INTAKE MANIFOLD COMMUNICATION CONTROL (IMCC) SYSTEM OPERATION [AJ]

BME011300045T03

• The IMCC valve opens when it receives the IMCC operation signal from the PCM at an engine speed of 3,750 rpm and closes again at 5,560 rpm.
• Generation of rebound pressure waves begins from the shaded areas on the throttle body side, producing an inertia charging effect.

1
IMCC valve closed below 3,750 rpm or above 5,560 rpm
2
IMCC valve open 3,750-5,560 rpm
3
Dynamic chamber
4
IMCC valve
5
Intake manifold
6
Rebound pressure waves
7
Intake air