Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2006-2009 Approved TB Nissan Altima 2008 EC
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ENGINE
A
ENGINE CONTROL SYSTEM
SECTION EC EC
C
D
E
CONTENTS
QR25DE FOR CALIFORNIA THROTTLE VALVE CLOSED POSITION F
LEARNING : Description ........................................29
.
BASIC INSPECTION .................................. 20
. THROTTLE VALVE CLOSED POSITION
LEARNING : Special Repair Requirement .............29 . G
DIAGNOSIS AND REPAIR WORKFLOW ........20
.
Work Flow .............................................................. 20
. IDLE AIR VOLUME LEARNING ...............................29 .
Diagnostic Work Sheet ........................................... 22. IDLE AIR VOLUME LEARNING : Description ........30 .
IDLE AIR VOLUME LEARNING : Special Repair H
INSPECTION AND ADJUSTMENT ...................24
. Requirement ...........................................................30
.
BASIC INSPECTION ................................................ 24 . MIXTURE RATIO SELF-LEARNING VALUE
BASIC INSPECTION : Special Repair Require- I
CLEAR ......................................................................31
.
ment ....................................................................... 24
. MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Description ...............................................31 .
ADDITIONAL SERVICE WHEN REPLACING J
MIXTURE RATIO SELF-LEARNING VALUE
CONTROL UNIT ....................................................... 27
.
CLEAR : Special Repair Requirement ....................32 .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ............................... 27 . FUNCTION DIAGNOSIS ............................. 33
.
ADDITIONAL SERVICE WHEN REPLACING K
CONTROL UNIT : Special Repair Requirement .... 27 ENGINE CONTROL SYSTEM .......................... 33
System Diagram ....................................................33
.
IDLE SPEED ............................................................. 28
. L
System Description .................................................34
.
IDLE SPEED : Description ..................................... 28 .
Component Parts Location ...................................34 .
IDLE SPEED : Special Repair Requirement .......... 28 .
Component Description ..........................................39
.
IGNITION TIMING ..................................................... 28
. M
MULTIPORT FUEL INJECTION SYSTEM ....... 41
IGNITION TIMING : Description ............................. 28 .
System Diagram ....................................................41
.
IGNITION TIMING : Special Repair Requirement 28 ....
System Description .................................................41
.
Component Parts Location ...................................44 . N
VIN REGISTRATION ................................................ 28 .
VIN REGISTRATION : Description ........................ 28 . Component Description ..........................................49
.
VIN REGISTRATION : Special Repair Require-
ment ....................................................................... 29
.
ELECTRIC IGNITION SYSTEM ........................ 51 O
System Diagram ....................................................51
.
ACCELERATOR PEDAL RELEASED POSITION System Description .................................................51
.
LEARNING ............................................................... 29
. Component Parts Location ...................................52 .
Component Description ..........................................57
. P
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Description ........................................ 29 .
ACCELERATOR PEDAL RELEASED POSITION AIR CONDITIONING CUT CONTROL .............. 59
LEARNING : Special Repair Requirement ............. 29 . System Diagram .....................................................59
.
System Description .................................................59
.
THROTTLE VALVE CLOSED POSITION LEARN- Component Parts Location ...................................60 .
ING ............................................................................ 29
. Component Description ..........................................65
.
Revision: July 2007 EC-1 2008 Altima
AUTOMATIC SPEED CONTROL DEVICE DTC Logic ............................................................ 150
.
(ASCD) .............................................................. 67
. Diagnosis Procedure ............................................ 151 .
System Diagram .................................................... 67
. Component Inspection ......................................... 152 .
System Description ................................................ 67
.
Component Parts Location .................................. 69 .
P0031, P0032 A/F SENSOR 1 HEATER ......... 154
.
Description ........................................................... 154
.
Component Description ........................................ 74
.
DTC Logic ............................................................ 154
.
CAN COMMUNICATION .................................. 76
. Diagnosis Procedure ............................................ 154 .
System Description ................................................ 76
. Component Inspection ......................................... 155 .
COOLING FAN CONTROL .............................. 77
. P0037, P0038 HO2S2 HEATER ...................... 157
.
System Diagram .................................................... 77
. Description ........................................................... 157
.
System Description ................................................ 77
. DTC Logic ............................................................ 157
.
Component Parts Location .................................. 79 . Diagnosis Procedure ............................................ 158 .
Component Description ......................................... 84
. Component Inspection ......................................... 159 .
EVAPORATIVE EMISSION SYSTEM .............. 86
. P0043, P0044 HO2S3 HEATER ...................... 160
.
System Diagram .................................................... 86
. Description ........................................................... 160
.
System Description ................................................ 88
. DTC Logic ............................................................ 160
.
Component Parts Location .................................. 90 . Diagnosis Procedure ............................................ 161 .
Component Description ........................................ 95
. Component Inspection ......................................... 162 .
INTAKE VALVE TIMING CONTROL ................ 97
. P0075 IVT CONTROL SOLENOID VALVE ..... 163
.
System Diagram .................................................... 97
. Description ........................................................... 163
.
System Description ................................................ 97
. DTC Logic ............................................................ 163
.
Component Parts Location .................................. 98 . Diagnosis Procedure ............................................ 163 .
Component Description ........................................103
. Component Inspection ......................................... 164 .
TUMBLE CONTROL VALVE CONTROL ....... 105
. P0101 MAF SENSOR ...................................... 165
.
System Diagram ...................................................105
. Description ........................................................... 165
.
System Description ...............................................105
. DTC Logic ............................................................ 165
.
Component Parts Location .................................106 . Component Function Check ................................ 166 .
Component Description ........................................111
. Diagnosis Procedure ............................................ 167 .
Component Inspection ......................................... 168 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM .. 112
.
Diagnosis Description ...........................................112
. P0102, P0103 MAF SENSOR ......................... 171
.
CONSULT-III Function .........................................125
. Description ........................................................... 171
.
Diagnosis Tool Function .....................................134
. DTC Logic ............................................................ 171
.
Diagnosis Procedure ............................................ 172 .
COMPONENT DIAGNOSIS ...................... 136
. Component Inspection ......................................... 173 .
TROUBLE DIAGNOSIS - SPECIFICATION P0112, P0113 IAT SENSOR ........................... 176
.
VALUE ............................................................ 136
. Description ........................................................... 176
.
Description ............................................................136
. DTC Logic ............................................................ 176
.
Component Function Check .................................136 . Diagnosis Procedure ............................................ 177 .
Diagnosis Procedure ............................................137 . Component Inspection ......................................... 177 .
POWER SUPPLY AND GROUND CIRCUIT .. 144
. P0117, P0118 ECT SENSOR .......................... 179
.
Diagnosis Procedure ............................................144
. Description ........................................................... 179
.
DTC Logic ............................................................ 179
.
U1000, U1001 CAN COMM CIRCUIT ............ 148
. Diagnosis Procedure ............................................ 180 .
Description ............................................................148
. Component Inspection ......................................... 180 .
DTC Logic .............................................................148
.
Diagnosis Procedure ............................................148 . P0122, P0123 TP SENSOR ............................. 182
.
Description ........................................................... 182
.
U1010 CONTROL UNIT (CAN) ...................... 149
. DTC Logic ............................................................ 182
.
Description ............................................................149
. Diagnosis Procedure ............................................ 182 .
DTC Logic .............................................................149
. Component Inspection ......................................... 184 .
Diagnosis Procedure ............................................149 . Special Repair Requirement ................................ 184 .
P0011 IVT CONTROL ..................................... 150
. P0125 ECT SENSOR .....................................
Revision: July 2007 EC-2 2008 Altima
Description ........................................................... 185
. Diagnosis Procedure ............................................ 227
.
DTC Logic ............................................................ 185
. Component Inspection .......................................... 228
. A
Diagnosis Procedure ............................................ 186 .
Component Inspection ......................................... 186 . P0144 HO2S3 .................................................. 231
Description ............................................................ 231
.
P0127 IAT SENSOR ........................................ 188
. DTC Logic ............................................................. 231
. EC
Description ........................................................... 188
. Diagnosis Procedure ............................................ 232 .
DTC Logic ............................................................ 188
. Component Inspection .......................................... 234 .
Diagnosis Procedure ............................................ 189 . C
Component Inspection ......................................... 189 . P0145 HO2S3 .................................................. 236
Description ............................................................ 236
.
P0128 THERMOSTAT FUNCTION ................. 190
. DTC Logic ............................................................. 236
.
D
DTC Logic ............................................................ 190
. Diagnosis Procedure ............................................ 237 .
Diagnosis Procedure ............................................ 190. Component Inspection .......................................... 239 .
Component Inspection ......................................... 191 .
P0146 HO2S3 .................................................. 241 E
P0130 A/F SENSOR 1 ..................................... 192
. Description ............................................................ 241
.
Description ........................................................... 192
. DTC Logic ............................................................. 241
.
DTC Logic ............................................................ 192
. Diagnosis Procedure ............................................ 242 . F
Component Function Check ................................. 193 . Component Inspection .......................................... 243 .
Diagnosis Procedure ............................................ 194 .
P0171 FUEL INJECTION SYSTEM FUNC-
P0131 A/F SENSOR 1 ..................................... 196
. TION ................................................................ 246 G
Description ........................................................... 196
. DTC Logic ............................................................. 246
.
DTC Logic ............................................................ 196
. Diagnosis Procedure ............................................ 247 .
Diagnosis Procedure ............................................ 197 . H
P0172 FUEL INJECTION SYSTEM FUNC-
P0132 A/F SENSOR 1 ..................................... 199
. TION ................................................................ 250
Description ........................................................... 199
. DTC Logic ............................................................. 250
.
DTC Logic ............................................................ 199
. Diagnosis Procedure ............................................ 251 . I
Diagnosis Procedure ............................................ 200 .
P0181 FTT SENSOR ....................................... 254
P0133 A/F SENSOR 1 ..................................... 202
. Description ............................................................ 254
. J
Description ........................................................... 202
. DTC Logic ............................................................. 254
.
DTC Logic ............................................................ 202
. Diagnosis Procedure ............................................ 255 .
Diagnosis Procedure ............................................ 204 . Component Inspection .......................................... 256 .
K
P0137 HO2S2 .................................................. 207
. P0182, P0183 FTT SENSOR .......................... 257
Description ........................................................... 207
. Description ............................................................ 257
.
DTC Logic ............................................................ 207
. DTC Logic ............................................................. 257
. L
Component Function Check ................................. 208 . Diagnosis Procedure ............................................ 257 .
Diagnosis Procedure ............................................ 209 . Component Inspection .......................................... 258 .
Component Inspection ......................................... 210 .
P0222, P0223 TP SENSOR ............................ 260 M
P0138 HO2S2 .................................................. 213
. Description ............................................................ 260
.
Description ........................................................... 213
. DTC Logic ............................................................. 260
.
DTC Logic ............................................................ 213
. Diagnosis Procedure ............................................ 261 . N
Component Function Check ................................. 214 . Component Inspection .......................................... 262 .
Diagnosis Procedure ............................................ 215 . Special Repair Requirement ................................. 262 .
Component Inspection ......................................... 218 . O
P0300, P0301, P0302, P0303, P0304 MIS-
P0139 HO2S2 .................................................. 220
. FIRE ................................................................. 263
Description ........................................................... 220
. DTC Logic ............................................................. 263
.
DTC Logic ............................................................ 220
. Diagnosis Procedure ............................................ 264 . P
Component Function Check ................................. 221 .
Diagnosis Procedure ............................................ 222 . P0327, P0328 KS ............................................ 268
Component Inspection ......................................... 223 . Description ............................................................ 268
.
DTC Logic ............................................................. 268
.
P0143 HO2S3 .................................................. 226
. Diagnosis Procedure ............................................ 268 .
Description ........................................................... 226
. Component Inspection .......................................... 269 .
DTC Logic ............................................................ 226
.
Revision: July 2007 EC-3 2008 Altima
P0335 CKP SENSOR (POS) .......................... 270
. Component Inspection ......................................... 311
.
Description ............................................................270
.
DTC Logic .............................................................270
. P0452 EVAP CONTROL SYSTEM PRES-
Diagnosis Procedure ............................................271 . SURE SENSOR ............................................... 312
.
Component Inspection ..........................................273 . Description ........................................................... 312
.
DTC Logic ............................................................ 312
.
P0340 CMP SENSOR (PHASE) ..................... 274
. Diagnosis Procedure ............................................ 313 .
Description ............................................................274
. Component Inspection ......................................... 315 .
DTC Logic .............................................................274
.
Diagnosis Procedure ............................................275 . P0453 EVAP CONTROL SYSTEM PRES-
Component Inspection ..........................................276 . SURE SENSOR ............................................... 317
.
Description ........................................................... 317
.
P0420 THREE WAY CATALYST FUNCTION . 278 DTC Logic ............................................................ 317
.
DTC Logic .............................................................278
. Diagnosis Procedure ............................................ 318 .
Component Function Check .................................279 . Component Inspection ......................................... 321 .
Diagnosis Procedure ............................................279 .
P0455 EVAP CONTROL SYSTEM ................. 323
.
P0441 EVAP CONTROL SYSTEM ................. 283
. DTC Logic ............................................................ 323
.
DTC Logic .............................................................283
. Diagnosis Procedure ............................................ 324 .
Component Function Check .................................284 . Component Inspection ......................................... 327 .
Diagnosis Procedure ............................................285 .
P0456 EVAP CONTROL SYSTEM ................. 329
.
P0442 EVAP CONTROL SYSTEM ................. 288
. DTC Logic ............................................................ 329
.
DTC Logic .............................................................288
. Component Function Check ................................ 331 .
Diagnosis Procedure ............................................289 . Diagnosis Procedure ............................................ 331 .
Component Inspection ..........................................293 . Component Inspection ......................................... 334 .
P0443 EVAP CANISTER PURGE VOLUME P0460 FUEL LEVEL SENSOR ........................ 336
.
CONTROL SOLENOID VALVE ...................... 294
. Description ........................................................... 336
.
Description ............................................................294
. DTC Logic ............................................................ 336
.
DTC Logic .............................................................294
. Diagnosis Procedure ............................................ 336 .
Diagnosis Procedure ............................................295 .
Component Inspection ..........................................297 . P0461 FUEL LEVEL SENSOR ........................ 338
.
Description ........................................................... 338
.
P0444, P0445 EVAP CANISTER PURGE DTC Logic ............................................................ 338
.
VOLUME CONTROL SOLENOID VALVE ..... 298
. Component Function Check ................................ 338 .
Description ............................................................298
. Diagnosis Procedure ............................................ 339 .
DTC Logic .............................................................298
.
Diagnosis Procedure ............................................298 . P0462, P0463 FUEL LEVEL SENSOR ........... 340
.
Component Inspection ..........................................300 . Description ........................................................... 340
.
DTC Logic ............................................................ 340
.
P0447 EVAP CANISTER VENT CONTROL Diagnosis Procedure ............................................ 340 .
VALVE ............................................................ 301
.
Description ............................................................301
.
P0500 VSS ....................................................... 342
.
Description ........................................................... 342
.
DTC Logic .............................................................301
.
DTC Logic ............................................................ 342
.
Diagnosis Procedure ............................................301 .
Component Function Check ................................ 343 .
Component Inspection ..........................................303 .
Diagnosis Procedure ............................................ 343 .
P0448 EVAP CANISTER VENT CONTROL
P0506 ISC SYSTEM ........................................ 344
.
VALVE ............................................................ 305
.
Description ........................................................... 344
.
Description ............................................................305
.
DTC Logic ............................................................ 344
.
DTC Logic .............................................................305
.
Diagnosis Procedure ............................................ 344 .
Diagnosis Procedure ............................................306 .
Component Inspection ..........................................307 . P0507 ISC SYSTEM ........................................ 346
.
Description ........................................................... 346
.
P0451 EVAP CONTROL SYSTEM PRES-
DTC Logic ............................................................ 346
.
SURE SENSOR .............................................. 309
. Diagnosis Procedure ............................................ 346 .
Description ............................................................309
.
DTC Logic .............................................................309
. P0550 PSP SENSOR ...................................... 348
.
Diagnosis Procedure ............................................309 . Description ...........................................................
Revision: July 2007 EC-4 2008 Altima
DTC Logic ............................................................ 348
. Description ............................................................ 374
.
Diagnosis Procedure ............................................ 348. DTC Logic ............................................................. 374
. A
Component Inspection ......................................... 349 . Diagnosis Procedure ............................................ 374 .
Component Inspection .......................................... 375 .
P0603 ECM POWER SUPPLY ........................ 350
.
Description ........................................................... 350
. P1553 BATTERY CURRENT SENSOR .......... 377 EC
DTC Logic ............................................................ 350
. Description ............................................................ 377
.
Diagnosis Procedure ............................................ 350 . DTC Logic ............................................................. 377
.
Diagnosis Procedure ............................................ 377 . C
P0605 ECM ...................................................... 352
. Component Inspection .......................................... 378 .
Description ........................................................... 352
.
DTC Logic ............................................................ 352
. P1554 BATTERY CURRENT SENSOR .......... 380
D
Diagnosis Procedure ............................................ 353 . Description ............................................................ 380
.
DTC Logic ............................................................. 380
.
P0607 ECM ...................................................... 354
. Component Function Check ................................. 380 .
Description ........................................................... 354
. Diagnosis Procedure ............................................ 381 . E
DTC Logic ............................................................ 354
. Component Inspection .......................................... 382 .
Diagnosis Procedure ............................................ 354 .
P1564 ASCD STEERING SWITCH ................. 383 F
P0643 SENSOR POWER SUPPLY ................ 355
. Description ............................................................ 383
.
DTC Logic ............................................................ 355
. DTC Logic ............................................................. 383
.
Diagnosis Procedure ............................................ 355. Diagnosis Procedure ............................................ 383 .
Component Inspection .......................................... 385 . G
P0850 PNP SWITCH ....................................... 357
.
Description ........................................................... 357
. P1572 ASCD BRAKE SWITCH ...................... 386
DTC Logic ............................................................ 357
. Description ............................................................ 386
. H
Component Function Check ................................. 358 . DTC Logic ............................................................. 386
.
Diagnosis Procedure ............................................ 358 . Diagnosis Procedure ............................................ 387 .
Component Inspection (ASCD Brake Switch) ...... 391 .
P1148 CLOSED LOOP CONTROL ................. 360
. I
Component Inspection (ASCD Clutch Switch) ..... 392 .
DTC Logic ............................................................ 360
.
Component Inspection (Stop Lamp Switch) ......... 392 .
P1217 ENGINE OVER TEMPERATURE ........ 361
.
P1574 ASCD VEHICLE SPEED SENSOR ..... 393 J
DTC Logic ............................................................ 361
.
Description ............................................................ 393
.
Component Function Check ................................. 361 .
DTC Logic ............................................................. 393
.
Diagnosis Procedure ............................................ 362.
Diagnosis Procedure ............................................ 393 . K
P1225 TP SENSOR ......................................... 365
.
P1715 INPUT SPEED SENSOR (PRIMARY
Description ........................................................... 365
.
DTC Logic ............................................................ 365
.
SPEED SENSOR) ........................................... 395
Description ............................................................ 395
. L
Diagnosis Procedure ............................................ 365 .
Special Repair Requirement ................................ 366 . DTC Logic ..................◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo