APRILIA SHIVER 900, Service Station Manual

Page: 164 / 444

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Example value with key ON: 0,0°
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Example value with engine on: -0.2°
Reading the intake pressures, the system tries to balance the intake pressure through the front and
rear cylinder, operating on the throttle valves positions: an acceptable value should be between -0.5
and +0.5
Potentiometer front throttle valve (degrees)
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Example value with key ON: 7.8°
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Example value with engine on: 1.4°
With key set to ON, the throttle is kept in position by the springs (around 5 -7°). After the engine starts
up at idle, the throttle is kept close to the mechanical minimum (above or equal to 0.5°). When the gear
is not engaged, at approximately ???? rpm the throttle valves opening s very small and the requested
torque is very low (approximately 5-7°)
Potentiometer rear throttle valve (degrees)
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Example value with key ON: 8°
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Example value with engine on: 1.5°
With key set to ON, the throttle is kept in position by the springs (around 5 -7°). After the engine starts
up at idle, the throttle is kept close to the mechanical minimum (above or equal to 0.5°). When the gear
is not engaged, at approximately ???? rpm the throttle valves opening s very small and the requested
torque is very low (approximately 5-7°)
Potentiometer 1 front throttle valve (voltage)
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Example value with key ON: 873 mV
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Example value with engine on: 561 mV
Potentiometer 1 rear throttle valve (voltage)
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Example value with key ON: 883 mV
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Example value with engine on: 536 mV
Potentiometer 2 front throttle valve (voltage)
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Example value with key ON: 4123 mV
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Example value with engine on: 4426 mV
Potentiometer 2 rear throttle valve (voltage)
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Example value with key ON: 4113 mV
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Example value with engine on: 4455 mV
Potentiometer 2 front throttle valve (degrees)
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Example value with key ON: 8.0°
•
Example value with engine on: 1.5°
With key set to ON, the throttle is kept in position by the springs (around 5 -7°). After the engine starts
up at idle, the throttle is kept close to the mechanical minimum (above or equal to 0.5°). When the gear
Electrical system
SHIVER 900
ELE SYS - 164