FUEL INJECTION CONTROL BLOCK DIAGRAM [ZJ, Z6]


B3E014000140T23
• The PCM determines the engine operation conditions based on the input signals from each sensor, drives the injectors at the optimum fuel injection time (fuel injection amount) and fuel injection timing to inject fuel.

1
Neutral switch (MTX)
2
CPP switch (MTX)
3
PSP switch
4
ECT sensor
5
IAT sensor
6
CKP sensor
7
CMP sensor
8
TP sensor
9
MAF sensor
10
Front HO2S
11
Rear HO2S
12
BARO sensor
13
Vehicle speed signal
14
TR switch (ATX)
15
Brake switch
16
Instrument cluster (A/C on request signal)
17
Refrigerant pressure switch (low pressure switch, high pressure switch)
18
Refrigerant pressure switch (low pressure switch, high pressure switch)
19
Battery
20
Instrument cluster (engine stop request signal)
21
Synchronized fuel injection
22
Effective injection time
23
Injection time at engine start
24
Basic injection time
25
Corrections
26
Ineffective injection time
27
Non-synchronized fuel injection
28
Ineffective injection time
29
Fuel injector actuation timing and actuation time
30
Fuel injector