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Vans & Minivans Toyota Sienna Toyota Sienna Heating / Cooling
93 messages, Last post on Nov 16, 2009 at 4:07 PM
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Replying to: bhlh (Dec 26, 2007 10:53 pm) Try yours with the air in the dash only, or feet only, position. |
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Replying to: wwest (Dec 29, 2007 2:47 pm) So if the driver's side solar radiation sensor has failed, is this something that I could purchase and change or am I subject to working with the dealer on this? I am out of warranty and irritated that when we took it to the dealer during the warranty pointing out the sound, they said they couldn't reproduce it. I appreciate your advice!
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I've taken my 2006 Sienna in 3 times in a month because I can't control the rear temp from the front. I can only control the fan speed. I have less than 20K miles, and have never had this issue before now. Any one had similar issues? The only way I can control the rear temp is to get in the back and adjust the control.
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Replying to: stephr (Jan 10, 2008 6:13 pm) |
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On my 2006 XLE Sienna the air coming from the front air vents remains hot until you switch the temperature down to lowest temperature. Once you set it to low, the A/C will run you out of the van. It you then bump the temperature up one notch, to 65, the air will turn hot again (while on A/C). This happens on both the drivers and passengers side of the van. I haven't checked the rear climate controls to see what happens in the back. This first happened while we were in Texas for Christmas and were going to take the van to dealership down their but it started working again. I figured it wouldn't be worth our time if it's working because they wouldn't be able to identify this issue. The issue has once again pop up it ugly head and our local dealership has being looking at for a day with on good solution. I'm just curious it anybody else has experience this type of issue and if so, what was one to resolve it. Thanks!
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Replying to: silvete1 (Jan 17, 2008 2:08 pm) The other possibility, although less likely, would be the OAT sensor being open and the system thinkng that the outside world is extremely cold. If you have an outside temperature indicator you can verify the OAT sensor that way. The OAT sensor is usually mounted behind the front bumber but in front of the radiator/condensor stack.
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Replying to: wwest (Jan 18, 2008 5:51 pm) |
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Hi, the rear heat in my Sienna will only blow cold air. I have the manual control system, not the automatic air temp system. With the front fan speed selector on REAR, meaning all the rear system should be controlled by the rear control panel, and the rear temperature selector set to hot and the air flow selector on any of the three choices, I get cold air out of all the upper and lower vents. Has anyone else experienced this or does anyone have any ideas as to what is going on/how to address it? Thanks.
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The blower motor for the rear AC will not work. Since the rear heater blower works fine, I am thinking that the resistor is OK. It has been a while since I looked at the wiring diagram, but I remember that there was a relay that selected the ac or the heat blower for the rear. Does anyone know where this relay is located? The diagram did not give out that information. I am figuring that it is either the relay, wiring to the blower motor, or the blower motor itself. Are there any other things I should be considering? Now that spring is coming, it would be nice to get the ac working everywhere.  Thanks, Doug |
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