1. Remove the service hole cover. (See EGR VALVE REMOVAL/INSTALLATION [LF])
2. Disconnect the vacuum hose from the variable intake air solenoid valve.
3. Connect a vacuum pump to the vacuum hose.NOTE:
Verify that the variable intake air shutter valve actuator rod moves using a mirror.
4. Apply vacuum and verify that the rod moves.
If the rod does not move, replace the variable intake air shutter valve actuator. (See VARIABLE INTAKE AIR SHUTTER VALVE ACTUATOR REMOVAL/INSTALLATION [LF].)
Vacuum
kPa {mmHg, inHg}
Rod movement
Below –2.7 {–21, –0.9}
Not operate
Above –33.4 {–251, –9.89}
Fully pulled