Coolant Temperature Sensor; Temperature Sensor - PIAGGIO MP3 400 i.e. Service Manual

Injection

Coolant temperature sensor

1 Water temperature sensor
2
3 Electronic control unit
With the control unit side connector disconnected
and the coolant temperature sensor connector
connected, check that the resistance values be-
tween pin 9 and ground correspond to the engine
temperature.
20° = 2500 ± 100 Ω
80° = 308 ± 6 Ω
With the control unit side connector disconnected
and the coolant temperature connector discon-
nected, check the insulation between the light
blue/green cable and ground.
INJEC - 42

TEMPERATURE SENSOR

Specification
Engine stop switch
MP3 400 i.e.
Desc./Quantity