CAUTION
BE CAREFUL WITH THE POSITIVE BATTERY CABLE - IT
HAS TO GO UNDER THE TOP OF THE FRAME.
CAUTION
BEFORE CARRYING OUT ANY TROUBLESHOOTING,
CAREFULLY READ THE GENERAL TROUBLESHOOTING
CONCEPTS FOR ELECTRICAL DEVICES AT THE BEGIN-
NING OF THE CHECK AND CONTROL SECTION IN THE
ELECTRICAL SYSTEM CHAPTER.
DIAGNOSIS INSTRUMENT: LOGIC ERRORS
Battery voltage P0560
•
too high/too low
Error cause
•
If too high: too high a voltage has been detected at PIN 42. If too low: too low a voltage has
been detected at PIN 42. The instrument panel does not indicate the presence of this error
even in the ATT status.
Troubleshooting
•
If too high: check correct operation of the voltage regulator.
•
If too low: check voltage regulator connectors, engine - vehicle cable harness connector and
the control unit connector (paying special attention to possible oxidation): if not OK, restore;
if OK, check that red/white cable resistance from the voltage regulator connector to the
control unit connector is a few tenths of Ohm: if not OK, restore cable harness; if OK, check
correct operation of the electrical alternator: if not OK, restore; if OK, check operation of the
voltage regulator
Speed sensor
VEHICLE FRONT SPEED SENSOR
Function:
To generate a signal that the CLF control unit will
convert into wheel speed.
Operation / Operating principle:
Magnetoresistive sensor: a square-wave pulse is
generated with width of approximately 1V across
PIN3 and PIN6.
Electrical circuit diagram - Level in wiring dia-
gram:
Traction control.
Location on the vehicle:
On the fork, right stanchion, next to the brake cal-
liper support.
RSV4 Factory a-PRC Electrical system
ELE SYS - 161
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