Rider Presence Sensor - PIAGGIO MP3 400 i.e. Service Manual

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With interface wiring connected to the control unit,

secure the vehicle on its centre stand and switch

to "ON". Select the reading scale on 20 V. Insert

the multimeter probes on pins 17 and 25. Check

that the voltage in the activated locking condition

is 4V and 1V in the locking to rest condition.

With the interface wiring disconnected from the

control unit, check the continuity between pin 17

and the yellow cable of the potentiometer connec-

tor, between pin 25 and the green-blue cable,

between pin 11 and the orange-blue cable. Also

check that these lines are insulated from each oth-

er and earth.

RIDER PRESENCE SENSOR

MP3 400 i.e.