Home >> Ford >> 2013 >> Fusion Titanium, FWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows And Glass - Glass, Frames And Mechanisms - (Except Hybrid) >> Diagnosis and Testing >> Glass, Frames and Mechanisms >> Pinpoint Test(s) >> PINPOINT TEST A: The Defrost System is Inoperative >> Visual Inspection and Diagnostic Pre-checks