control rod NISSAN ALMERA N16 2003 Electronic Repair Manual

Edition: August 2003
Release: October 2003 (01)
Publication No.: SM3E00-1N16E1E
Reference No.: 7711347018
GENERAL INFORMATIONGI
MAINTENANCEMA
ENGINE MECHANICAL – QGEM-QG
ENGINE MECHANICAL – YDEM-YD
ENGINE LUBRICATION &
COOLING SYSTEMSLC
ENGINE CONTROL SYSTEM – QGEC - QG
ENGINE CONTROL SYSTEM – YDEC - YD
ACCELERATOR CONTROL,
FUEL & EXHAUST SYSTEMSFE
CLUTCHCL
MANUAL TRANSAXLEMT
AUTOMATIC TRANSAXLEAT
FRONT & REAR AXLEAX
FRONT & REAR SUSPENSIONSU
BRAKE SYSTEMBR
STEERING SYSTEMST
RESTRAINT SYSTEMRS
BODY & TRIMBT
HEATER & MANUAL AIR CONDITIONERHA
AUTOMATIC AIR CONDITIONERATC
STARTING & CHARGING SYSTEMSSC
ELECTRICAL SYSTEMEL
ALPHABETICAL INDEXIDX
ALMERA
MODEL N16 SERIES
NISSAN EUROPE S.A.S.
© 2003 NISSAN EUROPE S.A.S.
Produced in The Netherlands
Not to be reproduced in whole or in part
without the prior written permission of
Nissan Europe S.A.S., Paris, France.
QUICK REFERENCE INDEX

GENERAL INFORMATION
SECTION
GI
CONTENTS
PRECAUTIONS<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011001100110011[3
Precautions <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011[..............3
PRECAUTIONS FOR SUPPLEMENTAL
RESTRAINT SYSTEM (SRS)″AIR BAG″AND
″SEAT BELT PRE-TENSIONER″
.................................3
PRECAUTIONS FOR NATS (NISSAN ANTI-THEFT
SYSTEM)
<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011001100110011[...3
GENERAL PRECAUTIONS.........................................4
PRECAUTIONS FOR MULTIPORT FUEL
INJECTION SYSTEM OR ENGINE CONTROL
SYSTEM
<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011001100110011[....6
PRECAUTIONS FOR THREE WAY CATALYST...........6
PRECAUTIONS FOR HOSES.....................................6
PRECAUTIONS FOR ENGINE OILS...........................7
PRECAUTIONS FOR FUEL........................................8
PRECAUTIONS FOR AIR CONDITIONING..................9
HOW TO USE THIS MANUAL......................................10
HOW TO READ WIRING DIAGRAMS..........................12
Sample/Wiring Diagram - EXAMPL - ........................12
OPTIONAL SPLICE..................................................13
Description <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011[.............14
CONNECTOR SYMBOLS.........................................16
HARNESS INDICATION...........................................17
COMPONENT INDICATION......................................17
SWITCH POSITIONS...............................................17
DETECTABLE LINES AND NON-DETECTABLE
LINES
<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011001100110011[......18
MULTIPLE SWITCH.................................................19
REFERENCE AREA.................................................20
HOW TO PERFORM EFFICIENT DIAGNOSES
FOR AN ELECTRICAL INCIDENT...............................22
Work Flow <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011001100110011[...........22
Incident Simulation Tests ...........................................23
INTRODUCTION<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011>3
VEHICLE VIBRATION..............................................23
HEAT SENSITIVE<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011>4
FREEZING<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011001100110011001100110011001100110011>24
WATER INTRUSION................................................25
ELECTRICAL LOAD.................................................25
COLD OR HOT START UP.......................................25
Circuit Inspection .......................................................25
INTRODUCTION<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011>5
TESTING FOR″OPENS″IN THE CIRCUIT................26
TESTING FOR″SHORTS″IN THE CIRCUIT..............27
GROUND INSPECTION...........................................28
VOLTAGE DROP TESTS..........................................28
CONTROL UNIT CIRCUIT TEST...............................30
HOW TO FOLLOW TROUBLE DIAGNOSES...............32
How to Follow Test Groups in Trouble Diagnoses ....33
Key to Symbols Signifying Measurements or
Procedures<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[............34
CONSULT-II CHECKING SYSTEM...............................36
Function and System Application ..............................36
Nickel Metal Hydride Battery Replacement...............37
Checking Equipment..................................................37
CONSULT-II Data Link Connector (DLC) Circuit ......38
INSPECTION PROCEDURE.....................................38
IDENTIFICATION INFORMATION................................39
Model Variation ..........................................................39
FOR EUROPE<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011>9
FOR AUSTRALIA, NEW ZEALAND AND SOUTH
AFRICA
<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011001100110011001100110011[....39
PREFIX AND SUFFIX DESIGNATIONS.....................40
Identification Number .................................................40
VEHICLE IDENTIFICATION NUMBER
ARRANGEMENT
<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011>1
IDENTIFICATION PLATE..........................................41
ENGINE SERIAL NUMBER.......................................42
AUTOMATIC TRANSAXLE NUMBER........................42
MANUAL TRANSAXLE NUMBER..............................43
Dimensions <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[...........44
Wheels and Tires .......................................................44
LIFTING POINTS AND TOW TRUCK TOWING...........45
Preparation <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011[............45
SPECIAL SERVICE TOOLS......................................45
Board-on Lift <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11[...........45
Garage Jack and Safety Stand .................................46
2-pole Lift <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[..............47
Tow Truck Towing ......................................................48
TOWING AN AUTOMATIC TRANSAXLE MODEL
WITH FOUR WHEELS ON GROUND
........................48
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX

no voltage; short is further down the circuit than the relay.
5) With SW1 closed, relay contacts jumped with fused jumper
wire check for voltage.
voltage; short is down the circuit of the relay or between the
relay and the disconnected solenoid (point C).
no voltage; retrace steps and check power to fuse block.
GROUND INSPECTIONNJGI0005S0304Ground connections are very important to the proper operation of
electrical and electronic circuits. Ground connections are often
exposed to moisture, dirt and other corrosive elements. The corro-
sion (rust) can become an unwanted resistance. This unwanted
resistance can change the way a circuit works.
Electronically controlled circuits are very sensitive to proper
grounding. A loose or corroded ground can drastically affect an
electronically controlled circuit. A poor or corroded ground can eas-
ily affect the circuit. Even when the ground connection looks clean,
there can be a thin film of rust on the surface.
When inspecting a ground connection follow these rules:
1) Remove the ground bolt or screw.
2) Inspect all mating surfaces for tarnish, dirt, rust, etc.
3) Clean as required to assure good contact.
4) Reinstall bolt or screw securely.
5) Inspect for “add-on” accessories which may be interfering with
the ground circuit.
6) If several wires are crimped into one ground eyelet terminal,
check for proper crimps. Make sure all of the wires are clean,
securely fastened and providing a good ground path. If multiple
wires are cased in one eyelet make sure no ground wires have
excess wire insulation.
SGI853
VOLTAGE DROP TESTSNJGI0005S0305Voltage drop tests are often used to find components or circuits
which have excessive resistance. A voltage drop in a circuit is
caused by a resistancewhen the circuit is in operation.
Check the wire in the illustration. When measuring resistance with
ohmmeter, contact by a single strand of wire will give reading of 0
ohms. This would indicate a good circuit. When the circuit operates,
this single strand of wire is not able to carry the current. The single
HOW TO PERFORM EFFICIENT DIAGNOSES FOR AN ELECTRICAL INCIDENT
Circuit Inspection (Cont’d)
GI-28

EM-68
[QG]
ENGINE ASSEMBLY
WARNING:
●Position vehicle on a flat and solid surface.
●Place chocks at front and back of rear wheels.
●Do not remove engine until exhaust system has completely cooled off, otherwise, you may burn
yourself and/or fire may break out in fuel line.
●Before disconnecting fuel hose, release pressure.
Refer to EC-34 (WITH EURO-OBD), EC-428 (WITHOUT EURO-OBD).
●Be sure to lift engine and transaxle in a safe manner.
●For engines not equipped with engine slingers, attach proper slingers and bolts described in
PARTS CATALOG.
CAUTION:
●When lifting engine, be sure to clear surrounding parts. Use special care near accelerator wire
casing, brake lines and brake master cylinder.
●When lifting the engine, always use engine slingers in a safe manner.
●When removing drive shaft, be careful not to damage grease seal of transaxle.
●Before separating engine and transaxle, remove crankshaft position sensor (POS) from the cylin-
der block assembly.
●Always be extra careful not to damage edge of crankshaft position sensor (POS), or signal plate
teeth.
Engine cannot be removed separately from transaxle. Remove engine with transaxle as an assembly.
REMOVAL
1. Drain coolant from radiator and cylinder block. Refer to LC-17, "Chacking Engine Coolant".
2. Remove coolant reservoir tank and bracket.
3. Drain engine oil.
4. Remove battery and battery tray.
5. Remove air cleaner and air duct.
6. Remove drive belts.
7. Remove alternator and air conditioner compressor from engine.
8. Remove power steering oil pump from engine and position aside.
Power steering oil pump does not need to be disconnected from power steering tubes.
9. Remove the following parts:
●RH and LH front tires
●Splash covers
●RH and LH brake caliper assemblies
Refer to BR-28,"Removal".
Brake hose does not need to be disconnected from brake
caliper assembly. Never depress brake pedal.
●RH & LH drive shaft. Refer to AX-11, "Removal".
When removing drive shaft, be careful not to damage
transaxle side grease seal.
●Disconnect control rod and support rod from transaxle. (M/T
models.)
Refer to MT-26, "Removal".
●Disconnect control cable from transaxle. (A/T models.)
Refer to AT-411, "Removal".
SEM174D
SEM109G

EM-104
[QG]
SERVICE DATA AND SPECIFICATIONS (SDS)
CONNECTING ROD BEARING
Standard Size
Unit: mm (in)
Undersize
Unit: mm (in)
Bearing Clearance
Unit: mm (in)
MISCELLANEOUS COMPONENTS
Unit: mm (in)
*: Total indicator reading
Tightening TorqueEBS00LQQ
*1: Parts to be tightened in particular orders.
1)-: Order of tightening when tightening two or more times separately.
Unit: N·m (kg-m, ft-lb) / Unit: N·m (kg-m, in-lb)*2
Grade No. Thickness Identification color or number
0 1.503 - 1.506 (0.0592 - 0.0593) Block
1 1.506 - 1.509 (0.0593 - 0.0594) Red
2 1.509 - 1.512 (0.0594 - 0.0595) Green
Grade No. Thickness Identification color or number
0.08 (0.0031) 1.542 - 1.546 (0.0607 - 0.0609) —
0.12 (0.0047) 1.562 - 1.566 (0.0615 - 0.0617) —
0.25 (0.0098) 1.627 - 1.631 (0.0641 - 0.0642) —
Connecting rod bearing clear-
anceStandard 0.014 - 0.039 (0.0006 - 0.0015)
Limit 0.1 (0.004)
Flywheel runout [TIR*] Less than 0.1 (0.004)
Camshaft sprocket runout [TIR*] Less than 0.15 (0.0059)
Mass air flow sensor
8.4 - 10.8 (0.9 - 1.1, 75 - 95)*2
Resonator
3.8 - 4.5 (0.39 - 0.45, 34 - 39)*2
Air cleaner case lower
3.8 - 4.5 (0.39 - 0.46, 34 - 39)*2
Intake manifold16.7 - 23.5 (1.7 - 2.4, 13 - 17)
Intake manifold collector
7.0 - 9.5 (0.71 - 0.97, 62 - 84)*
2
Intake manifold support 16.7 - 23.5 (1.7 - 2.4, 13 - 17)
Electric throttle control actuator 17.7 - 21.6 (1.8 - 2.2, 13 - 15)
Exhaust manifold25.5 - 29.4 (2.6 - 2.9, 19 - 21)
Exhaust manifold cover
6.3 - 8.3 (0.64 - 0.85, 56 - 73)*
2
Heated oxygen sensor 58.8 - 78.4 (6.0 - 7.9, 44 - 57)
Ground nut79.4 (8.1, 59)
Oil pan
6.28 - 8.34 (0.64 - 0.85, 56 - 73)*
2
Oil pan drain plug29.4 - 39.2 ( 3.0 - 3.9, 22 - 28)
Oil strainer
6.28 - 8.34 (0.64 - 0.85, 56 - 73)*
2
Ignition coil
3.8 - 5.0 (0.38 - 0.51, 33 - 44)*2
Spark plug19.6 - 29.4 (2.0 - 3.0, 15 - 21)
*1 Fuel tube1) 11.8 - 13.8 (1.2 - 1.4, 9 - 10 )
2) 17 - 23 (1.7 - 2.4, 13 - 17)
Rocker cover
6.9 - 9.5 (0.70 - 0.97, 61 - 84)*
2

SERVICE DATA AND SPECIFICATIONS (SDS)
EM-105
[QG]
C
D
E
F
G
H
I
J
K
L
MA
EM
Intake valve timing control solenoid valve
6.3 - 8.3 (0.64 - 0.85, 56 - 73)*2
Camshaft position sensor (PHASE)
7.2 - 10.8 (0.73 - 1.1, 64 - 95) *2
Camshaft sprocket (INT) 78.4 - 88.2 (8.0 - 9.0, 58 - 65)
Camshaft sprocket (EXH) 98.1 - 127.5 (10.0 - 13.0, 73 - 94)
*1 Camshaft bracket 1)
2.0 (0.2, 18) *
2
2)
5.9 (0.6, 52) *2
3)
9.0 - 11.8 (0.92 - 1.20, 80 - 104)*2
Crankshaft pulley132.4 - 152.0 (14.0 - 15.0, 98 - 112)
Front cover
6.92 - 9.51 (0.71 - 0.97, 62 - 84)*
2
Timing chain tension guide 15.7 - 20.6 (1.6 - 2.1, 12 - 15)
*1 Cylinder head 1) 29.4 (3.0, 22)
2) 58.8 (6.0, 43)
3) 0 (0.0, 0)
4) 27.4 - 31.4 (2.8 - 3.2, 21 - 23)
5) 50° - 55° (Angle tightening)
Cylinder head front cover
6.92 - 9.5 (0.71 - 0.96, 62 - 84)*
2
Flywheel (M/T)83.4 - 93.2 (8.5 - 9.5, 62 - 68)
Drive plate (A/T)93.2 - 103 (9.5 - 10.5, 69 - 75)
*1 Connecting rod bearing cap 1) 13.72 - 15.68 (1.4 - 1.5, 10.2 - 11 . 5 )
2) 35° - 40° (Angle tightening)
Knock sensor15.7 - 20.6 (1.6 - 2.1, 12 - 15)
Crankshaft position sensor (POS)
7.2 - 10.8 (0.8 - 1.1, 64 - 95)*
2
Rear oil seal retainer
6.3 - 8.3 (0.65 - 0.84, 56 - 73)*2
Signal plate
7.6 - 9.2 (0.78 - 0.93, 68 - 81)*2

crankshaft position sensor (TDC sensor) from the assem-
bly.
Always pay extra attention not to damage edge of crank-
shaft position sensor (TDC sensor) or ring gear teeth.
REMOVALNJEM0069S011. Remove engine undercover, and hood for hoisting.
2. Drain coolant from both cylinder block and radiator. Refer to
LC-43, “Changing Engine Coolant”.
3. Remove the following parts:
Battery
RH and LH front wheels
RH and LH splash covers (combined with undercover)
Auxiliary belts
Alternator
Alternator brackets
Radiator and cooling fan
Engine cover
Air ducts and air cleaner case
LH side of engine room:
4. Disconnect all harnesses and grounds that are connected to
components on vehicle.
5. Disconnect vacuum hose on vacuum pump side.
6. Disconnect fuel feed and fuel return hoses on engine side.
Immediately put blind plugs into the openings to prevent
fuel from flowing out.
7. Disconnect heater hose. Plug opening of hose to prevent cool-
ant from flowing out.
RH side of engine room:
8. Remove air conditioner compressor from brackets and move
it toward vehicle side. Secure compressor on vehicle side with
rope.
Vehicle underside:
9. Remove exhaust front tube.
10. Disconnect two hoses from power steering pump and plug to
stop fluid.
11. Remove M/T control rod and support rod.
12. Remove ABS wheel sensor, and temporarily hang brake cali-
per with rope on vehicle side.
13. Remove RH and LH drive shafts.
YEM024
14. Install engine slingers to cylinder head.
: 30 - 37 N·m (3.0 - 3.8 kg-m, 22 - 27 ft-lb)
Use engine slingers and securing bolts of the specified
service parts.
15. Lift up vehicle to appropriate level where work can be per-
formed efficiently. Using two transmission jacks, securely sup-
port engine oil pan and bottom surface of transaxle.
ENGINE ASSEMBLYYD
Removal and Installation (Cont’d)
EM-64

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION
A
EC
ENGINE CONTROL SYSTEM
QG (WITH EURO-OBD)
INDEX FOR DTC ...................................................... 10
Alphabetical Index .................................................. 10
DTC No. Index ....................................................... 12
PRECAUTIONS ........................................................ 15
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 15
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 15
Precaution .............................................................. 15
Wiring Diagrams and Trouble Diagnosis ................ 18
PREPARATION ......................................................... 19
Special Service Tools ............................................. 19
Commercial Service Tools ...................................... 19
ENGINE CONTROL SYSTEM .................................. 21
System Diagram ..................................................... 21
Vacuum Hose Drawing ........................................... 22
System Chart ......................................................... 23
Multiport Fuel Injection (MFI) System .................... 23
Electronic Ignition (EI) System ............................... 25
Air Conditioning Cut Control ................................... 26
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 27
CAN Communication .............................................. 27
BASIC SERVICE PROCEDURE .............................. 30
Idle Speed and Ignition Timing Check .................... 30
Accelerator Pedal Released Position Learning ...... 31
Throttle Valve Closed Position Learning ................ 31
Idle Air Volume Learning ........................................ 31
Fuel Pressure Check .............................................. 34
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 36
Introduction ............................................................ 36
Two Trip Detection Logic ........................................ 36
Emission-related Diagnostic Information ................ 37
NATS (Nissan Anti-theft System) ........................... 49
Malfunction Indicator (MI) ....................................... 49
OBD System Operation Chart ................................ 52
TROUBLE DIAGNOSIS ............................................ 58
Trouble Diagnosis Introduction ............................... 58DTC Inspection Priority Chart ................................. 62
Fail-safe Chart ........................................................ 63
Basic Inspection ..................................................... 65
Symptom Matrix Chart ............................................ 70
Engine Control Component Parts Location ............ 74
Circuit Diagram ....................................................... 78
ECM Harness Connector Terminal Layout ............. 80
ECM Terminals and Reference Value ..................
... 80
CONSULT-II Function ............................................. 87
Generic Scan Tool (GST) Function ......................... 97
CONSULT-II Reference Value in Data Monitor Mode
... 99
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................102
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .105
Description ............................................................105
Testing Condition ..................................................105
Inspection Procedure ............................................105
Diagnostic Procedure ...........................................106
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................109
Description ............................................................109
Diagnostic Procedure ...........................................109
POWER SUPPLY CIRCUIT FOR ECM ...................110
Wiring Diagram .....................................................110
Diagnostic Procedure ............................................111
Component Inspection ..........................................115
DTC U1000, U1001 CAN COMMUNICATION LINE .116
Description ............................................................116
On Board Diagnosis Logic ....................................116
DTC Confirmation Procedure ...............................116
Wiring Diagram .....................................................117
Diagnostic Procedure ...........................................118
DTC P0011 IVT CONTROL .....................................119
Description ............................................................119
CONSULT-II Reference Value in Data Monitor Mode
.119
On Board Diagnosis Logic ....................................120
DTC Confirmation Procedure ...............................120
Diagnostic Procedure ...........................................121

EC-5
C
D
E
F
G
H
I
J
K
L
M
ECA Wiring Diagram .................................................... 353
Diagnostic Procedure ........................................... 354
DTC P1706 PNP SWITCH ...................................... 356
Component Description ........................................ 356
CONSULT-II Reference Value in Data Monitor Mode
. 356
On Board Diagnosis Logic ................................... 356
DTC Confirmation Procedure ............................... 356
Overall Function Check ........................................ 357
Wiring Diagram .................................................... 358
Diagnostic Procedure ........................................... 359
DTC P1805 BRAKE SWITCH ................................ 360
Description ........................................................... 360
CONSULT-II Reference Value in Data Monitor Mode
. 360
On Board Diagnosis Logic ................................... 360
DTC Confirmation Procedure ............................... 360
Wiring Diagram .................................................... 361
Diagnostic Procedure ........................................... 362
Component Inspection ......................................... 364
IGNITION SIGNAL .................................................. 365
Component Description ........................................ 365
Wiring Diagram .................................................... 366
Diagnostic Procedure ........................................... 369
Component Inspection ......................................... 373
Removal and Installation ...................................... 374
INJECTOR CIRCUIT ............................................... 375
Component Description ........................................ 375
CONSULT-II Reference Value in Data Monitor Mode
. 375
Wiring Diagram .................................................... 376
Diagnostic Procedure ........................................... 377
Component Inspection ......................................... 380
Removal and Installation ...................................... 380
FUEL PUMP CIRCUIT ............................................ 381
Description ........................................................... 381
CONSULT-II Reference Value in Data Monitor Mode
. 381
Wiring Diagram .................................................... 382
Diagnostic Procedure ........................................... 383
Component Inspection ......................................... 385
Removal and Installation ...................................... 386
REFRIGERANT PRESSURE SENSOR ................. 387
Component Description ........................................ 387
Wiring Diagram .................................................... 388
Diagnostic Procedure ........................................... 389
Removal and Installation ...................................... 391
ELECTRICAL LOAD SIGNAL ................................ 392
Description ...................................................
........ 392
CONSULT-II Reference Value in Data Monitor Mode
. 392
Wiring Diagram .................................................... 393
Diagnostic Procedure ........................................... 394
MI & DATA LINK CONNECTORS .......................... 397
Wiring Diagram—LHD Models ............................. 397
Wiring Diagram—RHD Models ............................ 398
EVAPORATIVE EMISSION SYSTEM ..................... 399
Description ........................................................... 399
Component Inspection ......................................... 401POSITIVE CRANKCASE VENTILATION ...............402
Description ............................................................402
Component Inspection ..........................................402
SERVICE DATA AND SPECIFICATIONS (SDS) ....404
Fuel Pressure .......................................................404
Idle Speed and Ignition Timing .............................404
Calculated Load Value ..........................................404
Mass Air Flow Sensor ...........................................404
Intake Air Temperature Sensor .............................404
Engine Coolant Temperature Sensor ...................404
Heated Oxygen Sensor 1 Heater .........................404
Heated Oxygen sensor 2 Heater ..........................404
Crankshaft Position Sensor (POS) .......................404
Camshaft Position Sensor (PHASE) ....................404
Throttle Control Motor ...........................................405
Injector ..................................................................405
Fuel Pump ............................................................405
QG (WITHOUT EURO-OBD)
INDEX FOR DTC .....................................................406
Alphabetical Index ................................................406
DTC No. Index ......................................................407
PRECAUTIONS ......................................................409
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ...............................................................409
On Board Diagnostic (OBD) System of Engine ....409
Precaution ............................................................409
Wiring Diagrams and Trouble Diagnosis ..............412
PREPARATION .......................................................413
Special Service Tools ...........................................413
Commercial Service Tools ....................................413
ENGINE CONTROL SYSTEM ................................415
System Diagram ...................................................415
Vacuum Hose Drawing .........................................416
System Chart ........................................................417
Multiport Fuel Injection (MFI) System ...................417
Electronic Ignition (EI) System .............................419
Air Conditioning Cut Control .................................420
Fuel Cut Control (at No Load and High Engine
Speed) ..................................................................421
CAN Communication ............................................421
BASIC SERVICE PROCEDURE .............................424
Idle Speed and Ignition Timing Check ..................424
Accelerator Pedal Released Position Learning ....425
Throttle Valve Closed Position Learning ...............425
Idle Air Volume Learning ......................................425
Fuel Pressure Check ............................................427
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..........429
Introduction ...........................................................429
Two Trip Detection Logic ......................................429
Emission-related Diagnostic Information ..............429
NATS (Nissan Anti-theft System) .........................431
Malfunction Indicator (MI) .....................................432
TROUBLE DIAGNOSIS ..........................................436
Trouble Diagnosis Introduction .............................436
DTC Inspection Priority Chart ...............................440
Fail-safe Chart ......................................................441

EC-36
[QG (WITH EURO-OBD)]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
ON BOARD DIAGNOSTIC (OBD) SYSTEM
PFP:00028
IntroductionEBS00K3F
The ECM has an on board diagnostic system, which detects malfunctions related to engine sensors or actua-
tors. The ECM also records various emission-related diagnostic information including:
The above information can be checked using procedures listed in the table below.
×: Applicable —: Not applicable
*1: 1st trip DTCs for self-diagnoses concerning SRT items cannot be shown on the GST display.
*2: When DTC and 1st trip DTC simultaneously appear on the display, they cannot be clearly distinguished from each other.
The malfunction indicator (MI) on the instrument panel lights up when the same malfunction is detected in two
consecutive trips (Two trip detection logic), or when the ECM enters fail-safe mode. (Refer to EC-63
.)
Two Trip Detection LogicEBS00K3G
When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the
ECM memory. The MI will not light up at this stage. <1st trip>
If the same malfunction is detected again during the next drive, the DTC and Freeze Frame data are stored in
the ECM memory, and the MI lights up. The MI lights up at the same time when the DTC is stored. <2nd trip>
The “trip” in the “Two Trip Detection Logic” means a driving mode in which self-diagnosis is performed during
vehicle operation. Specific on board diagnostic items will cause the ECM to light up or blink the MI, and store
DTC and Freeze Frame data, even in the 1st trip, as shown below.
×: Applicable —: Not applicable
When there is an open circuit on MI circuit, the ECM cannot warn the driver by lighting MI up when there is
malfunction on engine control system.
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected as
NG for 5 trips, ECM warns the driver that engine control system malfunctions and MI circuit is open by means
of operating fail-safe function.
Emission-related diagnostic information ISO Standard
Diagnostic Trouble Code (DTC) Mode 3 of ISO 15031-5
Freeze Frame data Mode 2 of ISO 15031-5
System Readiness Test (SRT) code Mode 1 of ISO 15031-5
1st Trip Diagnostic Trouble Code (1st Trip DTC) Mode 7 of ISO 15031-5
1st Trip Freeze Frame data
Test values and Test limits Mode 6 of ISO 15031-5
Calibration ID Mode 9 of ISO 15031-5
DTC 1st trip DTCFreeze Frame
data1st trip Freeze
Frame dataSRT code Test value
CONSULT-II×× × × ×—
GST×
×*
1×—××
ECM×
×*
2————
ItemsMI DTC 1st trip DTC
1st trip 2nd trip
1st trip
displaying2nd trip
displaying1st trip
displaying2nd trip
display-
ing BlinkingLighting
upBlinkingLighting
up
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0304 is being detected×———— —×—
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0304 is being detected——×——×——
One trip detection diagnoses
(Refer to EC-10
.)—×——×—×—
Except above — — —×—××—