Dreaded A/C Display Problems

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Q451990
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Well, Q2's climate control display has been intermittant for a few weeks now, but it's finally gotten to the point that it was more dead than alive. Then this afternoon the a/c stopped working, although the fan and vent positions worked fine. I haven't heard of this much before - has anyone else's failed where the controller wouldn't turn the compressor on??

I took the controller out and found that flexing the board inside will make the display come back, and the compressor would turn on again.

I tried isolating a cold solder joint, and re-soldered most everything on the board (just reheated the solder joints) but it didn't cure it. Has anyone had any success fixing one of these things long term?

I think I'm just going to send it to Jerry Tucker and not mess with it anymore unless someone here has a suggestion. At least I can borrow the one out of "Q1" for now.

Heath


ardvarkus
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I recall a post (I thought it was yahoo, but couldn't find it) where someone described what they did to fix it... I'd discovered the flexing thing, but never the full fix- I used Jerry Tucker. The fact that it affects the system operation (and not just the display is a bit of a new twist)

100 plus shipping las time I checked

A

maxnix
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Read http://www.nissaninfiniticlub....=6381 (includes dead link) and especially http://www.nissaninfiniticlub....d=271 .

HeavyDuty
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Q451990 wrote:Well, Q2's climate control display has been intermittant for a few weeks now, but it's finally gotten to the point that it was more dead than alive. Then this afternoon the a/c stopped working, although the fan and vent positions worked fine. I haven't heard of this much before - has anyone else's failed where the controller wouldn't turn the compressor on??Heath


Hey Heath,

Mine will do the intermittent non functioning as well. I posted a while back that it seemed to be when the ambient temp sensor was reading goofy (falsely reading -50deg, etc) it would not turn on the compressor.

I've also found that the unit is less likely to work when the entire system is turned off, then turned on. If I leave it on vent all the time & turn the a/c on when needed, it cranks right up without the gremlins, so I leave it on vent all the time. If for some reason I have to turn it off, when I turn the vent back on and drive a couple of cycles (drive, shut down, return later) it will be ok.

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Q451990
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Does anyone know if the 94-96 units will plug up to the 90-93 connectors? I know they don't bolt up the same way, but if it'll plug in I'd think about giving it a try and modifying the case to work...

Also, when did Infiniti fix the controller display problem?

Heath

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elwesso
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Heath. I am free this weekend so I will take a picture of my climate control for you.....

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Jesda
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It is my understanding that the 94-96 units use different connectors and the electronics are a bit different as well, causing compatibility issues.

Something I recall from a previous post, but dont know the specifics of.

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My display turns on after I hit the right side of the console, after Jerry Tucker "fixed" it of course. Maybe try that - when mine goes blank everything shuts off. If I remember correctly it was Greg Atlanta who fixed his own display. (where has he been???)

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elwesso
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I agree with squee...

Occasionally (only had it happen thrice), the display on my headunit goes out, stereo works but the display doesnt. 2 taps and its back on...


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