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Author Topic: Cabin fan/Outside temp sensor  (Read 2993 times)

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star_whites

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Cabin fan/Outside temp sensor
« on: 01 March 2010, 22:08:31 »
Ok, I have again had the loss of heat into the cabin today however this time with the fans locked on almost full. I pulled over and reset fans which appeared to work, however it was the same again after being parked up.

I reset them again and drove about 10 miles and it was ok, but as I clicked throught the trip computer I noticed the outside temp was blank. I tried to reset this and it was still blank. After stopping for fuel it remained the same. Could this be related???

Why do my cabin heater keep blowing cold but is easy to reset???

Any clues anyone?
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Bumbazor

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Re: Cabin fan/Outside temp sensor
« Reply #1 on: 01 March 2010, 22:26:26 »
I have heard the AC doesn't kick in below a certain external temperature so that seems to link the external sensor and operation of CC somehow. I could be wrong though.
If the extenral temp sensor is knackered, it therefore might interfere with the otherwise correct operation of the cabin temperature controls.
Need someone to confirm thought but I can see a reasonably deduced link between the two.
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To do: Replace brake discs and pads; adjust already replaced shoes; check for leaks in oil cooler, cambelt area, crank seals, sump, dipstick; replace osf door; replace a tyre; clean, MOT.

Andy B

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Re: Cabin fan/Outside temp sensor
« Reply #2 on: 01 March 2010, 22:48:09 »
Quote
I ......
If the extenral temp sensor is knackered, it therefore might interfere with the otherwise correct operation of the cabin temperature controls.
Need someone to confirm thought but I can see a reasonably deduced link between the two.

The two are separate on PREface lift cars, but the outside sensor does have a bearing on cabin temp on facelift cars.  :y
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star_whites

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Re: Cabin fan/Outside temp sensor
« Reply #3 on: 01 March 2010, 22:54:41 »
well mine is a 99 with full electric climate!
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Andy B

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Re: Cabin fan/Outside temp sensor
« Reply #4 on: 01 March 2010, 22:59:29 »
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well mine is a 99 with full electric climate!

a prefacelift car. the two are separate 
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star_whites

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Re: Cabin fan/Outside temp sensor
« Reply #5 on: 02 March 2010, 08:03:06 »
Ok, so what would cause the interior climate control to go daft then??

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star_whites

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Re: Cabin fan/Outside temp sensor
« Reply #6 on: 03 March 2010, 19:34:23 »
Ok, well after a couple of days of driving Ive come to the conclusion that my interior climate is affected by the exterior temp sensor because when the ex sensor dont work the interior goes scatty and when it does work the interior is fine. So looks like I need a new exterior sensor.  ::)
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covey

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Re: Cabin fan/Outside temp sensor
« Reply #7 on: 09 March 2010, 12:01:49 »
I have a 2001 "Y" 2.2 CD and I am having problems post the snow with my heating.  System flushed OK and get heat sometimes but other times only cold.

Where exactly is the outside temp sensor located?  I have heard "somewhere near the nearside fog light" but that kind of sounds like a guess and not someone who could actually point to it!!
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Andy B

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Re: Cabin fan/Outside temp sensor
« Reply #8 on: 09 March 2010, 12:12:17 »
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I have a 2001 "Y" 2.2 CD and I am having problems post the snow with my heating.  System flushed OK and get heat sometimes but other times only cold.

Where exactly is the outside temp sensor located?  I have heard "somewhere near the nearside fog light" but that kind of sounds like a guess and not someone who could actually point to it!!

Yours is a facelift car, so it's right in the middle of the bumper quite obvious when you open your bonnet & look down.
The "somewhere near the nearside fog light" would be obvious too if you had a PREfacelift car ..... it would be the only thing fastened to your bumper in that vicinity.  :y

I can't point to it ..... I'm not there!  ;)  ;)
« Last Edit: 09 March 2010, 12:13:20 by Andy_B »
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covey

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Re: Cabin fan/Outside temp sensor
« Reply #9 on: 09 March 2010, 12:19:24 »
Many thanks!!  This afternoons jobs marked out then.
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Andy B

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Re: Cabin fan/Outside temp sensor
« Reply #10 on: 09 March 2010, 12:50:35 »
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Many thanks!!  This afternoons jobs marked out then.

I'm sure you manage to squeeze another job in.  ::) It'll only take you a few minutes to chnage the temp sensor.  ;D  ;D  ;D
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star_whites

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Re: Cabin fan/Outside temp sensor
« Reply #11 on: 09 March 2010, 20:28:16 »
Well Andy if its that easy to see I must be blind  ;D

Ive been outside for 30 minutes looking for it to change and can I hell as like find it.

U sure its directly behind the grill??
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RobG

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Re: Cabin fan/Outside temp sensor
« Reply #12 on: 09 March 2010, 20:35:22 »
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Well Andy if its that easy to see I must be blind  ;D

Ive been outside for 30 minutes looking for it to change and can I hell as like find it.

U sure its directly behind the grill??[/quote]
Facelift, yes. Pre-facelift, passenger side behind bumper
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star_whites

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Re: Cabin fan/Outside temp sensor
« Reply #13 on: 09 March 2010, 20:40:47 »
No wonder I couldnt find it then. Does the bumber have to be removed or is it accesable without??
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Andy B

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Re: Cabin fan/Outside temp sensor
« Reply #14 on: 09 March 2010, 20:41:42 »
Quote
Well Andy if its that easy to see I must be blind  ;D

Ive been outside for 30 minutes looking for it to change and can I hell as like find it.

U sure its directly behind the grill??

I said ... look down!  ;)  ;)  ;) Later cars still have the sensor attched to the bumper, but it's in the middle, not at the side like on a earlier car.  :y :y
Bumper can stay put!  ;)
« Last Edit: 09 March 2010, 20:42:21 by Andy_B »
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