PIAGGIO 500 cc - Fuel Injection - Revolutions Sensor Harness and Resistance Checks

Fuel injection
9 - 66
Install the connection harness between the control
unit and the fuel injection system. Tool 020481Y.
See page 9-8
Do not carry out connection with the control unit.
Disconnect the connection between the phase-
revolutions sensor and the fuel injection system.
Measure the resistance of the sensor
connecting the multimeter between
the terminals marked and .
Phase-revolution sensor resistance =680 Ω±15%
YES NO
Replace the revolutions
sensor.
Check the earthing isolation between one pole and
the shielding.
+쎻쎻
-
쎻
S
+쎻 - = infinity (>1MΩ)
YES
NO
YES