ENGINE CONTROL SYSTEM [WITH CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)]


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Outline

•  Engine coolant is supplied to the appropriate engine coolant passage according to the engine load conditions.
•  Further engine warming has been promoted by blocking each water passage while the engine is cool.
―  Coolant control valve adopted
•  Pumping loss due to intake/exhaust stroke is reduced to improve fuel economy during low engine loads.
―  Cylinder deactivation control adopted

Structural View


Input device

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*1  :IG1 relay
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Output device

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*1  :Fuel pump relay, starter relay, electric variable valve timing relay, fuel injector relay, main relay, A/C relay, cooling fan relay No.1, cooling fan relay No.2, cooling fan relay No.3
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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

•  Each control system and their related input and output parts are as follows.
×: Applicable

Item

MAIN RELAY CONTROL

DRIVE-BY-WIRE CONTROL

HYDRAULIC VARIABLE VALVE TIMING CONTROL

ELECTRIC VARIABLE VALVE TIMING CONTROL

FUEL INJECTION CONTROL SYSTEM

FUEL PUMP CONTROL

HIGH PRESSURE FUEL PUMP CONTROL

ELECTRONIC SPARK ADVANCE CONTROL

PURGE CONTROL

AIR FUEL RATIO (A/F) SENSOR HEATER CONTROL

HEATED OXYGEN SENSOR (HO2S) HEATER CONTROL

A/C CUT-OFF CONTROL

ELECTRICAL FAN CONTROL

STARTER CUT-OFF CONTROL

GENERATOR CONTROL

i-stop CONTROL

DC-DC CONVERTER CONTROL

ENGINE OIL VARIABLE CONTROL

EXHAUST SHUTTER VALVE CONTROL

CYLINDER DEACTIVATION CONTROL

WATER FLOW CONTROL

OIL CONTROL VALVE (OCV) HYDRAULIC CONTROL FOR CYLINDER DEACTIVATION

Input device
APP sensor No.1, No.2
 
×
×
 
×
   
×
×
   
×
×
   
×
 
   
×
 
×
TP sensor No.1, No.2
 
×
 
 
×
           
×
     
×
 
   
×
 
×
MAF sensor
 
×
×
×
×
 
×
×
×
     
×
   
×
 
×
       
IAT sensor No.1
 
×
 
×
×
   
×
×
     
×
 
×
×
 
   
×
×
×
IAT sensor No.2
 
×
 
×
×
   
×
             
×
 
   
×
 
×
MAP sensor
 
×
 
×
×
   
×
×
           
×
 
×
       
CKP sensor
 
×
×
×
×
×
×
×
×
   
×
×
×
×
×
 
×
 
×
×
×
Intake CMP sensor
 
×
 
×
×
   
×
             
×
 
         
Exhaust CMP sensor
 
×
×
 
×
 
×
×
             
×
 
         
ECT sensor
 
×
 
 
×
 
×
×
×
   
×
×
×
×
×
 
×
 
×
×
×
Fuel pressure sensor
 
×
 
 
×
×
×
               
×
 
         
BARO sensor
 
×
 
×
×
×
   
×
     
×
   
×
 
         
Power brake unit vacuum sensor
     
 
                     
×
 
         
Exhaust shutter valve position sensor
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
×
 
 
 
Engine oil temperture sensor
 
 
×
×
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
×
 
Coolant control valve position sensor
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
×
 
Ion sensor No.1—No.4
     
×
×
                     
 
         
KS
     
 
     
×
               
 
         
A/F sensor
     
 
×
     
×
             
 
         
HO2S
     
 
×
                     
 
         
Refrigerant pressure sensor
     
 
             
×
×
     
 
         
IG1 relay
×
 
×
 
×
×
 
×
 
×
×
 
×
×
 
×
×
         
Brake switch (No.1 signal)
 
×
 
 
                     
×
 
         
Brake switch (No.2 signal)
 
×
 
 
                       
 
       
 
Transaxle range sensor
 
×
 
 
×
               
×
 
×
 
         
Electric variable valve timing motor/driver
     
×
                     
×
 
         
Battery
   
×
 
 
×
×
×
×
         
×
×
 
     
×
 
Generator (Stator coil)
 
×
 
 
                       
 
 
 
 
 
 
Engine oil pressure sensor
                                 
×
       
Starter interlock switch (MTX)
                         
×
               
CPP switch (MTX)
 
×
 
 
×
   
×
     
×
 
 
 
×
 
         
Clutch stroke sensor (MTX)
                             
×
           
Neutral switch No.1 (MTX)
 
×
 
 
×
   
×
     
×
 
×
 
×
 
         
Neutral switch No.2 (MTX)
                             
×
           
CAN*1
 
×
 
 
×
×
 
×
     
×
×
×
×
×
 
 
 
 
×
 
Output device
Main relay
×
   
 
                       
 
         
Throttle valve actuator
 
×
 
 
                     
×
 
   
×
   
Electric variable valve timing motor/driver
     
×
×
                   
×
 
         
Electric variable valve timing relay
     
×
                     
×
 
         
OCV
   
×
 
                       
 
         
Fuel injector No.1—No.4
     
 
×
                   
×
 
   
×
   
Sub relay
     
 
×
                   
×
 
   
×
   
Fuel pump control module
     
 
 
×
                   
 
         
Fuel pump relay
     
 
 
×
                   
 
         
Spill valve control solenoid valve (High pressure fuel pump)
     
 
   
×
                 
 
         
Ignition coil No.1—No.4
     
 
     
×
             
×
 
         
Purge solenoid valve
     
 
       
×
             
 
         
A/F sensor heater
     
 
         
×
×
         
 
         
HO2S heater
     
 
         
×
×
         
 
         
A/C relay
     
 
             
×
       
 
         
Cooling fan relay No.1, No.2, No.3
     
 
               
×
     
 
         
Starter relay
     
 
                 
×
 
×
 
         
Generator (Field coil)
     
 
                   
×
×
 
         
DC-DC converter
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
×
 
 
 
 
 
Spark plug
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
×
 
 
Oil pump
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
×
 
 
Engine oil solenoid valve
     
 
                       
 
×
       
OCV for cylinder deactivation
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
×
 
×

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