1999 NISSAN PRIMERA diagram

YEC077A
ELECTRICAL LOAD SIGNALQG16I18DE
Wiring Diagram (Cont'd)
EC-353

Wiring DiagramNCEC0466
YEC078A
MI & DATA LINK CONNECTORSQG16I18DE
Wiring Diagram
EC-354

ENGINE CONTROL SYSTEM
SECTION
EC
CONTENTS
SR20DE
TROUBLE DIAGNOSIS - INDEX....................................6
Alphabetical & P No. Index for DTC ...........................6
PRECAUTIONS.............................................................10
Supplemental Restraint System (SRS)²AIR
BAG²and²SEAT BELT PRE-TENSIONER².............10
Precautions for On Board Diagnostic (OBD)
System of Engine and CVT .......................................10
Engine Fuel & Emission Control System .................. 11
Precautions ................................................................12
Wiring Diagrams and Trouble Diagnosis ...................13
PREPARATION.............................................................14
Special Service Tools ................................................14
Commercial Service Tool ...........................................14
ENGINE AND EMISSION CONTROL OVERALL
SYSTEM.........................................................................15
Engine Control Component Parts Location ...............15
Circuit Diagram ..........................................................19
System Diagram ........................................................20
Vacuum Hose Drawing ..............................................21
System Chart .............................................................22
ENGINE AND EMISSION BASIC CONTROL
SYSTEM DESCRIPTION...............................................23
Multiport Fuel Injection (MFI) System .......................23
Distributor Ignition (DI) System .................................25
Air Conditioning Cut Control ......................................26
Fuel Cut Control (at no load & high engine
speed) ........................................................................27
Evaporative Emission System ...................................27
Positive Crankcase Ventilation ..................................30
BASIC SERVICE PROCEDURE...................................31
Fuel Pressure Release ..............................................31
Fuel Pressure Check .................................................31
Fuel Pressure Regulator Check ................................32
Injector .......................................................................32
Idle Speed/Ignition Timing/Idle Mixture Ratio
Adjustment .................................................................34Idle Air Volume Learning ...........................................46
ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION...............................................................48
Introduction ................................................................48
Two Trip Detection Logic ...........................................48
Emission-related Diagnostic Information ...................49
Malfunction Indicator (MI) ..........................................58
OBD System Operation Chart ...................................63
CONSULT-II ...............................................................68
Generic Scan Tool (GST) ..........................................78
TROUBLE DIAGNOSIS - INTRODUCTION..................80
Introduction ................................................................80
Work Flow ..................................................................82
TROUBLE DIAGNOSIS - BASIC INSPECTION...........84
Basic Inspection.........................................................84
TROUBLE DIAGNOSIS - GENERAL
DESCRIPTION...............................................................92
DTC Inspection Priority Chart....................................92
Fail-safe Chart ...........................................................93
Symptom Matrix Chart ...............................................94
CONSULT-II Reference Value in Data Monitor
Mode ..........................................................................98
Major Sensor Reference Graph in Data Monitor
Mode ........................................................................100
ECM Terminals and Reference Value .....................103
TROUBLE DIAGNOSIS - SPECIFICATION VALUE.. 110
Description ............................................................... 110
Testing Condition ..................................................... 110
Inspection Procedure ............................................... 110
Diagnostic Procedure .............................................. 111
TROUBLE DIAGNOSIS FOR INTERMITTENT
INCIDENT..................................................................... 114
Description ............................................................... 114
Diagnostic Procedure .............................................. 114
TROUBLE DIAGNOSIS FOR POWER SUPPLY........ 115
Main Power Supply and Ground Circuit .................. 115
EC

DTC P0100 MASS AIR FLOW SENSOR (MAFS)......120
Component Description ...........................................120
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................120
ECM Terminals and Reference Value .....................120
On Board Diagnosis Logic.......................................120
DTC Confirmation Procedure ..................................121
Wiring Diagram ........................................................122
Diagnostic Procedure ..............................................123
Component Inspection .............................................126
DTC P0110 INTAKE AIR TEMPERATURE
SENSOR......................................................................127
Component Description ...........................................127
On Board Diagnosis Logic.......................................127
DTC Confirmation Procedure ..................................127
Wiring Diagram ........................................................128
Diagnostic Procedure ..............................................129
Component Inspection .............................................131
DTC P0115 ENGINE COOLANT TEMPERATURE
SENSOR (ECTS) (CIRCUIT).......................................132
Component Description ...........................................132
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................132
On Board Diagnosis Logic.......................................132
DTC Confirmation Procedure ..................................133
Wiring Diagram ........................................................134
Diagnostic Procedure ..............................................135
Component Inspection .............................................136
DTC P0120 THROTTLE POSITION SENSOR...........137
Component Description ...........................................137
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................137
ECM Terminals and Reference Value .....................138
On Board Diagnosis Logic.......................................138
DTC Confirmation Procedure ..................................138
Wiring Diagram ........................................................140
Diagnostic Procedure ..............................................141
Component Inspection .............................................142
DTC P0130 HEATED OXYGEN SENSOR 1
(FRONT) (CIRCUIT).....................................................144
Component Description ...........................................144
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................144
ECM Terminals and Reference Value .....................144
On Board Diagnosis Logic.......................................145
DTC Confirmation Procedure ..................................145
Overall Function Check ...........................................146
Wiring Diagram ........................................................147
Diagnostic Procedure ..............................................148
Component Inspection .............................................149DTC P0131 HEATED OXYGEN SENSOR 1
(FRONT) (LEAN SHIFT MONITORING).....................150
Component Description ...........................................150
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................150
ECM Terminals and Reference Value .....................150
On Board Diagnosis Logic.......................................151
DTC Confirmation Procedure ..................................151
Overall Function Check ...........................................152
Diagnostic Procedure ..............................................153
Component Inspection .............................................154
DTC P0132 HEATED OXYGEN SENSOR 1
(FRONT) (RICH SHIFT MONITORING)......................156
Component Description ...........................................156
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................156
ECM Terminals and Reference Value .....................156
On Board Diagnosis Logic.......................................157
DTC Confirmation Procedure ..................................157
Overall Function Check ...........................................158
Diagnostic Procedure ..............................................159
Component Inspection .............................................160
DTC P0133 HEATED OXYGEN SENSOR 1
(FRONT) (RESPONSE MONITORING).......................162
Component Description ...........................................162
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................162
ECM Terminals and Reference Value .....................162
On Board Diagnosis Logic.......................................163
DTC Confirmation Procedure ..................................163
Overall Function Check ...........................................164
Wiring Diagram ........................................................165
Diagnostic Procedure ..............................................166
Component Inspection .............................................169
DTC P0134 HEATED OXYGEN SENSOR 1
(FRONT) (HIGH VOLTAGE)........................................170
Component Description ...........................................170
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................170
ECM Terminals and Reference Value .....................170
On Board Diagnosis Logic.......................................171
DTC Confirmation Procedure ..................................171
Wiring Diagram ........................................................172
Diagnostic Procedure ..............................................173
Component Inspection .............................................174
DTC P0135 HEATED OXYGEN SENSOR 1
(FRONT) HEATER.......................................................175
Description ...............................................................175
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................175
ECM Terminals and Reference Value .....................175
On Board Diagnosis Logic.......................................175
CONTENTS(Cont'd)
EC-2

DTC Confirmation Procedure ..................................175
Wiring Diagram ........................................................177
Diagnostic Procedure ..............................................178
Component Inspection .............................................179
DTC P0137 HEATED OXYGEN SENSOR 2(REAR)
(MIN. VOLTAGE MONITORING).................................180
Component Description ...........................................180
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................180
ECM Terminals and Reference Value .....................180
On Board Diagnosis Logic.......................................180
DTC Confirmation Procedure ..................................181
Overall Function Check ...........................................182
Wiring Diagram ........................................................183
Diagnostic Procedure ..............................................184
Component Inspection .............................................186
DTC P0138 HEATED OXYGEN SENSOR 2(REAR)
(MAX. VOLTAGE MONITORING)...............................187
Component Description ...........................................187
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................187
ECM Terminals and Reference Value .....................187
On Board Diagnosis Logic.......................................187
DTC Confirmation Procedure ..................................188
Overall Function Check ...........................................189
Wiring Diagram ........................................................190
Diagnostic Procedure ..............................................191
Component Inspection .............................................193
DTC P0139 HEATED OXYGEN SENSOR 2(REAR)
(RESPONSE MONITORING).......................................194
Component Description ...........................................194
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................194
ECM Terminals and Reference Value .....................194
On Board Diagnosis Logic.......................................194
DTC Confirmation Procedure ..................................195
Overall Function Check ...........................................196
Wiring Diagram ........................................................197
Diagnostic Procedure ..............................................198
Component Inspection .............................................200
DTC P0140 HEATED OXYGEN SENSOR 2(REAR)
(HIGH VOLTAGE)........................................................201
Component Description ...........................................201
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................201
ECM Terminals and Reference Value .....................201
On Board Diagnosis Logic.......................................201
DTC Confirmation Procedure ..................................202
Overall Function Check ...........................................202
Wiring Diagram ........................................................203
Diagnostic Procedure ..............................................204
Component Inspection .............................................205DTC P0141 HEATED OXYGEN SENSOR 2
(REAR) HEATER.........................................................207
Description ...............................................................207
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................207
ECM Terminals and Reference Value .....................207
On Board Diagnosis Logic.......................................207
DTC Confirmation Procedure ..................................208
Wiring Diagram ........................................................209
Diagnostic Procedure ..............................................210
Component Inspection ............................................. 211
DTC P0171 FUEL INJECTION SYSTEM
FUNCTION (LEAN SIDE)............................................212
On Board Diagnosis Logic.......................................212
DTC Confirmation Procedure ..................................212
Wiring Diagram ........................................................213
Diagnostic Procedure ..............................................214
DTC P0172 FUEL INJECTION SYSTEM
FUNCTION (RICH SIDE).............................................218
On Board Diagnosis Logic.......................................218
DTC Confirmation Procedure ..................................218
Wiring Diagram ........................................................220
Diagnostic Procedure ..............................................221
DTC P0300 - P0304 NO.4-1CYLINDER
MISFIRE, MULTIPLE CYLINDER MISFIRE...............224
On Board Diagnosis Logic.......................................224
DTC Confirmation Procedure ..................................224
Diagnostic Procedure ..............................................225
Component Inspection .............................................229
DTC P0325 KNOCK SENSOR (KS)...........................230
Component Description ...........................................230
ECM Terminals and Reference Value .....................230
On Board Diagnosis Logic.......................................230
DTC Confirmation Procedure ..................................230
Wiring Diagram ........................................................231
Diagnostic Procedure ..............................................232
Component Inspection .............................................233
DTC P0335 CRANKSHAFT POSITION SENSOR
(CKPS) (OBD)..............................................................234
Component Description ...........................................234
ECM Terminals and Reference Value .....................234
On Board Diagnosis Logic.......................................234
DTC Confirmation Procedure ..................................235
Wiring Diagram ........................................................236
Diagnostic Procedure ..............................................237
Component Inspection .............................................238
DTC P0340 CAMSHAFT POSITION SENSOR
(CMPS).........................................................................239
Component Description ...........................................239
ECM Terminals and Reference Value .....................239
On Board Diagnosis Logic.......................................240
DTC Confirmation Procedure ..................................240
CONTENTS(Cont'd)
EC-3

Wiring Diagram ........................................................242
Diagnostic Procedure ..............................................243
Component Inspection .............................................245
DTC P0420 THREE WAY CATALYST FUNCTION...246
On Board Diagnosis Logic.......................................246
DTC Confirmation Procedure ..................................246
Overall Function Check ...........................................247
Diagnostic Procedure ..............................................247
DTC P0443 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE (CIRCUIT).................250
Description ...............................................................250
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................250
ECM Terminals and Reference Value .....................251
On Board Diagnosis Logic.......................................251
DTC Confirmation Procedure ..................................251
Wiring Diagram ........................................................252
Diagnostic Procedure ..............................................253
Component Inspection .............................................254
DTC P0500 VEHICLE SPEED SENSOR (VSS).........255
Component Description ...........................................255
ECM Terminals and Reference Value .....................255
On Board Diagnosis Logic.......................................255
DTC Confirmation Procedure ..................................255
Wiring Diagram ........................................................257
Diagnostic Procedure ..............................................260
DTC P0505 IDLE AIR CONTROL VALVE (IACV) -
AUXILIARY AIR CONTROL (AAC) VALVE...............263
Description ...............................................................263
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................264
ECM Terminals and Reference Value .....................264
On Board Diagnosis Logic.......................................264
DTC Confirmation Procedure ..................................264
Wiring Diagram ........................................................265
Diagnostic Procedure ..............................................266
Component Inspection .............................................270
DTC P0510 CLOSED THROTTLE POSITION
SWITCH (IF SO EQUIPPED)......................................271
Component Description ...........................................271
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................271
ECM Terminals and Reference Value .....................271
On Board Diagnosis Logic.......................................271
DTC Confirmation Procedure ..................................272
Overall Function Check ...........................................272
Wiring Diagram ........................................................273
Diagnostic Procedure ..............................................274
Component Inspection .............................................276
DTC P0605 ECM.........................................................277
Component Description ...........................................277
On Board Diagnosis Logic.......................................277DTC Confirmation Procedure ..................................277
Diagnostic Procedure ..............................................278
DTC P1217 OVERHEAT (COOLING SYSTEM).........279
System Description ..................................................279
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................280
ECM Terminals and Reference Value .....................280
On Board Diagnosis Logic.......................................280
Overall Function Check ...........................................281
Wiring Diagram ........................................................282
Diagnostic Procedure ..............................................284
Main 12 Causes of Overheating..............................288
Component Inspection .............................................289
DTC P1336 CRANKSHAFT POSITION SENSOR
(CKPS) (OBD) (COG)..................................................290
Component Description ...........................................290
ECM Terminals and Reference Value .....................290
On Board Diagnosis Logic.......................................290
DTC Confirmation Procedure ..................................291
Wiring Diagram ........................................................292
Diagnostic Procedure ..............................................293
Component Inspection .............................................294
DTC P1605 A/T DIAGNOSIS COMMUNICATION
LINE.............................................................................295
System Description ..................................................295
ECM Terminals and Reference Value .....................295
On Board Diagnosis Logic.......................................295
DTC Confirmation Procedure ..................................295
Wiring Diagram ........................................................296
Diagnostic Procedure ..............................................297
DTC P1706 PARK/NEUTRAL POSITION (PNP)
SWITCH.......................................................................298
Component Description ...........................................298
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................298
ECM Terminals and Reference Value .....................298
On Board Diagnosis Logic.......................................298
DTC Confirmation Procedure ..................................298
Overall Function Check ...........................................299
Wiring Diagram ........................................................300
Diagnostic Procedure ..............................................301
INJECTOR...................................................................302
Component Description ...........................................302
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................302
ECM Terminals and Reference Value .....................302
Wiring Diagram ........................................................303
Diagnostic Procedure ..............................................304
Component Inspection .............................................305
IGNITION SIGNAL.......................................................306
Component Description ...........................................306
CONTENTS(Cont'd)
EC-4

CONSULT-II Reference Value in Data Monitor
Mode ........................................................................306
ECM Terminals and Reference Value .....................306
Wiring Diagram ........................................................308
Diagnostic Procedure ..............................................309
Component Inspection .............................................310
START SIGNAL...........................................................312
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................312
ECM Terminals and Reference Value .....................312
Wiring Diagram ........................................................313
Diagnostic Procedure ..............................................314
FUEL PUMP.................................................................316
System Description ..................................................316
Component Description ...........................................316
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................316
ECM Terminals and Reference Value .....................316
Wiring Diagram ........................................................317
Diagnostic Procedure ..............................................318
Component Inspection .............................................320
POWER STEERING OIL PRESSURE SWITCH.........321
Component Description ...........................................321
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................321
ECM Terminals and Reference Value .....................321
Wiring Diagram ........................................................322Diagnostic Procedure ..............................................323
Component Inspection .............................................324
ELECTRICAL LOAD SIGNAL.....................................325
CONSULT-II Reference Value in Data Monitor
Mode ........................................................................325
ECM Terminals and Reference Value .....................325
Wiring Diagram ........................................................326
MI & DATA LINK CONNECTORS..............................329
Wiring Diagram ........................................................329
SERVICE DATA AND SPECIFICATIONS (SDS).......330
Fuel Pressure Regulator..........................................330
Idle Speed and Ignition Timing ................................330
Ignition Coil ..............................................................330
Mass Air Flow Sensor..............................................330
Engine Coolant Temperature Sensor ......................330
Fuel Pump ...............................................................330
IACV-AAC Valve ......................................................330
Injector .....................................................................330
Throttle Position Sensor ..........................................331
Heated Oxygen Sensor 1 (Front) Heater ................331
Intake Air Temperature Sensor ................................331
EVAP Canister Purge Volume Control Valve ..........331
Heated Oxygen Sensor 1 (Rear) Heater.................331
Crankshaft Position Sensor (OBD)..........................331
CONTENTS(Cont'd)
EC-5

IWhen measuring ECM signals with a circuit tester, never
allow the two tester probes to contact.
Accidental contact of probes will cause a short circuit and
damage the ECM power transistor.
Wiring Diagrams and Trouble DiagnosisNCEC0006When you read Wiring diagrams, refer to the followings:
IªHOW TO READ WIRING DIAGRAMSº in GI section
IªPOWER SUPPLY ROUTINGº for power distribution circuit in
EL section
When you perform trouble diagnosis, refer to the followings:
IªHOW TO FOLLOW TEST GROUP IN TROUBLE DIAGNO-
SISº in GI section
IªHOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN
ELECTRICAL INCIDENTº in GI section
SEF348N
PRECAUTIONSSR20DE
Precautions (Cont'd)
EC-13