2002 ac blinking light problem-beware and help

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Old 14 Jun 2006, 08:15 pm   #1 (permalink)
Greg
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Default 2002 ac blinking light problem-beware and help

A while back I reported a problem with my ac not working. The light on
the control button would just flash but sometimes I could "trick" it
into working by flicking the fan off and on a number of times. I know,
that doesn't make any sense.
Eventually it stopped working totally so I took the car to the local
recommended ac repair shop. They told me the coil was gone in my ac
compressor and I would need a new compressor. I went to the dealership
and spoke with the tech who does the ac work and described the problem.
He wasn't aware of this kind of problem but it sounded to him like the
compressor might be bad.
So this week I had another compressor put on. Not the problem-ac still
doesn't work-dash light still is flashing. Now the repair shop
"thinks" it might be electrical. The dealership doesn't have a thought.
I'm planning to make an appointment at a local auto electric shop to
see if they can trace the problem.
I hate to keep throwing good money away. Does anybody have a suggestion
as to what I should have checked and a sensible order to follow?
It is interesting today that someone posted about a dash light problem
on a 2004 Camry in the area of the fan/ac etc.. I have exactly that
same problem and in fact I have often thought my ac problem is
electical in nature and possibly connected to those very switches
somehow.
Please take heed and don't jump too quickly at having your compressor
replaced-you may not need it.
Send me your suggestions please if you have any.
Thanks
Greg

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Old 15 Jun 2006, 06:27 am   #2 (permalink)
qslim
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Default Re: 2002 ac blinking light problem-beware and help

In article <1150334159.651824.122550@p79g2000cwp.googlegroups .com>,
"Greg" <mcbeagre@nbed.nb.ca> wrote:

> A while back I reported a problem with my ac not working. The light on
> the control button would just flash but sometimes I could "trick" it
> into working by flicking the fan off and on a number of times. I know,
> that doesn't make any sense.
> Eventually it stopped working totally so I took the car to the local
> recommended ac repair shop. They told me the coil was gone in my ac
> compressor and I would need a new compressor. I went to the dealership
> and spoke with the tech who does the ac work and described the problem.
> He wasn't aware of this kind of problem but it sounded to him like the
> compressor might be bad.
> So this week I had another compressor put on. Not the problem-ac still
> doesn't work-dash light still is flashing. Now the repair shop
> "thinks" it might be electrical. The dealership doesn't have a thought.
> I'm planning to make an appointment at a local auto electric shop to
> see if they can trace the problem.
> I hate to keep throwing good money away. Does anybody have a suggestion
> as to what I should have checked and a sensible order to follow?
> It is interesting today that someone posted about a dash light problem
> on a 2004 Camry in the area of the fan/ac etc.. I have exactly that
> same problem and in fact I have often thought my ac problem is
> electical in nature and possibly connected to those very switches
> somehow.
> Please take heed and don't jump too quickly at having your compressor
> replaced-you may not need it.
> Send me your suggestions please if you have any.
> Thanks
> Greg


Sounds like you had someone with no idea of how the system works take a
blind shot and throw a part at it. You need to find a competent tech
that understands how the system works. May be something as simple as a
pressure switch, but it needs to be effectively diagnosed. And the fact
that the dealer "doesn't have a thought" is totally unacceptable. If I
ever told a customer that I wasn't able to fix their car, I would find
myself in the service directors office REAL quick. Maybe a chat with the
service manager will ensure that you get your car looked at by someone
capable of actually diagnosing the system.

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Old 15 Jun 2006, 07:03 am   #3 (permalink)
m Ransley
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Default Re: 2002 ac blinking light problem-beware and help

I did not know compressors had coils, they dont. Your clue your mechanic
is a Hack was the dealer. Your Hack should fix it, but it should be
free, good luck on this.

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Old 15 Jun 2006, 03:47 pm   #4 (permalink)
davemac
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Default Re: 2002 ac blinking light problem-beware and help


m Ransley wrote:
> I did not know compressors had coils, they dont. Your clue your mechanic
> is a Hack was the dealer. Your Hack should fix it, but it should be
> free, good luck on this.


Well compressors have clutch coils, and I'm sure that is what they were
referring to, thinking that the clutch was sporadically engaging due to
a weak coil. The connectors on the clutch coil and pressure switches
should be checked for corrosion/looseness. Since they replaced the
compressor, I assume the problem is elsewhere like at a pressure switch
possibly, or it could even be the A/C console switch itself in the car
since you said you could 'fool' it by turning the interior fan on/off
which to me sounds like the console has a problem. If it turns out to
be the console, demand a pro-rated refund for the compressor.

dave mc

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Old 15 Jun 2006, 09:02 pm   #5 (permalink)
Greg
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Default Re: 2002 ac blinking light problem-beware and help


Thanks for your input everybody. The "situation" worsened today
possibly. I called the local auto electric place that was recommended
and spoke with the owner. I described the problem and he reluctantly
said he would look at it but made it very clear he would not devote
much time to it. He was not very positive. He said his shop got out of
ac work because of this very kind of problem-hard to solve and easy to
frustrate customers over.
Please understand in my neck of the woods there are very few ac repair
places and you can bet they mostly just recharge systems and fix leaks
etc..As I stated previously the tech at the local dealership indicated
the problem was one he has not encountered before and he gave no
indication that he knows what the problem might be. Someone suggested I
speak with the service manager and I've already done that-she had no
more info than my hubcaps. She gave me the toyota toll free #. I guess
I should call them????????
Anyway warm weather is coming. I hope I have cold ac to go along with
it.

Thanks again.
Greg

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Old 16 Jun 2006, 07:56 am   #6 (permalink)
BobT
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Default Re: 2002 ac blinking light problem-beware and help

On 14 Jun 2006 18:15:59 -0700, "Greg" <mcbeagre@nbed.nb.ca> wrote:

>A while back I reported a problem with my ac not working. The light on
>the control button would just flash but sometimes I could "trick" it
>into working by flicking the fan off and on a number of times. I know,
>that doesn't make any sense.


Last year, my 2002 Camry had a similar problem (exact same symptoms,
including blinking light and ability to sometimes get the darned thing
to work, at least for a while). Properly diagnosed by the dealer as a
bad relay, but no one in the area (Indio CA) had one in stock. Later
in my trip, after stops at several dealerships, I found one in stock
in Visalia, bought it (around $30) and just pulled the old one and
plugged in the new one (first dealer had shown me the location).
Everything still working fine.

I believe this was the relay that controlled the compressor clutch,
but I no longer have any notes, part number, etc., for it.

Before getrting to Visalia, it got pretty warm in Death Valley, but
that's the way the cookie crumbles.

Good luck.
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