APRILIA SHIVER 900, Service Station Manual

Page: 139 / 444

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Check the integrity of the electrical circuit, the cleanliness of the flywheel teeth and the
correct positioning of the sensor in its seat: if not ok restore; if ok, replace the sensor.
NOTE
THIS ERROR GENERATES THE RECOVERY STATUS AND ENGINE SHUT-DOWN.
Twistgrip position sensor
HANDLE POSITION SENSOR
Function
The handle command is used to convert the driver's power demand to an electrical signal to be sent to
the electronic control unit.
Operation / Operating principle
in the handle command there is an integrated double track potentiometer through which the torque
demand is read (and verified). The potentiometer is watertight and magnetically controlled (contactless),
it cannot be overhauled or replaced.
Level in electrical circuit diagram
Check of the throttle valves and handle sensor
Position:
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on the vehicle: integrated in the handle command
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connector: on the left side of the filter housing
Electrical specifications:
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-
Pin-out
1. A track power supply (orange/white cable)
2. Sensors 1 ground (green/pink cable)
3. A track signal (yellow/blue cable)
4. B track power supply (orange/black cable)
5. Sensors 2 ground (pink/black cable)
6. B track signal (light blue cable)
DIAGNOSTIC TOOL: ELECTRICAL ERRORS
P0225 Track A handle position sensor
Electrical diagnosis:
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short circuit to positive / open circuit, short circuit to negative
Error cause
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Short-circuit to positive: an excessive voltage was detected at PIN 39 of the ENGINE con-
nector.
SHIVER 900
Electrical system
ELE SYS - 139