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2009 Nissan Maxima SV Air Conditioning Mode Question

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Old 01-18-2019, 07:04 AM
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2009 Nissan Maxima SV Air Conditioning Mode Question

Yesterday I replaced the blower motor in my car and all works well but I can't seem to remember that if when the AC is set to Auto if the mode for which vents the air comes out of can be set to bottom and top. At the moment when I set the AC to Auto the air can only come out the bottom vents. If I switch mode to top and bottom the AC automatically goes into Manual mode. I don't remember this behavior in the past so if anyone can confirm this is normal let me know!
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Old 01-18-2019, 07:55 AM
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In AUTO mode, you only control the temp, not the vents. Once you select either a fan speed, or vent selection, it goes into manual mode.
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Old 01-18-2019, 08:16 AM
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Originally Posted by QueefKing
Yesterday I replaced the blower motor in my car and all works well but I can't seem to remember that if when the AC is set to Auto if the mode for which vents the air comes out of can be set to bottom and top. At the moment when I set the AC to Auto the air can only come out the bottom vents. If I switch mode to top and bottom the AC automatically goes into Manual mode. I don't remember this behavior in the past so if anyone can confirm this is normal let me know!
Depends on the temp that is set...warm air should default to the floor vents, and the system should default cooler air to the upper vents.
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Old 01-18-2019, 08:26 AM
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Thanks for the replies guys. I guess I didn't mess anything up after all.
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Old 01-18-2019, 08:50 AM
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A side question please: does manual mode (no light on A/C button) still mean the A/C compressor is on?
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Old 01-18-2019, 12:05 PM
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No, if the light isn't on (unless it is burnt out) the AC is not on either.
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Old 01-18-2019, 12:12 PM
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Originally Posted by LtLeary
No, if the light isn't on (unless it is burnt out) the AC is not on either.
That exactly answers my question. Light works if I push it on.
Thanks.
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Old 01-24-2019, 01:11 PM
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If yu don’t mind me asking how did you go about doing your blower motor replacement am needing to do so but not sure how to tackle this
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Old 01-24-2019, 01:41 PM
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Originally Posted by Ryan Callaway
If yu don’t mind me asking how did you go about doing your blower motor replacement am needing to do so but not sure how to tackle this
It's a real easy fix. Basically you remove the glove box (8 screws), and then the small side panel that is between the glove box and passenger door. Then you remove the harness and screws from the blower motor, install new one and put everything back. I did it all during my lunch break with time to spare.


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Old 01-24-2019, 03:34 PM
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Originally Posted by QueefKing
It's a real easy fix. Basically you remove the glove box (8 screws), and then the small side panel that is between the glove box and passenger door. Then you remove the harness and screws from the blower motor, install new one and put everything back. I did it all during my lunch break with time to spare.

thank you sir much appreciated
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