No, that's the intake. The throttle body is where your throttle cable connects to. It is between the intake piping from the filter and the intake manifold pictured above. If you look at it on the side where the intake pipe connects to it you should be able to find the adjuster screw. I believe the IACV (Idle Air Control Valve) should be on the back of the intake, but I'm not sure on the Dseries...

This should be where the adjuster screw is: