The battery charging system on the Ford Focus II rarely fails. As a rule, the main sign of malfunction is a voltage drop at the output from the alternator or at the output from the engine control unit. All this is accompanied by a burning alarm lamp on the dashboard (with the image of the battery), and when scanning the system pops up error P1246, the failure of the input load circuit of the alternator. Let's deal with the error on the Ford Focus 2 together.
