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HELP!! My A/C is blowing HOT after install!

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Old Apr 11, 2007 | 06:16 PM
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Exclamation HELP!! My A/C is blowing HOT after install!

well... i just completed my install with a Pioneer DEH-980BT (hands free bluetooth), an avic 9 Pioneer Navi/DVD, farenheit screen, Pioneer TV Tuner, and auto-switch rear-view camera.

I like it but now my air conditioner will not work. did a search, but only found someone saying their cabin sensor needed to be replaced. if this is correct, where and how $much$ do i get one and install it? i already had a diagnostician-- tell me that my compressor is not recieving a signal but it works, and the freon is charged fully. i dont even know where the sensor is located.
any help would be appreciated.

my pictures are too big..anyone know a good resizing program for uploading pictures?
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Old Apr 11, 2007 | 08:57 PM
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here are some pics of the tv and nav...
Attached Thumbnails HELP!! My A/C is blowing HOT after install!-dsc03417-320x200-.jpg   HELP!! My A/C is blowing HOT after install!-dsc03416-320x200-.jpg  
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Old Apr 11, 2007 | 10:04 PM
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i have that same headunit, but its not the premier, its just the pioneer. u might just want to check if all the ac connections were put back properly. maybe a pin in the ac plug got bent or something. im not a electronic genius or whatever so i dont know exactly, but i hope this helps some.
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Old Apr 11, 2007 | 10:07 PM
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your system could be heating up and check the wires and ac
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Old Apr 11, 2007 | 11:32 PM
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Originally Posted by tobin
well... i just completed my install with a Pioneer DEH-980BT (hands free bluetooth), an avic 9 Pioneer Navi/DVD, farenheit screen, Pioneer TV Tuner, and auto-switch rear-view camera.

I like it but now my air conditioner will not work. did a search, but only found someone saying their cabin sensor needed to be replaced. if this is correct, where and how $much$ do i get one and install it? i already had a diagnostician-- tell me that my compressor is not recieving a signal but it works, and the freon is charged fully. i dont even know where the sensor is located.
any help would be appreciated.

my pictures are too big..anyone know a good resizing program for uploading pictures?

Have you checked the white ribbon cable?

Verify that it is connected to the back of the A/C controls.
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Old Apr 12, 2007 | 12:32 AM
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the g35 has a sensor on the panel located underneath the steering wheel. i dunno if the 350z has the same thing.

but if that gets reconnected, than everything will work.

my problem existed where the A/C only kicked on when i have it set at the lowest temp. anything else and i get hot air.
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Old Apr 12, 2007 | 01:02 AM
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you probably killed the connector/cables to your A/C controller while putting in the new headunit
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Old Apr 12, 2007 | 03:05 AM
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I'm with aemjr...check the white ribbon cable behind your A/C controls. that is a very fragile cable with pins that bend very easily....Let us know how its going...
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Old Apr 12, 2007 | 04:57 AM
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ok i will check that ribbon cable right now..
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Old Apr 12, 2007 | 06:00 AM
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well i reconnected it and straightened it out as best i could...and it blows cooler air, but not cold--i guess this ribbon must be the problem. looks like ill place an order for it. thanks guys
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Old Apr 12, 2007 | 10:20 AM
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I had the same problem like mentioned above where if the temp wasnt set to the lowest temp, it would blow warm to hot air. There is a small white connector under the steering wheel to the right that my installer forgot to connect back. that was my problem. Im NOT refering to the white ribbon cable that attached to the actual white ac box thing in the dash. Make sure to check that out.
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Old Apr 19, 2007 | 09:53 PM
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I have an intermittent problem with my a/c blowing hot air. It happens when set to 'Auto', but when it does start blowing hot air I have to switch to manual and cool air starts blowing again. I've had this problem before and told the dealer, but the problem would never come up when they checked it so nothing was done about it. Could this be a cabin sensor problem?
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Old Apr 19, 2007 | 10:01 PM
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Originally Posted by gunnerz
I have an intermittent problem with my a/c blowing hot air. It happens when set to 'Auto', but when it does start blowing hot air I have to switch to manual and cool air starts blowing again. I've had this problem before and told the dealer, but the problem would never come up when they checked it so nothing was done about it. Could this be a cabin sensor problem?
that happened to me, i unplugged the cabin sensor and put i back and it never happened again.
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Old Apr 19, 2007 | 10:49 PM
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Originally Posted by kuo246
that happened to me, i unplugged the cabin sensor and put i back and it never happened again.
Where is the cabin sensor?
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Old Apr 19, 2007 | 11:01 PM
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Originally Posted by tobin
well i reconnected it and straightened it out as best i could...and it blows cooler air, but not cold--i guess this ribbon must be the problem. looks like ill place an order for it. thanks guys
Before you do that see if a fellow member local to you will let you use their control module and see if that is the problem. Maybe reset the ecu first then try yours. If that doesnt work do what I suggested. When all else fails order the part.
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Old Apr 20, 2007 | 12:05 AM
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I had the same problem like mentioned above where if the temp wasnt set to the lowest temp, it would blow warm to hot air. There is a small white connector under the steering wheel to the right that my installer forgot to connect back. that was my problem. Im NOT refering to the white ribbon cable that attached to the actual white ac box thing in the dash. Make sure to check that out.
this is exactly the problem I had.
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Old Apr 20, 2007 | 08:20 PM
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Originally Posted by tobin
well i reconnected it and straightened it out as best i could...and it blows cooler air, but not cold--i guess this ribbon must be the problem. looks like ill place an order for it. thanks guys

Do you know where you can get a ribbon or module?
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Old Apr 24, 2007 | 09:19 AM
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nothing seems to be working...how do you reset the ecu?
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Old Apr 24, 2007 | 12:15 PM
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Nice job on the install... if it's any consolation.
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Old Apr 24, 2007 | 03:41 PM
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thanks! it is... except when it gets hot!
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