ENGINE [SKYACTIV-D 1.5]

id0100000002q1


Special Features

•  For SKYACTIV-D 1.5, the following have been adopted to lower fuel consumption.
―  Low compression ratio
•  Combustion efficiency by lower compression ratio (14.8)
―  Weight reductions
•  Aluminum alloy cylinder block adopted
•  Hard-plastic intake manifold adopted
•  Exhaust manifold integrated cylinder head adopted
―  Improvement of mechanical resistance loss
•  Optimized oil passage
•  Optimized oil pump shape
•  Optimized engine coolant passage
•  Optimized water pump impeller shape
―  Weight reduction and mechanical resistance loss improvements
•  Piston shape optimized
•  Narrowed down crankshaft journal
―  Heat loss reduction
•  Water jacket spacer adopted
―  Cooling loss improvement
•  Coolant control valve adopted
•  Glow control has been adopted to improve engine startability and diesel particulate filter regeneration performance.
―  Glow control module adopted
•  Engine hydraulic pressure switching control has been adopted reducing engine load.
―  Engine oil solenoid valve adopted
•  An exhaust gas recirculation (EGR) system has been adopted which achieves cleaner exhaust emissions and improved fuel efficiency.
•  Boost control has been adopted for improved vehicle acceleration performance, fuel economy, and environmental performance.
―  Variable geometry turbocharger adopted
―  Speed sensor component (variable geometry turbocharger) adopted
•  Generator output control adopted, fuel economy/idling stability improved.
―  Current sensor adopted
•  LIN communication has been adopted to the current sensor and DC-DC converter for simplified wiring harnesses.
•  i-stop control has been adopted for improved fuel efficiency, reduced exhaust gas emissions, and reduced idling noise.
•  DC-DC converter control has been adopted for improved power supply stability.
―  DC-DC converter adopted

Specification

Item

Specification
MECHANICAL
Type
Diesel, 4-cycle
Cylinder arrangement and number
In-line, 4-cylinder
Combustion chamber
Direct injection
Valve system
DOHC, timing chain driven, 16 valves
Displacement
(ml {cc})
1,499 {1,499}
Bore × stroke
(mm {in})
76.0 × 82.6 {2.99 × 3.25}
Compression ratio
14.8:1
Valve timing
IN
Open
(°)
BTDC 3
Closed
(°)
ABDC 25
EX
Open
(°)
BBDC 40
Closed
(°)
ATDC 8
LUBRICATION SYSTEM
Type
Force-fed type
Oil pressure (reference value)
[Oil temperature: 80—90 °C {176—194 °F}, Coolant temperature: 80—90 °C {176—194 °F}]
(kPa {kgf/cm2, psi}[rpm])
Low oil pressure: 110―175 {1.13―1.78, 16.0―25.3}[1,500]
High oil pressure: 300―430 {3.06―4.38, 43.6―62.3}[3,000]
Oil pump
Type
Trochoid gear type
Oil filter
Type
Full-flow, paper element
Bypass pressure
(kPa {kgf/cm2, psi})
225—265 {2.30—2.70, 32.7—38.4}
Oil capacity (approx. quantity)
Oil replacement
(L {US qt, lmp qt})
4.7 {5.0, 4.1}
Oil and oil filter replacement
(L {US qt, lmp qt})
5.1 {5.4, 4.5}
Total (dry engine)
(L {US qt, lmp qt})
5.8 {6.1, 5.1}
COOLING SYSTEM
Type
Water-cooled, Electromotive
Engine Coolant capacity
(L {US qt, lmp qt})
MTX: 6.9 {7.3, 6.1}
ATX: 7.0 {7.4, 6.2}
Water-cooled charge air cooler
(L {US qt, lmp qt})
1.8 {1.9, 1.6}
Water pump
Type
Centrifugal, V-ribbed belt-driven
Electric water pump
Type
Electromotive
Thermostat
(Built into the coolant control valve)
Type
Wax type
Opening temperature
(°C {°F})
101―105 {214―221}
Full-open temperature
(°C {°F})
116 {241}
Full-open lift
(mm {in})
3 {0.1} or more
Radiator
Type
Corrugated fin type
Engine Cooling system cap
Valve opening pressure
(kPa {kgf/cm2, psi})
93.2―122.6 {0.951―1.250, 13.6―17.7}
Water-cooled charge air cooler reservoir tank cap
Valve opening pressure
(kPa {kgf/cm2, psi})
24―36 {0.25―0.36, 3.5―5.2}
Cooling fan
Type
Electric type
Number of blades
Cooling fan No.1: 7
Cooling fan No.2: 9
Outer diameter
(mm {in})
320 {12.6}
Cooling fan motor output
(W)
240
FUEL SYSTEM
Supply pump
Type
Electric control
Fuel injector
Type
Electric control
Fuel tank
Capacity
(L {US gal, lmp gal})
51.0 {13.5, 11.2}
Fuel type
Type
EN590 or the equivalent
CHARGING SYSTEM
Battery
Voltage
(V)
12
Type
S-95
Generator
Output
(V-A)
12-150
STARTING SYSTEM
Starter
Type
Coaxial reduction
Output
(kW)
1.7
CONTROL SYSTEM
i-stop OFF switch
ON/OFF
Neutral switch
ON/OFF
CPP switch
ON/OFF
MAF sensor
Hot film
IAT sensor
Thermistor
MAP sensor
Semiconductor strain gauge
APP sensor
Electromagnetic induction
CKP sensor
MR (Magnetic Resistance) element
CMP sensor
MR (Magnetic Resistance) element
ECT sensor
Thermistor
BARO sensor
Piezoelectric element
Fuel pressure sensor
Piezoelectric element
Coolant control valve
Contact-type rotary
Current sensor
Shunt resistance, Thermistor
A/F sensor
zirconium element
Boost air temperature sensor
Thermistor
Fuel temperature sensor
Thermistor
Exhaust gas temperature sensor
Thermistor
Exhaust gas pressure sensor No.1
Semiconductor strain gauge
Exhaust gas pressure sensor No.2
Piezoelectric element
Engine oil temperature sensor
Thermistor
Engine oil pressure sensor
Semiconductor strain gauge
Intake shutter valve position sensor
Hall element
Exhaust shutter valve position sensor
Hall element
HP-EGR control valve position sensor
Hall element
LP-EGR control valve position sensor
Hall element
Speed sensor assy (turbocharger with variable turbine geometry)
MR (Magnetic Resistance) element
Actuator position sensor (turbocharger with variable turbine geometry)
Hall element
Clutch stroke sensor
Hall element
Power brake unit vacuum sensor
Piezoelectric element

Compression pressure

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Engine oil

Recommended engine oil

Alternative engine oil
Mazda Original Oil Supra DPF 0W-30
Mazda Original Oil Ultra DPF 5W-30
ACEA C3
0W-30, 5W-30