ENGINE CONTROL SYSTEM [SKYACTIV-D 2.2]

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Outline

• Two-step boost control has been adopted, realizing low emission, low fuel consumption, high torque, and high response.

― Variable geometry turbocharger adopted

― Regulating valve actuator adopted

― Variable turbine geometry turbocharger actuator adopted

• Engine coolant flow volume control has been adopted, realizing low fuel consumption.

― 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

• DC-DC converter control has been adopted for improved power supply stability.

― DC-DC converter adopted

• Generator output control adopted, fuel economy/idling stability improved.

― Current sensor adopted

Structural View

Input device

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Output device

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*1 :Main relay, blow-by heater relay, starter relay, A/C relay

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System Diagram

Input device

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Output device

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System Wiring Diagram

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Block Diagram

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*1 :TCM, DSC HU/CM, front body control module (FBCM), rear body control module (RBCM), instrument cluster, start stop unit, EPS control module

Relation Chart

×: Applicable

Item	MAIN RELAY CONTROL	IDLE SPEED CONTROL	TWO-STAGE TURBO CONTROL	FUEL INJECTION AMOUNT CONTROL	MULTIPLE FUEL INJECTION CONTROL	FUEL INJECTION TIMING CONTROL	FUEL PRESSURE CONTROL	INTAKE SHUTTER VALVE CONTROL	COOLANT CONTROL VALVE CONTROL	GLOW CONTROL	EGR CONTROL	AIR FUEL RATIO (A/F) SENSOR HEATER CONTROL	DIESEL PARTICULATE FILTER REGENERATION CONTROL	A/C CUT-OFF CONTROL	ELECTRICAL FAN CONTROL	STARTER CUT-OFF CONTROL	GENERATOR CONTROL	RUN DRY PREVENTION (RDP) CONTROL	BLOW-BY HEATER CONTROL	ENGINE OIL CONTROL	i-stop CONTROL	DC-DC CONVERTER CONTROL
Input device
Check connector													×	×
IG1 relay	×		×		×			×	×	×						×					×	×
Brake switch (No.1, No.2 signal)																					×
Glow control module										×
IAT sensor No.1, No.2		×	×	×	×	×	×	×	×	×	×	×	×				×				×
MAP sensor No.1, No.2		×	×	×		×	×	×			×		×
ECT sensor		×	×	×	×	×	×	×	×	×	×	×	×	×	×	×				×	×
Fuel temperature sensor				×			×
Boost air temperature sensor			×				×				×		×
APP sensor No.1, No.2		×	×	×	×	×	×	×	×		×		×	×							×
MAF sensor			×	×	×	×	×	×			×		×
Fuel pressure sensor				×		×	×						×
Intake shutter valve position sensor							×	×			×		×								×
EGR cooler bypass valve position sensor			×				×	×			×		×								×
EGR valve position sensor			×				×	×			×		×								×
Exhaust gas pressure sensor No.1, No.2		×	×			×		×		×	×		×
BARO sensor		×	×	×	×	×	×	×		×	×		×								×
Battery			×						×	×		×			×		×				×
Refrigerant pressure sensor		×												×	×
Exhaust gas temperature sensor No.1, No.2, No.3			×	×	×	×	×	×			×	×	×
Engine oil temperature sensor		×					×		×											×
Engine oil pressure sensor		×					×						×
Regulating valve actuator position sensor			×										×								×
Variable turbine geometry turbocharger actuator position sensor			×
Coolant control valve position sensor									×
Ambient temperature sensor																			×
A/F sensor				×	×	×	×	×			×
Power brake unit vacuum sensor																					×
CKP sensor	×	×	×	×	×	×	×	×	×	×	×	×	×	×		×	×		×	×	×
CMP sensor				×	×	×	×	×			×										×
Transaxle range sensor		×		×	×			×					×								×
CAN^*2		×		×	×	×	×	×	×	×	×		×	×	×	×	×	×			×	×
LIN										×
Output device
Intake shutter valve							×	×					×								×
EGR cooler bypass valve							×				×		×								×
EGR valve							×				×		×								×
Fuel pressure relief valve							×														×
Main relay	×
Regulating valve actuator			×										×								×
Variable turbine geometry turbocharger actuator			×										×								×
Compressor bypass solenoid valve			×										×								×
A/F sensor heater												×									×
Starter relay																×					×
Generator (Field coil)		×															×				×
A/C relay														×
Cooling fan relay No.1, No.2															×
Engine oil solenoid valve													×							×
Suction control valve							×														×
Fuel injector No.1—No.4		×		×	×	×							×					×			×
Blow-by heater relay																			×
OCV													×
DC-DC converter																	×					×
Glow plug No.1—No.4													×
Coolant control valve									×

*1 :Intake stroke EGR using double exhaust valve actuation system

*2 :TCM, DSC HU/CM, front body control module (FBCM), rear body control module (RBCM), instrument cluster, start stop unit, EPS control module