437169041-XM-1-Rpair -Engine-Eng-1-ppt.ppt

maintenance service and repair automotive engine

1. R-engine
(Common Rail)
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.

2. 2R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Engine Application
Engine
Type T/M
Fuel Model Vol.Power/Torque
EU
(’09. 5)
GEN
(’09. 5)
USA/Canada
(’09. 12)
Aust.
(’09. 5)
GSL
Theta II 2.4 172 / 23.0
2WD
M6GF2 ● ● ●
A6MF2 ● ● ● ●
4WD
M6GF2 ● ● ●
A6MF2 ●
●
(China,09.7)
● ●
Lambda II 3.5 275 / 33.8
2WD A6LF2 ● ● ●
4WD A6LF2 ● ●
DSL
R 2.2 200 / 44.5
2WD
M6LF1 ● ●
A6LF3 ● ●
4WD
M6LF1 ● ● ●
A6LF3 ●
●
(China, ‘09.12)
●
R 2.0 150 / 38.0
2WD M6LF1
●
(March, ’10)
4WD M6LF1
●
(Feb. ’10)
R 2.0 184 / 40.02WD A6LF2 Domestic Market

3. 3R -Engine
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Items R-2.0 / 2,2(EURO-Ⅴ) Items R-2.0 / 2,2(EURO-Ⅴ)
Displacement (cc)
1,995 / 2,199
(In-line 4 cylinders)
Catalytic Converter WCC+DPF
Bore X Stroke 84 X 90 / 85.4 x 96 Engine Oil 6.2ℓ (5W-30)
Firing Order 1-3-4-2 Relief Valve Pressure 5.0±0.5bar
Intake System
TCI (Electrical VGT)
/ ACV / SCV
Injector Piezo type (8Holes)
Idle (RPM) 720 / 790 Max. Fuel Pressure 1,800 bar
Max. Power
(Ps/RPM)
2.0 : 184 / 4,000
2.2 : 200 / 3,800
Fuel Pressure Control
Inlet & Outlet
(FPCV & RPCV)
Max. Torque (kgf·m/RPM)
2.0 : 40 / 1,800~2,500
2.2 : 44.5 / 1,800~2,500
Low Pressure Pump
DC Motor 45 l/h,
4.5bar13V
Max. (RPM) 4,800 Fuel Tank(ℓ) 75ℓ
Pre-Heating
Quick Glow Plug
(1000℃/ 2sec.)
EMS Bosch (EDC17CP)
Specification

4. 4R -Engine
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Close-Coupled DPF
Electrical VGT
Water Pump
Vacuum Pump
(operated by camshaft)
Electrical
EGR Valve
EGR COOLER
(By-pass type)
Piezo Injector
1800bar Oil Separator
Plastic Intake
Manifold
Oil Filter
with Oil cooler
Balance Shaft Module
with Oil pump
4 Valve DOHC
Isolation
Damper Pulley
Timing Chain
Plastic
Head Cover
Lay out
Serpentine driving belt

5. 5R -Engine
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Items
D (Eruo-4) R (Eruo-5)
2.0 2.2 2.0 STD 2.2 STD
Displacement (cc) 1,991 2,188 1,995 2,199
Bore×Stroke (mm) 83 x 92 87 x 92 84 x 90 85.4 x 96
Type / Valve Train In-line 4 SOHC-16V In-line 4 DOHC-16V
Injector Solenoid Injector (1600bar) Piezo Injector (1800bar)
Catalytic Converter DPF (UCC) DPF (Close-Coupled)
EGR System EGR with cooler By-pass type EGR with cooler
Timing System Timing Belt Timing Chain
Piezo Injector
(1800bar)
Close-Coupled
DPF
By-pass type
EGR with cooler
Timing Chain
DOHC
16 Valve
Main Features -Comparison

6. 6R -Engine
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Main Features –Cylinder Block
•Main bearing cap : Watch out direction and sequence
•Main bearing cap bolt tightening torque : 5kgf.m + 120˚
•Deep skirt iron block + separated bearing cap
•Thrust bearing is located on 4
th
journal bearing
•Oil level sensor (Only Europe) → ECM → Warning on Cluster
2 53
21123-2F000
21122-2F000
1
4
Oil jet
Oil jet cap
•Oil jet cap color :
-Standard engine: Colorless CAP
-Low power engine : Orange color CAP

7. 7R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Main Features –Engine Oil Filter
Element
Cap O-ring
Pre-drain bolt
Drain bolt O-ring
Cap
Oil filter and Oil cooler
Coolant Inlet
Coolant outlet
Oil Filter
Oil Cooler
•Installed on front side of engine
•Plastic oil filter housing
•Aluminum oil cooler
•ECO-friendly oil filter (replace element and O-ring)

8. 8R -Engine
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1 23 45 67 8
Gasket sealant apply
Main Features –Cylinder Head
•Aluminum cylinder head (common use for 2L & 2.2L)
•Cam carrier applied
•Tightening torque
-Head cylinder bolt : 8.0kgf.m + 120°+ 120°
•3 Kinds head gasket (according to thickness of gasket)
1
9
43
7
11
5
19
17
15
2
8
1210
6
20
18
16 14 13
Installation sequence of camshaft cap bolt
Gasket grade
Grade
(A)
(B)
(C)

9. 9R -Engine
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Oil Separator
BOLT (19EA)
Main Features –Cylinder Head
•Plastic head cover
•Oil separator is Combined with cylinder head
•When installing breather hose, watch out direction and location
•When assembling vacuum pump, watch out O-ring
Yellow Making
Caution) O-Ring
Assemble on
cam carrier
Assemble on
cylinder head

10. 10R -Engine
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Main Features –Valve Train
Spread engine oil
on surface
•Perpendicular style valve (DOHC 16 Valve)
•End Pivot Roller Follower
•When assembling valve, spread engine oil on surface.
Spread engine oil
on surface

11. 11R -Engine
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EGR cooler
hose
Oil cooler
hose
Oil cooler
return
hose
EGR cooler
Oil cooler &
Filter module
Main Features –Cooling
Water
Outlet
pipe
To heater
From heater
From radiator
To
Radiator
Water pump
T/C inlet
Water inlet
fitting
EGR valve
EGR & Thermostat
Housing
•EGR valve and Turbocharger is cooled by coolant
•Inlet control (opening temp. : 82℃, fully open 95℃)
Jiggle valve

12. 12R -Engine
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Main Features –Crankshaft and Piston
•Applied isolation damper pulley
-Reduced fluctuation of crankshaft angular speed.
-Reduced noise of driving belt and increased durability.
-Crank bolt tightening torque : 20kg·fm + 60 ˚
•Connecting rod bolt tightening torque : 3.0 kgf·m + 90˚
Isolation damper
pulley
Connecting rod
Damper Pulley
TDC Mark
Timing Chain Cover
TDC Mark

13. 13R -Engine
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Main Features –Balance Shaft Module
•Applied balance shaft module, which is combined with oil pump and oil strainer.
•Installation procedure
-Install BSM → Remove the plastic pin on the BSM assembly → Confirm BSM rotation smoothly
Oil Pump
Oil Strainer
Gear Teeth
Inspection
Plastic Pin

14. 14R -Engine
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Main Features –TimingMain Features –Timing
•Scissors gear (intake and exhaust cam sprocket)
•2 Timing chains are used (Crankshaft and HP pump, HP pump and Camshaft)
•Timing chain type : bush chain (pitch 9.525mm)
•2 Hydraulic auto-tensioners with an oil jet for timing chain
•Do not re-use chain guide bolts
Timing Mark

15. 15R -Engine
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Bolt side
Plug
Cupper washer
Oil seal
Sealant
Sealant
Confirm
different
Main Features –Timing Cover Sealant
: Do not re-use plug and washer

16. 16R -Engine
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<System Diagram>
<Turbocharger>
<Electrical Actuator>
Main Features –Intake and Exhaust System
•DC motor type VGT actuator
-Improved accurate VGT control
-Possible to self diagnosis (feedback signal)
-R 2.0 : Spur Gear,R2.2 : Worm Gear (Hella)

17. 17R -Engine
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Intercooler
By-pass type EGR cooler
Electrical SCV
Electrical VGT
Main Features –Intake and Exhaust System
Electrical ACV (Air Control Valve)
•Control type : DC Motor
•Purpose :
-For reducing dieseling at IG OFF (Valve is closed)
-For controlling intake air for DPF regeneration
•Size : Φ57 mm

18. 18R -Engine
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Cooled Exhaust Gas
●EGR Cooler
High Temp.
Exhaust Gas
DC Motor
Valve Disc
Valve shaft
CAM
Position Sensor
Return Spring
Coupling
•Purpose : Exhaust gas recirculation for reducing NOx
•Control type : DC Motor (Position sensor is applied)
-Precise EGR control
-By-pass valve applied (EGR cooler, under 55℃) )
•Size : Φ30 mm
•Motor power : 300N (30N for D engine VGT actuator)
•Increased efficiency of EGR cooler
Main Features –Intake and Exhaust System
●EGR Valve
EGR Gas
(Outlet)
Coolant
inlet/outlet
EGR Gas
(inlet)

19. 19R -Engine
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Coupling
Swirl control valve
•Swirl control valve : DC Motor type
•Motor and flap are connected by coupling
•Initialization : 3 times after IG OFF (Mechanical end point learning)
•Symptom if stuck
-More PM
-Frequent DPF regeneration
-Poor fuel economy
-DPF defective with DTC
Main Features –Intake and Exhaust System

20. 20R -Engine
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Tightening Torque : 4.0~4.5kgf.m (10 pcs)
Watch out direction
of bush (4 pcs)
Main Features –Intake and Exhaust System
631085
9114721
1,2 : Tightening torque(2.0~2.7kgf.m)
3~11 : Tightening torque(1.9~2.4kgf.m)
Inlet port
EGR Pipe bolt : 1.0~1.2kgf.m
When assembling,
Don’t miss O-ring

21. 21R -Engine
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Intercooler hose clamp
Main Features –Intake and Exhaust System
•After disassembling clamp of intercooler hose, replace new one
Clamp Cap Information (Torque control cap)
Before torque After torque After removing the cap
•A : Clamp cap,
•B : Torque control cap
Service procedure
2) Loosen the clamp
using a flat head
screwdriver.
1) Plier out the intake
manifold clamp cap.

22. 22R -Engine
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Close-Coupled DPF
Main Features –DPF (Diesel Particulate Filter)
Exhaust Gas
Temperature Sensor
DPF
DOC
Differential Pressure
Sensor
Lambda Sensor
•Euro 5 : with DPF, Euro 4 : without DPF
•Different spec for MT and AT (more loaded for MT due to lower exhaust gas temperature)
•Close-Coupled Diesel Particulate Filter applied : Increases passive regeneration
→ Increased durability and reduced fuel consumption, because of reducing active regeneration
•Exhaust gas temperature sensor on turbo charger eliminated (due to modeling technology)
•DOC (Diesel Oxidation Catalyst) : CO, HC control
Euro-4 Euro-5

23. 23R -Engine
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DOC
Pressure /temp sensor
Post injection
Exhaust gas
Catalytic filter
PM accumulated & burning
Main Features –DPF (Diesel Particulate Filter)
ECM
Regeneration mode condition
•Driving distance: every 1,000km
•Engine RPM: 1,000RPM ~ 4,000RPM
•Vehicle speed : over 5km/h
•Coolant temperature : over 40℃
Notice) shock or noise may occurred by changing torque during regeneration

24. 24R -Engine
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2. DPF white smoke
-Abnormal regeneration (DPF melting)
1. DPF melting
-Abnormal regeneration (DPF melting)
4. Soot excess
-Soot, oil and fuel excess
3. Soot Leak
-DPF crack or HC excess
Main Features –DPF (Diesel Particulate Filter)

25. 25R -Engine
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Jet pump(44L/h)
ⓑFrom Sub. filter
ⓐPump
Return
Regulator
ENGINE
Sub. filterMain filter
ⓐ
ⓑ
Sub. Sender
Main Sender and
Fuel Pump(140L/h)
Main Features –Fuel Tank

26. 26R -Engine
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Fuel
Gauge Full 7/8 6/8 5/8 2/1 3/8 2/8 1/8
Warnin
g Lamp
Empty
Amount (ℓ)62.555.648.6 41.7 34.8 27.8 20.9 13.9 9 7
Resistance of
Sender (Ω)
Main 6.3 28.4 46.8 66.7 73.9 88.1
Sub 11.634.155.9 77.6 100
Total 17.940.462.2 83.9 106.3 128.4 146.8 166.7 173.9 188.1
Main Features –Fuel Tank

27. 27R -Engine
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STEP1 STEP 2
Duty control
VB > 11.5
Duty control
VB ≦11.5
Duty 100%
STEP 4
OFF
ON
ST
Key Switch
PWM Signal
From ECM
FET Relay
output
Glow Plug
Temp.
STEP 3 STEP 5
Main Features –Glow Plug
Ceramic Glow Plug
FET RELAY
ECM

28. 28R -Engine
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Monitoring
SOC
Vehicle
conditions
Decide charging voltageBattery Sensor
▶Battery Sensor : Measure Temperature, Voltage, Current
▶SOC (State Of Charge)
LIN
ECM
TPS RPMVSS
C Terminal
FR Terminal
Alternator
B+ Supply
※C -Terminal : Communication with alternator
FR -Terminal : Field Coil Reflector.
Main Features –EPMS (Electrical Power Management System)

29. 29R -Engine
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FR Terminal
C Terminal
L Terminal
▶Alternator : 3 Pins
System Component
▶Calculate SOC
▶Wake-up Mode (each 8 hours)
Request
SOC information
Send SOC
information
Accel.
Vehicle Speed
Voltage
Decel.
Accel.

30. 30R -Engine
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Items XM 2.2 Euro-5 XM 2.2 Euro-4 Remarks
EGR Cooler
-Different capacity
EGR cooler
28416-2F000 28416-2F320
Glow Plug
36710-2F000 36710-2F100
Catalytic
Converter
-Different catalytic
converter (DPF, WCC)
DPF WCC
6 Floors
Comparison –2.2L Euro 5 and Euro 4
4 Floors
Ceramic Metal

31. 31R -Engine
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Items Parts No. ( 2.2L)Parts No. ( 2.0L) Figure Remarks
Cylinder
Block
21111-2F050 21111-2F100
-Bore size is difference
(2.0L: Φ84, 2.2L: Φ85.4)
Cylinder Head
Gasket
22311-2F100 22311-2F000
-Gasket bore size is difference
(2.0L: Φ85, 2.2L: Φ86.2)
Crankshaft 23110-2F110 23110-2F010
-Crank pin diameter is difference
(2.0L: Φ48 2.2L: Φ52)
-Stroke is difference
(2.0L: Φ90 2.2L: Φ96)
Piston 23400-2F101 23400-2F001
-Bore size is difference
(2.0L: Φ84, 2.2L: Φ85.4)
Comparison (2.0/2.2)

32. 32R -Engine
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Items Parts No. ( 2.2L)Parts No. ( 2.0L) Figure Remarks
Connecting
Rod
23510-2F100 23510-2F000
-Crank side diameter is difference
(2.0L: Φ51, 2.2L: Φ55)
-Connecting Rod length is difference
(2.0L: 149, 2.2L: 145)
Turbocharger 28231-2F100 28231-2F000
-Turbine and compressor wheel size
is difference
-Actuator supplier is different
(2.2L hella-4pins, 2.0L seohan-5pins)
Catalytic
Converter
28990-2F020 28940-2F110
-2.2L: CPF (EU-5)
-2.0L: WCC (EU-4)
Comparison (2.0/2.2)

33. 33R -Engine
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Fuel System –Overview
FPCV
(Fuel Pressure
Control Valve)
•Max. 1800 bar fuel pressure
•Piezo type injector (injection response, timing and amount is improved than solenoid type injector)
•ECM : EDC17CP (32bit)
•Low pressure pump : electrical type (same as D-engine)
•Fuel pressure control : Inlet and outlet control (FPCV and RPCV)
Injector
High Pressure Pump
Common Rail
RPCV
(Rail Pressure Control Valve)
Rail Pressure
Sensor

34. 34R -Engine
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Fuel System –Injector
IQA Matrix Code
Connector
Pressure valve
Piezo-actuator
Hydraulic
coupler
Nozzle
needle
Pressure
control valve
Start injection
Power supplied
(Charge)
Piezo
expansion
Amplification
Control valve
open
Opened
Nozzle needle
Power supplied
(Discharge)
Piezo
contraction
Pressure reduction
Closed
control valve
Closed
Nozzle needle
Stop injection
•CRI 3.2
•Applied IQA (Injector Quantity Adjustment)
•Operating Voltage / Ampere : Max. 156V / Max. 17A
•8 holes

35. 35R -Engine
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Operating principle (hydraulic coupler)
Low pressure line
(1~10bar)
Voltage
Piezo
Hydraulic Coupler
(Amplifier)
Amplifier Pressure
Rail pressure
Amplifier pre.
10 bar
1 bar
Leakage
(Ps>Psys)
Refilling
(Ps<Psys)
P system
time
time
time
Fuel System –Injector

36. 36R -Engine
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Operating principle (pressure control part)
Needle opened Needle closed
Control valve
Needle
Inlet
By-pass By-pass
Closed
By-pass
opened
Inlet Inlet
Outlet
Control outlet
Volume
Initial position
Inlet
Rail pressure
Leakage pressure
Control volume pressure
Fuel System –Injector

37. 37R -Engine
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[Piezo-Injector]
Injector voltage
Pilot2 Pilot1 Main
Piezo injector (comparison with Solenoid injector)
-Injector response :no delay time between the voltage and the stroke
-Control current :only controls injection starting current and ending current.
Fuel System –Injector

38. 38R -Engine
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Suction Valve
High pressure
piston-check-valve
Plunger
Tappet body
Spring seat
Overflow Valve
Roller shoe
Roller
Cham shaft
Cylinder head
FPCV
Shaft sealing ring
(pump side)
Shaft sealing ring
(motor side)
Fuel System –High Pressure Pump
•CP 4.1 (Max. 1800bar)
•Max. revolution speed : 4500rpm
•FPCV (Fuel Pressure Control Valve) : Control fuel pressure from HP pump to common rail.
•Improved passage of shaft lubrication
→ If pressure is increased between shaft sealing ring (Motor and pump side), fuel is returned (by-pass)
outlet
By-pass

39. 39R -Engine
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Fuel System –Common Rail
Rail Pressure Sensor
Throttle Rail Pressure Control Valve
•Throttle : Installed in common rail connection side with injector pipe
-Purpose : Reduce fluctuation of fuel pressure, which is supplied to injector
•Capacity : 21 ㎤
•Applied RPCV : Control rail pressure (control amount of return fuel)

40. 40R -Engine
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Back-leak Rail Installation & Removal
Plug
Plug Bush
Plug fixing (4EA)
Injector connection side
Connector of fuel return hose
Fuel System –Return Line
•In order to overcome 1~10bar in return line, connector
shape, installation and removal of return linen is difference.
-Double locking structure : It is for preventing leakage.
•For normal operation of the coupler, 1~10bar remains on
the fuel return line (low pressure line).

41. 41R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Installation
Before assembling the
return line, confirm plug
fixing condition and plug
bush is lifted.
Push the plug to
vertical direction until
make clicker sound
from injector nipple
Confirm installed
condition by moving plug
Install plug bush until
hear click sound
Removal
Press both knob and lift
up plug bush
Lift up plug vertical
direction from injector
nipple at lifted plug bush
Case study
-Cause : One plug fixing is broken. Because of
excessive
installation without the plug bush fully up.
-Symptom : Fuel leaks from the injector nipple
Fuel System –Return Line

42. 42R -Engine
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Sensors and Actuators -Overview
RPS
RPCV
FPCV
Fuel Temp.
Sensor
LP pump
ECT
sensor
Glow Plug
SCV
Piezo injector
BPSACVIAT
Inter-
cooler
MAF
Sensor
APS
CKP
CMP
EGR Valve
VGT
Lambda
Sensor
EGR
cooler
EGR by-pass
Valve
EGR Solenoid
Valve
DOC
DPF
EGTS
LP line
HP line
Sensors
Actuators

43. 43R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
RPCV(Solenoid type)
: Normal Closed type
RPCV (Piezo type)
: Normal opened type
Sensors and Actuators -RPCV
Connector pins
Spring
Anchor plate
Valve housing
Anchor bolt
Retaining Ring
Backflow
Adjusting Shin
Valve body
Filter
Ball
Bite edge
Flange screw
Coil
•RPCV (Rail Pressure Control Valve)
-In order to maintain rail pressure, RPCV control valve according
engine condition. (received signal from ECM)
-Operating ampere : 0.15 ~ 1.8 A / Coil resistance : 3.42 ~ 3.78 Ω
•Normal opened type : Valve is opened at engine off
-Fuel is drained in fuel system. It is for improving starting delayed
caused by fuel contraction at cold condition

44. 44R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Sensors and Actuators –Rail Pressure Sensor
•RPS4.2 : Measure pressure in common rail (Max. 2000bar)
•Failsafe
-Rail pressure 360bar (36MPa) fixed
-Engine speed limitation -3000 rpm

45. 45R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Sensors and Actuators –CKP and CMP
•CMP : Hall IC type sensor
•CKP : Hall IC type sensor
•CKP target wheel : magnetic encoder
CKP
CKP
CMP
CMP
Magnetic encoder

46. 46R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Sensors and Actuators –Lambda Sensor
•Measure density of oxygen in emission gas
-Bosch LSU
•Heating and oxygen pumping type
•For set up target EGR and fuel mean adaptation
λ 0.650.700.800.901.0161.181.431.702.42Air
Pumping
Ampere
(mA)
-2.22-1.82-1.11-0.500.000.330.670.941.382.54

47. 47R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Sensors and Actuators –Boost Pressure Sensor
•Measure pressure in intake manifold
•For controlling turbocharger
•Max. 4bar
Output Voltage (V)
Pressure (kPa)

48. 48R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Sensors and Actuators –DPS and EGTS
Output (V)
4.5
1
0 100
Pressure (kpa)
DPS
•Detect the diff pressure between DPF inlet (upstream) and outlet (downstream) for DPF regeneration
•Output voltage: 1V ~ 4.5
EGTS
•Measure the temperature of DPF for regeneration
•Located between DOC and DPF
DPS
EGTS

49. 49R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Sensors and Actuators –MAF Sensor and IAT 1,2
•Type : Hot-film type with IAT 2 (Bosch HFM-7)
•Used for injection amount and EGR amount control
•IAT 1 is installed on intake hose (after intercooler)
•Failsafe : Limp-home (limited injection)
MAF Sensor

50. 50R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Temperature (℃) Resistance (㏀)
-20 13.4 ~ 17.7
-10 8.24 ~ 10.66
0 5.23 ~ 6.62
20 2.26 ~ 2.76
40 1.08 ~ 1.28
60 0.56 ~ 0.64
80 0.3 ~ 0.34
120 0.11 ~ 0.12
Sensors and Actuators –Fuel Temperature Sensor
•Detects the fuel inlet temperature at fuel line.
•If the fuel temperature is over 80 ℃, max. engine rpm is limited 3000rpm
•Located on return line
Fuel Temp. Sensor

51. 51R -Engine
Copyright ⓒ2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any formor by any means without the written permission of Kia Motors Corporation.
Sensors and Actuators –APS 1,2 and Brake S/W
•Sensor 1
-For injection amount and timing
(torque request signal)
•Sensor 2
-Sensor 1 monitoring,
preventing sudden starting
•Failsafe
-1,250 rpm fix
Brake S/W
APS 1, 2