Malaguti Dune X 125 Service Station Manual page 107

Dune 125 - Dune X 125 - Euro 4

 Sensor potentiometer throttle valve position P0120 - short circuit to positive, open circuit /
short circuit to negative
Cause of error

Malfunction of sensor inside the control unit Troubleshooting

Replace the control unit
Diagnostic tool - Adjustment
This screen page is used to adjust some control unit
parameters

Self-adaptive parameters reset
Diagnostic tool - Adjustment
Throttle positioner autodetection

It allows the control unit to detect the closed throttle
position; just press the Enter key Reset of self-adaptive parameters

operation to be carried out after the throttle body is cleaned or in the case a new engine, a
new lambda probe or a new injector is fitted, or the correct operation of the injection system
or the valves is restored.
Diagnostic tool - Reset

Once the throttle body or the injection control unit is replaced, it is necessary to connect to
the diagnostic tool selecting FUEL INJECTION and carry out the operation "THROTTLE
POSITIONER AUTODETECTION"
Electrical system
ELE SYS - 107