Nissan Terrano r20e. Manual — part 91

ENGINE CONTROL SYSTEM

SECTION

EC

CONTENTS

ZD30DDTi

TROUBLE DIAGNOSIS - INDEX

. . . . . . . . . 7

Alphabetical & Numerical Index for DTC . . . . . 7

PRECAUTIONS

. . . . . . . . . . . . . . . ...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

BASIC SERVICE PROCEDURE

. . . . . . . . ...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

. . . . ..46

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

DTC 0102 MASS AIR FLOW SEN

. . . . . . . . 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

DTC 0103 COOLANT TEMP SEN

. . . . . . . . 95

Description . . . . . . . . . . . . . . . . .95
On Board Diagnosis Logic. . . . . . . . . . .95
DTC Confirmation Procedure . . . . . . . . . 95
Wiring Diagram . . . . . . . . . . . . . . ..96
Diagnostic Procedure . . . . . . . . . . . . 97

DTC 0104 VEHICLE SPEED SEN

. . . . . . . . 99

Description . . . . . . . . . . . . . . . . .99
ECM Terminals and Reference Value . . . . . ...99
On Board Diagnosis Logic. . . . . . . . . . .99
Overall Function Check . . . . . . . . . . ...100
Wiring Diagram . . . . . . . . . . . . . . 101
Diagnostic Procedure . . . . . . . . . . . ..103

DTC 0203 ACCEL POS SW (F/C)

. . . . . . . ..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

DTC 0208 OVER HEAT

. . . . . . . . . . . ...109

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

DTC 0402 P9

⋅

FUEL TEMP SEN

. . . . . . . . .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

DTC 0403 ACCEL POS SENSOR

. . . . . . . ..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

DTC 0406 INT AIR VOL

. . . . . . . . . . . ..143

On Board Diagnosis Logic. . . . . . . . . ...143
DTC Confirmation Procedure . . . . . . . . ..143
Diagnostic Procedure . . . . . . . . . . . ..144

DTC 0407 CRANK POS SEN (TDC)

. . . . . . ..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

DTC 0502 BATTERY VOLTAGE

. . . . . . . . .153

On Board Diagnosis Logic. . . . . . . . . ...153
DTC Confirmation Procedure . . . . . . . . ..153

Diagnostic Procedure . . . . . . . . . . . ..153

DTC 0504 A/T COMM LINE

. . . . . . . . . . 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

DTC 0701 P1

⋅

CAM POS SEN

. . . . . . . . . .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

DTC 0702 P2

⋅

TDC PULSE SIG

. . . . . . . . ..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

DTC 0703 P3

⋅

PUMP COMM LINE

. . . . . . . ..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

DTC 0704 P4

⋅

SPILL/V CIRC, DTC 0706 P6

⋅

SPILL

VALVE

. . . . . . . . . . . . . . . . . . ..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

DTC 0705 P5

⋅

PUMP C/MODULE

. . . . . . . . 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

DTC 0707 P7

⋅

F/INJ TIMG FB

. . . . . . . . . .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

DTC 0802 ECM 10

. . . . . . . . . . . . . ...200

Description . . . . . . . . . . . . . . . ...200
On Board Diagnosis Logic. . . . . . . . . ...200
DTC Confirmation Procedure . . . . . . . . ..200
Diagnostic Procedure . . . . . . . . . . . ..201

DTC 0804 ECM 11

. . . . . . . . . . . . . ...202

Description . . . . . . . . . . . . . . . ...202
On Board Diagnosis Logic. . . . . . . . . ...202
DTC Confirmation Procedure . . . . . . . . ..202
Diagnostic Procedure . . . . . . . . . . . ..203

DTC 0807 ECM 14

. . . . . . . . . . . . . ...204

Description . . . . . . . . . . . . . . . ...204
ECM Terminals and Reference Value . . . . . .204
On Board Diagnosis Logic. . . . . . . . . ...204
DTC Confirmation Procedure . . . . . . . . ..204
Wiring Diagram . . . . . . . . . . . . . . 205
Diagnostic Procedure . . . . . . . . . . . ..206

DTC 0902 ECM RLY

. . . . . . . . . . . . . 209

ECM Terminals and Reference Value . . . . . .209
On Board Diagnosis Logic. . . . . . . . . ...209
DTC Confirmation Procedure . . . . . . . . ..209
Wiring Diagram . . . . . . . . . . . . . . 210
Diagnostic Procedure . . . . . . . . . . . .. 211

DTC 0903 ECM 15

. . . . . . . . . . . . . ...213

Description . . . . . . . . . . . . . . . ...213
On Board Diagnosis Logic. . . . . . . . . ...213
DTC Confirmation Procedure . . . . . . . . ..213
Diagnostic Procedure . . . . . . . . . . . ..214

DTC 0905 TURBO PRESSURE

. . . . . . . . ..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

DTC 1003 EGR VOLUME CONT/V

. . . . . . . .222

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

DTC 1004 FUEL CUT SYSTEM1

. . . . . . . . 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

GLOW CONTROL SYSTEM

. . . . . . . . . ...239

Description . . . . . . . . . . . . . . . ...239
ECM Terminals and Reference Value . . . . . .240
Wiring Diagram . . . . . . . . . . . . . . 241
Diagnostic Procedure . . . . . . . . . . . ..242

START SIGNAL

. . . . . . . . . . . . . . ...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

HEAT UP SWITCH

. . . . . . . . . . . . . ..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

AIR CONDITIONER CONTROL

. . . . . . . . ..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

TROUBLE DIAGNOSIS - INDEX

. . . . . . . . 293

Alphabetical & Numerical Index for DTC . . . . 293

PRECAUTIONS AND PREPARATION

. . . . . . 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

CRANKCASE VENTILATION SYSTEM

. . . . . ..312

Description . . . . . . . . . . . . . . . ...312
Blow-by Control Valve . . . . . . . . . . . .312
Ventilation Hose. . . . . . . . . . . . . ...312

INJECTION NOZZLE

. . . . . . . . . . . . ...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

TROUBLE DIAGNOSES

. . . . . . . . . . . .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

DTC P0100 MASS AIR FLOW SEN

. . . . . . ...356

Component Description . . . . . . . . . . ...356
On Board Diagnosis Logic. . . . . . . . . ...356
DTC Confirmation Procedure . . . . . . . . ..356
Wiring Diagram . . . . . . . . . . . . . . 357
Diagnostic Procedure . . . . . . . . . . . ..359
Component Inspection. . . . . . . . . . . .360

DTC P0115 COOLANT TEMP SEN

. . . . . . . 361

Component Description . . . . . . . . . . ...361
On Board Diagnosis Logic. . . . . . . . . ...361
DTC Confirmation Procedure . . . . . . . . ..361
Wiring Diagram . . . . . . . . . . . . . . 362
Diagnostic Procedure . . . . . . . . . . . ..363
Component Inspection. . . . . . . . . . . .364

DTC P0120 ACCEL POS SENSOR

. . . . . . . 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

DTC P0180 FUEL TEMP SENSOR

. . . . . . . 372

Component Description . . . . . . . . . . ...372
On Board Diagnosis Logic. . . . . . . . . ...372
DTC Confirmation Procedure . . . . . . . . ..372

CONTENTS

(Cont’d)

EC-4