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Toyota Highlander Heating Ventilation and Air Conditioning

107 messages,  Last post on Nov 16, 2009 at 5:13 PM

You are in the Toyota Highlander Forum. Your Hosts are steve_ & tidester

What is this discussion about? Toyota Highlander, SUV


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#8 of 107
Highlander manual heater swap to Auto climate control help by slimes
Dec 31, 2006 (12:07 am)
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Hi,
 
I have a 2003 v6 Highlander 4WD. It has the manual 3 knob controls for the heater. I am looking to switch it to an Automatic Climate control. Can this be possible? If so what do I need to get this done? Someone told me that the wiring is different.
#9 of 107
Re: Highlander manual heater swap to Auto climate control help [slimes] by wconnors1
Mar 30, 2007 (10:13 am)
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Replying to: slimes (Dec 31, 2006 12:07 am)

Hi Slimes,
 
Was checking the forum and noticed your question. I know it was Dec 31 when you posted, but have you done anything with this. I too, was considering changing to Automatic Climate Control in my 01 Highlander. Were you able to accomplish this or is the wiring indeed different? I already have a replacement panel. Thanks,
 
wconnors
#10 of 107
Me too by donivanf
Oct 11, 2007 (10:12 am)
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I'd like to also convert my '05 Highlander from manual to automatic climate control. I pulled the controls out last night and was able to match the main plug with a photo from an automatic climate control from an '04 Highlander. However I do not see a plug for the fan switch control, and I'm afraid there might be some electronics involved here. I bought it anyway, and am going to try. I may have to get the wiring diagram book ($$$) but it's a start... I'll post back if I have any success.
#11 of 107
Re: Me too [donivanf] by phrosut
Oct 11, 2007 (10:45 am)
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Replying to: donivanf (Oct 11, 2007 10:12 am)

I already have the auto climate control but I wanted to mention that the complete service manuals on CD I found on eBay for ~10 or 15 bucks if I remember right (I bought them when I bought our '03 HL in 10/02).
 
Phil
#12 of 107
2003 Highlander no cabin heat by 1rodger
Oct 22, 2007 (1:19 pm)
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I have a Toyota Highlander that doesn't provide heat for the cabin. The engine temp gauge is normal, but I'm getting cold ambient air from the vents. I have been using the A/C lately but tried heat today due to a cold snap. Is there some system that bypasses hot water from the cabin? My wife was driving and she heard a "pop" and remarked that the car never warmed up, I drove it this morning and there was no heat in the cabin. The coolant level is normal. The thermostat must be working or the car would overheat if stuck closed, or over cool if stuck open.
#13 of 107
Re: 2003 Highlander no cabin heat [1rodger] by derekgaddy
Oct 26, 2007 (5:20 pm)
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Replying to: 1rodger (Oct 22, 2007 1:19 pm)

I have a similar problem. I have electronic climate control and I only get hot air if my controls are above 77 degrees or so. Any idea what the problem is? I hate to go to the stealership. Help!!
#15 of 107
Windshield defogger problem by teresa72kcb
Nov 25, 2007 (10:49 am)
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2001 Toyota Highlander - instrument panel lights for clock, AC, air intake won't light up. When heater-defogger is turned on, hot air blows out air conditioning vents, but no warm air comes out windshield vents. Makes for very dangerous driving conditions in cold, wet weather. Help!
#16 of 107
Re: Toyota Highlander A/C problems [alleycat7] by disneymom3
Jan 17, 2008 (9:43 am)
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Replying to: alleycat7 (Sep 18, 2007 2:55 pm)

I have an 05 highlander that I bought new and I am having that trouble right now, however mine has now stopped working on the heat side. Guess what, it's the control panel and it is going to cost $740.00 for the part alone. Go get yours fixed right now if it is under warranty.
 
I am trading mine in asap for something else. With the other problems that I have had, I will not be getting another Toyota.
#17 of 107
EZ Airconditioner fix by cpiper
Mar 08, 2008 (5:51 am)
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The other day, the A/C started blowing hot air and the A/C wouldn't work. Another $600 bill I thought... A friend recommended a small garage so I took it there. The mechanic checked the temp. of the A/C pipe in the engine compartment and found it was cold. He pulled off the large dial..the one going from hot to cold... and found that the switch behind it was loose and on hot air. He tightened it up and the A/C engaged.
Cost:0$ but a $20 tip!

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