Rear Brake Calliper - APRILIA RS 125 Euro 4 Service Manual

Braking system
C1089 Configuration error
Cause of error
The configuration stored in the ABS control unit does not correspond to the configuration in the vehicle
it is installed on.
Troubleshooting
Check the control unit mapping and reset the vehicle configuration.
CAN LINE ERRORS
U2921 Controller error
U2922 Line failure (busoff)
Cause of error
Communication problem on CAN line: possible contact.
Troubleshooting
Check the integrity and continuity of the wiring harness:
•
between PIN 2 of the ABS control unit, PIN3 of the bluedash pre-installation and PIN 26 of
the injection control unit (orange cable)
•
between PIN 11 of the ABS control unit, PIN 4 of the bluedash pre-installation and PIN 27
of the injection control unit (black/white cable)
U2925 Failed reception from injection control unit
Cause of error
Communication problem with the injection control unit: possible CAN line contact.
Troubleshooting
Check continuity of wiring harness:
•
between PIN 2 of the ABS control unit and PIN 26 of the injection control unit
•
between PIN 11 of the ABS control unit and PIN 27 of the injection control unit.

Rear brake calliper

Removal
•
Remove the two screws that fasten the
brake calliper to the support.
BRAK SYS - 294
RS 125 - Tuono 125 - Euro 4