Kupas isi daleman mobil Kijang Inova

1. Model Outline KD Series Engine Chassis Body Body Electrical
Contents
Click a Section Tab

2. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Overall
Engine Proper
Valve Mechanism
Lubrication System
Intake and Exhaust System
Common-rail System
Fuel System
Charging System
Serpentine Belt Drive System
Engine Control System

3. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Overall
1KD-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

4. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Overall
1KD-FTV / 2KD-FTV Specifications
Item
1KD-FTV
(HILUX,
FORTUNER)
2KD-FTV
(HILUX, FORTUNER,
INNOVA)
No. of Cylinders & Arrangement 4-Cylinder, In-line 
Valve Mechanism
16-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 Stroke
mm (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. Output
kW @ rpm
120 @ 3,400
75 @ 3,600
88 @ 3,600 *2
Max. Torque
N·m @ rpm
343 @1,400 ~
3,200
200 @ 1,400 ~ 3,200
260 @ 1,600 ~ 2,400 *1
320 @ 2,000 *2
*1: 2KD-FTV High Version
*2: 2KD-FTV High Version (HILUX for Thai only)

5. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Overall
Features
– 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

6. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Overall
Features
– Under floor Fuel Cooler
(with intercooler model only)
Front

7. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Proper
Piston
– 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

8. Model Outline KD Series Engine Chassis Body Body Electrical
Valve Mechanism
Timing 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

9. Model Outline KD Series Engine Chassis Body Body Electrical
Lubrication System
Lubrication System
– Overall
• Lubrication is fully pressurized and all oil passes
through an oil cooler and oil filter
Oil Cooler
Oil Filter

10. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Intake Shutter Valve
– Rotary solenoid type intake shutter valve is used to
improve EGR performance
Engine
Condition
Valve
Position
Purpose
Starting
Full
Open
Reduced Diesel
Smoke
Running
Small -
Full
Open
Controls EGR
amount
Stop
Full
Close
Reduced noise
and vibration
Rotary Solenoid type Motor
Intake Shutter Valve
Position Sensor
Intake Shutter Valve
Air flow

11. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Intake Shutter Valve
– Construction
Hall IC
Magnet
Magnet
Steel Layer
Magnet
Intake Shutter Valve
Position Sensor
Rotary Solenoid
Type Motor

12. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Intake Manifold
– Two intake port with different shape from intake
manifold to cylinder head
• For swirl optimizing in cylinder

13. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Swirl 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

14. Model Outline KD Series Engine Chassis Body Body Electrical
At low engine speed,
SCV is closed to
strengthen the swirl
Intake and Exhaust System
Swirl Control Valve (1KD only)
– Operation
Actuator
Intake
Air
VSV
Vacuum
Pump
Engine
ECU
Accelerator
Pedal Opening
Engine Speed
ON / OFF

15. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Variable 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

16. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Variable 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

17. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Variable 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

18. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Variable Nozzle Vane Type Turbocharger (1KD only)
– Feedback Control
Nozzle
Vane
Position
Turbo Motor
Driver
Target Angle
Control StatusEngine
ECU
Turbo Pressure
Sensor
Atmospheric
Temp. Sensor
Atmospheric
Pressure
Sensor
Water Temp.
Sensor
Injector (EDU)
Crankshaft
Position Sensor
DC
Motor
Nozzle
Vane
Position
Sensor
Control

19. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Variable 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
0
Link
0
Link is bumped
to full-close
stopper
Zero point
calibration
Nozzle vane is
controlled based
on the zero point

20. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Variable Nozzle Vane Type Turbocharger (1KD only)
– Operation movie
Click!
Movie

21. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Turbocharger (2KD only)
– Light weight, compact and high performance
turbocharger
Waste Gate
Valve
Actuator
for Waste
Gate Valve

22. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Intercooler
– Intake air is cooled in intercooler to increase the air
density
Turbocharger
Thermal
Expansion Contraction
Increase
oxygen densityOxygen

23. Model Outline KD Series Engine Chassis Body Body Electrical
Intake and Exhaust System
Intercooler
– Intake air is cooled in intercooler to increase the air
density

24. Model Outline KD Series Engine Chassis Body Body Electrical
Fuel System
General
Fuel Pressure
Sensor
EDU
Pressure
Limiter
Supply Pump
SCV
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

25. Model Outline KD Series Engine Chassis Body Body Electrical
Fuel System
Features
Fuel Pressure
Sensor
EDU
Pressure
Limiter
Supply Pump
SCV
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. 160MPa
HP3 Type
Supply
Pump
Warning light
for fuel filter
clogging and
fuel sedimenter
Injector
compensation
code
Element
replacement
type
Detects
filter
clogging
Fuel cooler
cools return
fuel

26. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
General
– 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
SCV
Supply 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)

27. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
System 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
Timer
Governor
Pump
Injection
Nozzle

28. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Location
Common-rail
•Fuel Pressure Sensor
•Pressure LimiterSupply Pump
•SCV (Suction Control Valve)
•Fuel Temp. Sensor
Injector
Engine
Front
Injection Pipe
Fuel Inlet Pipe

29. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply 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)

30. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Construction
Plunger
Feed
Pump
Delivery
Valve
SCV (Suction
Control Valve)
Fuel
Temp.
Sensor
Check
Valve
Eccentric and
Ring Cam

31. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Construction
Ring Cam
Plunger
Eccentric
Cam
To fuel tank
(return)

32. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Fuel flow
From fuel
tank
To common-rail

33. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Fuel flow (reference)
Click!
Movie

34. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Suction and pumping operation
SCV
: From Feed Pump : To Common-rail
Plunger A: Suction
Plunger B: Pumping
Plunger A: Pumping
Plunger B: Suction
Plunger A
Plunger B
Check
Valve

35. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Suction and pumping operation
Click!
Movie

36. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Fuel control operation (SCV opening small)
Fuel
Pumping
Mass

37. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Fuel control operation (SCV opening large)
Fuel
Pumping
Mass

38. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Fuel control operation (SCV opening small)
Click!
Movie

39. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply Pump
– Fuel control operation (SCV opening large)
Click!
Movie

40. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Supply 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
[Fuel Pressure Control]

41. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Common-rail
– Stores high-pressure fuel (Max. 160 MPa) produced by
supply pump
From
Supply Pump
To Injector To Fuel Tank
Fuel
Pressure
Sensor
Pressure
Limiter
Common-rail

42. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Common-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)
OutputVoltage(V)
Output characteristic
Sensor Tip
90
2.44

43. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Injector
– High pressure injection for higher atomization
Injector
Compensation
Code
From
Common-rail
Return to
Fuel Tank
0.14 mm

44. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Injector
– Construction
Nozzle
Needle
Piston
Solenoid Coil
Return to
Fuel Tank
From
Common-rail
Nozzle
Spring

45. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Injector
– Controlled by engine ECU signal
Solenoid
Solenoid
TWV
Return
From
Common-rail Large
Orifice
Small
Orifice
Click!
Movie

46. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Injector
– Pilot injection reduces NOx and engine noise
TDCTDC
Pilot
Injection Control
Conventional
Injection Control
Pilot
Main
Heat
Release
Value
Injection
Volume
NOx and
engine noise

47. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Injector
– Pilot injection reduces NOx and engine noise

48. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
EDU (Electronic Driver Unit)
– Drive the injectors at high speed
Engine
ECU
EDU
Injector
High
VoltageDC / DC
Converter
Command
Pulse
Confirmation
Pulse
Battery
IJT
#1-4
IJF
Control
Circuit High-speed
operation

49. Model Outline KD Series Engine Chassis Body Body Electrical
Fail-safeDetection Condition
Common-rail System
Diagnosis
– 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

50. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Diagnosis
– 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

51. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Diagnosis
– DTCs for common-rail system
DTC No. Detection Item Fail-safe
P0087
(49)
Fuel Rail/System
Pressure - Too Low
Limits engine power
P0088
(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 power
P0192
(49)
Fuel Rail Pressure Sensor
Circuit Low Input
P0193
(49)
Fuel Rail Pressure Sensor
Circuit High Input
Trouble Area Fail-safeDetection Condition

52. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Diagnosis
– 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

53. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Diagnosis
– 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

54. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Diagnosis
– 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

55. Model Outline KD Series Engine Chassis Body Body Electrical
Common-rail System
Service 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

56. Model Outline KD Series Engine Chassis Body Body Electrical
Fuel System
Fuel Filter
– Replace fuel filter element only
Fuel Filter
Warning Switch
From Fuel Tank
To Supply Pump
Priming
Pump
Filter Housing
(Plastic)
Fastener Nut
Drain Cock
Filter Element

57. Model Outline KD Series Engine Chassis Body Body Electrical
Fuel System
Fuel 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

58. Model Outline KD Series Engine Chassis Body Body Electrical
Fuel System
Fuel 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

59. Model Outline KD Series Engine Chassis Body Body Electrical
Fuel System
Fuel 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

60. Model Outline KD Series Engine Chassis Body Body Electrical
Fuel System
Fuel 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

61. Model Outline KD Series Engine Chassis Body Body Electrical
Fuel System
Fuel Warning System
– Warning light condition for fuel filter / fuel sedimenter
Warning
Warning
Method
Priority
Sedimenter
Warning
Blink
1
Fuel Filter
Warning
ON
2

62. Model Outline KD Series Engine Chassis Body Body Electrical
Fuel System
Fuel Warning System
– Detection conditions
OFF for 10 min.
or more
OFF is detected for 2
times during 1 trip
After the driving for 30 min. or more
The warning light keeps ON until the reset operation is done
Fuel Filter Warning Switch Condition
or

63. Model Outline KD Series Engine Chassis Body Body Electrical
Charging System
Alternator Pulley
• In order to absorb a engine fluctuation, one-way
clutch was adopted in the pulley
RollerSpring

64. Model Outline KD Series Engine Chassis Body Body Electrical
Charging System
Alternator Pulley
– Engine fluctuation absorbing mechanism
Engine
Fluctuation
Alternator
Pulley Speed
Crankshaft Pulley
Speed
PulleySpeed(rpm)
Time
One-way
Clutch
Locked
One-way
Clutch
Free

65. Model Outline KD Series Engine Chassis Body Body Electrical
Serpentine Belt Drive System
Serpentine 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

66. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Control System
Oil Maintenance Management System
– This system determines the deterioration conditions of
the engine oil

67. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Control System
Oil Maintenance Management System
– System diagram and general operation
Soot
Volume ODO / TRIP
Switch
Engine ECU
Engine Oil Change
Reminder Light
•Engine Speed
•Injection Volume
•Injection Timing
•A/F Ratio
Meter ECU
Vehicle
Speed
Blink or ON
Soot Volume
Calculation

68. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Control System
Oil Maintenance Management System
– Soot calculating logic
A/F Ratio
Injection
End Timing
Soot
Volume
Rich
Lean
Retard
Advance

69. Model Outline KD Series Engine Chassis Body Body Electrical
Engine Control System
Oil Maintenance Management System
– Engine oil change reminder light operation
Condition
Engine Oil Change
Reminder Light
Mileage = 35,000 km ~ 40,000 km
or
Specified Soot Volume A
Mileage = 40,000 km or more
or
Specified Soot Volume B

70. Model Outline KD Series Engine Chassis Body Body Electrical

71. Model Outline KD Series Engine Chassis Body Body Electrical
Reference
Intake Shutter Valve
– Intake shutter valve position sensor
Intake Shutter Valve
Opening Angle (°)
OutputVoltage(V)
0
Engine
ECU
VC
VLU
Hall IC
Magnet
E2
0
(Full Close)
70
(Full Open)
Intake Shutter
Valve Position
Sensor
1
5
0.71
20 100
3.51

72. Model Outline KD Series Engine Chassis Body Body Electrical
Reference
Variable 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 ()
OutputVoltage(V)
Output characteristic of
main, sub sensor
-55  55 
Hall ICs
Magnets
Cross-section
0 

73. Model Outline KD Series Engine Chassis Body Body Electrical
Reference
Fuel 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

74. Model Outline KD Series Engine Chassis Body Body Electrical
Reference
Fuel Cooler
– Construction
From
Supply Pump / Injector
To Fuel Tank
Cross
Section
Fin

75. Model Outline KD Series Engine Chassis Body Body Electrical
Reference
Accelerator Pedal
– Non-contact type accelerator pedal position sensor is
used
Accelerator Pedal
Position Sensor

76. Model Outline KD Series Engine Chassis Body Body Electrical
Reference
Accelerator Pedal
– Using magnet and hall IC
Accelerator Pedal Depressed Angle
Full OpenFull Close
VPA1
VPA2
OutputVoltage(V) 0
5
VCP1
VCP2
VPA2
VPA1
Hall
IC
Magnets
EP1
EP2
Engine
ECU
Accelerator
Pedal Position
Sensor