LX 450- need help on Climate control temp control panel (1 Viewer)

Joined
Jul 20, 2019
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America
Hey guys, my climate control is acting up. The OFF button does not work, so I either have A/C on all the time or heat. Its only controlled by the temperature slide--meaning if I slide all the way to left (cold) A/C is on high; If I slide all the way to right toward hot--the heat is on. Also, i cannot turn off the A/C button and the off button does not work at all. I sourced a used control panel on fleabay (96-97 Lexus LX450 UZJ80 Heater AC Heater Climate Temperature Control Panel 9350 | eBay - https://www.ebay.com/itm/96-97-Lexus-LX450-UZJ80-Heater-AC-Heater-Climate-Temperature-Control-Panel-9350/363306002188?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2763.l2648), but am wondering if there are other options. I worry that my A/C is basically on all the time and aside from gas mileage, it will burn out the condenser at some point.

Any suggestions? If I should replace my unit, how difficult is it to pull mine out and put a new on in? Mine has the fake wood trip around as well. Thanks!
 

jbee

Thank God for the deserts
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May 18, 2011
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889
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Gilbert, AZ
It’s not hard to pull that module out, it just has a few wire harnesses on the back. You can tell by the new one where the wires plug-in. I have been lucky buying eBay units and having them work.
The LX 450 system is a little more complicated than the Land Cruiser one, there is an air conditioning amplifier and it has a temp sensor I think that goes through a little white tube in the back, lots of threads and images if you search.
Here’s one: AC electrical problems
 
Joined
Jul 20, 2019
Messages
29
Location
America
It’s not hard to pull that module out, it just has a few wire harnesses on the back. You can tell by the new one where the wires plug-in. I have been lucky buying eBay units and having them work.
The LX 450 system is a little more complicated than the Land Cruiser one, there is an air conditioning amplifier and it has a temp sensor I think that goes through a little white tube in the back, lots of threads and images if you search.
Here’s one: AC electrical problems
Thanks a lot JBEE-sorry its taken me a couple of days to respond. I purchased that ebay item and it just arrived. Will give this a try. Take care!
 
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Jul 17, 2018
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KN4YJE LUGOFF, SC
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The Temp censor is behind the little grill boxed out in red.
Don't forget to blow the dust bunnies out of it.
 

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