Variable Induction Control Valve: Description and Operation

Position







Task
Y22/6: controlling the resonance intake manifold vacuum unit
Y22/7: controlling the resonance intake line vacuum unit

Function
The resonance intake manifold switchover valve (Y22/6) or the resonance intake line switchover valve (Y22/7) is actuated at the ground end by the IFI control module (N3/7).
- Signal from control module:
Connections (2) and (3) or (5) and (6) linked - vacuum at resonance intake manifold or resonance intake line vacuum unit
- No signal from control module:
Connections (1) and (2) or (4) and (5) linked - air admitted to resonance intake manifold or resonance intake line vacuum unit