>From my experience with the ML - if the compresosr is on, the aux fans need to be running, or the R12 pressure will get too high, and turn of the compressor. I don't think the temp sensor is going to be your answer (for the AC). I'm betting on Peter - it's likely the KLIMA or PPU.
On Sat, Aug 28, 2010 at 9:35 PM, WILTON <wilt...@nc.rr.com> wrote: > Oh, the dashed lines indicate wires/in the same connector/plug. > > Checking other wiring diagrams, I find that operation of aux fans seems to > be very much affected by engine coolant temp via the ACC control, especially > in AUTO; 'don't think I had it out of AUTO with the coolant temp up when I > was "messing with" it today; hafta try that tomorrow. AUTO, or not, may not > make any difference. I think that, if the engine coolant sensor > can't'/doesn't sense temp properly, the ACC may not "know" that the temp is > high enough to send power to aux fan relays via the temp switch. > > > Wilton > OK Don 2001 ML320 1992 300D 2.5T 1990 300D 2.5T 1997 Plymouth Grand Voyager _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
