IDLE AIR CONTROL (IAC) BLOCK DIAGRAM [LF]


B3E014018881T08

1
MAF sensor
2
IAT sensor
3
TP sensor
4
MAP sensor
5
CKP sensor
6
ECT sensor
7
A/C on request signal
8
Refrigerant pressure switch
9
Generator (terminal P: generation voltage)
10
BARO sensor
11
Neutral switch
12
CPP switch
13
Brake switch
14
Vehicle speed signal
15
Instrument cluster
16
PCM
17
IAC valve drive time
18
IAC target airflow amount
19
Required airflow volume
20
Required mass
21
Target charging efficiency
22
Basic charging efficiency
23
Various correction types
24
IAC valve