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Thermostat ? Something else ? (ZZE123/Corolla Sportivo Climate Control Unit)

mpgioia
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mpgioia Advancing

mpgioia

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Posted

So, all the knobs and button presses were getting worse and worse to depress and enact the function on the assembly in my ZZE123.. God knows if it was the buttons soldered on the board that have warped with temperature fluctuations in Melbourne or the exterior knobs that rockered onto the buttons on the board.
But I got a new board from the wreckers and it's sweet now.. Button depresses enact the function.. I have to hardly enact any pressure.. it's like new.... But ! .. since.. I'm pretty sure i've never seen the computer register up to 31 deg centigrade and then a final additional unit push up on increasing temp would register "HOT" at that point.. I feel like it registered "MAX" as a string instead prior.. instead of "HOT" ... and also after something like 27 deg centigrade.. instead of 31 .. I swear it's changed.. and .. on that note.. the heater only kicks in at like after 29 deg centigrade.. something's different.

https://www.megazip.net/zapchasti-dlya-avtomobilej/toyota/corolla-runx-allex-42434/zze123-54125/zze123-bhfqf-904039/heating-air-conditioning-control-air-duct-17679215
This is what i'm talking about ☝️.

Wondering.. if the wreckers screwed up and gave me one from a different make/model Corolla..

And if purchasing either this 👉https://www.megazip.net/zapchasti-dlya-avtomobilej/toyota/corolla-runx-allex-42434/zze123-54125/zze123-bhfqf-904039/heating-air-conditioning-control-air-duct-17679215#/il-410154353-3979513-3979513 or this 👉https://www.megazip.net/zapchasti-dlya-avtomobilej/toyota/corolla-runx-allex-42434/zze123-54125/zze123-bhfqf-904039/heating-air-conditioning-control-air-duct-17679215#/il-410154357-3983447-3983447 would resolve this.. It's going to be one or the other.. it's the only computational/circuit/logic part of the assembly .. everything else wouldn't pertain to fixing this issue.

Or more to the point.. anyone else out there got a Corolla Sportivo/ZZE123 and can confirm as you press TEMP UP .. what deg centigrade it registers before recording "MAX" or "HOT".. and to the point .. is it indeed "MAX" or "HOT" string.. I can't remember... it would be good to cross-reference. I have a 2005 model.. so it needs to be a ZZE123 between years 2001 and 2006.

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  • 1 year later...

Splashon Member

Splashon

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Posted

Hi, I have a 2005 corolla sportivo .

I have a problem with the lower centre cluster of my dash board, which includes all aircon buttons . They don't operate when pressed. "Mode", Temp up, down , "fan", everything. I'm going to disassemble it to rectify soon. Hopefully find a solution.

I'll update when I have finished

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