Re: IML: 90-93 a/c-heat damper vent doors Not working properly

[Nat Hall <nathall@xxxxxxxx>]

Anthony,

Is your Imperial with this problem a '93?

As Alan indicated, code 19 is unfamiliar to me, as well.

I've never dealt with the '93s and I had assumed that all the late '80s and
early '90s Chrysler cars with this system used the same codes. It's
conceivable the codes were revised, or added to, in 1993. I know the codes
were basically the same at least through 1990 or 91. Anyone with a 1993 FSM
that could look into this?

David,

Code 10 is most definitely the power/vaccum module. First do as Alan
suggests and resume testing with PANEL. Make sure you don't have any other
error codes.

Before you replace the power/vaccum module there are some electrical tests
you need to perform on the "head" ATC unit. Also check wiring from unit to
module. I've found that it's not uncommon for the computers in these ATC
units to fail to some degree and give false error codes. The units
themselves are relatively easy to remove and test. If your problem *is* in
the ATC itself, it's a mixed blessing. Replacement is easy. Far easier than
replacing any other component in the system. Finding a new one can be
expensive. Chrysler wanted $650.00 for these in 2004. I can't imagine
they've dropped the price much since then. After hearing the price the
parts house wanted for it, I went to my local yard and pulled one from a
wrecked New Yorker for $5. It's worked like a dream for the past two years.
Earlier this year I was at the yard for something else and noticed a bunch
of cars there had the unit so I harvested a couple just "in case".

>      My FSM for 90 has no code 19, It just has codes 1-18  maybe Nat can
>help --
>Alan Jordan
>90 IMP
>75 LeBaron
>
>
>-------------- Original message from "anthony romano" <mamrom@xxxxxxx>:
>--------------
>
>
>> Nat, I received a code #19. Can you let me know if it's the Mode door or
>> Actuator motor that you referred to? -Anthony
>>
>>
>> ----- Original Message -----
>> From: "Nat Hall"
>> To:
>> Sent: Tuesday, September 12, 2006 10:47 PM
>> Subject: Re: IML: 90-93 a/c-heat damper vent doors Not working properly
>>
>>
>> > > So Alan, since your so proficient in dealing with this problem- when
>> > >will you'll be fixing it for me?? Ha! HA! -Thanks for the info.. I think
>> > >I'll be getting to it real soon. How much does the Mode door cost?
>> > >-Anthony
>> > >
>> >
>> > Anthony,
>> >
>> >  Before you go out and buy a new Mode Door I would verify it is in
>>fact the
>> > door itself that is "binding" for one reason or another.
>> >
>> > I have a 1987 New Yorker which has a similar system. I am not sure,
>>but it
>> > may in fact be identical to the 90-93 Imperials. Even if it isn't, it's
>> the
>> > same theoretical design. Electronically controlled temp and mode doors
>> > driven by actuator motors prompted by the digital in-dash "head" unit.
>> >
>> > In my case, the problem turned out to be the actuator motor and not the
>> > door. In the New Yorker at least, the motor itself is far easier to
>> replace
>> > than the door itself. YMMV with the Imperial. However, even getting to
>>the
>> > motor itself is a whole LOT of NO FUN. I can't imagine had I needed to
>> > replace the door itself. Alan is making no exaggerations here.
>> >
>> >  Your first step should be to run the self-test Alan referred to. Post
>>back
>> > if you get any error codes. I can decipher most of the error codes for
>> you.
>> > Good luck
>> >
>> >
>> > -------------------
>> > Nat Hall
>> > 1982 Imperial Coupe
>> > 1987 Chrysler New Yorker
>> > -------------------
>> >
>> >
>> >
>> >
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>>
>>
>>
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>
>



-------------------
Nat Hall
1982 Imperial Coupe
1987 Chrysler New Yorker
-------------------




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