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RSV4 Factory a-PRC
ECU PIN 47): if OK, check pink cable and black cable insulation; if NOT OK, restore cable harness; if
pink/black cable insulation is OK, replace the Marelli control unit; if NOT OK, restore cable harness.
NOTE: The control unit can not detect faults due to failed cable continuity.
a-PRC setting buttons
Function:
To signal to the control unit the request for modi-
fication of the a-PRC system settings.
Operation / Operating principle:
Either control (+) or (-) is made up of a deviator
with both outputs electrically connected to the in-
strument panel: at the same time, the instrument
panel sends the requested command to the Marelli
ECU, via CAN line.
Electrical circuit diagram - Level in wiring dia-
gram:
Traction control.
Location on the vehicle:
On the left side semi-handlebar.
Connector location (if available):
Inside the top fairing and instrument panel mount-
ing support.
Electrical specifications:
+ button: - 0 Ohm across PIN 2 and PIN 1 - Infinite
resistance across PIN 2 and PIN 5; - button: 0 Ohm
across PIN 3 and PIN 8 - infinite resistance across
PIN 3 and PIN 4.
Pin-out:
•
PIN 1: + 12 V power supply (green-
brown)
•
PIN 2: ground (black-black)
•
PIN 3: ground (brown-black)
•
PIN 4: + 12 V power supply (blue-blue)
•
PIN 5: + 12 V power supply (yellow-
white)
•
PIN 8: + 12 V power supply (red-red)
DIAGNOSTICS INSTRUMENT: STATUSES
"+" button:
Electrical system
ELE SYS - 231
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