APRILIA RSV4 Factory a-PRC 2009 User Manual

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Potentiometer 1 and potentiometer 2 do not show a logical value: the sum of the two voltages
should be constant. The cause may be a malfunction in one of the two sensors or an ab-
normal resistance in one of the two circuits
Troubleshooting
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Check the throttle body connector as well as the control unit connector. Check that cable
resistance between the throttle body connector (PIN 1) and the control unit (PIN 48) is a few
tenths of an Ohm. Check that cable resistance between the throttle body connector (PIN 4)
and the control unit (PIN 50) is a few tenths of an Ohm. If one of the two is different, restore
the cable harness. If correct, replace the complete throttle body.
potentiometer 1 sensor, front throttle position P0126
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signal not valid
Error cause
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Signal not within the expected value drawn according to the values of the intake pressure
Troubleshooting
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Check the parameter of the Potentiometer 1 rear throttle (voltage) to get which signal the
control unit receives and to compare it to the Potentiometer 1 front throttle (voltage). Check
the throttle body connector as well as the control unit connector. Check that cable resistance
between the throttle body connector (PIN 1) and the control unit (PIN 36) is a few tenths of
an Ohm. If this is not the case, restore the cable harness. If the value is correct, replace the
complete throttle body
potentiometer 2 sensor, front throttle position P0128
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signal not valid
Error cause
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Signal not within the expected value drawn according to the values of the intake pressure
Troubleshooting
•
Check the parameter of the Potentiometer 2 rear throttle (voltage) to get which signal the
control unit receives and to compare it to the Potentiometer 2 front throttle (voltage). Check
the throttle body connector as well as the control unit connector. Check that cable resistance
between the throttle body connector (PIN 4) and the throttle control unit (PIN 21) is a few
tenths of an Ohm. If this is not the case, restore the cable harness. If the value is correct,
replace the complete throttle body
front throttle position potentiometer P0129
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incongruent signal
Error cause
RSV4 Factory a-PRC Electrical system
ELE SYS - 209

APRILIA RSV4 Factory a-PRC 2009 Specifications

General

Brand	APRILIA
Model	RSV4 Factory a-PRC 2009
Category	Motorcycle
Language	English