Variable Induction Control Valve: Testing and Inspection
INSPECT INTAKE AIR CONTROL VALVEa. With 39.9 kPa (300 mmHg, 11.8 in.Hg) of vacuum applied to the actuator, check that the actuator rod moves.
b. One minute after applying the vacuum in step (a), check that the actuator rod does not return.
If the operation is not as specified, replace the intake manifold.