Nissan Terrano r20e. Instruction — part 91
ENGINE CONTROL SYSTEM
CONTENTS
ZD30DDTi
. . . . . . . . . 7
Alphabetical & Numerical Index for DTC . . . . . 7
. . . . . . . . . . . . . . . ...9
Precautions . . . . . . . . . . . . . . . . ..9
ENGINE AND EMISSION CONTROL OVERALL
SYSTEM
. . . . . . . . . . . . . . . . . . .12
Engine Control Component Parts Location. . . ...12
Circuit Diagram . . . . . . . . . . . . . . ..16
System Diagram . . . . . . . . . . . . . . 17
Vacuum Hose Drawing . . . . . . . . . . . ..18
System Chart . . . . . . . . . . . . . . . .19
ENGINE AND EMISSION BASIC CONTROL
SYSTEM DESCRIPTION
. . . . . . . . . . . ...20
Fuel Injection Control System . . . . . . . . ...20
Fuel Injection Timing Control System. . . . . . 22
Air Conditioning Cut Control. . . . . . . . . ..22
Fuel Cut Control (at no load & high engine
speed) . . . . . . . . . . . . . . . . . . 22
Crankcase Ventilation System. . . . . . . . ...23
. . . . . . . . ...24
Injection Tube and Injection Nozzle . . . . . . ..24
Electronic Control Fuel Injection Pump . . . . . .27
Air Bleeding . . . . . . . . . . . . . . . ...32
ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION
. . . . . . . . . . . . . . . ...33
DTC and MI Detection Logic . . . . . . . . . .33
Diagnostic Trouble Code (DTC) . . . . . . . . 33
Malfunction Indicator (MI) . . . . . . . . . . ..34
CONSULT-II . . . . . . . . . . . . . . . ...39
TROUBLE DIAGNOSIS - INTRODUCTION
Introduction . . . . . . . . . . . . . . . . 46
Work Flow. . . . . . . . . . . . . . . . ..48
TROUBLE DIAGNOSIS - BASIC INSPECTION
. . ...50
Basic Inspection. . . . . . . . . . . . . . .50
TROUBLE DIAGNOSIS - GENERAL
DESCRIPTION
. . . . . . . . . . . . . . . ...56
Symptom Matrix Chart. . . . . . . . . . . ...56
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . ..66
Major Sensor Reference Graph in Data Monitor
Mode . . . . . . . . . . . . . . . . . . ..68
ECM Terminals and Reference Value . . . . . ...69
TROUBLE DIAGNOSIS FOR INTERMITTENT
INCIDENT
. . . . . . . . . . . . . . . . . ...78
Description . . . . . . . . . . . . . . . . .78
Diagnostic Procedure . . . . . . . . . . . . 78
TROUBLE DIAGNOSIS FOR POWER SUPPLY
. . ..79
Main Power Supply and Ground Circuit. . . . . 79
. . . . . . . . 88
Component Description . . . . . . . . . . . .88
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . ..88
ECM Terminals and Reference Value . . . . . ...88
On Board Diagnosis Logic. . . . . . . . . . .88
DTC Confirmation Procedure . . . . . . . . . 89
Wiring Diagram . . . . . . . . . . . . . . ..90
Diagnostic Procedure . . . . . . . . . . . . 92
. . . . . . . . 95
Description . . . . . . . . . . . . . . . . .95
On Board Diagnosis Logic. . . . . . . . . . .95
DTC Confirmation Procedure . . . . . . . . . 95
Wiring Diagram . . . . . . . . . . . . . . ..96
Diagnostic Procedure . . . . . . . . . . . . 97
. . . . . . . . 99
Description . . . . . . . . . . . . . . . . .99
ECM Terminals and Reference Value . . . . . ...99
On Board Diagnosis Logic. . . . . . . . . . .99
Overall Function Check . . . . . . . . . . ...100
Wiring Diagram . . . . . . . . . . . . . . 101
Diagnostic Procedure . . . . . . . . . . . ..103
. . . . . . . ..104
Description . . . . . . . . . . . . . . . ...104
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 104
ECM Terminals and Reference Value . . . . . .104
On Board Diagnosis Logic. . . . . . . . . ...104
DTC Confirmation Procedure . . . . . . . . ..105
Wiring Diagram . . . . . . . . . . . . . . 106
Diagnostic Procedure . . . . . . . . . . . ..107
Description . . . . . . . . . . . . . . . ...109
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 109
ECM Terminals and Reference Value . . . . . . 110
On Board Diagnosis Logic. . . . . . . . . ... 110
Overall Function Check . . . . . . . . . . ... 111
Wiring Diagram . . . . . . . . . . . . . . 112
Diagnostic Procedure . . . . . . . . . . . .. 114
Main 12 Causes of Overheating. . . . . . . ..120
DTC 0301 ECM 2, DTC 0901 ECM 12
. . . . . ...121
Description . . . . . . . . . . . . . . . ...121
On Board Diagnosis Logic. . . . . . . . . ...121
DTC Confirmation Procedure . . . . . . . . ..121
Diagnostic Procedure . . . . . . . . . . . ..122
. . . . . . . . .123
Description . . . . . . . . . . . . . . . ...123
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 124
ECM Terminals and Reference Value . . . . . .124
On Board Diagnosis Logic. . . . . . . . . ...124
DTC Confirmation Procedure . . . . . . . . ..125
Wiring Diagram . . . . . . . . . . . . . . 126
Diagnostic Procedure . . . . . . . . . . . ..128
. . . . . . . ..130
Description . . . . . . . . . . . . . . . ...130
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 130
ECM Terminals and Reference Value . . . . . .131
On Board Diagnosis Logic. . . . . . . . . ...131
DTC Confirmation Procedure . . . . . . . . ..132
Wiring Diagram . . . . . . . . . . . . . . 133
Diagnostic Procedure . . . . . . . . . . . ..135
. . . . . . . . . . . ..143
On Board Diagnosis Logic. . . . . . . . . ...143
DTC Confirmation Procedure . . . . . . . . ..143
Diagnostic Procedure . . . . . . . . . . . ..144
. . . . . . ..145
Description . . . . . . . . . . . . . . . ...145
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 145
ECM Terminals and Reference Value . . . . . .145
On Board Diagnosis Logic. . . . . . . . . ...146
DTC Confirmation Procedure . . . . . . . . ..146
Wiring Diagram . . . . . . . . . . . . . . 147
Diagnostic Procedure . . . . . . . . . . . ..149
. . . . . . . . .153
On Board Diagnosis Logic. . . . . . . . . ...153
DTC Confirmation Procedure . . . . . . . . ..153
Diagnostic Procedure . . . . . . . . . . . ..153
. . . . . . . . . . 155
System Description. . . . . . . . . . . . ..155
ECM Terminals and Reference Value . . . . . .155
On Board Diagnosis Logic. . . . . . . . . ...155
DTC Confirmation Procedure . . . . . . . . ..156
Overall Function Check . . . . . . . . . . ...156
Wiring Diagram . . . . . . . . . . . . . . 157
Diagnostic Procedure . . . . . . . . . . . ..159
. . . . . . . . . .161
Description . . . . . . . . . . . . . . . ...161
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 162
ECM Terminals and Reference Value . . . . . .162
On Board Diagnosis Logic. . . . . . . . . ...162
DTC Confirmation Procedure . . . . . . . . ..163
Wiring Diagram . . . . . . . . . . . . . . 164
Diagnostic Procedure . . . . . . . . . . . ..166
. . . . . . . . ..168
Description . . . . . . . . . . . . . . . ...168
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 169
ECM Terminals and Reference Value . . . . . .169
On Board Diagnosis Logic. . . . . . . . . ...169
DTC Confirmation Procedure . . . . . . . . ..170
Wiring Diagram . . . . . . . . . . . . . . 171
Diagnostic Procedure . . . . . . . . . . . ..173
. . . . . . . ..175
Description . . . . . . . . . . . . . . . ...175
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 176
ECM Terminals and Reference Value . . . . . .176
On Board Diagnosis Logic. . . . . . . . . ...176
DTC Confirmation Procedure . . . . . . . . ..177
Wiring Diagram . . . . . . . . . . . . . . 178
Diagnostic Procedure . . . . . . . . . . . ..180
. . . . . . . . . . . . . . . . . . ..182
Description . . . . . . . . . . . . . . . ...182
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 183
ECM Terminals and Reference Value . . . . . .183
On Board Diagnosis Logic. . . . . . . . . ...183
DTC Confirmation Procedure . . . . . . . . ..184
Wiring Diagram . . . . . . . . . . . . . . 185
Diagnostic Procedure . . . . . . . . . . . ..187
. . . . . . . . 189
Description . . . . . . . . . . . . . . . ...189
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 190
ECM Terminals and Reference Value . . . . . .190
On Board Diagnosis Logic. . . . . . . . . ...190
CONTENTS
(Cont’d)
EC-2
DTC Confirmation Procedure . . . . . . . . ..191
Diagnostic Procedure . . . . . . . . . . . ..191
. . . . . . . . . .192
Description . . . . . . . . . . . . . . . ...192
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 193
ECM Terminals and Reference Value . . . . . .193
On Board Diagnosis Logic. . . . . . . . . ...193
DTC Confirmation Procedure . . . . . . . . ..194
Wiring Diagram . . . . . . . . . . . . . . 195
Diagnostic Procedure . . . . . . . . . . . ..197
. . . . . . . . . . . . . ...200
Description . . . . . . . . . . . . . . . ...200
On Board Diagnosis Logic. . . . . . . . . ...200
DTC Confirmation Procedure . . . . . . . . ..200
Diagnostic Procedure . . . . . . . . . . . ..201
. . . . . . . . . . . . . ...202
Description . . . . . . . . . . . . . . . ...202
On Board Diagnosis Logic. . . . . . . . . ...202
DTC Confirmation Procedure . . . . . . . . ..202
Diagnostic Procedure . . . . . . . . . . . ..203
. . . . . . . . . . . . . ...204
Description . . . . . . . . . . . . . . . ...204
ECM Terminals and Reference Value . . . . . .204
On Board Diagnosis Logic. . . . . . . . . ...204
DTC Confirmation Procedure . . . . . . . . ..204
Wiring Diagram . . . . . . . . . . . . . . 205
Diagnostic Procedure . . . . . . . . . . . ..206
. . . . . . . . . . . . . 209
ECM Terminals and Reference Value . . . . . .209
On Board Diagnosis Logic. . . . . . . . . ...209
DTC Confirmation Procedure . . . . . . . . ..209
Wiring Diagram . . . . . . . . . . . . . . 210
Diagnostic Procedure . . . . . . . . . . . .. 211
. . . . . . . . . . . . . ...213
Description . . . . . . . . . . . . . . . ...213
On Board Diagnosis Logic. . . . . . . . . ...213
DTC Confirmation Procedure . . . . . . . . ..213
Diagnostic Procedure . . . . . . . . . . . ..214
. . . . . . . . ..215
Component Description . . . . . . . . . . ...215
ECM Terminals and Reference Value . . . . . .215
On Board Diagnosis Logic. . . . . . . . . ...215
DTC Confirmation Procedure . . . . . . . . ..216
Wiring Diagram . . . . . . . . . . . . . . 217
Diagnostic Procedure . . . . . . . . . . . ..219
Description . . . . . . . . . . . . . . . ...222
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 223
ECM Terminals and Reference Value . . . . . .223
On Board Diagnosis Logic. . . . . . . . . ...223
DTC Confirmation Procedure . . . . . . . . ..224
Wiring Diagram . . . . . . . . . . . . . . 225
Diagnostic Procedure . . . . . . . . . . . ..227
. . . . . . . . 232
Description . . . . . . . . . . . . . . . ...232
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 233
ECM Terminals and Reference Value . . . . . .233
On Board Diagnosis Logic. . . . . . . . . ...233
DTC Confirmation Procedure . . . . . . . . ..234
Wiring Diagram . . . . . . . . . . . . . . 235
Diagnostic Procedure . . . . . . . . . . . ..237
. . . . . . . . . ...239
Description . . . . . . . . . . . . . . . ...239
ECM Terminals and Reference Value . . . . . .240
Wiring Diagram . . . . . . . . . . . . . . 241
Diagnostic Procedure . . . . . . . . . . . ..242
. . . . . . . . . . . . . . ...248
Wiring Diagram . . . . . . . . . . . . . . 248
Diagnostic Procedure . . . . . . . . . . . ..249
PARK/NEUTRAL POSITION (PNP) SWITCH
. . . .251
Description . . . . . . . . . . . . . . . ...251
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 251
ECM Terminals and Reference Value . . . . . .251
Wiring Diagram . . . . . . . . . . . . . . 252
Diagnostic Procedure . . . . . . . . . . . ..253
. . . . . . . . . . . . . ..258
Component Description . . . . . . . . . . ...258
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 258
ECM Terminals and Reference Value . . . . . .258
Wiring Diagram . . . . . . . . . . . . . . 259
Diagnostic Procedure . . . . . . . . . . . ..260
SWIRL CONTROL VALVE CONTROL SOLENOID
VALVE
. . . . . . . . . . . . . . . . . . ..263
Description . . . . . . . . . . . . . . . ...263
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 264
ECM Terminals and Reference Value . . . . . .264
Wiring Diagram . . . . . . . . . . . . . . 265
Diagnostic Procedure . . . . . . . . . . . ..266
INTAKE AIR CONTROL VALVE CONTROL
SOLENOID VALVE
. . . . . . . . . . . . . ..273
Description . . . . . . . . . . . . . . . ...273
Operation . . . . . . . . . . . . . . . . .273
ECM Terminals and Reference Value . . . . . .273
Wiring Diagram . . . . . . . . . . . . . . 274
Diagnostic Procedure . . . . . . . . . . . ..275
VARIABLE NOZZLE TURBOCHARGER
CONTROL SOLENOID VALVE
. . . . . . . . ...281
Description . . . . . . . . . . . . . . . ...281
CONTENTS
(Cont’d)
EC-3
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 281
ECM Terminals and Reference Value . . . . . .282
Wiring Diagram . . . . . . . . . . . . . . 283
Diagnostic Procedure . . . . . . . . . . . ..284
. . . . . . . . ..289
Wiring Diagram . . . . . . . . . . . . . . 289
MI (MIL) & DATA LINK CONNECTORS
. . . . . .291
Wiring Diagram . . . . . . . . . . . . . . 291
SERVICE DATA AND SPECIFICATIONS (SDS)
. . 292
General Specifications. . . . . . . . . . . .292
Injection Pump Numbers . . . . . . . . . . .292
Injection Nozzle . . . . . . . . . . . . . ...292
Engine Coolant Temperature Sensor . . . . . ..292
Crankshaft Position Sensor (TDC) . . . . . . ..292
Glow Plug . . . . . . . . . . . . . . . . 292
Accelerator Position Sensor . . . . . . . . . 292
EGR Volume Control Valve . . . . . . . . . .292
TD27Ti
. . . . . . . . 293
Alphabetical & Numerical Index for DTC . . . . 293
. . . . . . 295
Special Service Tools . . . . . . . . . . . ..295
Engine Fuel & Emission Control System . . . . 297
Precautions . . . . . . . . . . . . . . . ..298
ENGINE AND EMISSION CONTROL OVERALL
SYSTEM
. . . . . . . . . . . . . . . . . ...300
Engine Control Component Parts Location. . . .300
Circuit Diagram . . . . . . . . . . . . . . 302
System Diagram . . . . . . . . . . . . . ..303
Vacuum Hose Drawing . . . . . . . . . . . 304
System Chart . . . . . . . . . . . . . . ...305
ENGINE AND EMISSION BASIC CONTROL
SYSTEM DESCRIPTION
. . . . . . . . . . . .306
Fuel Injection System . . . . . . . . . . . ..306
Fuel Injection Timing System . . . . . . . . ..309
Air Conditioning Cut Control. . . . . . . . . 311
Fuel Cut Control (at high engine speed). . . . . 311
Glow Control . . . . . . . . . . . . . . . 311
. . . . . ..312
Description . . . . . . . . . . . . . . . ...312
Blow-by Control Valve . . . . . . . . . . . .312
Ventilation Hose. . . . . . . . . . . . . ...312
. . . . . . . . . . . . ...313
Removal and Installation . . . . . . . . . . .313
Disassembly (No. 2 - 4 nozzle) . . . . . . . ...313
Inspection (No. 2 - 4 nozzle) . . . . . . . . ...314
Cleaning (No. 2 - 4 nozzle) . . . . . . . . . .314
Assembly (No. 2 - 4 nozzle). . . . . . . . . 315
Test and Adjustment . . . . . . . . . . . . 316
ELECTRONIC FUEL INJECTION PUMP
. . . . . 318
Removal. . . . . . . . . . . . . . . . ...318
Installation. . . . . . . . . . . . . . . . 319
Disassembly and Assembly. . . . . . . . . .320
ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION
. . . . . . . . . . . . . . . .321
DTC and MI Detection Logic . . . . . . . . ...321
Diagnostic Trouble Code (DTC) . . . . . . . ..321
Malfunction Indicator (MI) . . . . . . . . . . 322
CONSULT-II . . . . . . . . . . . . . . . .327
. . . . . . . . . . . .334
Introduction . . . . . . . . . . . . . . . ..334
Diagnostic Worksheet. . . . . . . . . . . ..335
Work Flow. . . . . . . . . . . . . . . . 336
Description for Work Flow . . . . . . . . . ...337
Basic Inspection. . . . . . . . . . . . . ...338
Symptom Matrix Chart. . . . . . . . . . . .340
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 343
Major Sensor Reference Graph in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 345
ECM Terminals and Reference Value . . . . . .346
TROUBLE DIAGNOSIS FOR POWER SUPPLY
. . 352
Wiring Diagram . . . . . . . . . . . . . . 352
Diagnostic Procedure . . . . . . . . . . . ..353
. . . . . . ...356
Component Description . . . . . . . . . . ...356
On Board Diagnosis Logic. . . . . . . . . ...356
DTC Confirmation Procedure . . . . . . . . ..356
Wiring Diagram . . . . . . . . . . . . . . 357
Diagnostic Procedure . . . . . . . . . . . ..359
Component Inspection. . . . . . . . . . . .360
. . . . . . . 361
Component Description . . . . . . . . . . ...361
On Board Diagnosis Logic. . . . . . . . . ...361
DTC Confirmation Procedure . . . . . . . . ..361
Wiring Diagram . . . . . . . . . . . . . . 362
Diagnostic Procedure . . . . . . . . . . . ..363
Component Inspection. . . . . . . . . . . .364
. . . . . . . 365
Component Description . . . . . . . . . . ...365
On Board Diagnosis Logic. . . . . . . . . ...365
DTC Confirmation Procedure A (For General
Plausibility). . . . . . . . . . . . . . . ...365
DTC Confirmation Procedure B (For Accelerator
Sticking) . . . . . . . . . . . . . . . . ...366
Wiring Diagram . . . . . . . . . . . . . . 367
Diagnostic Procedure . . . . . . . . . . . ..368
Component Inspection. . . . . . . . . . . .371
. . . . . . . 372
Component Description . . . . . . . . . . ...372
On Board Diagnosis Logic. . . . . . . . . ...372
DTC Confirmation Procedure . . . . . . . . ..372
CONTENTS
(Cont’d)
EC-4
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