation ...................................... 196
                                                                                                                                                    .
 Wiring Diagram .................................................... 158 .       DTC P0102, P0103 MAF SENSOR ........................ 197           .
 Diagnostic Procedure .......................................... 159     .        Component Description ....................................... 197 .
DTC U1010 CAN COMMUNICATION .................... 160                     .        CONSULT-II Reference Value in Data Monitor Mode
 Description ........................................................... 160
                                                                         .                                                                          .197
 On Board Diagnosis Logic ................................... 160        .        On Board Diagnosis Logic ................................... 197  .
 DTC Confirmation Procedure .............................. 160           .        DTC Confirmation Procedure ............................... 198    .
 Diagnostic Procedure .......................................... 161     .        Wiring Diagram .................................................... 199
                                                                                                                                                    .
DTC P0011, P0021 IVT CONTROL ....................... 162                 .        Diagnostic Procedure ........................................... 200
                                                                                                                                                    .
 Description ........................................................... 162
                                                                         .        Component Inspection ......................................... 203.
 CONSULT-II Reference Value in Data Monitor Mode                                  Removal and Installation ...................................... 204
                                                                                                                                                    .
                                                                         . 162   DTC P0112, P0113 IAT SENSOR ........................... 205        .
 On Board Diagnosis Logic ................................... 163        .        Component Description ....................................... 205 .
 DTC Confirmation Procedure .............................. 163           .        On Board Diagnosis Logic ................................... 205  .
 Diagnostic Procedure .......................................... 164     .        DTC Confirmation Procedure ............................... 205    .
 Component Inspection ......................................... 165      .        Wiring Diagram .................................................... 206
                                                                                                                                                    .
 Removal and Installation ..................................... 165      .        Diagnostic Procedure ........................................... 207
                                                                                                                                                    .
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1                                       Component Inspection ......................................... 208.
HEATER ................................................................. 166
                                                                         .        Removal and Installation ...................................... 208
                                                                                                                                                    .
 Description ........................................................... 166
                                                                         .       DTC P0117, P0118 ECT SENSOR ......................... 209          .
 CONSULT-II Reference Value in Data Monitor Mode                                  Component Description ....................................... 209 .
                                                                         . 166    On Board Diagnosis Logic ................................... 209  .
 On Board Diagnosis Logic ................................... 166        .        DTC Confirmation Procedure ............................... 210    .
 DTC Confirmation Procedure .............................. 166           .        Wiring Diagram .................................................... 211
                                                                                                                                                    .
 Wiring Diagram .................................................... 167 .        Diagnostic Procedure ........................................... 212
                                                                                                                                                    .
 Diagnostic Procedure .......................................... 170     .        Component Inspection ......................................... 213.
 Component Inspection ......................................... 172      .        Removal and Installation ...................................... 213
                                                                                                                                                    .
 Removal and Installation ..................................... 172      .       DTC P0122, P0123 TP SENSOR ........................... 214         .
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER 173                          .        Component Description ....................................... 214 .
 Description ........................................................... 173
                                                                         .        CONSULT-II Reference Value in Data Monitor Mode
 CONSULT-II Reference Value in Data Monitor Mode                                                                                                    .214
                                                                         . 173    On Board Diagnosis Logic ................................... 214  .
 On Board Diagnosis Logic ................................... 173        .        DTC Confirmation Procedure ............................... 215    .
 DTC Confirmation Procedure .............................. 174           .        Wiring Diagram .................................................... 216
                                                                                                                                                    .
 Wiring Diagram .................................................... 175 .        Diagnostic Procedure ........................................... 217
                                                                                                                                                    .
 Diagnostic Procedure .......................................... 178     .        Component Inspection ......................................... 220.
 Component Inspection ......................................... 180      .        Removal and Installation ...................................... 220
                                                                                                                                                    .
 Removal and Installation ..................................... 180      .       DTC P0125 ECT SENSOR ..................................... 221     .
DTC P0075, P0081 IVT CONTROL SOLENOID                                             Component Description ....................................... 221 .
VALVE .................................................................... 181
                                                                         .        On Board Diagnosis Logic ................................... 221  .
 Component Description ....................................... 181       .        DTC Confirmation Procedure ............................... 222    .
 CONSULT-II Reference Value in Data Monitor Mode                                  Diagnostic Procedure ........................................... 222
                                                                                                                                                    .
                                                                         . 181    Component Inspection ......................................... 223.
 On Board Diagnosis Logic ................................... 181        .        Removal and Installation ...................................... 223
                                                                                                                                                    .
 DTC Confirmation Procedure .............................. 181           .       DTC P0127 IAT SENSOR ....................................... 224   .
 Wiring Diagram .................................................... 182 .        Component Description ....................................... 224 .
 Diagnostic Procedure .......................................... 186     .        On Board Diagnosis Logic ................................... 224  .
 Component Inspection ......................................... 187      .        DTC Confirmation Procedure ............................... 224    .
 Removal and Installation ..................................... 187      .        Diagnostic Procedure ........................................... 225
                                                                                                                                                    .
DTC P0101 MAF SENSOR .................................... 188            .

Revision: May 2006                                                          EC-2                                                        2007 Maxima
 Component Inspection ........................................ 226.                                                                            . 280
 Removal and Installation ..................................... 226
                                                                  .         On Board Diagnosis Logic ................................... 280   .       A
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
                                                                                                                                               .       EC
 Diagnostic Procedure .......................................... 227
                                                                  .         Diagnostic Procedure .......................................... 286.
 Component Inspection ........................................ 228.         Component Inspection ......................................... 291 .
 Removal and Installation ..................................... 228
                                                                  .         Removal and Installation ..................................... 292 .
DTC P0130, P0150 A/F SENSOR 1 ...................... 229          .       DTC P0139, P0159 HO2S2 .................................... 293      .       C
 Component Description ....................................... 229.         Component Description ....................................... 293  .
 CONSULT-II Reference Value in Data Monitor Mode                            CONSULT-II Reference Value in Data Monitor Mode
                                                                  . 229                                                                        . 293   D
 On Board Diagnosis Logic .................................. 229  .         On Board Diagnosis Logic ................................... 293   .
 DTC Confirmation Procedure .............................. 230    .         DTC Confirmation Procedure .............................. 294      .
 Overall Function Check ....................................... 231
                                                                  .         Overall Function Check ....................................... 294 .       E
 Wiring Diagram ................................................... 232
                                                                  .         Wiring Diagram .................................................... 296
                                                                                                                                               .
 Diagnostic Procedure .......................................... 235
                                                                  .         Diagnostic Procedure .......................................... 299.
 Removal and Installation ..................................... 238
                                                                  .         Component Inspection ......................................... 303 .
DTC P0131, P0151 A/F SENSOR 1 ...................... 239          .         Removal and Installation ..................................... 304 .       F
 Component Description ....................................... 239.       DTC P0171, P0174 FUEL INJECTION SYSTEM
 CONSULT-II Reference Value in Data Monitor Mode                          FUNCTION ............................................................. 305
                                                                                                                                               .
                                                                  . 239     On Board Diagnosis Logic ................................... 305   .       G
 On Board Diagnosis Logic .................................. 239  .         DTC Confirmation Procedure .............................. 305      .
 DTC Confirmation Procedure .............................. 239    .         Wiring Diagram .................................................... 307
                                                                                                                                               .
 Wiring Diagram ................................................... 241
                                                                  .         Diagnostic Procedure .......................................... 311.       H
 Diagnostic Procedure .......................................... 244
                                                                  .       DTC P0172, P0175 FUEL INJECTION SYSTEM
 Removal and Installation ..................................... 247
                                                                  .       FUNCTION ............................................................. 317
                                                                                                                                               .
DTC P0132, P0152 A/F SENSOR 1 ...................... 248          .         On Board Diagnosis Logic ................................... 317   .
                                                                                                                                                        I
 Component Description ....................................... 248.         DTC Confirmation Procedure .............................. 317      .
 CONSULT-II Reference Value in Data Monitor Mode                            Wiring Diagram .................................................... 319
                                                                                                                                               .
                                                                  . 248     Diagnostic Procedure .......................................... 323.
 On Board Diagnosis Logic .................................. 248  .       DTC P0181 FTT SENSOR ..................................... 329       .       J
 DTC Confirmation Procedure .............................. 248    .         Component Description ....................................... 329  .
 Wiring Diagram ................................................... 250
                                                                  .         On Board Diagnosis Logic ................................... 329   .
 Diagnostic Procedure .......................................... 253
                                                                  .         DTC Confirmation Procedure .............................. 329      .       K
 Removal and Installation ..................................... 256
                                                                  .         Wiring Diagram .................................................... 331
                                                                                                                                               .
DTC P0133, P0153 A/F SENSOR 1 ...................... 257          .         Diagnostic Procedure .......................................... 332.
 Component Description ....................................... 257.         Component Inspection ......................................... 334 .       L
 CONSULT-II Reference Value in Data Monitor Mode                            Removal and Installation ..................................... 334 .
                                                                  . 257   DTC P0182, P0183 FTT SENSOR ......................... 335            .
 On Board Diagnosis Logic .................................. 257  .         Component Description ....................................... 335  .
 DTC Confirmation Procedure .............................. 258    .         On Board Diagnosis Logic ................................... 335   .       M
 Wiring Diagram ................................................... 260
                                                                  .         DTC Confirmation Procedure .............................. 335      .
 Diagnostic Procedure .......................................... 263
                                                                  .         Wiring Diagram .................................................... 336
                                                                                                                                               .
 Removal and Installation ..................................... 268
                                                                  .         Diagnostic Procedure .......................................... 337.
DTC P0137, P0157 HO2S2 ................................... 269    .         Component Inspection ......................................... 339 .
 Component Description ....................................... 269.         Removal and Installation ..................................... 339 .
 CONSULT-II Reference Value in Data Monitor Mode                          DTC P0222, P0223 TP SENSOR ........................... 340           .
                                                                  . 269     Component Description ....................................... 340  .
 On Board Diagnosis Logic .................................. 269  .         CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 270    .                                                                            . 340
 Overall Function Check ....................................... 270
                                                                  .         On Board Diagnosis Logic ................................... 340   .
 Wiring Diagram ................................................... 272
                                                                  .         DTC Confirmation Procedure .............................. 341      .
 Diagnostic Procedure .......................................... 275
                                                                  .         Wiring Diagram .................................................... 342
                                                                                                                                               .
 Component Inspection ........................................ 277.         Diagnostic Procedure .......................................... 343.
 Removal and Installation ..................................... 279
                                                                  .         Component Inspection ......................................... 346 .
DTC P0138, P0158 HO2S2 ................................... 280    .         Removal and Installation ..................................... 346 .
 Component Description ....................................... 280.       DTC P0300 - P0306 MULTIPLE CYLINDER MIS-
 CONSULT-II Reference Value in Data Monitor Mode                          FIRE, NO. 1 - 6 CYLINDER MISFIRE .................... 347            .

Revision: May 2006                                                   EC-3                                                         2007 Maxima
  On Board Diagnosis Logic ................................... 347         .        CONSULT-II Reference Value in Data Monitor Mode
  DTC Confirmation Procedure .............................. 347            .                                                                                 .407
  Diagnostic Procedure .......................................... 348      .        On Board Diagnosis Logic ................................... 408         .
DTC P0327, P0328 KS ........................................... 356        .        DTC Confirmation Procedure ............................... 408           .
  Component Description ....................................... 356        .        Wiring Diagram .................................................... 409  .
  On Board Diagnosis Logic ................................... 356         .        Diagnostic Procedure ........................................... 411     .
  DTC Confirmation Procedure .............................. 356            .        Component Inspection ......................................... 412       .
  Wiring Diagram .................................................... 357  .        Removal and Installation ...................................... 413      .
  Diagnostic Procedure .......................................... 358      .       DTC P0447 EVAP CANISTER VENT CONTROL
  Component Inspection ......................................... 360       .       VALVE ..................................................................... 414
                                                                                                                                                             .
  Removal and Installation ..................................... 360       .        Component Description ....................................... 414        .
DTC P0335 CKP SENSOR (POS) ......................... 361                   .        CONSULT-II Reference Value in Data Monitor Mode
  Component Description ....................................... 361        .                                                                                 .414
  CONSULT-II Reference Value in Data Monitor Mode                                   On Board Diagnosis Logic ................................... 414         .
                                                                           . 361    DTC Confirmation Procedure ............................... 415           .
  On Board Diagnosis Logic ................................... 361         .        Wiring Diagram .................................................... 416  .
  DTC Confirmation Procedure .............................. 361            .        Diagnostic Procedure ........................................... 417     .
  Wiring Diagram .................................................... 363  .        Component Inspection ......................................... 419       .
  Diagnostic Procedure .......................................... 364      .       DTC P0448 EVAP CANISTER VENT CONTROL
  Component Inspection ......................................... 367       .       VALVE ..................................................................... 421
                                                                                                                                                             .
  Removal and Installation ..................................... 367       .        Component Description ....................................... 421        .
DTC P0340, P0345 CMP SENSOR (PHASE) ........ 368                           .        CONSULT-II Reference Value in Data Monitor Mode
  Component Description ....................................... 368        .                                                                                 .421
  On Board Diagnosis Logic ................................... 368         .        On Board Diagnosis Logic ................................... 421         .
  DTC Confirmation Procedure .............................. 368            .        DTC Confirmation Procedure ............................... 422           .
  Wiring Diagram .................................................... 370  .        Wiring Diagram .................................................... 423  .
  Diagnostic Procedure .......................................... 373      .        Diagnostic Procedure ........................................... 424     .
  Component Inspection ......................................... 376       .        Component Inspection ......................................... 426       .
  Removal and Installation ..................................... 377       .       DTC P0451 EVAP CONTROL SYSTEM PRESSURE
DTC P0420, P0430 THREE WAY CATALYST FUNC-                                          SENSOR ................................................................. 428
                                                                                                                                                             .
TION ....................................................................... 378
                                                                           .        Component Description ....................................... 428        .
  On Board Diagnosis Logic ................................... 378         .        CONSULT-II Reference Value in Data Monitor Mode
  DTC Confirmation Procedure .............................. 378            .                                                                                 .428
  Overall Function Check ....................................... 379       .        On Board Diagnosis Logic ................................... 428         .
  Diagnostic Procedure .......................................... 380      .        DTC Confirmation Procedure ............................... 429           .
DTC P0441 EVAP CONTROL SYSTEM ................ 384                         .        Diagnostic Procedure ........................................... 429     .
  System Description .............................................. 384    .        Component Inspection ......................................... 430       .
  On Board Diagnosis Logic ................................... 384         .       DTC P0452 EVAP CONTROL SYSTEM PRESSURE
  DTC Confirmation Procedure .............................. 385            .       SENSOR ................................................................. 431
                                                                                                                                                             .
  Overall Function Check ....................................... 385       .        Component Description ....................................... 431        .
  Diagnostic Procedure .......................................... 386      .        CONSULT-II Reference Value in Data Monitor Mode
DTC P0442 EVAP CONTROL SYSTEM ................ 390                         .                                                                                 .431
  On Board Diagnosis Logic ................................... 390         .        On Board Diagnosis Logic ................................... 431         .
  DTC Confirmation Procedure .............................. 391            .        DTC Confirmation Procedure ............................... 432           .
  Diagnostic Procedure .......................................... 392      .        Wiring Diagram .................................................... 433  .
DTC P0443 EVAP CANISTER PURGE VOLUME                                                Diagnostic Procedure ........................................... 434     .
CONTROL SOLENOID VALVE .............................. 399                  .        Component Inspection ......................................... 436       .
  Description ........................................................... 399
                                                                           .       DTC P0453 EVAP CONTROL SYSTEM PRESSURE
  CONSULT-II Reference Value in Data Monitor Mode                                  SENSOR ................................................................. 437
                                                                                                                                                             .
                                                                           . 399    Component Description ....................................... 437        .
  On Board Diagnosis Logic ................................... 400         .        CONSULT-II Reference Value in Data Monitor Mode
  DTC Confirmation Procedure .............................. 400            .                                                                                 .437
  Wiring Diagram .................................................... 401  .        On Board Diagnosis Logic ................................... 437         .
  Diagnostic Procedure .......................................... 403      .        DTC Confirmation Procedure ............................... 438           .
  Component Inspection ......................................... 406       .        Wiring Diagram .................................................... 439  .
  Removal and Installation ..................................... 406       .        Diagnostic Procedure ........................................... 440     .
DTC P0444, P0445 EVAP CANISTER PURGE VOL-                                           Component Inspection ......................................... 443       .
UME CONTROL SOLENOID VALVE ..................... 407                       .       DTC P0455 EVAP CONTROL SYSTEM ................ 444                        .
  Description ........................................................... 407
                                                                           .        On Board Diagnosis Logic ................................... 444         .

Revision: May 2006                                                            EC-4                                                             2007 Maxima
 DTC Confirmation Procedure .............................. 445        .        On Board Diagnosis Logic ................................... 483      .
 Diagnostic Procedure .......................................... 446  .        DTC Confirmation Procedure .............................. 483         .       A
DTC P0456 EVAP CONTROL SYSTEM ............... 452                     .        Diagnostic Procedure .......................................... 484   .
 On Board Diagnosis Logic .................................. 452      .       DTC P0643 SENSOR POWER SUPPLY ............... 486                      .
 DTC Confirmation Procedure .............................. 453        .        On Board Diagnosis Logic ................................... 486      .       EC
 Overall Function Check ....................................... 454   .        DTC Confirmation Procedure .............................. 486         .
 Diagnostic Procedure .......................................... 455  .        Wiring Diagram .................................................... 487
                                                                                                                                                     .
DTC P0460 FUEL LEVEL SENSOR ..................... 462                 .        Diagnostic Procedure .......................................... 489   .
 Component Description ....................................... 462    .       DTC P0850 PNP SWITCH ..................................... 491         .       C
 On Board Diagnosis Logic .................................. 462      .        Component Description ....................................... 491     .
 DTC Confirmation Procedure .............................. 462        .        CONSULT-II Reference Value in Data Monitor Mode
 Diagnostic Procedure .......................................... 463  .                                                                              . 491   D
 Removal and Installation ..................................... 463   .        On Board Diagnosis Logic ................................... 491      .
DTC P0461 FUEL LEVEL SENSOR ..................... 464                 .        DTC Confirmation Procedure .............................. 491         .
 Component Description ....................................... 464    .        Overall Function Check ....................................... 492    .       E
 On Board Diagnosis Logic .................................. 464      .        Wiring Diagram .................................................... 493
                                                                                                                                                     .
 Overall Function Check ....................................... 464   .        Diagnostic Procedure .......................................... 494   .
 Diagnostic Procedure .......................................... 465  .       DTC P1148, P1168 CLOSED LOOP CONTROL ... 496                           .
 Removal and Installation ..................................... 465   .        On Board Diagnosis Logic ................................... 496      .       F
DTC P0462, P0463 FUEL LEVEL SENSOR ......... 466                      .       DTC P1211 TCS CONTROL UNIT ......................... 497               .
 Component Description ....................................... 466    .        Description ........................................................... 497
                                                                                                                                                     .
 On Board Diagnosis Logic .................................. 466      .        On Board Diagnosis Logic ................................... 497      .       G
 DTC Confirmation Procedure .............................. 466        .        DTC Confirmation Procedure .............................. 497         .
 Diagnostic Procedure .......................................... 467  .        Diagnostic Procedure .......................................... 497   .
 Removal and Installation ..................................... 467   .       DTC P1212 TCS COMMUNICATION LINE ........... 498                       .       H
DTC P0500 VSS .................................................... 468.        Description ........................................................... 498
                                                                                                                                                     .
 Description .......................................................... 468
                                                                      .        On Board Diagnosis Logic ................................... 498      .
 On Board Diagnosis Logic .................................. 468      .        DTC Confirmation Procedure .............................. 498         .
                                                                                                                                                              I
 DTC Confirmation Procedure .............................. 468        .        Diagnostic Procedure .......................................... 498   .
 Overall Function Check ....................................... 469   .       DTC P1217 ENGINE OVER TEMPERATURE ....... 499                          .
 Diagnostic Procedure .......................................... 469  .        Description ........................................................... 499
                                                                                                                                                     .
DTC P0506 ISC SYSTEM ...................................... 470       .        CONSULT-II Reference Value in Data Monitor Mode                               J
 Description .......................................................... 470
                                                                      .                                                                              . 500
 On Board Diagnosis Logic .................................. 470      .        On Board Diagnosis Logic ................................... 501      .
 DTC Confirmation Procedure .............................. 470        .        Overall Function Check ....................................... 502    .       K
 Diagnostic Procedure .......................................... 471  .        Wiring Diagram .................................................... 503
                                                                                                                                                     .
DTC P0507 ISC SYSTEM ...................................... 472       .        Diagnostic Procedure .......................................... 505   .
 Description .......................................................... 472
                                                                      .        Main 12 Causes of Overheating .......................... 509          .       L
 On Board Diagnosis Logic .................................. 472      .        Component Inspection ......................................... 509    .
 DTC Confirmation Procedure .............................. 472        .       DTC P1225 TP SENSOR ....................................... 511        .
 Diagnostic Procedure .......................................... 473  .        Component Description ....................................... 511     .
DTC P0550 PSP SENSOR .................................... 474         .        On Board Diagnosis Logic ................................... 511      .       M
 Component Description ....................................... 474    .        DTC Confirmation Procedure .............................. 511         .
 CONSULT-II Reference Value in Data Monitor Mode                               Diagnostic Procedure .......................................... 512   .
                                                                      . 474    Removal and Installation ..................................... 512    .
 On Board Diagnosis Logic .................................. 474      .       DTC P1226 TP SENSOR ....................................... 513        .
 DTC Confirmation Procedure .............................. 474        .        Component Description ....................................... 513     .
 Wiring Diagram ................................................... 475
                                                                      .        On Board Diagnosis Logic ................................... 513      .
 Diagnostic Procedure .......................................... 476  .        DTC Confirmation Procedure .............................. 513         .
 Component Inspection ........................................ 478    .        Diagnostic Procedure .......................................... 514   .
 Removal and Installation ..................................... 478   .        Removal and Installation ..................................... 514    .
DTC P0603 ECM POWER SUPPLY ...................... 479                 .       DTC P1421 COLD START CONTROL .................. 515                    .
 Component Description ....................................... 479    .        Description ........................................................... 515
                                                                                                                                                     .
 On Board Diagnosis Logic .................................. 479      .        On Board Diagnosis Logic ................................... 515      .
 DTC Confirmation Procedure .............................. 479        .        DTC Confirmation Procedure .............................. 515         .
 Wiring Diagram ................................................... 480
                                                                      .        Diagnostic Procedure .......................................... 515   .
 Diagnostic Procedure .......................................... 481  .       DTC P1564 ASCD STEERING SWITCH ............... 517                     .
DTC P0605 ECM ................................................... 483 .        Component Description ....................................... 517     .
 Component Description ....................................... 483    .        CONSULT-II Reference Value in Data Monitor Mode

Revision: May 2006                                                       EC-5                                                          2007 Maxima
                                                                         . 517    On Board Diagnosis Logic ................................... 552   .
 On Board Diagnosis Logic ................................... 517        .        DTC Confirmation Procedure ............................... 552     .
 DTC Confirmation Procedure .............................. 518           .        Wiring Diagram .................................................... 553
                                                                                                                                                     .
 Wiring Diagram .................................................... 519 .        Diagnostic Procedure ........................................... 554
                                                                                                                                                     .
 Diagnostic Procedure .......................................... 520     .        Component Inspection ......................................... 557 .
 Component Inspection ......................................... 523      .        Removal and Installation ...................................... 557.
DTC P1572 ASCD BRAKE SWITCH ..................... 524                    .       DTC P2118 THROTTLE CONTROL MOTOR ........ 558                       .
 Component Description ....................................... 524       .        Component Description ....................................... 558  .
 CONSULT-II Reference Value in Data Monitor Mode                                  On Board Diagnosis Logic ................................... 558   .
                                                                         . 524    DTC Confirmation Procedure ............................... 558     .
 On Board Diagnosis Logic ................................... 524        .        Wiring Diagram .................................................... 559
                                                                                                                                                     .
 DTC Confirmation Procedure .............................. 525           .        Diagnostic Procedure ........................................... 560
                                                                                                                                                     .
 Wiring Diagram .................................................... 526 .        Component Inspection ......................................... 561 .
 Diagnostic Procedure .......................................... 527     .        Removal and Installation ...................................... 562.
 Component Inspection ......................................... 531      .       DTC P2119 ELECTRIC THROTTLE CONTROL
DTC P1574 ASCD VEHICLE SPEED SENSOR .... 532                             .       ACTUATOR ............................................................ 563
                                                                                                                                                     .
 Component Description ....................................... 532       .        Component Description ....................................... 563  .
 On Board Diagnosis Logic ................................... 532        .        On Board Diagnosis Logic ................................... 563   .
 DTC Confirmation Procedure .............................. 532           .        DTC Confirmation Procedure ............................... 563     .
 Diagnostic Procedure .......................................... 533     .        Diagnostic Procedure ........................................... 564
                                                                                                                                                     .
DTC P1715 INPUT SPEED SENSOR (PRIMARY                                            DTC P2122, P2123 APP SENSOR ........................ 565            .
SPEED SENSOR) .................................................. 534     .        Component Description ....................................... 565  .
 Description ........................................................... 534
                                                                         .        CONSULT-II Reference Value in Data Monitor Mode
 CONSULT-II Reference Value in Data Monitor Mode                                                                                                     .565
                                                                         . 534    On Board Diagnosis Logic ................................... 565   .
 On Board Diagnosis Logic ................................... 534        .        DTC Confirmation Procedure ............................... 566     .
 DTC Confirmation Procedure .............................. 534           .        Wiring Diagram .................................................... 567
                                                                                                                                                     .
 Diagnostic Procedure .......................................... 535     .        Diagnostic Procedure ........................................... 568
                                                                                                                                                     .
DTC P1800 VIAS CONTROL SOLENOID VALVE . 536                                       Component Inspection ......................................... 570 .
 Component Description ....................................... 536       .        Removal and Installation ...................................... 571.
 CONSULT-II Reference Value in Data Monitor Mode                                 DTC P2127, P2128 APP SENSOR ........................ 572            .
                                                                         . 536    Component Description ....................................... 572  .
 On Board Diagnosis Logic ................................... 536        .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 536           .                                                                           .572
 Wiring Diagram .................................................... 537 .        On Board Diagnosis Logic ................................... 572   .
 Diagnostic Procedure .......................................... 538     .        DTC Confirmation Procedure ............................... 573     .
 Component Inspection ......................................... 539      .        Wiring Diagram .................................................... 574
                                                                                                                                                     .
 Removal and Installation ..................................... 540      .        Diagnostic Procedure ........................................... 575
                                                                                                                                                     .
DTC P1805 BRAKE SWITCH ................................ 541              .        Component Inspection ......................................... 578 .
 Description ........................................................... 541
                                                                         .        Removal and Installation ...................................... 578.
 CONSULT-II Reference Value in Data Monitor Mode                                 DTC P2135 TP SENSOR ....................................... 579     .
                                                                         . 541    Component Description ....................................... 579  .
 On Board Diagnosis Logic ................................... 541        .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 541           .                                                                           .579
 Wiring Diagram .................................................... 542 .        On Board Diagnosis Logic ................................... 579   .
 Diagnostic Procedure .......................................... 543     .        DTC Confirmation Procedure ............................... 580     .
 Component Inspection ......................................... 545      .        Wiring Diagram .................................................... 581
                                                                                                                                                     .
DTC P2100, P2103 THROTTLE CONTROL MOTOR                                           Diagnostic Procedure ........................................... 582
                                                                                                                                                     .
RELAY .................................................................... 546
                                                                         .        Component Inspection ......................................... 585 .
 Component Description ....................................... 546       .        Removal and Installation ...................................... 585.
 CONSULT-II Reference Value in Data Monitor Mode                                 DTC P2138 APP SENSOR ..................................... 586      .
                                                                         . 546    Component Description ....................................... 586  .
 On Board Diagnosis Logic ................................... 546        .        CONSULT-II Reference Value in Data Monitor Mode
 DTC Confirmation Procedure .............................. 546           .                                                                           .586
 Wiring Diagram .................................................... 548 .        On Board Diagnosis Logic ................................... 586   .
 Diagnostic Procedure .......................................... 549     .        DTC Confirmation Procedure ............................... 587     .
DTC P2101 ELECTRIC THROTTLE CONTROL                                               Wiring Diagram .................................................... 588
                                                                                                                                                     .
FUNCTION ............................................................. 552
                                                                         .        Diagnostic Procedure ........................................... 589
                                                                                                                                                     



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