Ari, you    are quite correct. I had forgotten aout that.

John Rodgers
88 GL Driver

Ari Ollikainen wrote:

> At 11:20 PM -0600 1/28/02, John Rodgers wrote:
> >
> >This little gizmo MUST be disconnected when you set the idle speed
> >adjustment. It does two things: 1) keeps the idle speed up on a cold
> >start so the engine doesn't stall. When the engine warms up, the ECU cuts
> >it out of the circuit because it is no longer needed. 2) The ISV kicks up
> >the engine idle rpm to 1200/1300 rpm when the AC is on to prevent the
> >compressor load from stalling the engine. So far as I know this is the
> >only two times the ISV come into play.
>
>         Ummm...AFAIK it also comes into play when the power steering pump
>         is stressed by turning the front wheels when stationery at
>         the extreme left or right position.