[audi20v] Re: Cruise control

Huw Powell audi at humanspeakers.com
Tue Feb 26 10:32:04 PST 2008



Robert Swain, Jr. wrote:

> I did have one other Q. I assume there's some kind of
> sensor that reads speed and that causes the system to
> disengage when the brake or clutch is tapped. Could
> that sensor be bad? A week ago after fiddling with the
> "Set" button for awhile, the system suddenly engaged
> but of course immediately disengaged when I tapped the
> brake while at highway speed. Whatever electrical
> signal that causes the system to disengage doesn't
> seem likely to be in the stalk. Or does it? Thanks.

See this:

http://www.humanspeakers.com/audi/cruise.htm

and

http://www.humanspeakers.com/audi/cruise-diagram.htm

There is a speed sensor in the speedo, never seen them go bad.

There are combination vacuum/electrical switches on the clutch and brake 
pedal that turn the CC off.  Those switches, if dirty, stop it from 
working, and if over-sensitive also present a problem.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/


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