Nissan Almera Tino V10 (2001 year). Manual — part 28

Wiring Diagram . . . . . . . . . . . . . . 764
Diagnostic Procedure . . . . . . . . . . . ..766
Component Inspection. . . . . . . . . . . .769

DTC P0139 HEATED OXYGEN SENSOR 2
(REAR) (RESPONSE MONITORING)

. . . . . . .770

Component Description . . . . . . . . . . ...770
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 770
ECM Terminals and Reference Value . . . . . .770
On Board Diagnosis Logic. . . . . . . . . ...770
DTC Confirmation Procedure . . . . . . . . ..771
Overall Function Check . . . . . . . . . . ...772
Wiring Diagram . . . . . . . . . . . . . . 773
Diagnostic Procedure . . . . . . . . . . . ..775
Component Inspection. . . . . . . . . . . .778

DTC P0140 HEATED OXYGEN SENSOR 2
(REAR) (HIGH VOLTAGE)

. . . . . . . . . . ..779

Component Description . . . . . . . . . . ...779
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 779
ECM Terminals and Reference Value . . . . . .779
On Board Diagnosis Logic. . . . . . . . . ...779
DTC Confirmation Procedure . . . . . . . . ..780
Overall Function Check . . . . . . . . . . ...780
Wiring Diagram . . . . . . . . . . . . . . 781
Diagnostic Procedure . . . . . . . . . . . ..783
Component Inspection. . . . . . . . . . . .784

DTC P0141 HEATED OXYGEN SENSOR 2
HEATER (REAR)

. . . . . . . . . . . . . . .786

Description . . . . . . . . . . . . . . . ...786
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 786
ECM Terminals and Reference Value . . . . . .786
On Board Diagnosis Logic. . . . . . . . . ...786
DTC Confirmation Procedure . . . . . . . . ..787
Wiring Diagram . . . . . . . . . . . . . . 788
Diagnostic Procedure . . . . . . . . . . . ..790
Component Inspection. . . . . . . . . . . .791

DTC P0171 FUEL INJECTION SYSTEM
FUNCTION (LEAN SIDE)

. . . . . . . . . . . 792

On Board Diagnosis Logic. . . . . . . . . ...792
DTC Confirmation Procedure . . . . . . . . ..792
Wiring Diagram . . . . . . . . . . . . . . 794
Diagnostic Procedure . . . . . . . . . . . ..796

DTC P0172 FUEL INJECTION SYSTEM
FUNCTION (RICH SIDE)

. . . . . . . . . . . .800

On Board Diagnosis Logic. . . . . . . . . ...800
DTC Confirmation Procedure . . . . . . . . ..800
Wiring Diagram . . . . . . . . . . . . . . 802
Diagnostic Procedure . . . . . . . . . . . ..804

DTC P0300 - P0304 NO. 4 - 1 CYLINDER
MISFIRE, MULTIPLE CYLINDER MISFIRE

. . . ...808

On Board Diagnosis Logic. . . . . . . . . ...808
DTC Confirmation Procedure . . . . . . . . ..808
Diagnostic Procedure . . . . . . . . . . . ..809
Component Inspection. . . . . . . . . . . .814

DTC P0325 KNOCK SENSOR (KS)

. . . . . . ...815

Component Description . . . . . . . . . . ...815
ECM Terminals and Reference Value . . . . . .815
On Board Diagnosis Logic. . . . . . . . . ...815
DTC Confirmation Procedure . . . . . . . . ..815
Wiring Diagram . . . . . . . . . . . . . . 816
Diagnostic Procedure . . . . . . . . . . . ..817
Component Inspection. . . . . . . . . . . .818

DTC P0335 CRANKSHAFT POSITION SENSOR
(CKPS) (OBD)

. . . . . . . . . . . . . . . ..819

Component Description . . . . . . . . . . ...819
ECM Terminals and Reference Value . . . . . .819
On Board Diagnosis Logic. . . . . . . . . ...819
DTC Confirmation Procedure . . . . . . . . ..820
Wiring Diagram . . . . . . . . . . . . . . 821
Diagnostic Procedure . . . . . . . . . . . ..823
Component Inspection. . . . . . . . . . . .824

DTC P0340 CAMSHAFT POSITION SENSOR
(CMPS)

. . . . . . . . . . . . . . . . . . .825

Component Description . . . . . . . . . . ...825
ECM Terminals and Reference Value . . . . . .825
On Board Diagnosis Logic. . . . . . . . . ...826
DTC Confirmation Procedure . . . . . . . . ..826
Wiring Diagram . . . . . . . . . . . . . . 828
Diagnostic Procedure . . . . . . . . . . . ..830
Component Inspection. . . . . . . . . . . .833

DTC P0400 EGR FUNCTION (CLOSED) (WHERE
FITTED)

. . . . . . . . . . . . . . . . . . 834

Description . . . . . . . . . . . . . . . ...834
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 835
ECM Terminals and Reference Value . . . . . .835
On Board Diagnosis Logic. . . . . . . . . ...835
DTC Confirmation Procedure . . . . . . . . ..836
Wiring Diagram . . . . . . . . . . . . . . 838
Diagnostic Procedure . . . . . . . . . . . ..839

DTC P0403 EGR VOLUME CONTROL VALVE
(CIRCUIT) (WHERE FITTED)

. . . . . . . . . ..841

Description . . . . . . . . . . . . . . . ...841
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 842
ECM Terminals and Reference Value . . . . . .842
On Board Diagnosis Logic. . . . . . . . . ...842
DTC Confirmation Procedure . . . . . . . . ..842
Wiring Diagram . . . . . . . . . . . . . . 844
Diagnostic Procedure . . . . . . . . . . . ..845

CONTENTS

(Cont’d)

EC-9

Component Inspection. . . . . . . . . . . .847

DTC P0420 THREE WAY CATALYST FUNCTION

...848

On Board Diagnosis Logic. . . . . . . . . ...848
DTC Confirmation Procedure . . . . . . . . ..848
Overall Function Check . . . . . . . . . . ...849
Diagnostic Procedure . . . . . . . . . . . ..849

DTC P0443 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE (CIRCUIT)

. . . . .852

Description . . . . . . . . . . . . . . . ...852
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 852
ECM Terminals and Reference Value . . . . . .853
On Board Diagnosis Logic. . . . . . . . . ...853
DTC Confirmation Procedure . . . . . . . . ..853
Wiring Diagram . . . . . . . . . . . . . . 854
Diagnostic Procedure . . . . . . . . . . . ..856
Component Inspection. . . . . . . . . . . .857

DTC P0500 VEHICLE SPEED SENSOR (VSS)

. . .858

Component Description . . . . . . . . . . ...858
ECM Terminals and Reference Value . . . . . .858
On Board Diagnosis Logic. . . . . . . . . ...858
DTC Confirmation Procedure . . . . . . . . ..858
Wiring Diagram . . . . . . . . . . . . . . 860
Diagnostic Procedure . . . . . . . . . . . ..862

DTC P0505 IDLE AIR CONTROL VALVE (IACV) -
AUXILIARY AIR CONTROL (AAC) VALVE

. . . ...863

Description . . . . . . . . . . . . . . . ...863
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 864
ECM Terminals and Reference Value . . . . . .864
On Board Diagnosis Logic. . . . . . . . . ...864
DTC Confirmation Procedure . . . . . . . . ..864
Wiring Diagram . . . . . . . . . . . . . . 865
Diagnostic Procedure . . . . . . . . . . . ..867
Component Inspection. . . . . . . . . . . .871

DTC P0510 CLOSED THROTTLE POSITION
SWITCH

. . . . . . . . . . . . . . . . . ...872

Component Description . . . . . . . . . . ...872
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 872
ECM Terminals and Reference Value . . . . . .872
On Board Diagnosis Logic. . . . . . . . . ...872
DTC Confirmation Procedure . . . . . . . . ..872
Overall Function Check . . . . . . . . . . ...873
Wiring Diagram . . . . . . . . . . . . . . 874
Diagnostic Procedure . . . . . . . . . . . ..876
Component Inspection. . . . . . . . . . . .878

DTC P0605 ECM

. . . . . . . . . . . . . . .880

Component Description . . . . . . . . . . ...880
On Board Diagnosis Logic. . . . . . . . . ...880
DTC Confirmation Procedure . . . . . . . . ..880
Diagnostic Procedure . . . . . . . . . . . ..881

DTC P1217 OVERHEAT (COOLING SYSTEM)

. . .882

System Description. . . . . . . . . . . . ..882
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 882
ECM Terminals and Reference Value . . . . . .883
On Board Diagnosis Logic. . . . . . . . . ...883
Overall Function Check . . . . . . . . . . ...884
Wiring Diagram . . . . . . . . . . . . . . 885
Diagnostic Procedure . . . . . . . . . . . ..887
Main 12 Causes of Overheating. . . . . . . ..898
Component Inspection. . . . . . . . . . . .898

DTC P1320 IGNITION SIGNAL

. . . . . . . . ...900

Component Description . . . . . . . . . . ...900
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 900
ECM Terminals and Reference Value . . . . . .900
On Board Diagnosis Logic. . . . . . . . . ...901
DTC Confirmation Procedure . . . . . . . . ..901
Wiring Diagram . . . . . . . . . . . . . . 903
Diagnostic Procedure . . . . . . . . . . . ..905
Component Inspection. . . . . . . . . . . .907

DTC P1336 CRANKSHAFT POSITION SENSOR
(CKPS) (OBD) (COG)

. . . . . . . . . . . . ..909

Component Description . . . . . . . . . . ...909
ECM Terminals and Reference Value . . . . . .909
On Board Diagnosis Logic. . . . . . . . . ...910
DTC Confirmation Procedure . . . . . . . . ..910
Wiring Diagram . . . . . . . . . . . . . . 911
Diagnostic Procedure . . . . . . . . . . . ..913
Component Inspection. . . . . . . . . . . .914

DTC P1401 EGR TEMPERATURE SENSOR
(WHERE FITTED)

. . . . . . . . . . . . . . 915

Component Description . . . . . . . . . . ...915
On Board Diagnosis Logic. . . . . . . . . ...915
DTC Confirmation Procedure . . . . . . . . ..915
Wiring Diagram . . . . . . . . . . . . . . 918
Diagnostic Procedure . . . . . . . . . . . ..919
Component Inspection. . . . . . . . . . . .920

DTC P1402 EGR FUNCTION (OPEN) (WHERE
FITTED)

. . . . . . . . . . . . . . . . . . 921

Description . . . . . . . . . . . . . . . ...921
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 922
ECM Terminals and Reference Value . . . . . .922
On Board Diagnosis Logic. . . . . . . . . ...922
DTC Confirmation Procedure . . . . . . . . ..923
Wiring Diagram . . . . . . . . . . . . . . 925
Diagnostic Procedure . . . . . . . . . . . ..926

DTC P1605 A/T DIAGNOSIS COMMUNICATION
LINE

. . . . . . . . . . . . . . . . . . . .928

System Description. . . . . . . . . . . . ..928
ECM Terminals and Reference Value . . . . . .928

CONTENTS

(Cont’d)

EC-10

On Board Diagnosis Logic. . . . . . . . . ...928
DTC Confirmation Procedure . . . . . . . . ..928
Wiring Diagram . . . . . . . . . . . . . . 929
Diagnostic Procedure . . . . . . . . . . . ..930

DTC P1706 PARK/NEUTRAL POSITION (PNP)
SWITCH

. . . . . . . . . . . . . . . . . ...931

Component Description . . . . . . . . . . ...931
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 931
ECM Terminals and Reference Value . . . . . .931
On Board Diagnosis Logic. . . . . . . . . ...931
DTC Confirmation Procedure . . . . . . . . ..931
Overall Function Check . . . . . . . . . . ...932
Wiring Diagram . . . . . . . . . . . . . . 933
Diagnostic Procedure . . . . . . . . . . . ..935

INTAKE AIR TEMPERATURE SENSOR

. . . . . 937

Component Description . . . . . . . . . . ...937
Wiring Diagram . . . . . . . . . . . . . . 939
Diagnostic Procedure . . . . . . . . . . . ..941
Component Inspection. . . . . . . . . . . .943

HEATED OXYGEN SENSOR 1 (FRONT)

. . . . ...944

Component Description . . . . . . . . . . ...944
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 944
ECM Terminals and Reference Value . . . . . .944
Wiring Diagram . . . . . . . . . . . . . . 945
Diagnostic Procedure . . . . . . . . . . . ..947
Component Inspection. . . . . . . . . . . .949

HEATED OXYGEN SENSOR 1 HEATER (FRONT)

...951

Description . . . . . . . . . . . . . . . ...951
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 951
ECM Terminals and Reference Value . . . . . .951
Wiring Diagram . . . . . . . . . . . . . . 952
Diagnostic Procedure . . . . . . . . . . . ..954
Component Inspection. . . . . . . . . . . .955

HEATED OXYGEN SENSOR 2 (REAR)

. . . . . .956

Component Description . . . . . . . . . . ...956
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 956
ECM Terminals and Reference Value . . . . . .956
Wiring Diagram . . . . . . . . . . . . . . 957
Diagnostic Procedure . . . . . . . . . . . ..959
Component Inspection. . . . . . . . . . . .961

HEATED OXYGEN SENSOR 2 HEATER (REAR)

. .963

Description . . . . . . . . . . . . . . . ...963
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 963
ECM Terminals and Reference Value . . . . . .963
Wiring Diagram . . . . . . . . . . . . . . 964
Diagnostic Procedure . . . . . . . . . . . ..966
Component Inspection. . . . . . . . . . . .968

CRANKSHAFT POSITION SENSOR (CKPS)
(OBD)

. . . . . . . . . . . . . . . . . . ...969

Component Description . . . . . . . . . . ...969
ECM Terminals and Reference Value . . . . . .969
Wiring Diagram . . . . . . . . . . . . . . 970
Diagnostic Procedure . . . . . . . . . . . ..972
Component Inspection. . . . . . . . . . . .974

EGR VOLUME CONTROL SYSTEM (WHERE
FITTED)

. . . . . . . . . . . . . . . . . . 975

Description . . . . . . . . . . . . . . . ...975
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 976
ECM Terminals and Reference Value . . . . . .977
Wiring Diagram . . . . . . . . . . . . . . 978
Diagnostic Procedure . . . . . . . . . . . ..979
Component Inspection. . . . . . . . . . . .984

EVAP CANISTER PURGE VOLUME CONTROL
SOLENOID VALVE

. . . . . . . . . . . . . ..986

Description . . . . . . . . . . . . . . . ...986
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 986
ECM Terminals and Reference Value . . . . . .987
Wiring Diagram . . . . . . . . . . . . . . 988
Diagnostic Procedure . . . . . . . . . . . ..990
Component Inspection. . . . . . . . . . . .994

IDLE AIR CONTROL VALVE (IACV) - AUXILIARY
AIR CONTROL (AAC) VALVE

. . . . . . . . . 995

Description . . . . . . . . . . . . . . . ...995
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 996
ECM Terminals and Reference Value . . . . . .996
Wiring Diagram . . . . . . . . . . . . . . 997
Diagnostic Procedure . . . . . . . . . . . ..999
Component Inspection. . . . . . . . . . ...1003

IGNITION SIGNAL

. . . . . . . . . . . . . .1004

Component Description . . . . . . . . . . .1004
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1004
ECM Terminals and Reference Value . . . . ...1004
Wiring Diagram . . . . . . . . . . . . . ..1006
Diagnostic Procedure . . . . . . . . . . . 1008
Component Inspection. . . . . . . . . . ...1010

A/T COMMUNICATION LINE

. . . . . . . . . 1012

System Description. . . . . . . . . . . . 1012
Wiring Diagram . . . . . . . . . . . . . ..1013
Diagnostic Procedure . . . . . . . . . . . 1014

PARK/NEUTRAL POSITION (PNP) SWITCH

. . ..1016

Component Description . . . . . . . . . . .1016
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1016
ECM Terminals and Reference Value . . . . ...1016
Wiring Diagram . . . . . . . . . . . . . ..1017

CONTENTS

(Cont’d)

EC-11

Diagnostic Procedure . . . . . . . . . . . 1019

INJECTOR

. . . . . . . . . . . . . . . . .1021

Component Description . . . . . . . . . . .1021
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1021
ECM Terminals and Reference Value . . . . ...1021
Wiring Diagram . . . . . . . . . . . . . ..1022
Diagnostic Procedure . . . . . . . . . . . 1024
Component Inspection. . . . . . . . . . ...1026

START SIGNAL

. . . . . . . . . . . . . . .1027

CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1027
ECM Terminals and Reference Value . . . . ...1027
Wiring Diagram . . . . . . . . . . . . . ..1028
Diagnostic Procedure . . . . . . . . . . . 1030

FUEL PUMP

. . . . . . . . . . . . . . . ...1032

System Description. . . . . . . . . . . . 1032
Component Description . . . . . . . . . . .1032
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1032
ECM Terminals and Reference Value . . . . ...1033
Wiring Diagram . . . . . . . . . . . . . ..1034
Diagnostic Procedure . . . . . . . . . . . 1036
Component Inspection. . . . . . . . . . ...1038

POWER STEERING OIL PRESSURE SWITCH

. ...1039

Component Description . . . . . . . . . . .1039
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1039
ECM Terminals and Reference Value . . . . ...1039
Wiring Diagram . . . . . . . . . . . . . ..1040
Diagnostic Procedure . . . . . . . . . . . 1041
Component Inspection. . . . . . . . . . ...1043

REFRIGERANT PRESSURE SENSOR

. . . . . 1044

Description . . . . . . . . . . . . . . . .1044
ECM Terminals and Reference Value . . . . ...1044
Wiring Diagram . . . . . . . . . . . . . ..1045
Diagnostic Procedure . . . . . . . . . . . 1047

ELECTRICAL LOAD SIGNAL

. . . . . . . . ...1050

CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1050
ECM Terminals and Reference Value . . . . ...1050
Wiring Diagram . . . . . . . . . . . . . ..1051
Diagnostic Procedure - Load Signal - . . . . ...1055
Diagnostic Procedure - Heater Control Panel
(Fan Switch) - . . . . . . . . . . . . . . 1059

MI & DATA LINK CONNECTORS

. . . . . . . 1060

Wiring Diagram . . . . . . . . . . . . . ..1060

SERVICE DATA AND SPECIFICATIONS (SDS)

. .1062

Fuel Pressure Regulator. . . . . . . . . . 1062
Idle Speed and Ignition Timing. . . . . . . ..1062
Ignition Coil . . . . . . . . . . . . . . . 1062
Mass Air Flow Sensor. . . . . . . . . . . 1062

Engine Coolant Temperature Sensor . . . . . 1062
EGR Volume Control Valve (where fitted). . . .1062
EGR Temperature Sensor (where fitted). . . ...1062
Fuel Pump . . . . . . . . . . . . . . . .1063
IACV-AAC Valve . . . . . . . . . . . . . 1063
Injector . . . . . . . . . . . . . . . . ...1063
Resistor. . . . . . . . . . . . . . . . ..1063
Throttle Position Sensor . . . . . . . . . . 1063
Heated Oxygen Sensor 1 (Front) Heater . . . ..1063
Intake Air Temperature Sensor. . . . . . . ..1063
EVAP Canister Purge Volume Control Valve . . 1063
Heated Oxygen Sensor 2 (Rear) Heater. . . ...1063
Crankshaft Position Sensor (OBD). . . . . . 1063

YD22DDTI

TROUBLE DIAGNOSIS - INDEX

. . . . . . . ..1064

Alphabetical & P No. Index for DTC . . . . . .1064

PRECAUTIONS

. . . . . . . . . . . . . . .1066

Precautions for Supplemental Restraint System
(SRS)

″

AIR BAG

″

and

″

SEAT BELT

PRE-TENSIONER

″

. . . . . . . . . . . . 1066

Engine Fuel & Emission Control System . . . ..1066
Wiring Diagrams and Trouble Diagnosis. . . ...1069

PREPARATION

. . . . . . . . . . . . . . .1070

Special Service Tools . . . . . . . . . . . 1070

ENGINE AND EMISSION CONTROL OVERALL
SYSTEM

. . . . . . . . . . . . . . . . . .1071

Engine Control Component Parts Location. . ...1071
Circuit Diagram . . . . . . . . . . . . . ..1074
System Diagram . . . . . . . . . . . . . 1076
Vacuum Hose Drawing . . . . . . . . . . ..1077
System Chart . . . . . . . . . . . . . . .1078

ENGINE AND EMISSION BASIC CONTROL
SYSTEM DESCRIPTION

. . . . . . . . . . ...1079

Fuel Injection Control System . . . . . . . ...1079
Fuel Injection Timing Control System. . . . . 1080
Air Conditioning Cut Control. . . . . . . . ..1081
Fuel Cut Control (at no load & high engine
speed) . . . . . . . . . . . . . . . . . 1081
Crankcase Ventilation System. . . . . . . ...1082

BASIC SERVICE PROCEDURE

. . . . . . . ...1083

Injection Tube and Injection Nozzle . . . . . ..1083
Electronic Control Fuel Injection Pump . . . . .1087
Fuel Filter. . . . . . . . . . . . . . . ...1094

ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION

. . . . . . . . . . . . . . ...1096

DTC and MI Detection Logic . . . . . . . . .1096
Diagnostic Trouble Code (DTC) . . . . . . . 1096
NATS (Nissan Anti-Theft System) . . . . . . .1097
Malfunction Indicator (MI) . . . . . . . . . ..1097
CONSULT-II . . . . . . . . . . . . . . ... 1102

CONTENTS

(Cont’d)

EC-12

TROUBLE DIAGNOSIS - INTRODUCTION

. . . .. 1107

Introduction . . . . . . . . . . . . . . . 1107
Work Flow. . . . . . . . . . . . . . . .. 1109

TROUBLE DIAGNOSIS - BASIC INSPECTION

. ... 1111

Basic Inspection. . . . . . . . . . . . . . 1111

TROUBLE DIAGNOSIS - GENERAL
DESCRIPTION

. . . . . . . . . . . . . . ... 1116

Symptom Matrix Chart. . . . . . . . . . ... 1116
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . .. 1126
Major Sensor Reference Graph in Data Monitor
Mode . . . . . . . . . . . . . . . . . .. 1128
ECM Terminals and Reference Value . . . . ... 1129

TROUBLE DIAGNOSIS FOR INTERMITTENT
INCIDENT

. . . . . . . . . . . . . . . . ... 1135

Description . . . . . . . . . . . . . . . . 1135
Diagnostic Procedure . . . . . . . . . . . 1135

TROUBLE DIAGNOSIS FOR POWER SUPPLY

. .. 1136

Main Power Supply and Ground Circuit. . . . 1136

DTC P0100 MASS AIR FLOW SEN

. . . . . . . 1143

Component Description . . . . . . . . . . . 1143
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . .. 1143
ECM Terminals and Reference Value . . . . ... 1143
On Board Diagnosis Logic. . . . . . . . . . 1143
DTC Confirmation Procedure . . . . . . . . 1144
Wiring Diagram . . . . . . . . . . . . . .. 1145
Diagnostic Procedure . . . . . . . . . . . 1147

DTC P0115 COOLANT TEMP SEN

. . . . . . .. 1150

Description . . . . . . . . . . . . . . . . 1150
On Board Diagnosis Logic. . . . . . . . . . 1150
DTC Confirmation Procedure . . . . . . . . 1150
Wiring Diagram . . . . . . . . . . . . . .. 1152
Diagnostic Procedure . . . . . . . . . . . 1153

DTC P0120 ACCEL POS SENSOR

. . . . . . .. 1155

Description . . . . . . . . . . . . . . . . 1155
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . .. 1155
ECM Terminals and Reference Value . . . . ... 1155
On Board Diagnosis Logic. . . . . . . . . . 1156
DTC Confirmation Procedure . . . . . . . . 1156
Wiring Diagram . . . . . . . . . . . . . .. 1157
Diagnostic Procedure . . . . . . . . . . . 1159

DTC P0335 CRANK POS SEN (TDC)

. . . . . .. 1166

Description . . . . . . . . . . . . . . . . 1166
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . .. 1166
ECM Terminals and Reference Value . . . . ... 1166
On Board Diagnosis Logic. . . . . . . . . . 1166
DTC Confirmation Procedure . . . . . . . . 1167
Wiring Diagram . . . . . . . . . . . . . .. 1168
Diagnostic Procedure . . . . . . . . . . . 1169

DTC P0500 VEHICLE SPEED SEN

. . . . . . .. 1172

Description . . . . . . . . . . . . . . . . 1172
ECM Terminals and Reference Value . . . . ... 1172
On Board Diagnosis Logic. . . . . . . . . . 1172
Overall Function Check . . . . . . . . . . . 1172
Wiring Diagram . . . . . . . . . . . . . .. 1174
Diagnostic Procedure . . . . . . . . . . . 1176

DTC P0571 BRAKE SW

. . . . . . . . . . . 1177

Description . . . . . . . . . . . . . . . . 1177
ECM Terminals and Reference Value . . . . ... 1177
On Board Diagnosis Logic. . . . . . . . . . 1177
DTC Confirmation Procedure . . . . . . . . 1177
Wiring Diagram . . . . . . . . . . . . . .. 1179
Diagnostic Procedure . . . . . . . . . . . 1181

DTC P1107 ECM 10

. . . . . . . . . . . . .. 1185

Description . . . . . . . . . . . . . . . . 1185
On Board Diagnosis Logic. . . . . . . . . . 1185
DTC Confirmation Procedure . . . . . . . . 1185
Diagnostic Procedure . . . . . . . . . . . 1186

DTC P1180 P9.FUEL TEMP SEN

. . . . . . . . 1187

Description . . . . . . . . . . . . . . . . 1187
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . .. 1187
ECM Terminals and Reference Value . . . . ... 1188
On Board Diagnosis Logic. . . . . . . . . . 1188
DTC Confirmation Procedure . . . . . . . . 1188
Wiring Diagram . . . . . . . . . . . . . .. 1190
Diagnostic Procedure . . . . . . . . . . . 1192

DTC P1202 FUEL CUT SYSTEM2

. . . . . . ... 1194

Description . . . . . . . . . . . . . . . . 1194
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . .. 1194
ECM Terminals and Reference Value . . . . ... 1195
On Board Diagnosis Logic. . . . . . . . . . 1195
DTC Confirmation Procedure . . . . . . . . 1195
Wiring Diagram . . . . . . . . . . . . . .. 1197
Diagnostic Procedure . . . . . . . . . . . 1199

DTC P1217 OVER HEAT

. . . . . . . . . . ..1201

Description . . . . . . . . . . . . . . . .1201
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1201
ECM Terminals and Reference Value . . . . ...1201
On Board Diagnosis Logic. . . . . . . . . .1202
Overall Function Check . . . . . . . . . . .1203
Wiring Diagram . . . . . . . . . . . . . ..1204
Diagnostic Procedure . . . . . . . . . . . 1206
Main 12 Causes of Overheating. . . . . . . 1217

DTC P1241 P7.F/INJ TIMG FB

. . . . . . . . .1218

Description . . . . . . . . . . . . . . . .1218
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1218
ECM Terminals and Reference Value . . . . ...1219

CONTENTS

(Cont’d)

EC-13

On Board Diagnosis Logic. . . . . . . . . .1219
DTC Confirmation Procedure . . . . . . . . 1219
Wiring Diagram . . . . . . . . . . . . . ..1221
Diagnostic Procedure . . . . . . . . . . . 1223

DTC P1251 P4.SPILL/V CIRC

. . . . . . . . ..1225

Description . . . . . . . . . . . . . . . .1225
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1225
ECM Terminals and Reference Value . . . . ...1226
On Board Diagnosis Logic. . . . . . . . . .1226
DTC Confirmation Procedure . . . . . . . . 1226
Wiring Diagram . . . . . . . . . . . . . ..1228
Diagnostic Procedure . . . . . . . . . . . 1230

DTC P1337 P2.DTC PULSE SIG

. . . . . . . ..1232

Description . . . . . . . . . . . . . . . .1232
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1232
ECM Terminals and Reference Value . . . . ...1233
On Board Diagnosis Logic. . . . . . . . . .1233
DTC Confirmation Procedure . . . . . . . . 1233
Wiring Diagram . . . . . . . . . . . . . ..1235
Diagnostic Procedure . . . . . . . . . . . 1237

DTC P1341 P1.CAM POS SEN

. . . . . . . . 1239

Description . . . . . . . . . . . . . . . .1239
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1239
ECM Terminals and Reference Value . . . . ...1240
On Board Diagnosis Logic. . . . . . . . . .1240
DTC Confirmation Procedure . . . . . . . . 1240
Wiring Diagram . . . . . . . . . . . . . ..1242
Diagnostic Procedure . . . . . . . . . . . 1244

DTC P1600 P3.PUMP COMM LINE

. . . . . . ..1246

Description . . . . . . . . . . . . . . . .1246
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1246
ECM Terminals and Reference Value . . . . ...1247
On Board Diagnosis Logic. . . . . . . . . .1247
DTC Confirmation Procedure . . . . . . . . 1247
Wiring Diagram . . . . . . . . . . . . . ..1249
Diagnostic Procedure . . . . . . . . . . . 1251

DTC P1603 ECM 12, DTC P1607 ECM 2

. . . . .1253

Description . . . . . . . . . . . . . . . .1253
On Board Diagnosis Logic. . . . . . . . . .1253
DTC Confirmation Procedure . . . . . . . . 1253
Diagnostic Procedure . . . . . . . . . . . 1254

DTC P1620 ECM RLY

. . . . . . . . . . . ...1255

ECM Terminals and Reference Value . . . . ...1255
On Board Diagnosis Logic. . . . . . . . . .1255
DTC Confirmation Procedure . . . . . . . . 1255
Wiring Diagram . . . . . . . . . . . . . ..1256
Diagnostic Procedure . . . . . . . . . . . 1258

DTC P1621 ECM 15

. . . . . . . . . . . . ..1260

Description . . . . . . . . . . . . . . . .1260
On Board Diagnosis Logic. . . . . . . . . .1260
DTC Confirmation Procedure . . . . . . . . 1260
Diagnostic Procedure . . . . . . . . . . . 1261

DTC P1660 BATTERY VOLTAGE

. . . . . . . 1262

On Board Diagnosis Logic. . . . . . . . . .1262
DTC Confirmation Procedure . . . . . . . . 1262
Diagnostic Procedure . . . . . . . . . . . 1262

DTC P1690 P5.PUMP C/MODULE

. . . . . . ...1264

Description . . . . . . . . . . . . . . . .1264
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1264
ECM Terminals and Reference Value . . . . ...1265
On Board Diagnosis Logic. . . . . . . . . .1265
DTC Confirmation Procedure . . . . . . . . 1265
Diagnostic Procedure . . . . . . . . . . . 1266

GLOW CONTROL SYSTEM

. . . . . . . . . .1267

Description . . . . . . . . . . . . . . . .1267
ECM Terminals and Reference Value . . . . ...1268
Wiring Diagram . . . . . . . . . . . . . ..1269
Diagnostic Procedure . . . . . . . . . . . 1271

EGR VOLUME CONTROL SYSTEM

. . . . . . 1277

Description . . . . . . . . . . . . . . . .1277
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1278
ECM Terminals and Reference Value . . . . ...1278
Wiring Diagram . . . . . . . . . . . . . ..1279
Diagnostic Procedure . . . . . . . . . . . 1281

SWIRL CONTROL VALVE CONTROL SOLENOID
VALVE

. . . . . . . . . . . . . . . . . . 1285

Description . . . . . . . . . . . . . . . .1285
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1286
ECM Terminals and Reference Value . . . . ...1286
Wiring Diagram . . . . . . . . . . . . . ..1287
Diagnostic Procedure . . . . . . . . . . . 1289

START SIGNAL

. . . . . . . . . . . . . . .1293

Wiring Diagram . . . . . . . . . . . . . ..1293
Diagnostic Procedure . . . . . . . . . . . 1295

PARK/NEUTRAL POSITION (PNP) SWITCH
(WHERE FITTED)

. . . . . . . . . . . . . ..1297

Description . . . . . . . . . . . . . . . .1297
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..1297
ECM Terminals and Reference Value . . . . ...1297
Wiring Diagram . . . . . . . . . . . . . ..1298
Diagnostic Procedure . . . . . . . . . . . 1299

AIR CONDITIONER CONTROL

. . . . . . . . 1301

Wiring Diagram . . . . . . . . . . . . . ..1301

MI & DATA LINK CONNECTORS

. . . . . . . 1303

Wiring Diagram . . . . . . . . . . . . . ..1303

CONTENTS

(Cont’d)

EC-14

SERVICE DATA AND SPECIFICATIONS (SDS)

. .1305

General Specifications. . . . . . . . . . ...1305
Injection Nozzle . . . . . . . . . . . . . .1305
Engine Coolant Temperature Sensor . . . . . 1305

Crankshaft Position Sensor (TDC) . . . . . . 1305
Glow Plug . . . . . . . . . . . . . . . ..1305
Accelerator Position Sensor . . . . . . . . ..1305
EGR Volume Control Valve . . . . . . . . ...1305

CONTENTS

(Cont’d)

EC-15

Alphabetical & P No. Index for DTC

NLEC0001

Check if the vehicle is a model with the Euro-OBD (E-OBD) system or not by referring to the “Type approval
number” on the identification plate.
Refer to GI-39, “IDENTIFICATION PLATE”.

Type approval number Model

Available With Euro-OBD system

Not available Without Euro-OBD system

MODELS WITH EURO-OBD SYSTEM

NLEC0001S03

Alphabetical Index for DTC

NLEC0001S0301

Items

(CONSULT-II screen terms)

DTC*6

Reference page

CONSULT-II

GST*2

ECM*1

Unable to access ECM — — EC-123

AIR TEMP SEN/CIRC P0110 0110 EC-161

CMP SEN/CIRCUIT P0340 0340 EC-302

CLOSED TP SW/CIRC (where fitted) P0510 0510 EC-352

COOLANT T SEN/CIRC*3 P0115 0115 EC-169

CKP SEN/CIRCUIT P0335 0335 EC-295

CYL 1 MISFIRE P0301 0301 EC-285

CYL 2 MISFIRE P0302 0302 EC-285

CYL 3 MISFIRE P0303 0303 EC-285

CYL 4 MISFIRE P0304 0304 EC-285

ECM P0605 0605 EC-358

EGR SYSTEM (where fitted) P0400 0400 EC-310

EGR SYSTEM (where fitted) P1402 1402 EC-393

EGR TEMP SEN/CIRC (where fitted) P1401 1401 EC-386

EGR VOL CON/V CIR (where fitted) P0403 0403 EC-319

ENG OVER TEMP P1217 1217 EC-373

FUEL SYS-LEAN/BK1 P0171 0171 EC-269

FUEL SYS-RICH/BK1 P0172 0172 EC-277

HO2S1 HTR (B1) P0135 0135 EC-221

HO2S1 (B1) P0130 0130 EC-184

HO2S1 (B1) P0131 0131 EC-192

HO2S1 (B1) P0132 0132 EC-198

HO2S1 (B1) P0133 0133 EC-204

HO2S1 (B1) P0134 0134 EC-214

HO2S2 (B1) P0137 0137 EC-227

HO2S2 (B1) P0138 0138 EC-237

HO2S2 (B1) P0139 0139 EC-246

HO2S2 (B1) P0140 0140 EC-256

TROUBLE DIAGNOSIS — INDEX

QG18DE

Alphabetical & P No. Index for DTC

EC-16

Items

(CONSULT-II screen terms)

DTC*6

Reference page

CONSULT-II

GST*2

ECM*1

HO2S2 HTR (B1)

P0141

0141

EC-263

IACV/AAC VLV/CIRC

P0505

0505

EC-343

INT/V TIM V/CIR-B1

P1111

1111

EC-360

KNOCK SEN/CIRC-B1

P0325

0325

EC-291

MAF SEN/CIRCUIT*3

P0100

0100

EC-154

MULTI CYL MISFIRE

P0300

0300

EC-285

NATS MALFUNCTION

P1610 - P1615

1610 - 1615

EL-334

NO DTC IS DETECTED.
FURTHER TESTING MAYBE REQUIRED

—

0000

—

NO DTC IS DETECTED.
FURTHER TESTING MAYBE REQUIRED

—

Flashing*5

EC-73

P-N POS SW/CIRCUIT

P1706

1706

EC-402

PURG VOLUME CONT/V

P0443

0443

EC-332

SWRL CONT SOL/V (where fitted)

P1131

1131

EC-366

THRTL POS SEN/CIRC*3

P0120

0120

EC-175

TW CATALYST SYS-B1

P0420

0420

EC-327

VEH SPEED SEN/CIRC*4

P0500

0500

EC-338

*1: In Diagnostic Test Mode II (Self-diagnostic results). These numbers are controlled by NISSAN.
*2: These numbers are prescribed by ISO 15031-6.
*3: When the fail-safe operation occurs, the MI illuminates.
*4: The MI illuminates when the “Revolution sensor signal” and the “Vehicle speed sensor signal” meet the fail-safe condition at the
same time.
*5: While engine is running.
*6: 1st trip DTC No. is the same as DTC No.

P No. Index for DTC

NLEC0001S0302

DTC*6

Items

(CONSULT-II screen terms)

Reference page

CONSULT-II

GST*2

ECM*1

—

—

Unable to access ECM

EC-123

—

Flashing*5

NO DTC IS DETECTED.
FURTHER TESTING MAYBE REQUIRED.

EC-73

—

0000

NO DTC IS DETECTED.
FURTHER TESTING MAYBE REQUIRED.

—

P0100

0100

MAF SEN/CIRCUIT*3

EC-154

P0110

0110

AIR TEMP SEN/CIRC

EC-161

P0115

0115

COOLANT T SEN/CIRC*3

EC-169

P0120

0120

THRTL POS SEN/CIRC*3

EC-175

P0130

0130

HO2S1 (B1)

EC-184

P0131

0131

HO2S1 (B1)

EC-192

P0132

0132

HO2S1 (B1)

EC-198

TROUBLE DIAGNOSIS — INDEX

QG18DE

Alphabetical & P No. Index for DTC (Cont’d)

EC-17

DTC*6

Items

(CONSULT-II screen terms)

Reference page

CONSULT-II

GST*2

ECM*1

P0133

0133

HO2S1 (B1)

EC-204

P0134

0134

HO2S1 (B1)

EC-214

P0135

0135

HO2S1 HTR (B1)

EC-221

P0137

0137

HO2S2 (B1)

EC-227

P0138

0138

HO2S2 (B1)

EC-237

P0139

0139

HO2S2 (B1)

EC-246

P0140

0140

HO2S2 (B1)

EC-256

P0141

0141

HO2S2 HTR (B1)

EC-263

P0171

0171

FUEL SYS-LEAN/BK1

EC-269

P0172

0172

FUEL SYS-RICH/BK1

EC-277

P0300

0300

MULTI CYL MISFIRE

EC-285

P0301

0301

CYL 1 MISFIRE

EC-285

P0302

0302

CYL 2 MISFIRE

EC-285

P0303

0303

CYL 3 MISFIRE

EC-285

P0304

0304

CYL 4 MISFIRE

EC-285

P0325

0325

KNOCK SEN/CIRC-B1

EC-291

P0335

0335

CKP SEN/CIRCUIT

EC-295

P0340

0340

CMP SEN/CIRCUIT

EC-302

P0400 (where fitted)

0400

EGR SYSTEM

EC-310

P0403 (where fitted)

0403

EGR VOL CON/V CIR

EC-319

P0420

0420

TW CATALYST SYS-B1

EC-327

P0443

0443

PURG VOLUME CONT/V

EC-332

P0500

0500

VEH SPEED SEN/CIRC*4

EC-338

P0505

0505

IACV/AAC VLV/CIRC

EC-343

P0510 (where fitted)

0510

CLOSED TP SW/CIRC

EC-352

P0605

0605

ECM

EC-358

P1111

1111

INT/V TIM V/CIR-B1

EC-360

P1131 (where fitted)

1131

SWRL CONT SOL/V

EC-366

P1217

1217

ENG OVER TEMP

EC-373

P1401 (where fitted)

1401

EGR TEMP SEN/CIRC

EC-386

P1402 (where fitted)

1402

EGR SYSTEM

EC-393

P1610 - 1615

1610 - 1615

NATS MALFUNCTION

EL-334

P1706

1706

P-N POS SW/CIRCUIT

EC-402

*1: In Diagnostic Test Mode II (Self-diagnostic results). These numbers are controlled by NISSAN.
*2: These numbers are prescribed by ISO 15031-6
*3: When the fail-safe operation occurs, the MI illuminates.
*4: The MI illuminates when the “Revolution sensor signal” and the “Vehicle speed sensor signal” meet the fail-safe condition at the
same time.
*5: While engine is running.

TROUBLE DIAGNOSIS — INDEX

QG18DE

Alphabetical & P No. Index for DTC (Cont’d)

EC-18

*6: 1st trip DTC No. is the same as DTC No.

MODELS WITHOUT EURO-OBD SYSTEM

NLEC0001S04

Alphabetical Index for DTC

NLEC0001S0401

Items

(CONSULT-II screen terms)

DTC*6

Reference page

CONSULT-II

GST*2

ECM*1

Unable to access ECM

—

—

EC-123

CMP SEN/CIRCUIT

P0340

0340

EC-302

COOLANT T SEN/CIRC*3

P0115

0115

EC-169

ENG OVER TEMP

P1217

1217

EC-373

HO2S1 (B1)

P0130

0130

EC-184

KNOCK SEN/CIRC-B1

P0325

0325

EC-291

MAF SEN/CIRCUIT*3

P0100

0100

EC-154

NATS MALFUNCTION

P1610 - P1615

1610 - 1615

EL-334

NO DTC IS DETECTED.
FURTHER TESTING MAYBE REQUIRED

—

0000

—

NO DTC IS DETECTED.
FURTHER TESTING MAYBE REQUIRED

—

Flashing*5

EC-73

THRTL POS SEN/CIRC*3

P0120

0120

EC-175

VEH SPEED SEN/CIRC*4

P0500

0500

EC-338

*1: In Diagnostic Test Mode II (Self-diagnostic results). These numbers are controlled by NISSAN.
*2: These numbers are prescribed by ISO 15031-6.
*3: When the fail-safe operation occurs, the MI illuminates.
*4: The MI illuminates when the “Revolution sensor signal” and the “Vehicle speed sensor signal” meet the fail-safe condition at the
same time.
*5: While engine is running.
*6: 1st trip DTC No. is the same as DTC No.

P No. Index for DTC

NLEC0001S0402

DTC*6

Items

(CONSULT-II screen terms)

Reference page

CONSULT-II

GST*2

ECM*1

—

—

Unable to access ECM

EC-123

—

Flashing*5

NO DTC IS DETECTED.
FURTHER TESTING MAYBE REQUIRED.

EC-73

—

0000

NO DTC IS DETECTED.
FURTHER TESTING MAYBE REQUIRED.

—

P0100

0100

MAF SEN/CIRCUIT*3

EC-154

P0115

0115

COOLANT T SEN/CIRC*3

EC-169

P0120

0120

THRTL POS SEN/CIRC*3

EC-175

P0130

0130

HO2S1 (B1)

EC-184

P0325

0325

KNOCK SEN/CIRC-B1

EC-291

P0340

0340

CMP SEN/CIRCUIT

EC-302

P0500

0500

VEH SPEED SEN/CIRC*4

EC-338

P1217

1217

ENG OVER TEMP

EC-373

TROUBLE DIAGNOSIS — INDEX

QG18DE

Alphabetical & P No. Index for DTC (Cont’d)

EC-19

DTC*6

Items

(CONSULT-II screen terms)

Reference page

CONSULT-II

GST*2

ECM*1

P1610 - 1615

1610 - 1615

NATS MALFUNCTION

EL-334

*1: In Diagnostic Test Mode II (Self-diagnostic results). These numbers are controlled by NISSAN.
*2: These numbers are prescribed by ISO 15031-6
*3: When the fail-safe operation occurs, the MI illuminates.
*4: The MI illuminates when the “Revolution sensor signal” and the “Vehicle speed sensor signal” meet the fail-safe condition at the
same time.
*5: While engine is running.
*6: 1st trip DTC No. is the same as DTC No.

TROUBLE DIAGNOSIS — INDEX

QG18DE

Alphabetical & P No. Index for DTC (Cont’d)

EC-20

Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT
PRE-TENSIONER”

NLEC1262

The Supplemental Restraint System “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a seat
belt, help to reduce the risk or severity of injury to the driver and front passenger in a frontal collision. The
Supplemental Restraint System consists of air bag modules (located in the center of the steering wheel and
on the instrument panel on the passenger side), seat belt pre-tensioners, a diagnosis sensor unit, warning
lamp, wiring harness and spiral cable.
In addition to the supplemental air bag modules for a frontal collision, the supplemental side air bag used along
with the seat belt helps to reduce the risk or severity of injury to the driver and front passenger in a side col-
lision. The supplemental side air bag consists of air bag modules (located in the outer side of front seats),
satellite sensor, diagnosis sensor unit (one of components of supplemental air bags for a frontal collision),
wiring harness, warning lamp (one of components of supplemental air bags for a frontal collision). Information
necessary to service the system safely is included in the RS section of this Service Manual.

WARNING:

+

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be performed
by an authorized NISSAN dealer.

+

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system.

+

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified with yellow harness connector (and with
yellow harness protector or yellow insulation tape before the harness connectors).

Precautions for On Board Diagnostic (OBD)
System of Engine

NLEC0003

The ECM has an on board diagnostic system. It will light up the malfunction indicator (MI) to warn the driver
of a malfunction causing emission deterioration.

CAUTION:

+

Be sure to turn the ignition switch “OFF” and disconnect the negative battery terminal before any
repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc.
will cause the MI to light up.

+

Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MI to light up due to the open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)

+

Certain systems and components, especially those related to OBD, may use a new style slide-
locking type harness connector.
For description and how to disconnect, refer to EL section, “Description”, “HARNESS CONNEC-
TOR”.

+

Be sure to route and secure the harnesses properly after work. The interference of the harness with
a bracket, etc. may cause the MI to light up due to the short circuit.

+

Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MI to light up due to the malfunction of fuel injection system, etc.

+

Be sure to erase the unnecessary malfunction information (repairs completed) from the ECM before
returning the vehicle to the customer.

PRECAUTIONS

QG18DE

Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TENSIONER”

EC-21

SEF706Y

Engine Fuel & Emission Control System

=NLEC0004

+

Always use a 12 volt battery as power source.

+

Do not attempt to disconnect battery cables while engine
is running.

+

Before connecting or disconnecting the ECM harness
connector, turn ignition switch OFF and disconnect nega-
tive battery terminal. Failure to do so may damage the
ECM because battery voltage is applied to ECM even if
ignition switch is turned off.

SEF707Y

+

Do not disassemble ECM.

+

If a battery terminal is disconnected, the memory will
return to the ECM value.
The ECM will now start to self-control at its initial value.
Engine operation can vary slightly when the terminal is
disconnected. However, this is not an indication of a prob-
lem. Do not replace parts because of a slight variation.

SEF908W

+

When

connecting

or

disconnecting

ECM

harness

connector, use lever as shown.
When connecting, fasten connector securely with lever
moved until it stops.

SEF291H

+

When connecting or disconnecting pin connectors into or
from ECM, take care not to damage pin terminals (bend or
break).
Make sure that there are not any bends or breaks on ECM
pin terminals when connecting pin connectors.

+

Securely connect ECM harness connectors.
A Poor connection can cause an extremely high (surge)
voltage to develop in coil and condenser, thus resulting in
damage to ICs.

+

Keep ECM harness at least 10 cm (4 in) away from adja-
cent harness, to prevent an ECM system malfunctions due
to receiving external noise, degraded operation of ICs, etc.

+

Keep ECM parts and harness dry.

PRECAUTIONS

QG18DE

Engine Fuel & Emission Control System

EC-22

MEF040D

+

Handle mass air flow sensor carefully to avoid damage.

+

Do not disassemble mass air flow sensor.

+

Do not clean mass air flow sensor with any type of deter-
gent.

+

Do not disassemble IAC valve-AAC valve.

+

Even a slight leak in the air intake system can cause seri-
ous problems.

+

Do not shock or jar the camshaft position sensor and
crankshaft position sensor.

+

Before replacing ECM, perform refer to “ECM Terminals
and Reference Value” inspection and make sure ECM
functions properly, EC-133.

SAT652J

+

After performing each TROUBLE DIAGNOSIS, perform
“DTC Confirmation Procedure” or “Overall Function
Check”.
The DTC should not be displayed in the “DTC Confirma-
tion Procedure” if the repair is completed. The “Overall
Function Check” should be a good result if the repair is
completed.

SEF348N

+

When 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.

+

Do not use ECM ground terminals when measuring input/
output voltage. Doing so may result in damage to the
ECM’s transistor. Use a ground other than ECM terminals,
such as the ground.

PRECAUTIONS

QG18DE

Engine Fuel & Emission Control System (Cont’d)

EC-23

SEF605X

+

Do not operate fuel pump when there is no fuel in lines.

+

Tighten fuel hose clamps to the specified torque.

SEF709Y

+

Do not depress accelerator pedal when starting.

+

Immediately after starting, do not rev up engine unneces-
sarily.

+

Do not rev up engine just prior to shutdown.

SEF708Y

+

When installing C.B. ham radio or a mobile phone, be sure
to observe the following as it may adversely affect elec-
tronic control systems depending on installation location.

1) Keep the antenna as far as possible from the electronic

control units.

2) Keep the antenna feeder line more than 20 cm (8 in) away

from the harness of electronic controls.
Do not let them run parallel for a long distance.

3) Adjust the antenna and feeder line so that the standing-

wave ratio can be kept smaller.

4) Be sure to ground the radio to vehicle body.

Wiring Diagrams and Trouble Diagnosis

NLEC0006

When you read Wiring diagrams, refer to the following:

+

GI-11, “HOW TO READ WIRING DIAGRAMS”

+

EL-10, “POWER SUPPLY ROUTING” for power distribution cir-
cuit

When you perform trouble diagnosis, refer to the following:

+

GI-32, “HOW TO FOLLOW TEST GROUPS IN TROUBLE
DIAGNOSIS”

+

GI-21, “HOW TO PERFORM EFFICIENT DIAGNOSIS FOR
AN ELECTRICAL INCIDENT”

PRECAUTIONS

QG18DE

Engine Fuel & Emission Control System (Cont’d)

EC-24