VIOS威馳汽車培訓(xùn)手冊-VIOS Engine (NZ type)

1NZ-FE

/

2NZ-FE

EngineEngine

OverallEngine

ProperValve

mechanismCooling

SystemIntakeand

Exhaust

SystemFuel

SystemIgnition

SystemEngine

Control

System1NZ-FE

/

2NZ-FE

EngineEngine

Overall4-cylinder,

16-valve,

DOHC,

Chain

drive

withVVT-i

engines,Tier

1

(Taiwan

model),Euro

STEP

III

(Thailand

and

Philippines)1NZ-FE

/

2NZ-FE

EngineEngine

OverallEngine

SpecificationEngine1NZ-FE2NZ-FENo.

of

Cylinders

and

Arrangement4-cylinder,

In-lineValve

Mechanism16-valve,

DOHC,

Chain

DriveDisplacement [cm3

(cu.

in.)]1497

(91.3)1299

(79.3)Bore

x

Stroke

[mm

(in.)]75.0

x

84.7

(2.95

x

3.33)75.0

x

73.5

(2.95

x

2.89)Compression

Ratio10.5

:

1Maximum

Output

[kW

/

rpm]80

/

6,00063

/

6,000Maximum

Torque

[N·m

/

rpm]142

/

4,200122

/

4,400Valve

TimingIntakeOpen-7

33

BTDCClose52

12

ABDCExhaustOpen42

BBDC34BBDCClose2

ATDCResearch

Octane

Number

(RON)-R:

92

or

more,

-T,-M:

91

or

moreOil

Viscosity5W-30Oil

GradeAPI

SL-EC

or

ILSAC

GF-31NZ-FE

/

2NZ-FE

EngineEngine

ProperOffset

Crankshaft–

The

side

force

when

the

maximum

pressure

isapplied

has

been

reduced

and

fuel

economy

hasbeen

improvedCrankshaft

CenterBoreCenterOffset

12

mm1NZ-FE

/

2NZ-FE

EngineEngine

ProperPiston–

The

top

of

the

piston

is

used

a

taper

squishshape

to

improve

combustion

performanceTaper

SquishShape1NZ-FE

/

2NZ-FE

EngineValve

MechanismOverall–

A

roller

timing

chain

is

used

to

achievemaintenance

freeDisconnect

theAdjusting

ShimTiming

ChainVVT-iControllerChainTensioner1NZ-FE

/

2NZ-FE

EngineCooling

SystemRadiator

and

Cooling

Fan–

An

aluminum

radiator

core

and

fan

shroudintegration

type

reservoir

tank

are

used

forweight

reductionReservoir

TankCooling

FanAluminumRadiator

Core1NZ-FE

/

2NZ-FE

EngineIntakeand

Exhaust

SystemAir

Cleaner–

A

frameless,

full-fablic

air

cleaner

element

isused

to

reduce

weightreduction

and

to

simplifyits

disposalExhaust

pipe:

1NZ-FE

and

2NZ-FE

engines

used

same

exhaust

pipe

(Common

parts)Stainless

is

used

for

pipe

and

mufflerTWC

capacity:

11R1NZ-FE

/

2NZ-FE

EngineIntakeand

Exhaust

SystemExhaust

Pipe–

Stainless

exhaust

pipe

is

used

for

weightreductionDual

pipeconstruction

TWC Sub

Muffler Main

MufflerHeated

OxygenSensorHeated

Oxygen

Sensor(Except

Taiwan)Ball

Joint1NZ-FE

/

2NZ-FE

EngineIntakeand

Exhaust

SystemTWC

(Three-way

Catalytic

Converter)–

Ultra

thin

wall,high-cell

type

TWC

has

beenadopted.

Thus

it

improves

exhaust

emissionCell

Pitch1.27

mmWallsmVolume

[cm3

(in.)]1083

(66.1)62

(400)Thicknes

Cell

Density

[cells/cm2(cells/in2)]0.075

m

Wall

Thickness

[mm

(in)]0.075

(0.0030)1NZ-FE

/

2NZ-FE

EngineFuel

SystemFuel

Pump–

A

compact

fuel

pump

in

which

a

fuel

filter

andpressureregulator

are

integrated

in

the

modulefuel

pump

assembly

is

usedFuel

FilterFuelPumpPressureRegulatorSender

Gauge[Module

Type

Fuel

Pump]Fuel

PumpPressureRegulatorFuel

CutoffValve1NZ-FE

/

2NZ-FE

EngineFuel

SystemFuel

Returnless

System–

This

system

helps

prevent

the

internaltemperature

of

thefuel

tank

from

rising,and

reducesevaporative

emissionsInjectorDeliveryPipePulsationDumper[Fuel

Tank]Pressure

RegulatorFuelPump:

Only

the

quantity

requiredoffuelis

supplied:

The

fuel

of

a

surplus

quantityis

returnedFuelFilterFuelCutoffValve1NZ-FE

/

2NZ-FE

EngineFuel

SystemInjector–

Compact

12-hole

type

injector

is

used

toimprove

the

atomization

of

fuel12

Holes1NZ-FE

/

2NZ-FE

EngineIgnition

SystemDIS

(Direct

Ignition

System)–

Ignition

coil

integrated

with

the

igniter1NZ-FE

/

2NZ-FE

EngineIgnition

SystemSpark

Plug–

A

compact

with

resister

type

is

usedEngine1NZ-FE2NZ-FEDENSOK16R-UK16R-U11NGKBKR5EYABKR5EYA11Plug

Gap1.0-1.1

mm

(0.039-0.043

in.)MaintenancePitchEvery

20,000

kmor

every

24

months????1NZ-FE

/

2NZ-FE

EngineEngine

Control

SystemThe

Maine

Components

of

Engine

Control

SystemDestinationTaiwanThailand

and

PhilippinesEngine1NZ-FE1NZ-FE2NZ-FECPU32

bitEmissionTier

1EuroSTEP

IIIMass

Air

Flow

MeterHot-wire

TypeCrankshaft

Position

Sensor(Rotor

Teeth)Pick-up

Coil

Type

(36-2)Camshaft

Position

Sensor

(RotorTeeth)Pick-up

Coil

Type

(3)Throttle

Position

SensorLinear

TypeKnock

SensorPiezoelectric

Element

TypeOxygen

SensorOxygenSensor

x

1Heated

Oxygen

Sensor

x2Injector12-holeType(Independent

Injection)IgnitionS-TDIIAC

ValveRotary

Solenoid

Type1NZ-FE

/

2NZ-FE

EngineEngine

Control

SystemVVT-i

(Variable

Valve

Timing-intelligent)

System–

The

VVT-i

system

is

designed

to

controltheintake

camshaft

to

provide

a

valve

timing

that

isoptimally

suited

to

the

engine

conditionEngine

ECUCrankshaftPositionSensorVVT-iControllerCamshaftTiming

OilControlValveWater

Temp.SensorCamshaft

Position

SensorThrottlePositionSensorAir

FlowMeter1NZ-FE

/

2NZ-FE

EngineEngine

Control

SystemVVT-i

System–

Inproportionof

the

following

signal,

the

engineECU

calculates

an

optimal

valve

timing[Engine

ECU]Crankshaft

Position

SensorThrottle

Position

SensorCamshaft

TimingOil

Control

ValveAirFlow

MeterActual

Valve

TimingVehicle

Speed

SensorCamshaft

Position

SensorWater

Temp.

SensorTarget

ValveTimingCorrectionDuty

ControlFeedback1NZ-FE

/

2NZ-FE

EngineEngine

Control

SystemVVT-i

System–

VVT-i

operating

conditionOperation

StateValve

TimingEffectIdleEXINStable

idle

rpm

better

fuel

economyLight

LoadRetardEXINEnsured

engine

stabilityMedium

LoadAdvanceEXINBetter

fuel

economy

improved

emissioncontrolLow/Middle

speedHeavy

LoadEXINAdvanceImprovedtorque/outputHigh

speedHeavy

LoadEXINImproved

outputLow

Temp.EXINStable

fast

idle

better

fuel

economyStarting/StoppingEXINImproved

starting