Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Titan 2004-2009 Approved Nissan Titan 2009 EC
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ENGINE
EC
A
EC
SECTION
ENGINE CONTROL SYSTEM C
D
E
CONTENTS
VK56DE Description ..............................................................41
. F
BASIC INSPECTION ................................... 8
. INTAKE VALVE TIMING CONTROL ................ 44
Description ..............................................................44
.
G
DIAGNOSIS AND REPAIR WORKFLOW ......... 8
.
Trouble Diagnosis Introduction ................................ 8
. ON BOARD DIAGNOSTIC (OBD) SYSTEM .... 45
Introduction .............................................................45
.
INSPECTION AND ADJUSTMENT ...................13
. Two Trip Detection Logic ........................................45 . H
Basic Inspection ..................................................... 13
. Emission-related Diagnostic Information ................46 .
Idle Speed and Ignition Timing Check ................... 21 . Malfunction Indicator Lamp (MIL) ...........................59 .
Procedure After Replacing ECM ............................ 21 . OBD System Operation Chart ................................62 . I
VIN Registration ..................................................... 22
. CONSULT-III Function (ENGINE) ..........................67 .
Accelerator Pedal Released Position Learning ...... 22 . Generic Scan Tool (GST) Function ........................76 .
Throttle Valve Closed Position Learning ................ 22 .
Ethanol Mixture Ratio Adaptation (Flexible Fuel COMPONENT DIAGNOSIS ........................ 79
. J
Vehicle) .................................................................. 22
.
Idle Air Volume Learning ........................................ 23 .
TROUBLE DIAGNOSIS - SPECIFICATION
VALUE ............................................................... 79 K
FUNCTION DIAGNOSIS ............................. 25
. Description ..............................................................79
.
Testing Condition ....................................................79
.
ENGINE CONTROL SYSTEM ...........................25
. Inspection Procedure ..............................................79 .
System Diagram ..................................................... 25
. L
Diagnosis Procedure ..............................................80 .
Engine Control Component Parts Location ............ 26 .
POWER SUPPLY AND GROUND CIRCUIT .... 87
MULTIPORT FUEL INJECTION SYSTEM ........33
. Diagnosis Procedure ..............................................87
. M
System Description ................................................ 33
. Ground Inspection ..................................................90
.
ELECTRIC IGNITION SYSTEM ........................36
. U1000, U1001 CAN COMM CIRCUIT ............... 91
System Description ................................................ 36
. Description ..............................................................91
. N
On Board Diagnosis Logic ......................................91 .
AIR CONDITIONING CUT CONTROL ..............37
. DTC Confirmation Procedure .................................91 .
Input/Output Signal Chart ....................................... 37
. Diagnosis Procedure ..............................................91 . O
System Description ................................................ 37
.
P0011, P0021 IVT CONTROL ........................... 92
AUTOMATIC SPEED CONTROL DEVICE On Board Diagnosis Logic ......................................92
.
(ASCD) ..............................................................38
. DTC Confirmation Procedure .................................92. P
System Description ................................................ 38
. Diagnosis Procedure ..............................................93
.
Component Description .......................................... 39
. Component Inspection ............................................97
.
CAN COMMUNICATION ...................................40
. P0031, P0032, P0051, P0052 A/F SENSOR 1
System Description ................................................ 40
. HEATER ............................................................ 99
EVAPORATIVE EMISSION SYSTEM ...............41
. Description ..............................................................99
.
Revision: November 2008 EC-1 2009 Titan
On Board Diagnosis Logic ..................................... 99
. Diagnosis Procedure ............................................ 129
.
DTC Confirmation Procedure ................................ 99. Component Inspection ......................................... 132
.
Diagnosis Procedure ............................................. 99
.
Component Inspection ..........................................101
. P0125 ECT SENSOR ...................................... 133
.
Component Description ....................................... 133
.
P0037, P0038, P0057, P0058 HO2S2 HEAT- On Board Diagnosis Logic ................................... 133
.
ER ................................................................... 102
. DTC Confirmation Procedure ............................... 133 .
Description ............................................................102
. Diagnosis Procedure ............................................ 134
.
On Board Diagnosis Logic ....................................102 . Component Inspection ......................................... 134
.
DTC Confirmation Procedure ...............................102 .
Diagnosis Procedure ............................................103 . P0127 IAT SENSOR ........................................ 136
.
Component Inspection ..........................................104 . Component Description ....................................... 136
.
On Board Diagnosis Logic ................................... 136
.
P0075, P0081 IVT CONTROL SOLENOID DTC Confirmation Procedure ............................... 136 .
VALVE ............................................................ 105
. Diagnosis Procedure ............................................ 137
.
Component Description ........................................105
. Component Inspection ......................................... 137
.
On Board Diagnosis Logic ....................................105
.
DTC Confirmation Procedure ...............................105 .
P0128 THERMOSTAT FUNCTION ................. 139
.
On Board Diagnosis Logic ................................... 139
.
Diagnosis Procedure ............................................105
.
DTC Confirmation Procedure ............................... 139 .
Component Inspection ..........................................106
.
Diagnosis Procedure ............................................ 140
.
P0101 MAF SENSOR ..................................... 108
. Component Inspection ......................................... 140
.
Component Description ........................................108
.
On Board Diagnosis Logic ....................................108
.
P0130, P0150 A/F SENSOR 1 ........................ 141
.
Component Description ....................................... 141
.
DTC Confirmation Procedure ...............................108 .
On Board Diagnosis Logic ................................... 141
.
Overall Function Check ........................................109
.
DTC Confirmation Procedure ............................... 141 .
Diagnosis Procedure ............................................110
.
Overall Function Check ........................................ 142
.
Component Inspection ..........................................112
.
Diagnosis Procedure ............................................ 142
.
P0102, P0103 MAF SENSOR ......................... 114
.
Component Description ........................................114
.
P0131, P0151 A/F SENSOR 1 ........................ 145
.
Component Description ....................................... 145
.
On Board Diagnosis Logic ....................................114
.
On Board Diagnosis Logic ................................... 145
.
DTC Confirmation Procedure ...............................114 .
DTC Confirmation Procedure ............................... 145 .
Diagnosis Procedure ............................................115
.
Diagnosis Procedure ............................................ 146
.
Component Inspection ..........................................116
.
P0112, P0113 IAT SENSOR ........................... 119
. P0132, P0152 A/F SENSOR 1 ........................ 148
.
Component Description ........................................119
. Component Description ....................................... 148
.
On Board Diagnosis Logic ....................................119
. On Board Diagnosis Logic ................................... 148
.
DTC Confirmation Procedure ...............................119 . DTC Confirmation Procedure ............................... 148 .
Diagnosis Procedure ............................................ 149
.
Diagnosis Procedure ............................................119
.
Component Inspection ..........................................121
. P0133, P0153 A/F SENSOR 1 ........................ 151
.
P0116 ECT SENSOR ...................................... 122
. Component Description ....................................... 151
.
On Board Diagnosis Logic ................................... 151
.
Component Description ........................................122
.
DTC Confirmation Procedure ............................... 151 .
On Board Diagnosis Logic ....................................122
.
Diagnosis Procedure ............................................ 152
.
DTC Confirmation Procedure ...............................122 .
Diagnosis Procedure ............................................123
. P0137, P0157 HO2S2 ...................................... 157
.
Component Inspection ..........................................123
. Component Description ....................................... 157
.
P0117, P0118 ECT SENSOR ......................... 125
. On Board Diagnosis Logic ................................... 157
.
DTC Confirmation Procedure ............................... 157 .
Component Description ........................................125
.
Overall Function Check ........................................ 158
.
On Board Diagnosis Logic ....................................125
.
Diagnosis Procedure ............................................ 158
.
DTC Confirmation Procedure ...............................126 .
Component Inspection ......................................... 160
.
Diagnosis Procedure ............................................126
.
Component Inspection ..........................................127
. P0138, P0158 HO2S2 ...................................... 162
.
P0122, P0123 TP SENSOR ............................ 129
. Component Description ....................................... 162
.
On Board Diagnosis Logic ................................... 162
.
Component Description ........................................129
.
DTC Confirmation Procedure ............................... 162.
On Board Diagnosis Logic ....................................129
.
Overall Function Check ........................................ 163
.
DTC Confirmation Procedure ...............................129
.
Revision: November 2008 EC-2 2009 Titan
Diagnosis Procedure ............................................ 164
. Diagnosis Procedure ............................................ 204
.
Component Inspection ......................................... 167
. Component Inspection .......................................... 206
. A
P0139, P0159 HO2S2 ..................................... 169
. P0340 CMP SENSOR (PHASE) ..................... 208
Component Description ........................................ 169
. Component Description ........................................ 208
.
On Board Diagnosis Logic ................................... 169
. On Board Diagnosis Logic .................................... 208
. EC
DTC Confirmation Procedure ............................... 169. DTC Confirmation Procedure ............................... 208.
Overall Function Check ........................................ 170
. Diagnosis Procedure ............................................ 209
.
Diagnosis Procedure ............................................ 170
. Component Inspection .......................................... 210
. C
Component Inspection ......................................... 172
.
P0420, P0430 THREE WAY CATALYST
P0171, P0174 FUEL INJECTION SYSTEM FUNCTION ...................................................... 212 D
FUNCTION ...................................................... 174
. On Board Diagnosis Logic .................................... 212
.
On Board Diagnosis Logic ................................... 174
. DTC Confirmation Procedure ............................... 212.
DTC Confirmation Procedure ............................... 174. Overall Function Check ........................................ 213
.
Diagnosis Procedure ............................................ 175
. Diagnosis Procedure ............................................ 213
. E
P0172, P0175 FUEL INJECTION SYSTEM P0441 EVAP CONTROL SYSTEM ................. 216
FUNCTION ...................................................... 179
. System Description ............................................... 216
. F
On Board Diagnosis Logic ................................... 179
. On Board Diagnosis Logic .................................... 216
.
DTC Confirmation Procedure ............................... 179. DTC Confirmation Procedure ............................... 216 .
Diagnosis Procedure ............................................ 180
. Overall Function Check ........................................ 217
.
Diagnosis Procedure ............................................ 217
. G
P0181 FTT SENSOR ....................................... 184
. Component Inspection .......................................... 220
.
Component Description ........................................ 184
.
On Board Diagnosis Logic ................................... 184
. P0442 EVAP CONTROL SYSTEM ................. 221 H
DTC Confirmation Procedure ............................... 184. On Board Diagnosis Logic .................................... 221
.
Diagnosis Procedure ............................................ 185
. DTC Confirmation Procedure ............................... 222.
Component Inspection ......................................... 186
. Diagnosis Procedure ............................................ 222
.
I
Component Inspection .......................................... 227
.
P0182, P0183 FTT SENSOR .......................... 187
.
Component Description ........................................ 187
. P0443 EVAP CANISTER PURGE VOLUME
On Board Diagnosis Logic ................................... 187
. CONTROL SOLENOID VALVE ...................... 228 J
DTC Confirmation Procedure ............................... 187. Description ............................................................ 228
.
Diagnosis Procedure ............................................ 187
. On Board Diagnosis Logic .................................... 228 .
Component Inspection ......................................... 189
. DTC Confirmation Procedure ............................... 229 . K
Diagnosis Procedure ............................................ 229 .
P0222, P0223 APP SENSOR .......................... 190
. Component Inspection .......................................... 232 .
Component Description ........................................ 190
.
On Board Diagnosis Logic ................................... 190
. P0444, P0445 EVAP CANISTER PURGE L
DTC Confirmation Procedure ............................... 190. VOLUME CONTROL SOLENOID VALVE ...... 233
Diagnosis Procedure ............................................ 190
. Description ............................................................ 233
.
Component Inspection ......................................... 193
. On Board Diagnosis Logic .................................... 233 . M
DTC Confirmation Procedure ............................... 234 .
P0300, P0301, P0302, P0303, P0304, P0305, Diagnosis Procedure ............................................ 234 .
P0306, P0307, P0308 MISFIRE ...................... 194
. Component Inspection .......................................... 235 .
On Board Diagnosis Logic ................................... 194
. N
DTC Confirmation Procedure ............................... 194. P0447 EVAP CANISTER VENT CONTROL
Diagnosis Procedure ............................................ 195
. VALVE ............................................................. 236
Component Description ........................................ 236
. O
P0327, P0328, P0332, P0333 KS ................... 201
. On Board Diagnosis Logic .................................... 236
.
Component Description ........................................ 201
. DTC Confirmation Procedure ............................... 236.
On Board Diagnosis Logic ................................... 201
. Diagnosis Procedure ............................................ 236
. P
DTC Confirmation Procedure ............................... 201. Component Inspection .......................................... 238
.
Diagnosis Procedure ............................................ 201
.
Component Inspection ......................................... 203
. P0448 EVAP CANISTER VENT CONTROL
VALVE ............................................................. 240
P0335 CKP SENSOR (POS) ........................... 204
. Component Description ........................................ 240
.
Component Description ........................................ 204
.
On Board Diagnosis Logic .................................... 240
.
On Board Diagnosis Logic ................................... 204
.
DTC Confirmation Procedure ............................... 240
.
DTC Confirmation Procedure ............................... 204
.
Revision: November 2008 EC-3 2009 Titan
Diagnosis Procedure ............................................241
. DTC Confirmation Procedure ............................... 278 .
Component Inspection ..........................................242
. 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
.
P0607 ECM ...................................................... 291
.
DTC Confirmation Procedure ...............................265 .
Description ........................................................... 291
.
Overall Function Check ........................................265
.
On Board Diagnosis Logic ................................... 291 .
Diagnosis Procedure ............................................266
.
DTC Confirmation Procedure ............................... 291 .
Component Inspection ..........................................271
.
Diagnosis Procedure ............................................ 291 .
P0460 FUEL LEVEL SENSOR ....................... 272
.
P0643 SENSOR POWER SUPPLY ................. 292
.
Component Description ........................................272
.
On Board Diagnosis Logic ................................... 292
.
On Board Diagnosis Logic ....................................272
.
DTC Confirmation Procedure ............................... 292 .
DTC Confirmation Procedure ...............................272 .
Diagnosis Procedure ............................................ 292
.
Diagnosis Procedure ............................................272
.
P0850 PNP SWITCH ....................................... 295
.
P0461 FUEL LEVEL SENSOR ....................... 274
.
Component Description ....................................... 295
.
Component Description ........................................274
.
On Board Diagnosis Logic ................................... 295
.
On Board Diagnosis Logic ....................................274
.
DTC Confirmation Procedure ............................... 295 .
Overall Function Check ........................................274
.
Overall Function Check ........................................ 295
.
Diagnosis Procedure ............................................275
.
Diagnosis Procedure ............................................ 296
.
P0462, P0463 FUEL LEVEL SENSOR .......... 276
.
P1140, P1145 IVT CONTROL POSITION
Component Description ........................................276
.
On Board Diagnosis Logic ....................................276
.
SENSOR .......................................................... 298
.
Component Description ....................................... 298
.
DTC Confirmation Procedure ...............................276 .
On Board Diagnosis Logic ................................... 298
.
Diagnosis Procedure ............................................276
.
DTC Confirmation Procedure ............................... 298 .
P0500 VSS ...................................................... 278
. Diagnosis Procedure ............................................ 298
.
Description ............................................................278
. Component Inspection ......................................... 301
.
On Board Diagnosis Logic ....................................278 .
Revision: November 2008 EC-4 2009 Titan
P1148, P1168 CLOSED LOOP CONTROL .... 302
. P1553 BATTERY CURRENT SENSOR .......... 327
On Board Diagnosis Logic ................................... 302
. Component Description ........................................ 327
. A
On Board Diagnosis Logic .................................... 327
.
P1211 TCS CONTROL UNIT .......................... 303
. DTC Confirmation Procedure ............................... 327.
Description ........................................................... 303
. Diagnosis Procedure ............................................ 327
. EC
On Board Diagnosis Logic ................................... 303 . Component Inspection .......................................... 329
.
DTC Confirmation Procedure ............................... 303 .
Diagnosis Procedure ............................................ 303 . P1554 BATTERY CURRENT SENSOR .......... 331
Component Description ........................................ 331
. C
P1212 TCS COMMUNICATION LINE ............. 304
. On Board Diagnosis Logic .................................... 331
.
Description ........................................................... 304
. Overall Function Check ........................................ 331
.
On Board Diagnosis Logic ................................... 304 . Diagnosis Procedure ............................................ 332
. D
DTC Confirmation Procedure ............................... 304 . Component Inspection .......................................... 333
.
Diagnosis Procedure ............................................ 304 .
P1564 ASCD STEERING SWITCH ................. 335
P1217 ENGINE OVER TEMPERATURE ........ 305
. Component Description ........................................ 335
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