On-Vehicle Inspection
INSPECT INTAKE AIR CONTROL VALVEa. With 53.3 kPa (400 mmHg, 15.75 in.Hg) of vacuum applied to the actuator, check that the actuator rod moves.
If operation is not as specified, turn the adjusting screw.
b. 1 minute after applying the vacuum in (a), check that the actuator rod does not return.