Quote:
Originally Posted by tofufi
Secondary fan? On a 700/900? Not on mine at least... 
The ECC system triggers the engine cooling fan so far as I know. |
Primary fan is the engine driven, vicious coupled fan, secondary fan is the electric one.
I can't find the circuit diagram at the moment, it's on Windows somewhere and the other thing is that the ECU won't know when the A/C is running so won't increase the idle speed to cope as necessary.