Lambda engine

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Lambda Engine
Copyright by Hyundai Motor Company. All rights reserved.

2.

Lambda Engine
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Specification
Items
Lambda (λ) 3.3
Lambda (λ) 3.8
3,342
3,778
92 x 83.8
96 x 87
10.4
10.4
Max. Power (PS/rpm)
268/6,200
294/6,200
Max. Torque (kg·f/rpm)
32.2/4,500
36.5/4,500
650±50
650±50
MLA(Shimless)
MLA(Shimless)
DUAL CVVT
DUAL CVVT
1-2-3-4-5-6
1-2-3-4-5-6
Ignition Timing (Idle)
10±5°
10±5°
Engine Oil Capacity
5.5ℓ
5.5ℓ
Fuel Tank Capacity
73ℓ
73ℓ
Displacement (cc)
Bore x Stroke
Compression Ratio
Idle Speed (rpm)
Valve adjuster
CVVT
Firing Order

3.

Lambda Engine
3
Engine Room
ECM
Battery adaptor
OCV

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Lambda Engine
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Engine Front View
ETC
Water Pump
Sonic Chamber
Serpentine Belt
Alternator
P/S Pump
Auto-tensioner
A/C Compressor

5.

Lambda Engine
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Changing Item – Cylinder Block, Cylinder Head
▶ It is impossible to interchange with
lambda l
▶ It is impossible to interchange with
lambdaㅣ
▶ Added #4 Side Bolt
▶ M14 Long Reach Spark Plug applied
Spark Plug
Exhaust water jacket
#4 Side bolt

6.

Lambda Engine
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VIS (Variable Intake System)
VIS Valve
Close
VIS Valve
VIS Valve
Open

7.

Lambda Engine
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Alternator and Battery system - Concept
conventional engine
BH (Lambda engine)
Battery Temp. ≈ Engine Room Temp.
Battery Temp. ≠ Engine Room Temp.
Battery Voltage ≈ Alternator Voltage
Battery Voltage < Alternator Voltage

8.

Lambda Engine
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Battery Sensor
▶ Battery Sensor : Measure Temperature, Voltage, Current
▶ SOC (State Of Charge)
ECM
C Terminal
Decide charging voltage
LIN
Monitoring
Vehicle
SOC
conditions
Alternator
B+ Supply
FR Terminal
TPS
LIN wire
VSS
RPM
Battery Sensor
Battery Sensor
※C - Terminal : Communication with alternator
FR - Terminal : Field Coil Reflector.

9.

Lambda Engine
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System Component
▶ Alternator : 4 Pins
▶ Calculate SOC
IG Terminal
C Terminal
L Terminal
FR Terminal
▶ Wake-up Mode (each 8 hours)
Send SOC
Request
information
SOC information

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Lambda Engine
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Diagnosis
ⓗ
ⓔ
ECM
C
FR
ⓑ
ⓒ
PWM
ⓐ
ⓖ
LIN BUS
A-45
A-15
A-36
Battery Sensor
ⓕ
Battery
PWM
ⓓ B+
※ Generation of ampere after starting
AH
120~150 sec.
Charging
1560 sec.
Control target SOC,
Feed back target voltage
Discharging
Control target SOC
(Deceleration, Constant Speed)
(Acceleration, Deceleration, Constant
speed)

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Lambda Engine
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Dual CVVT
▶ 2 Exhaust CVVT and OCV, 2 Intake CVVT and OCV
▶ 4 CMP Sensor
CMP
CMP
Exhaust OCV
→: SUPPLY
Intake OCV
→: ADVANCE
→: RETARD
Exhaust OCV
Intake CVVT
Exhaust CVVT
Exhaust OCV

12.

Lambda Engine
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Valve Timing (3.3L)
Max. Retard
TDC
14°
Max. Advance
TDC
26°
Intake
66°
26°
BDC
TDC
BDC
TDC
42°
0°
Exhaust
10°
BDC
52°
BDC

13.

Lambda Engine
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CVVT operations
Load
Middle · High Speed, High Load
Low Speed, High Load
IN
EX
IN
EX
Performance
BDC
TDC
BDC
BDC
TDC
BDC
Low · Middle Speed and Load
IN
EX
Emission, Fuel consumption
Retard
BDC
TDC
BDC
idle: Intake Max. Retard, Exhaust Max. Advance
Engine rpm

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Lambda Engine
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CVVT Assembly
EX
Lock Pin
IN
Advance
Intake
BDC
Rotor
Sprocket
TDC
BDC
▶ Initial position : Max. Retard
EX
IN
Bias
Spring
Retard
Exhaust
BDC
TDC
BDC
▶ Initial position : Max. Advance