APRILIA RSV4 1100 Factory Service Station Manual page 222

Electrical system
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CASE 2): if this status is displayed only with control activated, it means that at that moment
a voltage below 1V, instead of battery, is being detected at PIN 20 of the instrument panel;
disconnect the gearshift control connector and read voltage at PIN 20 of the instrument
panel: if voltage is below 1 V, it means that on the brown cable there is a short circuit to
ground; if voltage is above 1 V (approximately battery voltage), replace the "+" button sensor.
Indication on diagnostic tool "Invalid data due to open circuit error";
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CASE 1): if this status is displayed only with control not activated, it means that circuit from
PIN 20 to PIN 34 of the instrument panel is interrupted or that PIN 34 is not grounded: check
the instrument panel connector and the "+" button connector: if they are not OK, restore; if
they are OK, check continuity on the brown cable: if it is not OK, restore; if it is OK, check
continuity on the black cable from the "+" button connector to PIN 34 of the instrument panel:
if it is not OK, restore; if it is OK, check continuity of the "+" button from the "+" button
connector (between black cable and green cable): if it is not OK, change the control; if it is
OK, check, with key to ON, that the black cable is not grounded and then change the in-
strument panel.
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CASE 2): if this status is displayed only with control activated, it means that circuit from PIN
19 to PIN 34 of the instrument panel is interrupted: check the instrument panel connector
and the "+" button connector: if they are not OK, restore; if they are OK, check continuity on
the white cable: if it is not OK, restore; if it is OK, check, with control activated, that there is
no continuity of the "+" button from the "+" button connector (between the black cable and
the yellow cable) and then replace the control.
Inertial sensor platform (sensor box)
Function:
To transmit information about the motorcycle dy-
namics to the Marelli control unit (e.g.: yaw rate).
Electrical circuit diagram - Level in electrical
circuit diagram:
Traction control.
Position on vehicle:
Fastened to the fuel tank, under the seat.
Connector position:
On the platform
Pin-out:
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Pin 1: ground lead (black)
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Pin 2: "L" CAN line (white/black)
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Pin 3: "H" CAN line (orange)
ELE SYS - 222
RSV4 1100 Factory