2012 SSANGYONG KORANDO engine oil

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3. ECU CONTROL
1) Functions
ECU receives and analyzes signals from various sensors and then modifies those signals into
permissible voltage levels and analyzes to control respective actuators.
ECU microprocessor calculates injection period and injection timing proper for engine piston speed and
crankshaft angle based on input data and stored specific map to control the engine power and emission
gas.
Output signal of the ECU microprocessor activates the injector solenoid valve to control the fuel injection
period and injection timing; so controls various actuators in response to engine changes.
Auxiliary function of ECU has adopted to reduce emission gas, improve fuel economy and enhance
safety, comforts and conveniences. For example, there are autocruise and immobilizer and adopted
CAN communication to exchange data among electrical systems (automatic T/M and brake system) in
the vehicle fluently. And the diagnostic tool can be used to diagnose vehicle status and defectives.
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47009b009600470052005f005c00b6006a004700880095008b> protected from factors like oil,
water and electromagnetism and there should be no mechanical shocks.
2) Control Functions
Controls by operating stages:
To make optimum combustion under every operating stage, ECU should calculate proper injection
volume in each stage by considering various factors.
Starting injection volume control:
During initial starting, injecting fuel volume will be calculated by function of temperature and engine
cranking speed. Starting injection continues from when the ignition switch is turned to ignition
position to till the engine reaches to allowable minimum speed.
Driving mode control:
If the vehicle runs normally, fuel injection volume will be calculated by accelerator pedal travel and
engine rpm and the drive map will be used to match the drivers inputs with optimum engine power. -
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Coolant temperature
sensor
4) Ignition System Control
(1) Overview
G20DF engine is equipped with the single ignition system. Each spark plug is operated independently
by the ECU and one ignition coil and spark plug are provided for each cylinder.
(2) Components
Input Components ▶
Crankshaft position
sensorAccelerator pedal position
sensor
Knock sensorCamshaft position
sensorElectronic
throttle body
Output Components ▶

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6) Cooling Fan Control
(1) Overview of Cooling Fan and A/C Compressor
The cooling system maintains the engine temperature at an efficient level during all engine operating
conditions. The water pump draws the coolant from the radiator. The coolant then circulates through
water jackets in the engine block, the intake manifold, and the cylinder head. When the coolant reaches
the operating temperature of the thermostat, the thermostat opens. The coolant then goes back to the
radiator where it cools. The heat from automatic transaxle is also cooled down through the radiator by
circulating the oil through the oil pump. There are two cooling fans (180W+120W) in G20DF engine. ECU
controls the electric cooling fans with three cooling fan relays to improve the engine torque and air
conditioning performance.
(2) Components
Refrigerant pressure
sensorCoolant temperature
sensorG20DF Engine
ECURelay box in engine
compartment
A/C compressorCooling fan moduleT-MAP sensor

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2. SPECIFICATION
DescriptionDiesel 2.0 Engine
(D20DTF(Low CO2))
General Overall length (mm) 4,410 (4,500: with trailer hitch)
Overall width (mm) 1,830
Overall height (mm) 1,675
Gross vehicle
weight (kg)M/T 4WD : 2,065(2,110)
2WD : 1,905(1,920)
Curb vehicle
weight (kg)M/T 4WD : 1,740(1,785)
2WD : 1,580(1,595)
Fuel Diesel
Fuel tank capacity (ℓ)57
Engine Engine D20DTF
Number of cylinders/ Compression ratio 4 / 16.5:1
Total displacement (cc) 1,998
Camshaft arrangement DOHC
Max. power M/T 149 ps / 4,000 rpm
Max. torque 360 Nm / 1,500~2,800 RPM
Idle speed750 ± 20 rpm
Cooling system Water-cooled / forced circulation
Coolant capacity (ℓ)8.5
Lubrication type Gear pump, forced circulation
Max. oil capacity (ℓ)6.0
Turbocharger and cooling type Turbocharger, water-cooled

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Brake Master cylinder type Tandem type
Booster type Vacuum assisted booster type
Brake type Front wheel Disc
Rear wheel Disc
Parking brake Mechanical type
Suspension Front suspension MacPherson + Coil spring
Rear suspension Multi-link + Coil spring
Air
ConditionerRefrigerant (capacity)
R-134a(430 ± 30g)
Electrical Battery type / Capacity (V-AH) MF / 12 - 90
Starter capacity (V-KW) 12 - 2.3
Alternator capacity (V-A) 14V-140A (EPS), 14V-120A (NPS)
* ( ) option
DescriptionDiesel 2.0 Engine
(D20DTF(Low CO2))
Manual
TransaxleOperating type Floor change type
Gear ratio 1st 3.385
2nd 1.708
3rd 1.033
4th 0.786
5th 0.730
6th 0.595
Reverse 3.747
Transfer Case Model 4WD
Type Electronic control type
Clutch Operating type Hydraulic type
Disc type Dry single diaphragm type
Power
SteeringType Rack and pinion
Steering angle Inner39.0°
Outer31.24°
Rear Axle Drive shaft type Independent
suspensionBall joint type (4WD)
Axle housing type Build-up type (4WD)

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3. RECOMMENDED FLUIDS AND LUBRICANTS
Descriptions Capacity Specifications
Engine OilDiesel 2.0≒ 6.0ℓ Quality class: Ssangyong genuine engine oil
(Total Quartz INEO ECS 5W 30, SK ZIC SY
5W 30 or oil Approved by MB 229.51 SAE 5W30)
Engine Coolant Diesel 2.0≒ 8.5ℓ Ssangyong genuine coolant
Anti-Freeze: SYC-1025
Manual Transaxle
Fluid6-speed≒ 1.6ℓ Ssangyong genuine oil (HD MTF 75W/85
(SHELL) or HK MTF 75W/85(SK))
Transfer Case Fluid
4WD ≒ 0.58ℓ Ssangyong genuine oil
(IDEMITSU LW 80W/90)
Rear Axle Oil 4WD ≒ 0.7ℓ Ssangyong genuine oil
(SAE 80W/90, API GL-5)
Brake / Clutch Fluid As required Ssangyong genuine oil (DOT4)
Power Steering Fluid≒ 1.0ℓ Ssangyong genuine oil (ATF DEXRON II)
* TOTAL FLUIDE DA (Extreme cold condition
only)
Use only Ssangyong genuine fluids. Use of non-recommended products could cause damage to
the unit
Keep the specified capacity and service interval. -
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2. OPERATING PROCESS
System diagram ▶
Operation ▶
EEM monitors the electric loads and battery conditions and controls the voltage to improve the fuel
economy and battery charging efficiency.
EBS on “-“ terminal of battery sends the battery information (voltage, current, tem
perature and
SOC) to engine ECU with LIN communication.
Engine ECU outputs the information from EBS and regulating control signal (PWM) according to the
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Engine ECU controls the magnetic resistance between stator coil and rotor coil by controlling the
current in rotor coil according to PWM duty value.
The alternating voltage induced to stator coil is converted to direct voltage by rectifier. And, EBS
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9b008c009900950088009b009600990055> -
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Indicator
(amber)
ESP ▶
ESP OFF indicator ▶
Engine check warning lamp ▶
Indicator
(amber)
Indicator
(amber)
Indicator (red)
Battery charge warning lamp ▶
Indicator (red)
Engine oil level warning lamp ▶This lamp comes on if any sensor or device related to the engine control is
defective.
This lamp comes on when the start switch is ON or when the battery level is
low.
(For EEM, warning lamp is controlled according to CAN signal)
This lamp comes on when the ignition switch is turned to "ON" position,
and then goes off if the engine oil level is normal.
If the engine oil level warning lamp comes on while driving, check the
engine oil level and oil leakage. -
- This indicator comes on when the ESP system is faulty.
This indicator comes on when pressing the ESP OFF switch.