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Model Outline KD Series Engine Chassis Body Body Electrical
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Model Outline KD Series Engine Chassis Body Body Electrical
Engine OverallEngine ProperValve MechanismLubrication System Intake and Exhaust SystemCommon-rail SystemFuel SystemCharging SystemSerpentine Belt Drive SystemEngine Control System
Model Outline KD Series Engine Chassis Body Body Electrical
Engine Overall1KD-FTV / 2KD-FTV– TOYOTA D-4D, 3.0 / 2.5 liter, in-line 4-cylinder, 16
valve DOHC with turbocharged diesel engine
1KD-FTV 2KD-FTV
Model Outline KD Series Engine Chassis Body Body Electrical
Engine Overall1KD-FTV / 2KD-FTV Specifications
Item1KD-FTV(HILUX,
FORTUNER)
2KD-FTV(HILUX, FORTUNER,
INNOVA)
No. of Cylinders & Arrangement 4-Cylinder, In-line
Valve Mechanism16-Valve DOHC,
Belt & Gear Drive
Fuel System Common-Rail Type
Intercooler With Without / With *2
Displacement cm3 (cu. in.) 2,982 (182.0) 2,492 (152.2)
Bore x Strokemm (in.)
96.0 x 103.0(3.78 x 4.06)
92.0 x 93.8(3.62 x 3.69)
Compression Ratio 18.4 18.5
Max. OutputkW @ rpm
120 @ 3,40075 @ 3,600
88 @ 3,600 *2
Max. TorqueN·m @ rpm
343 @1,400 ~ 3,200
200 @ 1,400 ~ 3,200260 @ 1,600 ~ 2,400 *1
320 @ 2,000 *2
*1: 2KD-FTV High Version*2: 2KD-FTV High Version (HILUX for Thai only)
Model Outline KD Series Engine Chassis Body Body Electrical
Engine OverallFeatures– Engine compartment
Fuel Filter•Fuel filter warning (clogging detection)
•Element replacing type
SLLC
Rotary Solenoid Type Diesel Throttle
VN Type Turbocharger(1KD only)
Photo: 1KD-FTV
Model Outline KD Series Engine Chassis Body Body Electrical
Engine OverallFeatures– Under floor Fuel Cooler
(with intercooler model only)
Front
Model Outline KD Series Engine Chassis Body Body Electrical
Engine ProperPiston– In conjunction with the adoption of direct injection,
combustion chamber is provided on piston
Combustion Chamber
Ni-resist Cast Iron
Ring Carrier
Cooling Channel
1KD-FTV 2KD-FTV
SIRM Ring
Carrier
Model Outline KD Series Engine Chassis Body Body Electrical
Valve MechanismTiming Belt– Maintenance interval: replace at every 150,000 km
Timing Belt
Automatic Belt
Tensioner
Camshaft Timing
Pulley No. 2
Camshaft Timing
Pulley No. 1
Oil Pump Drive Gear
Crankshaft Timing Gear
Supply Pump Drive Gear
Idle Gear
Vacuum Pump Drive Gear
Model Outline KD Series Engine Chassis Body Body Electrical
Lubrication SystemLubrication System– Overall
• Lubrication is fully pressurized and all oil passes through an oil cooler and oil filter
Oil Cooler
Oil Filter
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemIntake Shutter Valve– Rotary solenoid type intake shutter valve is used to
improve EGR performanceEngine
ConditionValve
PositionPurpose
StartingFull
OpenReduced Diesel Smoke
RunningSmall -
Full Open
Controls EGR amount
StopFull
CloseReduced noise and vibration
Rotary Solenoid type Motor
Intake Shutter Valve Position Sensor
Intake Shutter Valve
Air flow
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemIntake Shutter Valve– Construction
Hall ICHall IC
MagnetMagnet
MagnetMagnetSteel LayerSteel Layer
MagnetMagnet
Intake Shutter Valve Position Sensor
Intake Shutter Valve Position Sensor
Rotary Solenoid Type Motor
Rotary Solenoid Type Motor
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemIntake Manifold– Two intake port with different shape from intake
manifold to cylinder head• For swirl optimizing in cylinder
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemSwirl Control Valve (1KD only)– Swirl control valve is provided to realize clean
emission
Swirl Control Valve
Intake Manifold
Actuator
VSV for SCV 1KD-FTV only
Model Outline KD Series Engine Chassis Body Body Electrical
At low engine speed, SCV is closed to
strengthen the swirl
At low engine speed, SCV is closed to
strengthen the swirl
Intake and Exhaust SystemSwirl Control Valve (1KD only)– Operation
Actuator
Intake Air
VSV
Vacuum Pump
Engine ECU
Accelerator Pedal Opening
Engine Speed
ON / OFF
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemVariable Nozzle Vane Type Turbocharger (1KD only)– Nozzle Vane is driven by DC motor
DC Motor
Link
Turbine Wheel
Full-Close
Stopper
Motor Rod
Nozzle Vane Position Sensor
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemVariable Nozzle Vane Type Turbocharger (1KD only)– Construction
DC Motor
Link
Nozzle Vane
Turbine Wheel
Motor Rod
Nozzle Vane Position Sensor
Full-Close
Stopper
Intake Air
Reduction Gears
Exhaust Gas
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemVariable Nozzle Vane Type Turbocharger (1KD only)– Construction
Drive Arm
Unison Ring
Driven Arm
Turbine Wheel
Full-Close Stopper
Link
Motor Rod
Nozzle Vane
Gas Flow
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemVariable Nozzle Vane Type Turbocharger (1KD only)– Feedback Control
Nozzle Vane
Position
Turbo Motor Driver
Target Angle
Control StatusEngineECU
Turbo Pressure Sensor
Atmospheric Temp. Sensor
Atmospheric Pressure Sensor
Water Temp. Sensor
Injector (EDU)
Crankshaft Position Sensor
DC Motor
Nozzle Vane
Position Sensor
Control
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemVariable Nozzle Vane Type Turbocharger (1KD only)– Zero point calibration
IG OFF ON
IG ON OFF
After the engine start
Close
Open
Motor Rod
Full-Close Stopper
0Link
0
Link is bumped to full-close
stopper
Link is bumped to full-close
stopper
Zero point calibrationZero point calibration
Nozzle vane is controlled based on the zero point
Nozzle vane is controlled based on the zero point
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemVariable Nozzle Vane Type Turbocharger (1KD only)– Operation movie
Click!Movie
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemTurbocharger (2KD only)– Light weight, compact and high performance
turbocharger
Waste Gate Valve
Actuator for Waste
Gate Valve
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemIntercooler– Intake air is cooled in intercooler to increase the air
density
Turbocharger
Thermal Expansion Contraction Increase
oxygen densityOxygen
Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust SystemIntercooler– Intake air is cooled in intercooler to increase the air
density
Model Outline KD Series Engine Chassis Body Body Electrical
Fuel SystemGeneral
Fuel Pressure Sensor
EDU
Pressure Limiter
Supply PumpSCV
Engine ECU
Fuel Tank
Injector
NE Signal
G Signal
Various Signals
Common-rail
Fuel Cooler
Pressure Switch
Fuel Filter
Fuel System Warning Light
Other Injectors
Model Outline KD Series Engine Chassis Body Body Electrical
Fuel SystemFeatures
Fuel Pressure Sensor
EDU
Pressure Limiter
Supply PumpSCV
Engine ECU
Fuel Tank
Injector
NE Signal
G Signal
Various Signals
Common-rail
Fuel Cooler
Pressure Switch
Fuel Filter
Fuel System Warning Light
Other Injectors
Max. 160MPaMax. 160MPa
HP3 Type Supply Pump
HP3 Type Supply Pump
Warning light for fuel filter clogging and
fuel sedimenter
Warning light for fuel filter clogging and
fuel sedimenter
Injector compensation
code
Injector compensation
code
Element replacement
type
Element replacement
typeDetects
filter clogging
Detects filter
clogging
Fuel cooler cools return
fuel
Fuel cooler cools return
fuel
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemGeneral– This system realize high injection pressure in all speed
range of the engine
Fuel Pressure Sensor
Pressure Limiter
Engine ECU
Fuel Tank
NE Signal
G Signal
Various Signals
SCVSupply Pump
(Generates high-pressure fuel)
Common-rail
Injector(Injects high-pressure fuel)
EDU(Operates injector
at high-speed)
: High-pressure (Max. 160 MPa)
(Stores high-pressure fuel)
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSystem Outline
System
Common-rail Diesel Conventional Diesel
Injection Volume Control
ECU (Injector) Pump (Governor)
Injection Timing Control
ECU (Injector) Pump (Timer)
Injection Pressure Control
Supply Pump (SCV)According to rotational speed
and injection quantity
Pressurization Supply Pump Pump
Distribution Common-rail Pump
Injection Pressure Max. 160 MPa Approx. 15 MPa
Pressure Sensor
Constant high pressure
ECU
SCV
Supply Pump
Common-rail
Injector
Instantaneously high pressure
TimerGovernor
PumpInjection Nozzle
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemLocation
Common-rail•Fuel Pressure Sensor
•Pressure LimiterSupply Pump•SCV (Suction Control Valve)
•Fuel Temp. Sensor
Injector
Engine Front
Injection Pipe
Fuel Inlet Pipe
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Supplies the high pressure fuel to the common-rail– Driven by crankshaft
From Fuel Filter (Inlet)
To Common-rail (Outlet)
To Fuel Tank (Return)
SCV(Suction Control Valve)
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Construction
Plunger Feed Pump
Delivery Valve
SCV (Suction Control Valve)
Fuel Temp. Sensor
Check Valve
Eccentric and Ring Cam
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Construction
Ring Cam
Plunger
Eccentric Cam
To fuel tank (return)
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Fuel flow
From fuel tank
To common-rail
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Fuel flow (reference)
Click!Movie
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Suction and pumping operation
SCV
: From Feed Pump : To Common-rail
Plunger A: SuctionPlunger B: Pumping
Plunger A: PumpingPlunger B: Suction
Plunger A
Plunger B
Check Valve
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Suction and pumping operation
Click!Movie
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Fuel control operation (SCV opening small)
Fuel Pumping
Mass
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Fuel control operation (SCV opening large)
Fuel Pumping
Mass
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Fuel control operation (SCV opening small)
Click!Movie
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– Fuel control operation (SCV opening large)
Click!Movie
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemSupply Pump– The SCV opening regulates the pumping volume to
control fuel pressure
Controls SCV
opening
Common-rail pressure
(Feedback)
Accelerator Pedal Position Sensor
SCV
Fuel Pressure Sensor
Crankshaft Position Sensor
Engine ECU
Calculation of target injection
pressure
Calculation of target injection
pressure
[Fuel Pressure Control]
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemCommon-rail– Stores high-pressure fuel (Max. 160 MPa) produced by
supply pump
FromSupply Pump To Injector To Fuel Tank
Fuel Pressure Sensor
Pressure Limiter
Common-rail
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemCommon-rail– Fuel pressure sensor
• Detects the internal fuel pressure of common-rail
Common-rail Pressure
0 190
1.0
4.04
Common-rail Pressure (MPa)
Outp
ut
Volt
age (
V)
Output characteristic Sensor Tip
90
2.44
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemInjector– High pressure injection for higher atomization
Injector Compensation
CodeFromCommon-rail
Return toFuel Tank
0.14 mm
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemInjector– Construction
Nozzle Needle
Piston
Solenoid Coil
Return toFuel Tank
FromCommon-rail
Nozzle Spring
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemInjector– Controlled by engine ECU signal
SolenoidSolenoid
TWV
Return
From Common-rail Large
Orifice
Small Orifice
Click!Movie
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemInjector– Pilot injection reduces NOx and engine noise
TDCTDC
PilotInjection Control
Conventional Injection Control
PilotMain
Heat Release Value
Injection Volume
NOx and engine noise
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemInjector– Pilot injection reduces NOx and engine noise
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemEDU (Electronic Driver Unit)– Drive the injectors at high speed
Engine ECU
EDU
Injector
High VoltageDC / DC
ConverterDC / DC
Converter
Command Pulse
Confirmation Pulse
Battery
IJT #1-4
IJF
Control CircuitControl Circuit High-speed
operation
Model Outline KD Series Engine Chassis Body Body Electrical
Fail-safeDetection Condition
Common-rail SystemDiagnosis– DTCs for common-rail system
DTC No. Detection Item Trouble Area
P0087 (49)
Fuel Rail/System Pressure - Too Low
•Open or short in fuel pressure sensor circuit •Fuel pressure sensor •Engine ECU
P0088 (78)
Fuel Rail/System Pressure - Too High
•Short in supply pump (SCV) circuit •Supply pump (SCV) •Engine ECU
P0093 (78)
Fuel System Leak Detected - Large Leak
•High pressure fuel line •Open or short in EDU circuit •Open or short in injector circuit •Supply pump •Common-rail •Injectors •EDU •Engine ECU
P0190 (49)
Fuel Rail Pressure Sensor Circuit Malfunction • Open or short in fuel pressure sensor
circuit •Fuel pressure sensor •Engine ECU
P0192(49)
Fuel Rail Pressure Sensor Circuit Low Input
P0193(49)
Fuel Rail Pressure Sensor Circuit High Input
Trouble Area
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemDiagnosis– DTCs for common-rail system
DTC No. Detection Item Detection Condition
P0087 (49)
Fuel Rail/System Pressure - Too Low
Fuel pressure sensor output voltage stays at fixed value
P0088 (78)
Fuel Rail/System Pressure - Too High
Fuel pressure exceeds predetermined value
P0093 (78)
Fuel System Leak Detected - Large Leak
Difference of common-rail pressure before and after fuel injection varies greatly from difference of value that engine ECU calculates before and after injection
P0190 (49)
Fuel Rail Pressure Sensor Circuit Malfunction
Fuel pressure sensor output voltage is 0.55V or less, or 4.9V or more for 0.5 sec.
P0192(49)
Fuel Rail Pressure Sensor Circuit Low Input
Fuel pressure sensor output voltage is 0.55V or less for 0.5 sec.
P0193(49)
Fuel Rail Pressure Sensor Circuit High Input
Fuel pressure sensor output voltage is 4.9V or more for 0.5 sec.
1 trip detection logic for all DTC
Detection Condition Fail-safeTrouble Area
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemDiagnosis– DTCs for common-rail system
DTC No. Detection Item Fail-safe
P0087 (49)
Fuel Rail/System Pressure - Too Low
Limits engine powerP0088 (78)
Fuel Rail/System Pressure - Too High
P0093 (78)
Fuel System Leak Detected - Large Leak
Limits engine power for 1 min., and then stops the engine
P0190 (49)
Fuel Rail Pressure Sensor Circuit Malfunction
Limits engine powerP0192(49)
Fuel Rail Pressure Sensor Circuit Low Input
P0193(49)
Fuel Rail Pressure Sensor Circuit High Input
Trouble Area Fail-safeDetection Condition
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemDiagnosis– DTCs for common-rail system
DTC No. Detection Item Trouble Area
P0200(97)
Injector Circuit / Open
•Open or short in EDU circuit•EDU•Injector•Engine ECU
P0627(78)
Fuel Pump Control Circuit / Open
•Open or short in (SCV) circuit•SCV•Engine ECU
P1229(78)
Fuel Pump System•Short in supply pump (SCV) circuit•Supply pump (SCV)•Engine ECU
P1601 (89)
Injector Correction Circuit Malfunction (EEPROM)
•Injector compensation code•Engine ECU
Fail-safeTrouble Area Detection Condition
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemDiagnosis– DTCs for common-rail system
DTC No. Detection Item Detection Condition
P0200(97)
Injector Circuit / Open
Open or short in EDU or injector circuit.After engine is started, there is no injection confirmation (IJF) signal from EDU, despite engine ECU sending injection command (IJT) signal to EDU
P0627(78)
Fuel Pump Control Circuit / Open
Open or short in suction control valve circuit for more than 0.5 sec.
P1229(78)
Fuel Pump System
Fuel over-feed: Fuel pressure continues exceeding target fuel pressure despite engine ECU closing SCV
P1601 (89)
Injector Correction Circuit Malfunction (EEPROM)
Injector compensation code is not registered
1 trip detection logic for all DTC
Detection ConditionTrouble Area Fail-safe
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemDiagnosis– DTCs for common-rail system
DTC No. Detection Item Fail-safe
P0200(97)
Injector Circuit / Open
Limits engine powerP0627(78)
Fuel Pump Control Circuit / Open
P1229(78)
Fuel Pump System
P1601 (89)
Injector Correction Circuit Malfunction (EEPROM)
-
Fail-safeDetection ConditionTrouble Area
Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail SystemService Point for Common-rail System– Supply pump initialization and calibration– Common-rail replacement– Reprogramming of injector compensation code– Replace a new parts– Replace a new pipe– Check fuel leak (Leakage Pipe No.1 / Fuel System)– Power Balance Check
Model Outline KD Series Engine Chassis Body Body Electrical
Fuel SystemFuel Filter– Replace fuel filter element only
Fuel Filter Warning Switch
From Fuel TankTo Supply Pump
Priming Pump
Filter Housing (Plastic)
Fastener Nut
Drain Cock
Filter Element
Model Outline KD Series Engine Chassis Body Body Electrical
Fuel SystemFuel Filter– Construction
Filter Element
Fuel Filter Warning Switch
From Fuel Tank To Supply Pump
Priming Pump
Fuel Sedimenter Level Warning Switch
Filter Housing (Plastic)
Fastener Nut
Model Outline KD Series Engine Chassis Body Body Electrical
Fuel SystemFuel Warning System– Fuel filter clogging is detected by fuel filter warning
switch
Combination Meter
Fuel Filter Warning Switch Fuel System
Warning Light
Fuel Filter
- Fuel Filter Maintenance Interval - Fuel system warning light has been illuminated
Clogging
Model Outline KD Series Engine Chassis Body Body Electrical
Fuel SystemFuel Warning System– System Diagram
Combination Meter
Fuel Filter Warning Switch
Meter ECU
Filter Element
Fuel System Warning Light
To Supply Pump
Vehicle Speed Sensor
Fuel Sedimenter Level Warning SwitchFuel Filter
Model Outline KD Series Engine Chassis Body Body Electrical
Fuel SystemFuel Warning System– Fuel filter warning switch turns OFF when the filter
outlet pressure decreases
Fuel Filter Warning Switch
To Supply Pump
Filter Element
Normal Fuel Filter (Switch: ON)
Fuel Filter Clogged Up(Switch: OFF)
Diaphragm
ON Meter ECU
Fuel Filter Warning Switch
To Supply Pump
OFF Meter ECU
Negative Pressure
Model Outline KD Series Engine Chassis Body Body Electrical
Fuel SystemFuel Warning System– Warning light condition for fuel filter / fuel sedimenter
WarningWarning Method
Priority
Sedimenter Warning
Blink
1
Fuel Filter Warning
ON
2
Model Outline KD Series Engine Chassis Body Body Electrical
Fuel SystemFuel Warning System– Detection conditions
OFF for 10 min. or more
OFF for 10 min. or more
OFF is detected for 2 times during 1 trip
OFF is detected for 2 times during 1 trip
After the driving for 30 min. or moreAfter the driving for 30 min. or more
The warning light keeps ON until the reset operation is done
Fuel Filter Warning Switch Condition
or
Model Outline KD Series Engine Chassis Body Body Electrical
Charging SystemAlternator Pulley
• In order to absorb a engine fluctuation, one-way clutch was adopted in the pulley
RollerSpring
Model Outline KD Series Engine Chassis Body Body Electrical
Charging SystemAlternator Pulley– Engine fluctuation absorbing mechanism
EngineFluctuation
Alternator Pulley Speed
Crankshaft Pulley Speed
Pulle
y S
peed (
rpm
)
Time
One-wayClutch
Locked
One-wayClutchFree
Model Outline KD Series Engine Chassis Body Body Electrical
Serpentine Belt Drive SystemSerpentine Belt Drive– Single V-ribbed belt
Alternator Pulley with Shock
Absorbing Function
Water Pump Pulley
Air Conditioner Compressor Pulley
Idler Pulley for Automatic Tensioner
Idler Pulley
Idler Pulley
Crankshaft Pulley
Model Outline KD Series Engine Chassis Body Body Electrical
Engine Control SystemOil Maintenance Management System– This system determines the deterioration conditions of
the engine oil
Model Outline KD Series Engine Chassis Body Body Electrical
Engine Control SystemOil Maintenance Management System– System diagram and general operation
Soot Volume ODO / TRIP
Switch
Engine ECUEngine Oil Change
Reminder Light
•Engine Speed•Injection Volume•Injection Timing•A/F Ratio
•Engine Speed•Injection Volume•Injection Timing•A/F Ratio
Meter ECU
Vehicle Speed
Blink or ON
Soot Volume Calculation
Soot Volume Calculation
Model Outline KD Series Engine Chassis Body Body Electrical
Engine Control SystemOil Maintenance Management System– Soot calculating logic
A/F Ratio
Injection End Timing
SootVolume
Rich
Lean
Retard
Advance
Model Outline KD Series Engine Chassis Body Body Electrical
Engine Control SystemOil Maintenance Management System– Engine oil change reminder light operation
ConditionEngine Oil Change
Reminder Light
Mileage = 35,000 km ~ 40,000 kmor
Specified Soot Volume A
Mileage = 40,000 km or more or
Specified Soot Volume B
Model Outline KD Series Engine Chassis Body Body Electrical
Model Outline KD Series Engine Chassis Body Body Electrical
ReferenceIntake Shutter Valve– Intake shutter valve position sensor
Intake Shutter Valve Opening Angle (°)
Ou
tput
Volt
age (
V)
0
Engine ECU
VC
VLU
Hall IC
Magnet
E20
(Full Close)70
(Full Open)
Intake Shutter Valve Position
Sensor
Intake Shutter Valve Position
Sensor
1
5
0.71
20 100
3.51
Model Outline KD Series Engine Chassis Body Body Electrical
ReferenceVariable Nozzle Vane Type Turbocharger (1KD only)– Nozzle Vane Position Sensor
• Non-contact type position sensor
0-55 55
0.5
2.5
4.5
Sensor shaft rotation angle ()
Outp
ut
Volt
age (
V)
Output characteristic of main, sub sensor
VN Close
VN Open
-55 55
Hall ICs
Magnets
Cross-section
0
Model Outline KD Series Engine Chassis Body Body Electrical
ReferenceFuel Cooler– A fuel cooler cools the return fuel – It is used on the model equipped with an intercooler
From Supply Pump / Injector
To Fuel Tank
Fuel Cooler(Aluminum)
Front
Model Outline KD Series Engine Chassis Body Body Electrical
ReferenceFuel Cooler– Construction
FromSupply Pump / Injector
To Fuel Tank
Cross Section
Fin
Model Outline KD Series Engine Chassis Body Body Electrical
ReferenceAccelerator Pedal– Non-contact type accelerator pedal position sensor is
used
Accelerator Pedal Position Sensor
Model Outline KD Series Engine Chassis Body Body Electrical
ReferenceAccelerator Pedal– Using magnet and hall IC
Accelerator Pedal Depressed Angle
Full OpenFull Close
VPA1
VPA2
Ou
tput
Volt
age (
V)
0
5
VCP1
VCP2
VPA2
VPA1
Hall IC
Magnets
EP1
EP2
Engine ECU
Accelerator Pedal Position
Sensor
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