Autel PowerScan PS100 - Manual (Page 11)

10
While the tool is in Resistance mode, using the probe tip with chassis
ground or the auxiliary ground lead, continuity can be tested on wires
and components attached or disconnected from the vehicle‟s
electrical system.
When the probe tip is contacting a good ground, the LCD will
indicate “0.0Ω ” and green LED will be on. If the tone feature is
turned on, a low pitched tone will sound.（Figure 8）
Figure 8
 In other cases, the LCD only indicates the resistance value.
（Figure 9）
Figure 9