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Join Date: Dec 2002
Location: Redondo Beach, CA
Posts: 542
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Fan on the back of the ashtray?
What the heck is the little fan located near the back of the ashtray in my 89 930? I looked briefly in PET and couldn't find it off hand. It runs when the ignition is on and it's very small and quiet.
I never even noticed it but today I was reaching around under there while trying to locate a rattle and I felt the blades spinning. It's a bit like a squirell-cage and appears factory.
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-Todd '89 930, '97 TLC (Toyota Land Cruiser), '96 T-100pick-em-up '95 BMW R100 GSPD (gone but not forgotten), '07 BMW R1200GSA |
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01-27-2005, 01:11 PM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,493
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If you look just to the right of your steering wheel, on the dash, you will see a small rubber, black slotted, inlet. That little fan is part of the automatic climate control. It sucks in air from the inlet to determine the temperature in the cabin.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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01-27-2005, 01:22 PM
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Location: Redondo Beach, CA
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Well...
I thought that initially but dismissed it as to complex for the otherwise archaic climate control(s)... Lo and behold, the climate controls in this car really ARE the most over and under engineered on the planet... Thanks!
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-Todd '89 930, '97 TLC (Toyota Land Cruiser), '96 T-100pick-em-up '95 BMW R100 GSPD (gone but not forgotten), '07 BMW R1200GSA |
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01-27-2005, 01:32 PM
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Join Date: Dec 2003
Location: MS.
Posts: 2,322
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Yes, that is part of the ambient air sensor system. It sucks air in to "test" the climate in order to make any changes it thinks needs to be done.
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01-27-2005, 07:12 PM
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Join Date: Mar 2004
Location: Los Angeles
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Changes, what changes?
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01-27-2005, 11:31 PM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,493
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Quote:
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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01-28-2005, 05:24 AM
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Join Date: Dec 2002
Location: Redondo Beach, CA
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That's kind of an intersting question though. It doesn't control dash fan speed...does it work with the automatic heater system? How about the AC system?
Maybe it's time to get out the wiring diagram...
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-Todd '89 930, '97 TLC (Toyota Land Cruiser), '96 T-100pick-em-up '95 BMW R100 GSPD (gone but not forgotten), '07 BMW R1200GSA |
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01-28-2005, 07:38 AM
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Join Date: Sep 2004
Location: London UK
Posts: 690
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As I understand it is a sensor to regulate the temperature of the cabin based on the setting of the dial between the seats but it will only affect the hot air and not the cool
AC is a seperate system
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'89 3.2/3.6 coupe |
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01-28-2005, 08:25 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,493
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Quote:
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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01-28-2005, 09:45 AM
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Location: Redondo Beach, CA
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Interesting. Never really pad it much attention but I can't see where any would ever set the factory heat above the 2 setting (goes up to 10) unless they're trying to cook thanksgiving dinner in the passenger seat. It gets FREAKING HOT at 2!
All that work for 'auto' climate control. Man, the early age of silicone was...well, painful.
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-Todd '89 930, '97 TLC (Toyota Land Cruiser), '96 T-100pick-em-up '95 BMW R100 GSPD (gone but not forgotten), '07 BMW R1200GSA |
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01-28-2005, 10:04 AM
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