Quote:
Originally Posted by TR65
MB,
Check out my thread. Should be similar to what you have.
http://67-72chevytrucks.com/vboard/s...d.php?t=468107
I use the stock pressure sensor and the ECM to control the fans according to the high side pressure, so either none, one, or two fans come on as needed.
TR |
So your sensor controls the fans, but doesn't cause the compressor to turn on or off?
Quote:
Originally Posted by TR65
At least on my 2005 LS2 (E40 ECM) the ECM is quite happy to control the AC system pressure with the fans even though it does not have an AC request. As LS1nova pointed out, I would have to get the AC request onto the serial bus somehow. The only issue is that the ECM can't cut the compressor off in case of a pressure fault.
TR
|
Can you explain what you mean by a pressure fault? TIA