FUEL INJECTION CONTROL BLOCK DIAGRAM


BHE014000140T19

• 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).

1
Eccentric shaft position sensor
2
MAF sensor
3
SSV switch
4
IAT sensor
5
ECT sensor
6
TP sensor
7
BARO sensor
8
KS
9
APP sensor
10
A/C amplifier (A/C switch signal)
11
Battery positive voltage
12
Front HO2S
13
Rear HO2S
14
Vehicle speed signal (CAN signal)
15
Ignition switch
16
TCM (AT) (CAN SIGNAL)
17
DSC HU/CM (With DSC) (CAN signal)
18
Fuel injector
19
Fuel injector (Primary 1)
20
Fuel injector (Primary 2) (13B-MSP (High power))
21
Fuel injector (Secondary)
22
PCM
23
Synchronized injection control
24
Non-synchronized injection control
25
Fuel cut control
26
Injection timing control
27
Injection timing control at engine start
28
Injection timing control after engine start
29
Engine speed
30
Basic injection time at engine start
31
Engine speed correction
32
Throttle opening angle volume reduction correction
33
BARO correction
34
Volume reduction correction at engine start
35
Ineffective injection time
36
Fast idle correction
37
Warm-up volume increase correction coefficient
38
Volume increase correction coefficient after engine start
39
Volume increase correction at high temperature engine restart
40
Acceleration correction
41
Deceleration correction
42
Power volume increase correction
43
Air/fuel ratio learning correction
44
Purge correction
45
Traction volume increase correction
46
Air/fuel ratio feedback correction
47
Base engine demand fuel ratio
48
Injector max/min injection time
49
Ineffective injection time
50
Non-synchronized injection at engine start
51
Non-synchronized injection at acceleration
52
Non-synchronized injection time at fuel cut recovery
53
Traction control (DSC) fuel cut
54
Fuel cut at continuous high engine speed
55
Fuel cut at abnormal drive-by-wire control
56
Fuel cut at deceleration
57
Fuel injection timing
58
Injection volume at engine start
59
Final injection pulse width
60
Amount of correction
61
Engine demand fuel volume
62
Effective injection pulse width
63
Control item
64
Calculated item