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motolite
Member Since: 18 Mar 2013
Location: Sydney
Posts: 931
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| A/C blowing hot and cold at same time. The answer |
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Hi all,
scenario, leave garage and switch a/c on with both front controls set at 22. 300m up the road and drivers is blowing really cold air while passenger is blowing warm. It will eventually sort itself out after 8-10km.
Are there 2 different sensors in the cabin detecting if one is in sun and the other in shade? I'm clutching at straws and trying to avoid a trip to the dealer.
OK, just back from dealer. they found the system was over-gassed. All sorted they said…NOT. 2 km's up the road and same problem. Back to dealers next Monday for round 2. 
Just back from the dealers and it appears ops are normal.It's actually blowing cool and cold due to there being a sun sensor under the grill on top of the dash. This sensor can determine if one side is more in sun than the other and adjust the flow of air accordingly. The tech said that the software was downloaded from the car sent to JLR and they said it's all normal.
Last edited by motolite on 25th Nov 2013 4:16 am. Edited 2 times in total
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 6th Nov 2013 9:56 pm |
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northernmonkeyjones
Member Since: 11 Feb 2013
Location: Derby
Posts: 64
 
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If its anything like the system in the ffrr then there are 2 valves in the engine bay which control the flow of water to the 2 heater matricees. If its the same type of system its possible one is sticking
Just and idea.
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| 7th Nov 2013 6:44 pm |
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caverD3
Member Since: 02 Jul 2006
Location: Oberon, NSW
Posts: 6922
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There is a reset procedure for the AC. Do a search.  “There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely gamesâ€
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System.
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| 8th Nov 2013 12:31 am |
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motolite
Member Since: 18 Mar 2013
Location: Sydney
Posts: 931
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thanks. found it for a D3, but not a D4  another hint please.
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| 8th Nov 2013 2:26 am |
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caverD3
Member Since: 02 Jul 2006
Location: Oberon, NSW
Posts: 6922
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Did you try it on the D4? “There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely gamesâ€
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System.
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| 8th Nov 2013 3:50 am |
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motolite
Member Since: 18 Mar 2013
Location: Sydney
Posts: 931
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still looking for the 'econ' button?
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| 8th Nov 2013 5:25 am |
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chopcat
Member Since: 08 Apr 2013
Location: Pembrokeshire
Posts: 481
 
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likewise here can anyone expand upon which buttons for the D4 please
CC may the odds be ever in your favor
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| 8th Nov 2013 6:44 am |
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