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#1 |
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Member
Join Date: Feb 2010
Location: Ireland
Posts: 99
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I've always wondered what this lump is for on the dash
![]() Should I bring the car to the doctor for a biopsy
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Frustrated owner of a 2004 1.6Hdi 407 |
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#2 |
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Senior Member
Join Date: Nov 2011
Posts: 211
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Is it the light sensor for the auto headlights?
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#3 |
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Senior Member
Join Date: Feb 2011
Location: PLYMOUTH,DEVON
Posts: 535
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no is is brightness sensor for aircondition
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407 1.6 HDI FAP 110 PP OWNER PLYMOUTH
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#4 |
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Member
Join Date: Feb 2010
Location: Ireland
Posts: 99
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I don't have auto lights.
Why would the aircon need a brightness sensor??
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Frustrated owner of a 2004 1.6Hdi 407 |
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#5 |
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Senior Member
Join Date: Jul 2011
Posts: 831
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Its as magma said. It needs it for auto aircon to know the position of the sun and intensity, so it can redirect the area where you will feel hottest
Pretty smart thing i love how it works.
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#6 |
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Senior Member
Join Date: Nov 2011
Posts: 211
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Sounds like another one of those 'fault waiting to happen' additions
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#7 |
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Senior Member
Join Date: Feb 2011
Location: PLYMOUTH,DEVON
Posts: 535
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i newer heard about faults this sensor
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407 1.6 HDI FAP 110 PP OWNER PLYMOUTH
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#8 |
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Member
Join Date: Feb 2010
Location: Ireland
Posts: 99
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Can't say I have a problem with it, just wondered what it was.
The only problem I have with my aircon is that it stops working every now and again and won't heat up. Fan works ok just no heat. If it doesn't work on the way to work, it usually works on the return trip, annoying but no biggie.
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Frustrated owner of a 2004 1.6Hdi 407 |
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#9 |
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Senior Member
Join Date: Sep 2010
Location: St Austell, Cornwall
Posts: 2,969
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So where is this sensor? I too thought that dome was for the auto headlights? or does it do both?
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407SW 2.0HDI 136 SE 2005 ex. 306 2.0HDI 90 (x2) |
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#10 |
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Senior Member
Join Date: Oct 2011
Location: Cotswolds Glos. UK
Posts: 304
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Sensor for wipers / lights should be behind drivers mirror??
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308 SE 1.6 Petrol 140 bhp Turbo , Automatic !! |
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