Originally Posted by EricD10563
“On ABS equipped models, the amber ABS indicator lamp begins to flash at key ON to indicate that the system is operational. It continues to flash until motorcycle speed exceeds 3 mph (5 k km/h). Continuous illumination of the lamp will only occur when ABS detects that the system is malfunctioning. In diagnostic mode, the lamp will also illuminate to indicate the presence of diagnostic trouble codes (DTCs). See a Harley-Davidson dealer for service.”
The rider should understand the nomenclature of the particular model
You see? Information in the manual. Evidently the bike owner didn't bother to read it and just assumed....