Friday,13-August-2021
Ford S-MAX Cabin fan & controller replacement
EN
In that case, the car just in one night “sleep” went from full normal operational mode into no fan situation.
The motor control was suspected, and actually cause the malfunction.
In few words, the automatic A/C system control unit drive the fan speed via strong, cooled transistors. Nothing so unusual here. And what might be in the magic box? well… that one: