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APRILIA RSV4 1100 Factory Service Station Manual page 223

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RSV4 1100 Factory
Pin 4: supply (brown)
DIAGNOSTIC TOOL: ELECTRICAL ERRORS
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DIAGNOSTIC TOOL: LOGIC ERRORS
P1901 Ax acceleration sensor plausibility
Functional diagnosis:
Faulty sensor/Signal not valid
Troubleshooting:
With faulty sensor, the component inside the control unit is damaged and replacement of the control
unit is recommended. With signal not valid, the sensor has generated a signal out of range that is still
sent to the injection control unit together with the relevant error.
NOTE: The instrument panel does not indicate the presence of this error even in the ATT status.
NOTE
THIS ERROR DISABLES THE TRACTION CONTROL.
P1902 Az acceleration sensor plausibility
Functional diagnosis:
Faulty sensor/Signal not valid
Troubleshooting:
With faulty sensor, the component inside the control unit is damaged and replacement of the control
unit is recommended. With signal not valid, the sensor has generated a signal out of range that is still
sent to the injection control unit together with the relevant error.
NOTE: The instrument panel does not indicate the presence of this error even in the ATT status.
NOTE
THIS ERROR DISABLES THE TRACTION CONTROL.
P1903 Yaw sensor plausibility
Functional diagnosis:
Faulty sensor/Signal not valid
Troubleshooting:
With faulty sensor, the component inside the control unit is damaged and replacement of the control
unit is recommended. With signal not valid, the sensor has generated a signal out of range that is still
sent to the injection control unit together with the relevant error.
NOTE: The instrument panel does not indicate the presence of this error even in the ATT status.
NOTE
THIS ERROR DISABLES THE TRACTION CONTROL.
P1904 Roll sensor plausibility
Functional diagnosis:
Faulty sensor/Signal not valid
Troubleshooting:
Electrical system
ELE SYS - 223

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