Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Armada 2004-2009 Approved Nissan Armada 2008 EC
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ENGINE
A
ENGINE CONTROL SYSTEM
SECTION EC EC
C
D
E
CONTENTS
VK56DE COOLING FAN CONTROL ............................... 42 F
Description ..............................................................42
.
BASIC INSPECTION ................................... 8
.
EVAPORATIVE EMISSION SYSTEM ............... 43 G
DIAGNOSIS AND REPAIR WORKFLOW ......... 8
. Description ..............................................................43
.
Trouble Diagnosis Introduction ................................ 8
.
INTAKE VALVE TIMING CONTROL ................ 46
INSPECTION AND ADJUSTMENT ...................13
. Description ..............................................................46
. H
Basic Inspection ..................................................... 13
.
Idle Speed and Ignition Timing Check ................... 21 . ON BOARD DIAGNOSTIC (OBD) SYSTEM .... 47
Procedure After Replacing ECM ............................ 21 . Introduction .............................................................47
.
I
VIN Registration ..................................................... 22
. Two Trip Detection Logic ........................................47 .
Accelerator Pedal Released Position Learning ...... 22 . Emission-related Diagnostic Information ................48 .
Throttle Valve Closed Position Learning ................ 22 . Malfunction Indicator Lamp (MIL) ...........................60 .
Ethanol Mixture Ratio Adaptation (Flexible Fuel OBD System Operation Chart ................................63 . J
Vehicle) .................................................................. 22
. CONSULT-III Function (ENGINE) ..........................68 .
Idle Air Volume Learning ........................................ 23 . Generic Scan Tool (GST) Function ........................78 .
K
FUNCTION DIAGNOSIS ............................. 26
. COMPONENT DIAGNOSIS ........................ 80
.
ENGINE CONTROL SYSTEM ...........................26
. TROUBLE DIAGNOSIS - SPECIFICATION
System Diagram ..................................................... 26
. VALUE ............................................................... 80 L
Engine Control Component Parts Location ............ 27 . Description ..............................................................80
.
Testing Condition ....................................................80
.
MULTIPORT FUEL INJECTION SYSTEM ........34
. Inspection Procedure ..............................................80 . M
System Description ................................................ 34
. Diagnosis Procedure ..............................................81 .
ELECTRIC IGNITION SYSTEM ........................37
. POWER SUPPLY AND GROUND CIRCUIT .... 88
System Description ................................................ 37
. Diagnosis Procedure ..............................................88
. N
Ground Inspection ..................................................91
.
AIR CONDITIONING CUT CONTROL ..............38
.
Input/Output Signal Chart ....................................... 38
. U1000, U1001 CAN COMM CIRCUIT ............... 92 O
System Description ................................................ 38
. Description ..............................................................92
.
On Board Diagnosis Logic ......................................92 .
AUTOMATIC SPEED CONTROL DEVICE DTC Confirmation Procedure .................................92 .
(ASCD) ..............................................................39
. P
Diagnosis Procedure ..............................................92 .
System Description ................................................ 39
.
Component Description .......................................... 40
. U1010 CONTROL UNIT (CAN) ......................... 93
Description ..............................................................93
.
CAN COMMUNICATION ...................................41
. On Board Diagnosis Logic ......................................93 .
System Description ................................................ 41
. DTC Confirmation Procedure .................................93 .
Diagnosis Procedure ..............................................93 .
Revision: July 2007 EC-1 2008 Armada
P0011, P0021 IVT CONTROL .......................... 95
. Component Description ....................................... 129
.
On Board Diagnosis Logic ..................................... 95
. On Board Diagnosis Logic ................................... 129
.
DTC Confirmation Procedure ................................ 95. DTC Confirmation Procedure ............................... 129 .
Diagnosis Procedure ............................................. 96
. Diagnosis Procedure ............................................ 129
.
Component Inspection ..........................................100
. Component Inspection ......................................... 132
.
P0031, P0032, P0051, P0052 A/F SENSOR 1 P0125 ECT SENSOR ...................................... 133
.
HEATER .......................................................... 102
. Component Description ....................................... 133
.
Description ............................................................102
. On Board Diagnosis Logic ................................... 133
.
On Board Diagnosis Logic ....................................102 . DTC Confirmation Procedure ............................... 133 .
DTC Confirmation Procedure ...............................102 . Diagnosis Procedure ............................................ 134
.
Diagnosis Procedure ............................................102 . Component Inspection ......................................... 134
.
Component Inspection ..........................................104 .
P0127 IAT SENSOR ........................................ 136
.
P0037, P0038, P0057, P0058 HO2S2 HEAT- Component Description ....................................... 136
.
ER ................................................................... 105
. On Board Diagnosis Logic ................................... 136
.
Description ............................................................105
. DTC Confirmation Procedure ............................... 136 .
On Board Diagnosis Logic ....................................105 . Diagnosis Procedure ............................................ 137
.
DTC Confirmation Procedure ...............................105 . Component Inspection ......................................... 137
.
Diagnosis Procedure ............................................106 .
P0128 THERMOSTAT FUNCTION ................. 139
.
Component Inspection ..........................................107 .
On Board Diagnosis Logic ................................... 139
.
P0075, P0081 IVT CONTROL SOLENOID DTC Confirmation Procedure ............................... 139 .
VALVE ............................................................ 108
. Diagnosis Procedure ............................................ 139
.
Component Description ........................................108
. Component Inspection ......................................... 139
.
On Board Diagnosis Logic ....................................108
. P0130, P0150 A/F SENSOR 1 ........................ 141
.
DTC Confirmation Procedure ...............................108 . Component Description ....................................... 141
.
Diagnosis Procedure ............................................108
. On Board Diagnosis Logic ................................... 141
.
Component Inspection ..........................................109
. DTC Confirmation Procedure ............................... 141 .
P0101 MAF SENSOR ..................................... 111
. Overall Function Check ........................................ 142
.
Component Description ........................................111
. Diagnosis Procedure ............................................ 142
.
On Board Diagnosis Logic ....................................111
. P0131, P0151 A/F SENSOR 1 ........................ 145
.
DTC Confirmation Procedure ...............................111 . Component Description ....................................... 145
.
Overall Function Check ........................................112
. On Board Diagnosis Logic ................................... 145
.
Diagnosis Procedure ............................................113
. DTC Confirmation Procedure ............................... 145 .
Component Inspection ..........................................115
. Diagnosis Procedure ............................................ 146
.
P0102, P0103 MAF SENSOR ......................... 117
. P0132, P0152 A/F SENSOR 1 ........................ 149
.
Component Description ........................................117
. Component Description ....................................... 149
.
On Board Diagnosis Logic ....................................117
.
On Board Diagnosis Logic ................................... 149
.
DTC Confirmation Procedure ...............................117 .
DTC Confirmation Procedure ............................... 149 .
Diagnosis Procedure ............................................118
.
Diagnosis Procedure ............................................ 150
.
Component Inspection ..........................................119
.
P0133, P0153 A/F SENSOR 1 ........................ 153
.
P0112, P0113 IAT SENSOR ........................... 122
. Component Description ....................................... 153
.
Component Description ........................................122
.
On Board Diagnosis Logic ................................... 153
.
On Board Diagnosis Logic ....................................122
.
DTC Confirmation Procedure ............................... 153 .
DTC Confirmation Procedure ...............................122 .
Diagnosis Procedure ............................................ 154
.
Diagnosis Procedure ............................................122
.
Component Inspection ..........................................124
. P0137, P0157 HO2S2 ...................................... 158
.
Component Description ....................................... 158
.
P0117, P0118 ECT SENSOR ......................... 125
. On Board Diagnosis Logic ................................... 158
.
Component Description ........................................125
.
DTC Confirmation Procedure ............................... 158 .
On Board Diagnosis Logic ....................................125
.
Overall Function Check ........................................ 159
.
DTC Confirmation Procedure ...............................126 .
Diagnosis Procedure ............................................ 159
.
Diagnosis Procedure ............................................126
.
Component Inspection ......................................... 161
.
Component Inspection ..........................................127
.
P0138, P0158 HO2S2 ...................................... 163
.
P0122, P0123 TP SENSOR ............................ 129
. Component Description ....................................... 163
.
Revision: July 2007 EC-2 2008 Armada
On Board Diagnosis Logic ................................... 163
. Component Description ........................................ 205
.
DTC Confirmation Procedure ............................... 163. On Board Diagnosis Logic .................................... 205
. A
Overall Function Check ........................................ 164
. DTC Confirmation Procedure ............................... 205.
Diagnosis Procedure ............................................ 165
. Diagnosis Procedure ............................................ 206
.
Component Inspection ......................................... 168
. Component Inspection .......................................... 207
. EC
P0139, P0159 HO2S2 ..................................... 170
. P0340 CMP SENSOR (PHASE) ..................... 209
Component Description ........................................ 170
. Component Description ........................................ 209
.
On Board Diagnosis Logic ................................... 170
. On Board Diagnosis Logic .................................... 209
. C
DTC Confirmation Procedure ............................... 170. DTC Confirmation Procedure ............................... 209.
Overall Function Check ........................................ 171
. Diagnosis Procedure ............................................ 210
.
Diagnosis Procedure ............................................ 171
. Component Inspection .......................................... 211
. D
Component Inspection ......................................... 173
.
P0420, P0430 THREE WAY CATALYST
P0171, P0174 FUEL INJECTION SYSTEM FUNCTION ...................................................... 213
FUNCTION ...................................................... 175
. On Board Diagnosis Logic .................................... 213
. E
On Board Diagnosis Logic ................................... 175
. DTC Confirmation Procedure ............................... 213.
DTC Confirmation Procedure ............................... 175. Overall Function Check ........................................ 214
.
Diagnosis Procedure ............................................ 176
. Diagnosis Procedure ............................................ 214
. F
P0172, P0175 FUEL INJECTION SYSTEM P0441 EVAP CONTROL SYSTEM ................. 217
FUNCTION ...................................................... 180
. System Description ............................................... 217
.
On Board Diagnosis Logic .................................... 217
. G
On Board Diagnosis Logic ................................... 180
.
DTC Confirmation Procedure ............................... 180. DTC Confirmation Procedure ............................... 217 .
Diagnosis Procedure ............................................ 181
. Overall Function Check ........................................ 218
.
Diagnosis Procedure ............................................ 218
. H
P0181 FTT SENSOR ....................................... 185
.
Component Description ........................................ 185
. P0442 EVAP CONTROL SYSTEM ................. 222
On Board Diagnosis Logic ................................... 185
. On Board Diagnosis Logic .................................... 222
.
I
DTC Confirmation Procedure ............................... 185. DTC Confirmation Procedure ............................... 222.
Diagnosis Procedure ............................................ 186
. Diagnosis Procedure ............................................ 223
.
Component Inspection ......................................... 187
. Component Inspection .......................................... 228
.
J
P0182, P0183 FTT SENSOR .......................... 188
. P0443 EVAP CANISTER PURGE VOLUME
Component Description ........................................ 188
. CONTROL SOLENOID VALVE ...................... 229
On Board Diagnosis Logic ................................... 188
. Description ............................................................ 229
. K
DTC Confirmation Procedure ............................... 188. On Board Diagnosis Logic .................................... 229 .
Diagnosis Procedure ............................................ 188
. DTC Confirmation Procedure ............................... 229 .
Component Inspection ......................................... 190
. Diagnosis Procedure ............................................ 230 .
L
Component Inspection .......................................... 232 .
P0222, P0223 APP SENSOR .......................... 191
.
Component Description ........................................ 191
. P0444, P0445 EVAP CANISTER PURGE
On Board Diagnosis Logic ................................... 191
. VOLUME CONTROL SOLENOID VALVE ...... 234 M
DTC Confirmation Procedure ............................... 191. Description ............................................................ 234
.
Diagnosis Procedure ............................................ 191
. On Board Diagnosis Logic .................................... 234 .
Component Inspection ......................................... 194
. DTC Confirmation Procedure ............................... 235 . N
Diagnosis Procedure ............................................ 235 .
P0300, P0301, P0302, P0303, P0304, P0305, Component Inspection .......................................... 236 .
P0306, P0307, P0308 MISFIRE ...................... 195
.
On Board Diagnosis Logic ................................... 195
. P0447 EVAP CANISTER VENT CONTROL O
DTC Confirmation Procedure ............................... 195. VALVE ............................................................. 237
Diagnosis Procedure ............................................ 196
. Component Description ........................................ 237
.
On Board Diagnosis Logic .................................... 237
. P
P0327, P0328, P0332, P0333 KS ................... 202
. DTC Confirmation Procedure ............................... 237.
Component Description ........................................ 202
. Diagnosis Procedure ............................................ 237
.
On Board Diagnosis Logic ................................... 202
. Component Inspection .......................................... 239
.
DTC Confirmation Procedure ............................... 202.
Diagnosis Procedure ............................................ 202
. P0448 EVAP CANISTER VENT CONTROL
Component Inspection ......................................... 204
. VALVE ............................................................. 241
Component Description ........................................ 241
.
P0335 CKP SENSOR (POS) ........................... 205
.
Revision: July 2007 EC-3 2008 Armada
On Board Diagnosis Logic ....................................241
. Description ........................................................... 278
.
DTC Confirmation Procedure ...............................241 . On Board Diagnosis Logic ................................... 278 .
Diagnosis Procedure ............................................242
. DTC Confirmation Procedure ............................... 278 .
Component Inspection ..........................................243
. Overall Function Check ........................................ 279 .
Diagnosis Procedure ............................................ 279 .
P0451 EVAP CONTROL SYSTEM PRES-
SURE SENSOR .............................................. 245
. P0506 ISC SYSTEM ........................................ 280
.
Component Description ........................................245
. Description ........................................................... 280
.
On Board Diagnosis Logic ....................................245
. On Board Diagnosis Logic ................................... 280 .
DTC Confirmation Procedure ...............................245 . DTC Confirmation Procedure ............................... 280 .
Diagnosis Procedure ............................................245
. Diagnosis Procedure ............................................ 280 .
Component Inspection ..........................................246
.
P0507 ISC SYSTEM ........................................ 282
.
P0452 EVAP CONTROL SYSTEM PRES- Description ........................................................... 282
.
SURE SENSOR .............................................. 248
. On Board Diagnosis Logic ................................... 282 .
Component Description ........................................248
. DTC Confirmation Procedure ............................... 282 .
On Board Diagnosis Logic ....................................248
. Diagnosis Procedure ............................................ 282 .
DTC Confirmation Procedure ...............................248 .
Diagnosis Procedure ............................................249
.
P0550 PSP SENSOR ...................................... 284
.
Component Description ....................................... 284
.
Component Inspection ..........................................251
.
On Board Diagnosis Logic ................................... 284
.
P0453 EVAP CONTROL SYSTEM PRES- DTC Confirmation Procedure ............................... 284 .
SURE SENSOR .............................................. 252
. Diagnosis Procedure ............................................ 284
.
Component Description ........................................252
. Component Inspection ......................................... 286
.
On Board Diagnosis Logic ....................................252
.
P0603 ECM POWER SUPPLY ........................ 287
.
DTC Confirmation Procedure ...............................252 .
Component Description ....................................... 287
.
Diagnosis Procedure ............................................253
.
On Board Diagnosis Logic ................................... 287
.
Component Inspection ..........................................256
.
DTC Confirmation Procedure ............................... 287 .
P0455 EVAP CONTROL SYSTEM ................. 257
. Diagnosis Procedure ............................................ 287
.
On Board Diagnosis Logic ....................................257
.
P0605 ECM ...................................................... 289
.
DTC Confirmation Procedure ...............................257 .
Component Description ....................................... 289
.
Diagnosis Procedure ............................................258
.
On Board Diagnosis Logic ................................... 289
.
Component Inspection ..........................................262
.
DTC Confirmation Procedure ............................... 289 .
P0456 EVAP CONTROL SYSTEM ................. 264
. Diagnosis Procedure ............................................ 290
.
On Board Diagnosis Logic ....................................264
.
P0643 SENSOR POWER SUPPLY ................. 291
.
DTC Confirmation Procedure ...............................265 .
On Board Diagnosis Logic ................................... 291
.
Overall Function Check ........................................265
.
DTC Confirmation Procedure ............................... 291 .
Diagnosis Procedure ............................................266
.
Diagnosis Procedure ............................................ 291
.
Component Inspection ..........................................270
.
P0850 PNP SWITCH ....................................... 294
.
P0460 FUEL LEVEL SENSOR ....................... 272
.
Component Description ....................................... 294
.
Component Description ........................................272
.
On Board Diagnosis Logic ................................... 294
.
On Board Diagnosis Logic ....................................272
.
DTC Confirmation Procedure ............................... 294 .
DTC Confirmation Procedure ...............................272 .
Overall Function Check ........................................ 294
.
Diagnosis Procedure ............................................272
.
Diagnosis Procedure ............................................ 295
.
P0461 FUEL LEVEL SENSOR ....................... 274
.
P1140, P1145 IVT CONTROL POSITION
Component Description ........................................274
.
On Board Diagnosis Logic ....................................274
.
SENSOR .......................................................... 297
.
Component Description ....................................... 297
.
Overall Function Check ........................................274
.
On Board Diagnosis Logic ................................... 297
.
Diagnosis Procedure ............................................275
.
DTC Confirmation Procedure ............................... 297 .
P0462, P0463 FUEL LEVEL SENSOR .......... 276
. Diagnosis Procedure ............................................ 297
.
Component Description ........................................276
. Component Inspection ......................................... 300
.
On Board Diagnosis Logic ....................................276
.
DTC Confirmation Procedure ...............................276 .
P1148, P1168 CLOSED LOOP CONTROL .... 301
.
On Board Diagnosis Logic ................................... 301
.
Diagnosis Procedure ............................................276
.
P0500 VSS ...................................................... 278
. P1211 TCS CONTROL UNIT .......................... 302
.
Revision: July 2007 EC-4 2008 Armada
Description ........................................................... 302
. DTC Confirmation Procedure ............................... 327.
On Board Diagnosis Logic ................................... 302 . Diagnosis Procedure ............................................ 327
. A
DTC Confirmation Procedure ............................... 302 . Component Inspection .......................................... 329
.
Diagnosis Procedure ............................................ 302 .
P1554 BATTERY CURRENT SENSOR .......... 331
P1212 TCS COMMUNICATION LINE ............. 303
. Component Description ........................................ 331
. EC
Description ........................................................... 303
. On Board Diagnosis Logic .................................... 331
.
On Board Diagnosis Logic ................................... 303 . Overall Function Check ........................................ 331
.
DTC Confirmation Procedure ............................... 303 . Diagnosis Procedure ............................................ 332
. C
Diagnosis Procedure ............................................ 303 . Component Inspection .......................................... 333
.
P1217 ENGINE OVER TEMPERATURE ........ 304
. P1564 ASCD STEERING SWITCH ................. 335
D
On Board Diagnosis Logic ................................... 304
. Component Description ........................................ 335
.
Overall Function Check ........................................ 304
. On Board Diagnosis Logic .................................... 335
.
Diagnosis Procedure ............................................ 305
. DTC Confirmation Procedure ............................... 335.
Main 13 Causes of Overheating ........................... 306 . Diagnosis Procedure ............................................ 335
. E
Component Inspection .......................................... 337
.
P1220 FUEL PUMP CONTROL MODULE
(FPCM) ............................................................ 308
. P1572 ASCD BRAKE SWITCH ...................... 339 F
Description ........................................................... 308
. Component Description ........................................ 339
.
On Board Diagnosis Logic ................................... 308 . On Board Diagnosis Logic .................................... 339
.
DTC Confirmation Procedure ............................... 308 . DTC Confirmation Procedure ............................... 339.
Diagnosis Procedure ............................................ 309 . Diagnosis Procedure ............................................ 340
. G
Component Inspection ......................................... 311 . Component Inspection .......................................... 343
.
P1225 TP SENSOR ......................................... 313
. P1574 ASCD VEHICLE SPEED SENSOR ..... 344 H
Component Description ........................................ 313
. Component Description ........................................ 344
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