Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2006-2009 Approved TB Nissan Altima 2009 EC
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ENGINE
EC
A
EC
SECTION
ENGINE CONTROL SYSTEM 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 WORK FLOW .......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 2008 EC-1 2009 Altima
AUTOMATIC SPEED CONTROL DEVICE Description ........................................................... 150
.
(ASCD) .............................................................. 67
. DTC Logic ............................................................ 150
.
System Diagram .................................................... 67
. Diagnosis Procedure ............................................ 150 .
System Description ................................................ 67
.
Component Parts Location .................................. 69 .
P0011 IVT CONTROL ..................................... 151
.
DTC Logic ............................................................ 151
.
Component Description ........................................ 74
.
Diagnosis Procedure ............................................ 152 .
CAN COMMUNICATION .................................. 76
. Component Inspection ......................................... 153 .
System Description ................................................ 76
.
P0031, P0032 A/F SENSOR 1 HEATER ......... 155
.
COOLING FAN CONTROL .............................. 77
. Description ........................................................... 155
.
System Diagram .................................................... 77
. DTC Logic ............................................................ 155
.
System Description ................................................ 77
. Diagnosis Procedure ............................................ 155 .
Component Parts Location .................................. 79 . Component Inspection ......................................... 157 .
Component Description ......................................... 84
.
P0037, P0038 HO2S2 HEATER ...................... 158
.
EVAPORATIVE EMISSION SYSTEM .............. 86
. Description ........................................................... 158
.
System Diagram .................................................... 86
. DTC Logic ............................................................ 158
.
System Description ................................................ 88
. Diagnosis Procedure ............................................ 159 .
Component Parts Location .................................. 90 . Component Inspection ......................................... 160 .
Component Description ........................................ 95
.
P0043, P0044 HO2S3 HEATER ...................... 161
.
INTAKE VALVE TIMING CONTROL ................ 97
. Description ........................................................... 161
.
System Diagram .................................................... 97
. DTC Logic ............................................................ 161
.
System Description ................................................ 97
. Diagnosis Procedure ............................................ 162 .
Component Parts Location .................................. 98 . Component Inspection ......................................... 163 .
Component Description ........................................103
.
P0075 IVT CONTROL SOLENOID VALVE ..... 165
.
TUMBLE CONTROL VALVE CONTROL ....... 105
. Description ........................................................... 165
.
System Diagram ...................................................105
. DTC Logic ............................................................ 165
.
System Description ...............................................105
. Diagnosis Procedure ............................................ 165 .
Component Parts Location .................................106 . Component Inspection ......................................... 166 .
Component Description ........................................111
.
P0101 MAF SENSOR ...................................... 168
.
ON BOARD DIAGNOSTIC (OBD) SYSTEM .. 112
. Description ........................................................... 168
.
Diagnosis Description ...........................................112
. DTC Logic ............................................................ 168
.
CONSULT-III Function .........................................125
. Component Function Check ................................ 169 .
Diagnosis Tool Function .....................................134
. Diagnosis Procedure ............................................ 170 .
Component Inspection ......................................... 171 .
COMPONENT DIAGNOSIS ...................... 136
.
P0102, P0103 MAF SENSOR ......................... 175
.
TROUBLE DIAGNOSIS - SPECIFICATION Description ........................................................... 175
.
VALUE ............................................................ 136
. DTC Logic ............................................................ 175
.
Description ............................................................136
. Diagnosis Procedure ............................................ 176 .
Component Function Check .................................136 . Component Inspection ......................................... 177 .
Diagnosis Procedure ............................................137 .
P0112, P0113 IAT SENSOR ........................... 181
.
POWER SUPPLY AND GROUND CIRCUIT .. 144
. Description ........................................................... 181
.
Diagnosis Procedure ............................................144
. DTC Logic ............................................................ 181
.
Diagnosis Procedure ............................................ 182 .
U0101 CAN COMM CIRCUIT ......................... 148
. Component Inspection ......................................... 182 .
Description ............................................................148
.
DTC Logic .............................................................148
. P0116 ECT SENSOR ...................................... 184
.
Diagnosis Procedure ............................................148 . Description ........................................................... 184
.
DTC Logic ............................................................ 184
.
U0140 CAN COMM CIRCUIT ......................... 149
. Diagnosis Procedure ............................................ 185 .
Description ............................................................149
. Component Inspection ......................................... 185 .
DTC Logic .............................................................149
.
Diagnosis Procedure ............................................149 . P0117, P0118 ECT SENSOR .......................... 186
.
Description ........................................................... 186
.
U1001 CAN COMM CIRCUIT ......................... 150
. DTC Logic ............................................................ 186
.
Revision: July 2008 EC-2 2009 Altima
Diagnosis Procedure ............................................ 187
. P0139 HO2S2 .................................................. 228
Component Inspection ......................................... 187
. Description ............................................................ 228
. A
DTC Logic ............................................................. 228
.
P0122, P0123 TP SENSOR ............................ 189
. Component Function Check ................................. 229 .
Description ........................................................... 189
. Diagnosis Procedure ............................................ 230 .
DTC Logic ............................................................ 189
. EC
Component Inspection .......................................... 231 .
Diagnosis Procedure ............................................ 189 .
Component Inspection ......................................... 191 . P0143 HO2S3 .................................................. 234
Special Repair Requirement ................................ 191 . Description ............................................................ 234
. C
DTC Logic ............................................................. 234
.
P0125 ECT SENSOR ...................................... 192
. Diagnosis Procedure ............................................ 235 .
Description ........................................................... 192
. Component Inspection .......................................... 236 . D
DTC Logic ............................................................ 192
.
Diagnosis Procedure ............................................ 193 . P0144 HO2S3 .................................................. 239
Component Inspection ......................................... 193 . Description ............................................................ 239
.
DTC Logic ............................................................. 239
. E
P0127 IAT SENSOR ........................................ 195
. Diagnosis Procedure ............................................ 240 .
Description ........................................................... 195
. Component Inspection .......................................... 241 .
DTC Logic ............................................................ 195
. F
Diagnosis Procedure ............................................ 196 . P0145 HO2S3 .................................................. 244
Component Inspection ......................................... 196 . Description ............................................................ 244
.
DTC Logic ............................................................. 244
.
P0128 THERMOSTAT FUNCTION ................. 197
. Diagnosis Procedure ............................................ 245 . G
DTC Logic ............................................................ 197
. Component Inspection .......................................... 246 .
Diagnosis Procedure ............................................ 197.
Component Inspection ......................................... 198 . P0146 HO2S3 .................................................. 249 H
Description ............................................................ 249
.
P0130 A/F SENSOR 1 ..................................... 199
. DTC Logic ............................................................. 249
.
Description ........................................................... 199
. Diagnosis Procedure ............................................ 250 .
DTC Logic ............................................................ 199
. I
Component Inspection .......................................... 251 .
Component Function Check ................................. 200 .
Diagnosis Procedure ............................................ 201 . P0171 FUEL INJECTION SYSTEM FUNC-
TION ................................................................ 254 J
P0131 A/F SENSOR 1 ..................................... 203
. DTC Logic ............................................................. 254
.
Description ........................................................... 203
.
Diagnosis Procedure ............................................ 255 .
DTC Logic ............................................................ 203
.
Diagnosis Procedure ............................................ 204 . K
P0172 FUEL INJECTION SYSTEM FUNC-
TION ................................................................ 258
P0132 A/F SENSOR 1 ..................................... 206
.
DTC Logic ............................................................. 258
.
Description ........................................................... 206
. L
Diagnosis Procedure ............................................ 259 .
DTC Logic ............................................................ 206
.
Diagnosis Procedure ............................................ 207 . P0181 FTT SENSOR ....................................... 262
Description ............................................................ 262
. M
P0133 A/F SENSOR 1 ..................................... 209
.
DTC Logic ............................................................. 262
.
Description ........................................................... 209
.
Diagnosis Procedure ............................................ 263 .
DTC Logic ............................................................ 209
.
Component Inspection .......................................... 264 .
Diagnosis Procedure ............................................ 211 . N
P0182, P0183 FTT SENSOR .......................... 265
P0137 HO2S2 .................................................. 214
.
Description ............................................................ 265
.
Description ........................................................... 214
.
DTC Logic ............................................................. 265
. O
DTC Logic ............................................................ 214
.
Diagnosis Procedure ............................................ 265 .
Component Function Check ................................. 215 .
Component Inspection .......................................... 267 .
Diagnosis Procedure ............................................ 216 .
Component Inspection ......................................... 217 . P0222, P0223 TP SENSOR ............................ 268 P
Description ............................................................ 268
.
P0138 HO2S2 .................................................. 220
.
DTC Logic ............................................................. 268
.
Description ........................................................... 220
.
Diagnosis Procedure ............................................ 268 .
DTC Logic ............................................................ 220
.
Component Inspection .......................................... 270 .
Component Function Check ................................. 221 .
Special Repair Requirement ................................. 270 .
Diagnosis Procedure ............................................ 222 .
Component Inspection ......................................... 225 .
Revision: July 2008 EC-3 2009 Altima
P0300, P0301, P0302, P0303, P0304 MIS- DTC Logic ............................................................ 312
.
FIRE ................................................................ 271
. Diagnosis Procedure ............................................ 313 .
DTC Logic .............................................................271
. Component Inspection ......................................... 314 .
Diagnosis Procedure ............................................272 .
P0451 EVAP CONTROL SYSTEM PRES-
P0327, P0328 KS ............................................ 276
. SURE SENSOR ............................................... 316
.
Description ............................................................276
. Description ........................................................... 316
.
DTC Logic .............................................................276
. DTC Logic ............................................................ 316
.
Diagnosis Procedure ............................................276 . Diagnosis Procedure ............................................ 316 .
Component Inspection ..........................................277 . Component Inspection ......................................... 318 .
P0335 CKP SENSOR (POS) .......................... 278
. P0452 EVAP CONTROL SYSTEM PRES-
Description ............................................................278
. SURE SENSOR ............................................... 319
.
DTC Logic .............................................................278
. Description ........................................................... 319
.
Diagnosis Procedure ............................................279 . DTC Logic ............................................................ 319
.
Component Inspection ..........................................281 . Diagnosis Procedure ............................................ 320 .
Component Inspection ......................................... 323 .
P0340 CMP SENSOR (PHASE) ..................... 282
.
Description ............................................................282
. P0453 EVAP CONTROL SYSTEM PRES-
DTC Logic .............................................................282
. SURE SENSOR ............................................... 324
.
Diagnosis Procedure ............................................283 . Description ........................................................... 324
.
Component Inspection ..........................................284 . DTC Logic ............................................................ 324
.
Diagnosis Procedure ............................................ 325 .
P0420 THREE WAY CATALYST FUNCTION . 286 Component Inspection ......................................... 328 .
DTC Logic .............................................................286
.
Diagnosis Procedure ............................................287 . P0455 EVAP CONTROL SYSTEM ................. 330
.
DTC Logic ............................................................ 330
.
P0441 EVAP CONTROL SYSTEM ................. 290
. Diagnosis Procedure ............................................ 331 .
DTC Logic .............................................................290
. Component Inspection ......................................... 334 .
Component Function Check .................................291 .
Diagnosis Procedure ............................................292 . P0456 EVAP CONTROL SYSTEM ................. 336
.
DTC Logic ............................................................ 336
.
P0442 EVAP CONTROL SYSTEM ................. 295
. Component Function Check ................................ 338 .
DTC Logic .............................................................295
. Diagnosis Procedure ............................................ 338 .
Diagnosis Procedure ............................................296 . Component Inspection ......................................... 341 .
Component Inspection ..........................................300 .
P0460 FUEL LEVEL SENSOR ........................ 343
.
P0443 EVAP CANISTER PURGE VOLUME Description ........................................................... 343
.
CONTROL SOLENOID VALVE ...................... 301
. DTC Logic ............................................................ 343
.
Description ............................................................301
. Diagnosis Procedure ............................................ 343 .
DTC Logic .............................................................301
.
Diagnosis Procedure ............................................302 . P0461 FUEL LEVEL SENSOR ........................ 344
.
Component Inspection ..........................................304 . Description ........................................................... 344
.
DTC Logic ............................................................ 344
.
P0444, P0445 EVAP CANISTER PURGE Component Function Check ................................ 344 .
VOLUME CONTROL SOLENOID VALVE ..... 305
. Diagnosis Procedure ............................................ 345 .
Description ............................................................305
.
DTC Logic .............................................................305
. P0462, P0463 FUEL LEVEL SENSOR ........... 346
.
Diagnosis Procedure ............................................305 . Description ........................................................... 346
.
Component Inspection ..........................................307 . DTC Logic ............................................................ 346
.
Diagnosis Procedure ............................................ 346 .
P0447 EVAP CANISTER VENT CONTROL
VALVE ............................................................ 308
. P0500 VSS ....................................................... 348
.
Description ............................................................308
. Description ........................................................... 348
.
DTC Logic .............................................................308
. DTC Logic ............................................................ 348
.
Diagnosis Procedure ............................................308 . Component Function Check ................................ 349 .
Component Inspection ..........................................310 . Diagnosis Procedure ............................................ 349 .
P0448 EVAP CANISTER VENT CONTROL P0506 ISC SYSTEM ........................................ 350
.
VALVE ............................................................ 312
. Description ........................................................... 350
.
Description ............................................................312
. DTC Logic ............................................................ 350
.
Revision: July 2008 EC-4 2009 Altima
Diagnosis Procedure ............................................ 350
. P1550 BATTERY CURRENT SENSOR .......... 379
Description ............................................................ 379
. A
P0507 ISC SYSTEM ........................................ 352
. DTC Logic ............................................................. 379
.
Description ........................................................... 352
. Diagnosis Procedure ............................................ 379 .
DTC Logic ............................................................ 352
. Component Inspection .......................................... 380 .
Diagnosis Procedure ............................................ 352 . EC
P1551, P1552 BATTERY CURRENT SEN-
P0550 PSP SENSOR ...................................... 354
. SOR ................................................................. 382
Description ........................................................... 354
. C
Description ............................................................ 382
.
DTC Logic ............................................................ 354
.
DTC Logic ............................................................. 382
.
Diagnosis Procedure ............................................ 354 .
Diagnosis Procedure ............................................ 382 .
Component Inspection ......................................... 355 .
Component Inspection .......................................... 383 . D
P0603 ECM POWER SUPPLY ........................ 357
. P1553 BATTERY CURRENT SENSOR .......... 385
Description ........................................................... 357
.
Description ............................................................ 385
.
DTC Logic ............................................................ 357
. E
DTC Logic ............................................................. 385
.
Diagnosis Procedure ............................................ 357 .
Diagnosis Procedure ............................................ 385 .
P0605 ECM ...................................................... 359
. Component Inspection .......................................... 386 .
Description ........................................................... 359
. F
P1554 BATTERY CURRENT SENSOR .......... 388
DTC Logic ............................................................ 359
.
Description ............................................................ 388
.
Diagnosis Procedure ............................................ 360 .
DTC Logic ............................................................. 388
.
G
P0607 ECM ...................................................... 361
. Component Function Check ................................. 388 .
Description ........................................................... 361
. Diagnosis Procedure ............................................ 389 .
DTC Logic ............................................................ 361
. Component Inspection .......................................... 390 .
H
Diagnosis Procedure ............................................ 361 . P1564 ASCD STEERING SWITCH ................. 391
P0643 SENSOR POWER SUPPLY ................ 362
. Description ............................................................ 391
.
DTC Logic ............................................................ 362
. DTC Logic ............................................................. 391
. I
Diagnosis Procedure ............................................ 362. Diagnosis Procedure ............................................ 391 .
Component Inspection .......................................... 393 .
P0850 PNP SWITCH ....................................... 365
.
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