APRILIA SL 750 SHIVER Service Station Manual page 140

Electrical system
Error cause
•
The injection ECU cannot send CAN signals; it receives signals from the instrument panel
and the throttle control unit: the control unit may need replacing.
Troubleshooting
•
Replace the Marelli control unit.
CAN line to instrument panel, U1701 - no signal
Error cause
•
No signal is received from the instrument panel.
Troubleshooting
•
Check the connector of the instrument panel: if not OK, restore; if OK, check the continuity
of the two lines from the instrument panel connector to the VEHICLE connector of the Marelli
control unit: if not OK, restore the cable harness; if OK, replace the instrument panel.
CAN line to the throttle control unit, U1705 - no signal
Error cause
•
No signal is received by the throttle control unit.
Troubleshooting
•
Check the filter housing large connector and the throttle control unit connector: if not OK,
restore; if OK, check the continuity of the two lines from the filter housing large connector to
the VEHICLE connector of the Marelli control unit: if not OK, restore the cable harness; if
OK, check the continuity of the two lines from the filter housing large connector to the throttle
control unit connector: if not OK, restore the cable harness; if OK, replace the throttle control
unit.
AXONE: LOGIC ERRORS
CAN Line to throttle control unit, U1706 - no message update.
Error cause
•
No updated signal is received from the throttle control unit.
ELE SYS - 82
SL 750 SHIVER