APRILIA Tuono V4 1100 Factory Service Station Manual page 265

Tuono V4 1100 Factory
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.
P1800 Rear wheel radius learning diagnosis
Functional diagnosis:
•
CAN error while learning / Signal not plausible.
Error cause:
•
In case of CAN error during acquisition, system warns that the procedure can not be com-
pleted due to a communication problem on the CAN line.
•
If the signal is not plausible, there was a transcription error of the value of the rear wheel
radius from the non volatile memory (EEPROM) to the volatile memory (RAM) at key ON.
In this case the default value is used.
This error is indicated by lighting up in a fixed manner the MI warning light
NOTE
THIS ERROR DISABLES THE TRACTION CONTROL.
P0564 Cruise control button - Brake switch
Electrical diagnosis:
•
(brake sensors errors) connect to the instrument panel diagnosis
Error cause
•
Malfunction or communication interruption from the button on the light switch control.
•
Malfunction or rupture of the rear brake switch
This error is indicated by lighting up in a fixed manner the general warning light.
Troubleshooting
•
connect the diagnostic tool and check the correct activation status of the brake levers con-
cerning the brake switches that are physically connected to the instrument panel: if OK,
check the stability of the connections, if NOT ok, check the proper state of maintenance of
the rear brake connector; if NOT OK, restore, if OK, maintaining the switch fitted on the
vehicle, check with a tester that there is no continuity between PIN 1 and PIN 3 of the switch
with the lever engaged/released; if NOT OK, replace the rear switch, if OK, check that there
Electrical system
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