Sym Fiddle III 50 - ECS Operating Instructions

SYM 4
. ELECTRONICALLY CONTROLLED CARBURETOR SYSTEM
4-3
Electronically controlled carburetor system operating instructions
ECU
Input
Internal operation
Output
Crankshaft rotate speed
Throttle Position Sensor
O
2
Sensor
Engine temperature sensor
Battery voltage
Manifold pressure (optional)
MAP
Duty factor solenoid valve1，2
Ignition coil
Trouble indicating lamp
Diagnosis Communication Line
AUTOBY-Start (multipliable)