If The Instrument Board (Speedometer Function) Is Not Functioning Correctly; Voltage Delivered To Rev Counter Sensor - Malaguti F12R L.C. 50 cc Workshop Manual

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Chapter
If the instrument board (speedometer function) is not functioning correctly, check:
1)

VOLtaGe DeLIVereD tO reV COUNter SeNSOr

) SIGNaL SeNt tO INStrUMeNt BOarD
3) CONtINUItY OF WhIte CaBLe
1. Voltage delivered to rev counter sensor
- Disconnect three-way connector of rev counter sensor.
- Connect Tester (20 V dc) to connector, as follows:
- terminal (+) of tester
- terminal (-) of tester
- turn key "ON".
- Voltage delivered to rev counter sensor: 5
- Not compliant: check continuity of black cable (-) and of yellow/blue cable (+5V), (see wiring diagram).
- If cables are in good repair, replace digital instrument board.
2
F. 6
44
paGe
Signalling System
Yellow/blue cable (1).
Black cable (2).
V.
±0.5
1
F12R L.C. 50 cc.
Tester (dc 20 V)
0.07
ISSUe