Hello.
I have an 2004 Audi A3 3-door (8p0), and lately I've been having problems with both of the radiator fans. "Problems" as in not working at all.
The A/C was warm and a garage told me the compressor was dead.
Changed the compressor and refilled the system with gas. Think the A/C is blowing colder now, but only when I'm driving. But the fans are still dead.
I used a multimeter on the contact at the bottom of he fan, and the two big wires have 12v and ground. The blue/red has 12v (through fuse F8 I think) and the yellow/purple wire have something like 2,2v. As far as I know this is the campus-wire and you should use an oscilloscope to check it. But at least, when I turn the ignition on, it pops up to 2,2v.
Had a fried at Audi look at the "cable-map", and he said the fcm is inside the fan on my car, so no use in trying to look for that.
I was at a junkyard and got another fan, but they did not have one with the exact same number. Mine ends with 227M and the new one ends with 227AQ. Still no action.
I'm running out of ideas, so any help is much appreciated!
Best regards
Sindre
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Originally Posted by RuZleBiFf
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