The negative cable, which is normally connected to the negative pole of the battery, is fastened to the crankcase. From here, the cable branches off and splits up within the electrical system to carry the ground connection to the different elements in the system.

The image shows the ground connection on left side of the engine crankcase.
The battery charging circuit and power distribution
Electrical power for lighting and signalling devicesAbs disabled information not displayed
Fault codes
Dds: displays a fault code described in the description of the abs system.
Dashboard: no fault code displayed.
Wiring diagram
Checks
The abs fault indicator indicates the occurrence of one or more faults in the
antilock brake system, or if the system itself
has been disable ...
How to start the engine
With the motorcycle off and the dashboard on, the on/off switch is turned to
"run off"
With the motorcycle and dashboard on, the on/off switch is turned to "run
off".
To start the engine, simply push the on/off switch up to "run on" and press the
black start button.
...
Entering pin code function for vehicle release
This function turns on the motorcycle "temporarily" in the
case of hf (hands free) system "malfunctions".
To activate the function, press the "emergency" hands free
button (7, fig. 87) If the motorcycle cannot be turned on using
the normal starter button.
After ...