Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G35 2006-2007 Approved G35-V35-Sedan-2007 ec
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ENGINE
A
ENGINE CONTROL SYSTEM
SECTION EC EC
C
D
E
CONTENTS
VQ35HR THROTTLE VALVE CLOSED POSITION F
LEARNING : Description ........................................18
.
BASIC INSPECTION ................................... 8
. THROTTLE VALVE CLOSED POSITION
LEARNING : Special Repair Requirement .............18 . G
DIAGNOSIS AND REPAIR WORKFLOW ......... 8
.
Work Flow ................................................................ 8
. IDLE AIR VOLUME LEARNING ...............................18 .
Diagnostic Work Sheet ........................................... 10. IDLE AIR VOLUME LEARNING : Description ........18 .
IDLE AIR VOLUME LEARNING : Special Repair H
INSPECTION AND ADJUSTMENT ...................12
. Requirement ...........................................................18
.
BASIC INSPECTION ................................................ 12 . EXHAUST VALVE TIMING CONTROL LEARNING
BASIC INSPECTION : Special Repair Require- I
....20
ment ....................................................................... 12
. EXHAUST VALVE TIMING CONTROL LEARN-
ING : Description ....................................................20
.
ADDITIONAL SERVICE WHEN REPLACING J
EXHAUST VALVE TIMING CONTROL LEARN-
CONTROL UNIT ....................................................... 15
.
ING : Special Repair Requirement .........................20 .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ............................... 15 . MIXTURE RATIO SELF-LEARNING VALUE
ADDITIONAL SERVICE WHEN REPLACING K
CLEAR ......................................................................20
.
CONTROL UNIT : Special Repair Requirement .... 15 MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Description ...............................................21 .
IDLE SPEED ............................................................. 16
. L
MIXTURE RATIO SELF-LEARNING VALUE
IDLE SPEED : Description ..................................... 16 .
CLEAR : Special Repair Requirement ....................21 .
IDLE SPEED : Special Repair Requirement .......... 16 .
IGNITION TIMING ..................................................... 16
. FUNCTION DIAGNOSIS ............................. 22
. M
IGNITION TIMING : Description ............................. 16 . ENGINE CONTROL SYSTEM .......................... 22
IGNITION TIMING : Special Repair Requirement 16 ....
System Diagram ....................................................22
.
System Description .................................................23
. N
VIN REGISTRATION ................................................ 17 .
VIN REGISTRATION : Description ........................ 17 . Component Parts Location .....................................23.
VIN REGISTRATION : Special Repair Require- Component Description ..........................................29
.
ment ....................................................................... 17
. O
MULTIPORT FUEL INJECTION SYSTEM ....... 31
ACCELERATOR PEDAL RELEASED POSITION System Diagram ....................................................31
.
LEARNING ............................................................... 17
. System Description .................................................31
.
Component Parts Location .....................................33. P
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Description ........................................ 17 . Component Description ..........................................40
.
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Special Repair Requirement ............. 17 .
ELECTRIC IGNITION SYSTEM ........................ 41
System Diagram ....................................................41
.
THROTTLE VALVE CLOSED POSITION LEARN- System Description .................................................41
.
ING ............................................................................ 18
. Component Parts Location .....................................42.
Revision: October 2006 EC-1 2007 G35 Sedan
Component Description ......................................... 48
. Diagnosis Procedure ............................................ 137
.
AIR CONDITIONING CUT CONTROL ............. 49
. U1010 CONTROL UNIT (CAN) ....................... 138
.
System Diagram .................................................... 49
. Description ........................................................... 138
.
System Description ................................................ 49
. DTC Logic ............................................................ 138
.
Component Parts Location .................................... 49. Diagnosis Procedure ............................................ 138 .
Component Description ......................................... 56
.
P0011, P0021 IVT CONTROL ......................... 139
.
AUTOMATIC SPEED CONTROL DEVICE DTC Logic ............................................................ 139
.
(ASCD) .............................................................. 57
. Diagnosis Procedure ............................................ 140 .
System Diagram .................................................... 57
. Component Inspection ......................................... 141 .
System Description ................................................ 57
.
Component Parts Location .................................... 58. P0014, P0024 EVT CONTROL ........................ 143
.
Component Description ........................................ 65
. DTC Logic ............................................................ 143
.
Diagnosis Procedure ............................................ 144 .
CAN COMMUNICATION .................................. 66
. Component Inspection ......................................... 145 .
System Description ................................................ 66
.
P0031, P0032, P0051, P0052 A/F SENSOR 1
COOLING FAN CONTROL .............................. 67
. HEATER .......................................................... 147
.
System Diagram .................................................... 67
. Description ........................................................... 147
.
System Description ................................................ 67
. DTC Logic ............................................................ 147
.
Component Parts Location .................................... 67. Diagnosis Procedure ............................................ 147 .
Component Description ......................................... 74
. Component Inspection ......................................... 149 .
EVAPORATIVE EMISSION SYSTEM .............. 75
. P0037, P0038, P0057, P0058 HO2S2 HEAT-
System Diagram .................................................... 75
. ER .................................................................... 150
.
System Description ................................................ 76
. Description ........................................................... 150
.
Component Parts Location .................................... 77. DTC Logic ............................................................ 150
.
Component Description ........................................ 84
. Diagnosis Procedure ............................................ 151 .
Component Inspection ......................................... 152 .
EXHAUST VALVE TIMING CONTROL ............ 85
.
System Diagram .................................................... 85
. P0075, P0081 IVT CONTROL SOLENOID
System Description ................................................ 85
. VALVE ............................................................. 153
.
Component Parts Location .................................... 85. Description ........................................................... 153
.
Component Description ......................................... 92
. DTC Logic ............................................................ 153
.
Diagnosis Procedure ............................................ 153 .
INTAKE VALVE TIMING CONTROL ................ 93
. Component Inspection ......................................... 154 .
System Diagram .................................................... 93
.
System Description ................................................ 93
. P0078, P0084 EVT CONTROL MAGNET RE-
Component Parts Location .................................... 93. TARDER .......................................................... 156
.
Component Description ........................................100
. Description ........................................................... 156
.
DTC Logic ............................................................ 156
.
ON BOARD DIAGNOSTIC (OBD) SYSTEM .. 101
.
Diagnosis Procedure ............................................ 156 .
Diagnosis Description ...........................................101
.
Component Inspection ......................................... 157 .
CONSULT-III Function .........................................113
.
Diagnosis Tool Function .....................................122
. P0101, P010B MAF SENSOR ......................... 159
.
Description ........................................................... 159
.
COMPONENT DIAGNOSIS ...................... 125
. DTC Logic ............................................................ 159
.
TROUBLE DIAGNOSIS - SPECIFICATION Component Function Check ................................ 161 .
VALUE ............................................................ 125
. Diagnosis Procedure ............................................ 161 .
Component Inspection ......................................... 163 .
Description ............................................................125
.
Component Function Check .................................125 . P0102, P0103, P010C, P010D MAF SENSOR.. 166
Diagnosis Procedure ............................................125 . Description ........................................................... 166
.
POWER SUPPLY AND GROUND CIRCUIT .. 133
. DTC Logic ............................................................ 166
.
Diagnosis Procedure ............................................ 167 .
Diagnosis Procedure ............................................133
.
Component Inspection ......................................... 168 .
U1000, U1001 CAN COMM CIRCUIT ............ 137
.
Description ............................................................137
.
P0112, P0113 IAT SENSOR ........................... 171
.
Description ........................................................... 171
.
DTC Logic .............................................................137
.
DTC Logic ............................................................ 171
.
Revision: October 2006 EC-2 2007 G35 Sedan
Diagnosis Procedure ............................................ 171
. P0138, P0158 HO2S2 ..................................... 208
Component Inspection ......................................... 172
. Description ............................................................ 208
. A
DTC Logic ............................................................. 208
.
P0117, P0118 ECT SENSOR .......................... 174
. Component Function Check ................................. 210 .
Description ........................................................... 174
. Diagnosis Procedure ............................................ 210 .
DTC Logic ............................................................ 174
. EC
Component Inspection .......................................... 213 .
Diagnosis Procedure ............................................ 175 .
Component Inspection ......................................... 175 . P0139, P0159 HO2S2 ..................................... 216
Description ............................................................ 216
. C
P0122, P0123, P0227, P0228 TP SENSOR .... 177
. DTC Logic ............................................................. 216
.
Description ........................................................... 177
. Component Function Check ................................. 217 .
DTC Logic ............................................................ 177
. Diagnosis Procedure ............................................ 218 . D
Diagnosis Procedure ............................................ 177 . Component Inspection .......................................... 219 .
Component Inspection ......................................... 179 .
Special Repair Requirement ................................ 179 . P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION ...................................................... 222 E
P0125 ECT SENSOR ...................................... 180
. DTC Logic ............................................................. 222
.
Description ........................................................... 180
.
Diagnosis Procedure ............................................ 223 .
DTC Logic ............................................................ 180
. F
Diagnosis Procedure ............................................ 181 . P0172, P0175 FUEL INJECTION SYSTEM
Component Inspection ......................................... 181 . FUNCTION ...................................................... 226
DTC Logic ............................................................. 226
.
P0127 IAT SENSOR ........................................ 183
. G
Diagnosis Procedure ............................................ 227 .
Description ........................................................... 183
.
DTC Logic ............................................................ 183
. P0181 FTT SENSOR ....................................... 230
Diagnosis Procedure ............................................ 184 . Description ............................................................ 230
. H
Component Inspection ......................................... 184 . DTC Logic ............................................................. 230
.
Diagnosis Procedure ............................................ 231 .
P0128 THERMOSTAT FUNCTION ................. 185
.
Component Inspection .......................................... 232 . I
DTC Logic ............................................................ 185
.
Diagnosis Procedure ............................................ 185. P0182, P0183 FTT SENSOR .......................... 233
Component Inspection ......................................... 185 . Description ............................................................ 233
.
DTC Logic ............................................................. 233
. J
P0130, P0150 A/F SENSOR 1 ........................ 187
.
Diagnosis Procedure ............................................ 233 .
Description ........................................................... 187
.
Component Inspection .......................................... 235 .
DTC Logic ............................................................ 187
.
Component Function Check ................................. 188 . K
P0196 EOT SENSOR ...................................... 236
Diagnosis Procedure ............................................ 189 . Description ............................................................ 236
.
DTC Logic ............................................................. 236
.
P0131, P0151 A/F SENSOR 1 ........................ 191
. L
Diagnosis Procedure ............................................ 237 .
Description ........................................................... 191
.
Component Inspection .......................................... 238 .
DTC Logic ............................................................ 191
.
Diagnosis Procedure ............................................ 192 . P0197, P0198 EOT SENSOR ......................... 239 M
Description ............................................................ 239
.
P0132, P0152 A/F SENSOR 1 ........................ 194
.
DTC Logic ............................................................. 239
.
Description ........................................................... 194
.
Diagnosis Procedure ............................................ 240 .
DTC Logic ............................................................ 194
. N
Component Inspection .......................................... 240 .
Diagnosis Procedure ............................................ 195 .
P0222, P0223, P2132, P2133 TP SENSOR ... 242
P0133, P0153 A/F SENSOR 1 ........................ 197
.
Description ............................................................ 242
. O
Description ........................................................... 197
.
DTC Logic ............................................................. 242
.
DTC Logic ............................................................ 197
.
Diagnosis Procedure ............................................ 242 .
Diagnosis Procedure ............................................ 199 .
Component Inspection .......................................... 244 .
P
P0137, P0157 HO2S2 ..................................... 202
. Special Repair Requirement ................................. 244 .
Description ........................................................... 202
.
P0300, P0301, P0302, P0303, P0304, P0305,
DTC Logic ............................................................ 202
.
Component Function Check ................................. 203 .
P0306 MISFIRE ............................................... 245
DTC Logic ............................................................. 245
.
Diagnosis Procedure ............................................ 204 .
Diagnosis Procedure ............................................ 246 .
Component Inspection ......................................... 205 .
P0327, P0328, P0332, P0333 KS ................... 251
Revision: October 2006 EC-3 2007 G35 Sedan
Description ............................................................251
. P0451 EVAP CONTROL SYSTEM PRES-
DTC Logic .............................................................251
. SURE SENSOR ............................................... 296
.
Diagnosis Procedure ............................................251 . Description ........................................................... 296
.
Component Inspection ..........................................252 . DTC Logic ............................................................ 296
.
Diagnosis Procedure ............................................ 297 .
P0335 CKP SENSOR (POS) .......................... 254
. Component Inspection ......................................... 298 .
Description ............................................................254
.
DTC Logic .............................................................254
. P0452 EVAP CONTROL SYSTEM PRES-
Diagnosis Procedure ............................................255 . SURE SENSOR ............................................... 299
.
Component Inspection ..........................................257 . Description ........................................................... 299
.
DTC Logic ............................................................ 299
.
P0340, P0345 CMP SENSOR (PHASE) ......... 258
.
Diagnosis Procedure ............................................ 300 .
Description ............................................................258
.
Component Inspection ......................................... 303 .
DTC Logic .............................................................258
.
Diagnosis Procedure ............................................260 . P0453 EVAP CONTROL SYSTEM PRES-
Component Inspection ..........................................262 . SURE SENSOR ............................................... 304
.
P0420, P0430 THREE WAY CATALYST Description ........................................................... 304
.
DTC Logic ............................................................ 304
.
FUNCTION ...................................................... 264
.
Diagnosis Procedure ............................................ 305 .
DTC Logic .............................................................264
.
Component Inspection ......................................... 308 .
Component Function Check .................................265 .
Diagnosis Procedure ............................................266 . P0455 EVAP CONTROL SYSTEM ................. 310
.
DTC Logic ............................................................ 310
.
P0441 EVAP CONTROL SYSTEM ................. 269
.
Diagnosis Procedure ............................................ 311 .
DTC Logic .............................................................269
.
Component Inspection ......................................... 314 .
Component Function Check .................................270 .
Diagnosis Procedure ............................................271 . P0456 EVAP CONTROL SYSTEM ................. 316
.
DTC Logic ............................................................ 316
.
P0442 EVAP CONTROL SYSTEM ................. 274
.
Component Function Check ................................ 318 .
DTC Logic .............................................................274
.
Diagnosis Procedure ............................................ 318 .
Diagnosis Procedure ............................................275 .
Component Inspection ......................................... 321 .
Component Inspection ..........................................279 .
P0460 FUEL LEVEL SENSOR ........................ 323
.
P0443 EVAP CANISTER PURGE VOLUME
Description ........................................................... 323
.
CONTROL SOLENOID VALVE ...................... 280
. DTC Logic ............................................................ 323
.
Description ............................................................280
.
Diagnosis Procedure ............................................ 323 .
DTC Logic .............................................................280
.
Diagnosis Procedure ............................................281 . P0461 FUEL LEVEL SENSOR ........................ 324
.
Component Inspection ..........................................283 . Description ........................................................... 324
.
DTC Logic ............................................................ 324
.
P0444, P0445 EVAP CANISTER PURGE Component Function Check ................................ 324 .
VOLUME CONTROL SOLENOID VALVE ..... 285
. Diagnosis Procedure ............................................ 325 .
Description ............................................................285
.
DTC Logic .............................................................285
. P0462, P0463 FUEL LEVEL SENSOR ........... 326
.
Diagnosis Procedure ............................................285 . Description ........................................................... 326
.
Component Inspection ..........................................287 . DTC Logic ............................................................ 326
.
Diagnosis Procedure ............................................ 326 .
P0447 EVAP CANISTER VENT CONTROL
VALVE ............................................................ 288
. P0500 VSS ....................................................... 328
.
Description ............................................................288
. Description ........................................................... 328
.
DTC Logic .............................................................288
. DTC Logic ............................................................ 328
.
Diagnosis Procedure ............................................288 . Component Function Check ................................ 329 .
Component Inspection ..........................................290 . Diagnosis Procedure ............................................ 329 .
P0448 EVAP CANISTER VENT CONTROL P0506 ISC SYSTEM ........................................ 330
.
VALVE ............................................................ 292
. Description ........................................................... 330
.
Description ............................................................292
. DTC Logic ............................................................ 330
.
DTC Logic .............................................................292
. Diagnosis Procedure ............................................ 330 .
Diagnosis Procedure ............................................293 .
Component Inspection ..........................................294 . P0507 ISC SYSTEM ........................................ 332
.
Description ........................................................... 332
.
Revision: October 2006 EC-4 2007 G35 Sedan
DTC Logic ............................................................ 332
. DTC Logic ............................................................. 360
.
Diagnosis Procedure ............................................ 332. Diagnosis Procedure ............................................ 360 . A
Special Repair Requirement ................................. 361 .
P0550 PSP SENSOR ...................................... 334
.
Description ........................................................... 334
. P1233, P2101 ELECTRIC THROTTLE CON-
DTC Logic ............................................................ 334
. TROL FUNCTION ........................................... 362 EC
Diagnosis Procedure ............................................ 334 . Description ............................................................ 362
.
Component Inspection ......................................... 335 . DTC Logic ............................................................. 362
.
Diagnosis Procedure ............................................ 362 . C
P0603 ECM POWER SUPPLY ........................ 336
. Component Inspection .......................................... 365 .
Description ........................................................... 336
. Special Repair Requirement ................................. 365 .
DTC Logic ............................................................ 336
.
D
Diagnosis Procedure ............................................ 336 . P1236, P2118 THROTTLE CONTROL MO-
TOR ................................................................. 366
P0605 ECM ...................................................... 338
. Description ............................................................ 366
.
Description ........................................................... 338
. E
DTC Logic ............................................................. 366
.
DTC Logic ............................................................ 338
.
Diagnosis Procedure ............................................ 366 .
Diagnosis Procedure ............................................ 339 .
Component Inspection .......................................... 367 .
P0643 SENSOR POWER SUPPLY ................ 340
. Special Repair Requirement ................................. 367 . F
DTC Logic ............................................................ 340
. P1238, P2119 ELECTRIC THROTTLE CON-
Diagnosis Procedure ............................................ 340.
TROL ACTUATOR .......................................... 369
G
P0850 PNP SWITCH ....................................... 342
. Description ............................................................ 369
.
Description ........................................................... 342
. DTC Logic ............................................................. 369
.
DTC Logic ............................................................ 342
. Diagnosis Procedure ............................................ 370 .
Special Repair Requirement ................................. 370 . H
Component Function Check ................................. 343 .
Diagnosis Procedure ............................................ 343 .
P1239, P2135 TP SENSOR ............................ 371
P1078, P1084 EVT CONTROL POSITION Description ............................................................ 371
. I
SENSOR .......................................................... 346
. DTC Logic ............................................................. 371
.
Description ........................................................... 346
. Diagnosis Procedure ............................................ 371 .
DTC Logic ............................................................ 346
. Component Inspection .......................................... 373 .
J
Diagnosis Procedure ............................................ 347 . Special Repair Requirement ................................. 373 .
Component Inspection ......................................... 350 . P1290, P2100, P2103 THROTTLE CONTROL
P1148, P1168 CLOSED LOOP CONTROL .... 351
. MOTOR RELAY .............................................. 374 K
DTC Logic ............................................................ 351
. Description ............................................................ 374
.
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