Can Line - MOTO GUZZI V85 TT Service Station Manual

Electrical system
Error cause:
•
Corrupt Flash-eeprom (hardware problem).
•
Upload (e.g. in service) of an incompatible software version, therefore missing the reference
check-sum.
This error is indicated by lighting up in a fixed manner the general warning light.
Troubleshooting:
•
Call the Help Desk.

Can line

U0140 CAN line to the instrument panel
Electrical diagnosis:
•
no signal.
Error cause:
•
No signal is received from the instrument panel.
This error is indicated by lighting up in a fixed manner the general warning light.
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.
NOTE
THE PRESENCE OF THIS ERROR DETERMINE THE DEACTIVATION OF THE TRACTION CON-
TROL AND THE CRUISE CONTROL.
U1121 Diagnosis of "ABS control unit" CAN line or CLF frame counter
Functional diagnosis:
•
Signal absent
Error cause:
•
If there is no signal, no signal is received from the ABS control unit.
This error is indicated by lighting up in a fixed manner the MI warning light.
Troubleshooting:
•
Missing signal - Perform the check procedure for pin 2 and 11 of the ABS control unit con-
nector, for pin 66 and 80 of the Marelli control unit vehicle connector: if NOT OK, restore; if
OK with key OFF, disconnect the ABS control unit connector; if NOT OK replace the wiring
harness, if OK check the correct power supply to PIN 18 (12V) and the grounding of ABS
control unit PIN 1; if NOT OK, restore the wiring harness, if OK, replace the ABS control unit.
NOTE
THE PRESENCE OF THIS ERROR DETERMINE THE DEACTIVATION OF THE TRACTION CON-
TROL AND THE CRUISE CONTROL.
ELE SYS - 64
V85 TT