Franc, what does ICU mean? Idle Control Unit, so same as ISCU?? Cheers, Ben RAlanen@aol.com wrote: > In a message dated 13/04/2007 4:12:27 P.M. Eastern Standard Time, > LISTSERV@GERRY.VANAGON.COM writes: > > As i'm stuck in the /%&$%?/!$?&% snow, i could not make it to > Everybus, so > i'm working... > > Rarely that i ask for help but maybe now someone had that problem > and can > give me an hint, i'm NO AC guru at all. > > The van is an 87 with AC > > Problem: customer drive the van with AC ON on freeway, get out of > freeway, > let go of the gas pedal, Idle stays at 2000 RPM, close AC, idle is > fine, put > back AC, engine rev up to 2000. > > So, on Digfan/late Van, i can not trace what control the higher > idle when AC > is ON, i know that the ISCU (Idle Stabbilizer Control Unit) > control the > Power stering higher idle but not sure about AC, anyway, i thought > i ask > before i get into that problem and loose precious time. I didn't > take a real > look at the schema but will later. > > > > Benny Boy, I see no one has responded to your question > yet. I have worked with this problem before. On top of the > compressor is a wire, yellow/black I think, not sure, but anyways that > wire goes to the ICU and it gives info that the compressor is > activated and the ICU is supposed to adjust the idle accordingly. I > would check to make sure that wire is connected and working. If > that's not the problem then it's the ICU that's at fault. > > Cheers, > > Frank Condelli > Almonte, Ontario, Canada > '87 Westy, '90 Carat, '87 Wolfsburg (Forsale) & Lionel Trains > (Collection for sale <http://members.aol.com/Fkc43/trainsal.htm>) > Frank Condelli & Associates > <http://members.aol.com/Fkc43/busindex.html> - Vanagon/Vanagon > Westfalia Service in the Ottawa Valley > Vanagon Stainless Steel Exhaust Systems > <http://members.aol.com/Fkc43/stebro.htm> > BusFusion <http://members.aol.com/BusFusion/bfhome.htm> a VW Camper > camping event, Almonte, ON, June 07 ~ 10, 2007 > >------------------------------------------------------------------------ > >No virus found in this incoming message. >Checked by AVG Free Edition. >Version: 7.5.446 / Virus Database: 269.4.0/760 - Release Date: 2007-04-13 20:04 > > |
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