CONTROL SYSTEM
01–40–18
FUEL INJECTION CONTROL BLOCK DIAGRAM
CHU014000140S19
• The PCM determines the engine operation conditions based on input signals and operates the injectors to
inject fuel with the optimum fuel injection timing and fuel injection time (fuel injection amount).
End Of Sie
PCM
ECCENTRIC SHAFT POSITION
SENSOR
MAF SENSOR
IAT SENSOR
ECT SENSOR
BARO SENSOR
KS
APP SENSOR
BATTERY POSITIVE VOLTAGE
FRONT HO2S
REAR HO2S
VEHICLE SPEED SIGNAL
(CAN SIGNAL)
IGNITION SWITCH
SSV SWITCH
DSC HC/UM (CAN SIGNAL)
TCM (CAN SIGNAL)
CONTROL ITEM
CALCULATED ITEM
ENGINE SPEED
FUEL
INJECTION
TIMING
BASIC INJECTION TIME
AT ENGINE START
ENGINE SPEED CORRECTION
THROTTLE OPENING ANGLE
VOLUME REDUCTION CORRECTION
BAROMETRIC PRESSURE
CORRECTION
VOLUME REDUCTION
CORRECTION AT ENGINE START
INEFFECTIVE INJECTION TIME
INEFFECTIVE INJECTION TIME
FAST IDLE CORRECTION
WARM-UP VOLUME INCREASE
CORRECTION COEFFICIENT
VOLUME INCREASE CORRECTION
COEFFICIENT AFTER ENGINE START
VOLUME INCREASE CORRECTION
AT HIGH TEMPERATURE ENGINE
RESTART
ACCELERATION CORRECTION
DECELERATION CORRECTION
POWER VOLUME INCREASE
CORRECTION
AIR-FUEL RATIO LEARNING
CORRECTION
AIR-FUEL RATIO FEEDBACK
CORRECTION
PURGE CORRECTION
TRACTION VOLUME INCREASE
CORRECTION
BASE ENGINE
DEMAND FUEL RATIO
INJECTOR MAX/MIN INJECTION TIME
NON-SYNCHRONIZED INJECTION AT
ENGINE START
NON-SYNCHRONIZED INJECTION AT
ACCELERATION
NON-SYNCHRONIZED INJECTION TIME AT
FUEL CUT RECOVERY
TRACTION CONTROL (DSC) FUEL CUT
FUEL CUT AT CONTINUOUS HIGH ENGINE SPEED
(ABOVE 200 KM/H {124.3 MPH})
FUEL CUT AT ABNORMAL ELECTRONIC
THROTTLE CONTROL
FUEL CUT AT DECELERATION
INJECTION
TIMING CONTROL
INJECTION TIMING
CONTROL AT ENGINE START
INJECTION TIMING CONTROL AFTER ENGINE START
SYNCHRONIZED INJECTION CONTROL
NON-SYNCHRONIZED
INJECTION CONTROL
FUEL CUT CONTROL
INJECTION
VOLUME
AT ENGINE START
AMOUNT OF CORRECTION
ENGINE DEMAND FUEL VOLUME
EFFECTIVE INJECTION PULSE WIDTH
FINAL INJECTION PULSE WIDTH
PRIMARY 1
PRIMARY 2
(13B-MSP (HIGH POWER))
SECONDARY
TP SENSOR
A/C AMPLIFIER
FUEL INJECTOR
CHU0140S016
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