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ENGINE
EC
A
EC
SECTION
ENGINE CONTROL SYSTEM C
D
E
CONTENTS
HR16DE THROTTLE VALVE CLOSED POSITION F
LEARNING : Description ........................................31
.
BASIC INSPECTION .................................. 22
. THROTTLE VALVE CLOSED POSITION
LEARNING : Special Repair Requirement .............31 . G
DIAGNOSIS AND REPAIR WORK FLOW .......22
.
Work Flow .............................................................. 22
. IDLE AIR VOLUME LEARNING ...............................31 .
Diagnostic Work Sheet ........................................... 25. IDLE AIR VOLUME LEARNING : Description ........31 .
IDLE AIR VOLUME LEARNING : Special Repair H
INSPECTION AND ADJUSTMENT ...................26
. Requirement ...........................................................32
.
BASIC INSPECTION ................................................ 26 . MIXTURE RATIO SELF-LEARNING VALUE
BASIC INSPECTION : Special Repair Require- I
CLEAR ......................................................................33
.
ment ....................................................................... 26
. MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Description ...............................................33 .
ADDITIONAL SERVICE WHEN REPLACING J
MIXTURE RATIO SELF-LEARNING VALUE
CONTROL UNIT ....................................................... 29
.
CLEAR : Special Repair Requirement ....................33 .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ............................... 29 . FUNCTION DIAGNOSIS ............................. 35
.
ADDITIONAL SERVICE WHEN REPLACING K
CONTROL UNIT : Special Repair Requirement .... 29 ENGINE CONTROL SYSTEM .......................... 35
System Diagram ....................................................35
.
IDLE SPEED ............................................................. 30
. L
System Description .................................................36
.
IDLE SPEED : Description ..................................... 30 .
Component Parts Location ...................................36 .
IDLE SPEED : Special Repair Requirement .......... 30 .
Component Description ..........................................40
.
IGNITION TIMING ..................................................... 30
. M
MULTIPORT FUEL INJECTION SYSTEM ....... 42
IGNITION TIMING : Description ............................. 30 .
System Diagram ....................................................42
.
IGNITION TIMING : Special Repair Requirement 30 ....
System Description .................................................42
.
Component Parts Location ...................................45 . N
VIN REGISTRATION ................................................ 30 .
VIN REGISTRATION : Description ........................ 30 . Component Description ..........................................49
.
VIN REGISTRATION : Special Repair Require-
ment ....................................................................... 31
.
ELECTRIC IGNITION SYSTEM ........................ 51 O
System Diagram ....................................................51
.
ACCELERATOR PEDAL RELEASED POSITION System Description .................................................51
.
LEARNING ............................................................... 31
. Component Parts Location ...................................52 .
Component Description ..........................................56
. P
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Description ........................................ 31 .
ACCELERATOR PEDAL RELEASED POSITION AIR CONDITIONING CUT CONTROL .............. 58
LEARNING : Special Repair Requirement ............. 31 . System Diagram .....................................................58
.
System Description .................................................58
.
THROTTLE VALVE CLOSED POSITION LEARN- Component Parts Location ...................................59 .
ING ............................................................................ 31
. Component Description ..........................................63
.
Revision: October 2008 EC-1 2009 Versa
CAN COMMUNICATION .................................. 65
. P0011 IVT CONTROL ..................................... 132
.
System Description ................................................ 65
. DTC Logic ............................................................ 132
.
Diagnosis Procedure ............................................ 133 .
COOLING FAN CONTROL .............................. 66
. Component Inspection ......................................... 134 .
System Diagram .................................................... 66
.
System Description ................................................ 66
. P0031, P0032 A/F SENSOR 1 HEATER ......... 136
.
Component Parts Location .................................. 68 . Description ........................................................... 136
.
Component Description ......................................... 72
. DTC Logic ............................................................ 136
.
Wiring Diagram .................................................... 137
.
EVAPORATIVE EMISSION SYSTEM .............. 74
. Diagnosis Procedure ............................................ 137 .
System Diagram .................................................... 74
. Component Inspection ......................................... 139 .
System Description ................................................ 74
.
Component Parts Location .................................. 78 . P0037, P0038 HO2S2 HEATER ...................... 140
.
Component Description ........................................ 82
. Description ........................................................... 140
.
DTC Logic ............................................................ 140
.
INTAKE VALVE TIMING CONTROL ................ 84
. Wiring Diagram .................................................... 141
.
System Diagram .................................................... 84
. Diagnosis Procedure ............................................ 141 .
System Description ................................................ 84
. Component Inspection ......................................... 143 .
Component Parts Location .................................. 85 .
Component Description ......................................... 89
. P0075 IVT CONTROL SOLENOID VALVE ..... 144
.
Description ........................................................... 144
.
ON BOARD DIAGNOSTIC (OBD) SYSTEM .... 90
. DTC Logic ............................................................ 144
.
Diagnosis Description ............................................ 90
. Wiring Diagram .................................................... 145
.
CONSULT-III Function .........................................103
. Diagnosis Procedure ............................................ 145 .
Diagnosis Tool Function .....................................110
. Component Inspection ......................................... 146 .
COMPONENT DIAGNOSIS ...................... 112
. P0101 MAF SENSOR ...................................... 148
.
Description ........................................................... 148
.
TROUBLE DIAGNOSIS - SPECIFICATION DTC Logic ............................................................ 148
.
VALUE ............................................................ 112
. Component Function Check ................................ 149 .
Description ............................................................112
. Wiring Diagram .................................................... 151
.
Component Function Check .................................112 . Diagnosis Procedure ............................................ 151 .
Diagnosis Procedure ............................................113 . Component Inspection ......................................... 153 .
TROUBLE DIAGNOSIS FOR INTERMITTENT P0102, P0103 MAF SENSOR ......................... 156
.
INCIDENT ....................................................... 120
. Description ........................................................... 156
.
Description ............................................................120
. DTC Logic ............................................................ 156
.
Diagnosis Procedure ............................................120 . Wiring Diagram .................................................... 157
.
Diagnosis Procedure ............................................ 157 .
POWER SUPPLY AND GROUND CIRCUIT .. 121
.
Component Inspection ......................................... 159 .
Wiring Diagram .....................................................121
.
Diagnosis Procedure ............................................121
. P0112, P0113 IAT SENSOR ........................... 162
.
Ground Inspection ................................................125
. Description ........................................................... 162
.
DTC Logic ............................................................ 162
.
U0101 CAN COMM CIRCUIT ......................... 126
.
Wiring Diagram .................................................... 163
.
Description ............................................................126
.
Diagnosis Procedure ............................................ 163 .
DTC Logic .............................................................126
.
Component Inspection ......................................... 164 .
Wiring Diagram .....................................................127
.
Diagnosis Procedure ............................................127 . P0116 ECT SENSOR ...................................... 165
.
Description ........................................................... 165
.
U0140 CAN COMM CIRCUIT ......................... 128
.
DTC Logic ............................................................ 165
.
Description ............................................................128
.
Diagnosis Procedure ............................................ 166 .
DTC Logic .............................................................128
.
Component Inspection ......................................... 166 .
Wiring Diagram .....................................................129
.
Diagnosis Procedure ............................................129 . P0117, P0118 ECT SENSOR .......................... 167
.
Description ........................................................... 167
.
U1001 CAN COMM CIRCUIT ......................... 130
.
DTC Logic ............................................................ 167
.
Description ............................................................130
.
Wiring Diagram .................................................... 168
.
DTC Logic .............................................................130
.
Diagnosis Procedure ............................................ 168 .
Wiring Diagram .....................................................131
.
Component Inspection ......................................... 169 .
Diagnosis Procedure ............................................131 .
Revision: October 2008 EC-2 2009 Versa
P0122, P0123 TP SENSOR ............................ 171
. Component Function Check ................................. 213 .
Description ........................................................... 171
. Wiring Diagram ..................................................... 215
. A
DTC Logic ............................................................ 171
. Diagnosis Procedure ............................................ 215
.
Wiring Diagram .................................................... 172
. Component Inspection .......................................... 218
.
Diagnosis Procedure ............................................ 172 .
Component Inspection ......................................... 174 . P0139 HO2S2 .................................................. 221 EC
Special Repair Requirement ................................ 174 . Description ............................................................ 221
.
DTC Logic ............................................................. 221
.
P0125 ECT SENSOR ...................................... 175
. Component Function Check ................................. 222 . C
Description ........................................................... 175
. Wiring Diagram ..................................................... 224
.
DTC Logic ............................................................ 175
. Diagnosis Procedure ............................................ 224 .
Diagnosis Procedure ............................................ 176 . Component Inspection .......................................... 226 . D
Component Inspection ......................................... 176 .
P0171 FUEL INJECTION SYSTEM FUNC-
P0127 IAT SENSOR ........................................ 178
. TION ................................................................ 229
Description ........................................................... 178
. DTC Logic ............................................................. 229
. E
DTC Logic ............................................................ 178
. Wiring Diagram ..................................................... 231
.
Diagnosis Procedure ............................................ 179 . Diagnosis Procedure ............................................ 231 .
Component Inspection ......................................... 179 . F
P0172 FUEL INJECTION SYSTEM FUNC-
P0128 THERMOSTAT FUNCTION ................. 180
. TION ................................................................ 235
DTC Logic ............................................................ 180
. DTC Logic ............................................................. 235
.
Diagnosis Procedure ............................................ 180. G
Wiring Diagram ..................................................... 237
.
Component Inspection ......................................... 181 . Diagnosis Procedure ............................................ 237 .
P0130 A/F SENSOR 1 ..................................... 182
. P0181 FTT SENSOR ....................................... 240 H
Description ........................................................... 182
. Description ............................................................ 240
.
DTC Logic ............................................................ 182
. DTC Logic ............................................................. 240
.
Component Function Check ................................. 183 . Wiring Diagram ..................................................... 242
. I
Wiring Diagram .................................................... 185
. Diagnosis Procedure ............................................ 242 .
Diagnosis Procedure ............................................ 185 . Component Inspection .......................................... 244 .
P0131 A/F SENSOR 1 ..................................... 188
. P0182, P0183 FTT SENSOR .......................... 245 J
Description ........................................................... 188
. Description ............................................................ 245
.
DTC Logic ............................................................ 188
. DTC Logic ............................................................. 245
.
Wiring Diagram .................................................... 190
. Wiring Diagram ..................................................... 246
. K
Diagnosis Procedure ............................................ 190 . Diagnosis Procedure ............................................ 246 .
Component Inspection .......................................... 248 .
P0132 A/F SENSOR 1 ..................................... 193
.
Description ........................................................... 193
. P0222, P0223 TP SENSOR ............................ 249 L
DTC Logic ............................................................ 193
. Description ............................................................ 249
.
Wiring Diagram .................................................... 195
. DTC Logic ............................................................. 249
.
Diagnosis Procedure ............................................ 195 . Wiring Diagram ..................................................... 250
. M
Diagnosis Procedure ............................................ 250 .
P0133 A/F SENSOR 1 ..................................... 198
. Component Inspection .......................................... 252 .
Description ........................................................... 198
. Special Repair Requirement ................................. 252 .
DTC Logic ............................................................ 198
. N
Wiring Diagram .................................................... 200
. P0300, P0301, P0302, P0303, P0304 MIS-
Diagnosis Procedure ............................................ 201 . FIRE ................................................................. 253
DTC Logic ............................................................. 253
. O
P0137 HO2S2 .................................................. 204
. Diagnosis Procedure ............................................ 254 .
Description ........................................................... 204
.
DTC Logic ............................................................ 204
. P0327, P0328 KS ............................................ 259
Component Function Check ................................. 205 . P
Description ............................................................ 259
.
Wiring Diagram .................................................... 207
. DTC Logic ............................................................. 259
.
Diagnosis Procedure ............................................ 207 . Wiring Diagram ..................................................... 260
.
Component Inspection ......................................... 209 . Diagnosis Procedure ............................................ 260 .
Component Inspection .......................................... 261 .
P0138 HO2S2 .................................................. 212
.
Description ........................................................... 212
. P0335 CKP SENSOR (POS) ........................... 263
DTC Logic ............................................................ 212
. Description ............................................................ 263
.
Revision: October 2008 EC-3 2009 Versa
DTC Logic .............................................................263
. P0451 EVAP CONTROL SYSTEM PRES-
Wiring Diagram .....................................................264
. SURE SENSOR ............................................... 312
.
Diagnosis Procedure ............................................265 . Description ........................................................... 312
.
Component Inspection ..........................................267 . DTC Logic ............................................................ 312
.
Diagnosis Procedure ............................................ 312 .
P0340 CMP SENSOR (PHASE) ..................... 268
. Component Inspection ......................................... 314 .
Description ............................................................268
.
DTC Logic .............................................................268
. P0452 EVAP CONTROL SYSTEM PRES-
Wiring Diagram .....................................................270
. SURE SENSOR ............................................... 315
.
Diagnosis Procedure ............................................270 . Description ........................................................... 315
.
Component Inspection ..........................................272 . DTC Logic ............................................................ 315
.
Wiring Diagram .................................................... 317
.
P0420 THREE WAY CATALYST FUNCTION . 273
Diagnosis Procedure ............................................ 317 .
DTC Logic .............................................................273
.
Component Inspection ......................................... 320 .
Component Function Check .................................274 .
Diagnosis Procedure ............................................275 . P0453 EVAP CONTROL SYSTEM PRES-
P0441 EVAP CONTROL SYSTEM ................. 278
. SURE SENSOR ............................................... 322
.
Description ........................................................... 322
.
DTC Logic .............................................................278
.
DTC Logic ............................................................ 322
.
Component Function Check .................................279 .
Diagnosis Procedure ............................................280 . Wiring Diagram .................................................... 324
.
Component Inspection (Drain filter) ......................283 . Diagnosis Procedure ............................................ 324 .
Component Inspection ......................................... 328 .
P0442 EVAP CONTROL SYSTEM ................. 284
.
DTC Logic .............................................................284
.
P0455 EVAP CONTROL SYSTEM ................. 329
.
Diagnosis Procedure ............................................285 . DTC Logic ............................................................ 329
.
Component Inspection (Fuel filler cap) .................289 . Diagnosis Procedure ............................................ 330 .
Component Inspection (Drain filter) ......................289 . Component Inspection (Fuel filler cap) ................ 333 .
Component Inspection (Drain filter) ..................... 334 .
P0443 EVAP CANISTER PURGE VOLUME
P0456 EVAP CONTROL SYSTEM ................. 335
.
CONTROL SOLENOID VALVE ...................... 291
.
DTC Logic ............................................................ 335
.
Description ............................................................291
.
Component Function Check ................................ 337 .
DTC Logic .............................................................291
.
Diagnosis Procedure ............................................ 337 .
Wiring Diagram .....................................................293
.
Component Inspection (Fuel filler cap) ................ 340 .
Diagnosis Procedure ............................................293 .
Component Inspection (Drain filter) ..................... 341 .
Component Inspection ..........................................296 .
P0460 FUEL LEVEL SENSOR ........................ 342
.
P0444, P0445 EVAP CANISTER PURGE
Description ........................................................... 342
.
VOLUME CONTROL SOLENOID VALVE ..... 297
. DTC Logic ............................................................ 342
.
Description ............................................................297
.
Diagnosis Procedure ............................................ 342 .
DTC Logic .............................................................297
.
Wiring Diagram .....................................................298
. P0461 FUEL LEVEL SENSOR ........................ 343
.
Diagnosis Procedure ............................................298 . Description ........................................................... 343
.
Component Inspection ..........................................300 . DTC Logic ............................................................ 343
.
Component Function Check ................................ 343 .
P0447 EVAP CANISTER VENT CONTROL Diagnosis Procedure ............................................ 344 .
VALVE ............................................................ 301
.
Description ............................................................301
. P0462, P0463 FUEL LEVEL SENSOR ........... 345
.
DTC Logic .............................................................301
. Description ........................................................... 345
.
Wiring Diagram .....................................................302
. DTC Logic ............................................................ 345
.
Diagnosis Procedure ............................................302 . Diagnosis Procedure ............................................ 345 .
Component Inspection ..........................................304 .
P0500 VSS ....................................................... 347
.
P0448 EVAP CANISTER VENT CONTROL Description ........................................................... 347
.
VALVE ............................................................ 306
. DTC Logic ............................................................ 347
.
Description ............................................................306
. Component Function Check ................................ 348 .
DTC Logic .............................................................306
. Diagnosis Procedure ............................................ 348 .
Wiring Diagram .....................................................308
.
Diagnosis Procedure ............................................308 . P0506 ISC SYSTEM ........................................ 349
.
Component Inspection ..........................................310 . Description ........................................................... 349
.
DTC Logic ............................................................ 349
.
Revision: October 2008 EC-4 2009 Versa
Diagnosis Procedure ............................................ 349
. DTC Logic ............................................................. 378
.
Diagnosis Procedure ............................................ 378 . A
P0507 ISC SYSTEM ........................................ 351
.
Description ........................................................... 351
. P1805 BRAKE SWITCH ................................. 380
DTC Logic ............................................................ 351
. Description ............................................................ 380
.
Diagnosis Procedure ............................................ 351 . DTC Logic ............................................................. 380
. EC
Wiring Diagram ..................................................... 381
.
P0603 ECM POWER SUPPLY ........................ 353
. Diagnosis Procedure ............................................ 381 .
Description ........................................................... 353
. Component Inspection (Stop Lamp Switch) ......... 383 . C
DTC Logic ............................................................ 353
.
Diagnosis Procedure ............................................ 353 . P2100, P2103 THROTTLE CONTROL MO-
TOR RELAY .................................................... 384 D
P0605 ECM ...................................................... 355
. Description ............................................................ 384
.
Description ........................................................... 355
. DTC Logic ............................................................. 384
.
DTC Logic ............................................................ 355
. Wiring Diagram ..................................................... 385
.
Diagnosis Procedure ............................................ 356 . Diagnosis Procedure ............................................ 385 . E
P0607 ECM ...................................................... 357
. P2101 ELECTRIC THROTTLE CONTROL
Description ........................................................... 357
. FUNCTION ...................................................... 388
DTC Logic ............................................................ 357
. F
Description ............................................................ 388
.
Diagnosis Procedure ............................................ 357 .
DTC Logic ............................................................. 388
.
P0643 SENSOR POWER SUPPLY ................ 358
. Wiring Diagram ..................................................... 389
.
G
DTC Logic ............................................................ 358
. Diagnosis Procedure ............................................ 389 .
Wiring Diagram .................................................... 359
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