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        General >> Problems >> climate control has mind of own
        
(Message started by: kand on Mar 4^th, 2007, 3:21pm)

Title: climate control has mind of own
Post by kand on Mar 4^th, 2007, 3:21pm

Hi

I have a 2.9 n reg ultima. I have changed the front panel,the Heater blower control module but I still have a problem with climate control in the sense that it does what it wants!

it will turn on full power with the switch set to off, AC comes on with temp select set to high,sometimes it goes off with switch set high. I have done a reset and it doesnt seem to have any fault codes showing although i find it very hard to access the setup by holding the 2 buttons down.
Is there anything else I can change that could be causing this eratic behaviour?

cheers

Title: Re: climate control has mind of own
Post by Snoopy on Mar 4^th, 2007, 3:23pm

It sometimes take SEVERAL resets to get it it working correctly.
Worth doing and it may just be that the contact under the butons a bit oxidised and need using more!

Title: Re: climate control has mind of own
Post by jonnycab on Mar 4^th, 2007, 11:25pm

Was the new front panel secondhand?.....If so, then it is probably that..

There aren't many perfectly working secondhand front panels about anymore, as they're all getting pretty old now ;)

You could try some contact cleaning spray in the pots :)

Title: Re: climate control has mind of own
Post by Jim on Mar 5^th, 2007, 10:57pm

Could be the satc module at the other end of the ribbon cable for the front panel. It may just be that the ribbon cable isn't correctly located.
Jim

Title: Re: climate control has mind of own
Post by kand on Mar 7^th, 2007, 12:50pm

ok guys thanks for the replies,will investigate further

yes front panel 2nd hand exact problem,coincidence?

cheers

Title: Re: climate control has mind of own
Post by Daven on Mar 7^th, 2007, 2:41pm

Agree with Jim on this one - just had similar on mine, but when CC is on AC would come on or the compressor would engage on its' own (without the light coming on) Changed the SATC modual and it appears to be better!

Dave