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Ethrottle Idle up with AC


Grant Baker
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Hi

On an "old" Audi (pre can bus), I've got aircon request coming into a Fury via a DI.

There is no output for AC Clutch though as it's controlled by the Climate module.

Therefore, idle is dropping as no compensation is added when the AC is on, even though the AC Trims are set correctly.

I'm trying to work out how to increase Ethrottle duty with AC Request and the only thing I can work out is to add a 2nd Ethrottle table which is a copy of the first but with higher idle percentages, and have it switched by the AC request DI.

To me, this seems ridiculous - I wonder why the AC Trims won't work unless a clutch is actuated by the Fury?

Any bright ideas?

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