5 XF 95 series Diagnostics COMPONENTS 3. DIAGNOSTICS 3.1 DIAGNOSTICS IN ELECTRICAL SYSTEMS For diagnosis, DAVIE XD is used. This tool has a two-channel scope and a multimeter function. DAVIE XD is also used to read data from electronic systems. When a fault arises, it offers the option of selecting a “guided” diagnosis that goes through a series of measurement steps to help locate the cause of the problem. 2 Refer to the user manual for an extensive description of the operation and possibilities of DAVIE XD. 200303 3-1