Sym Fiddle III 50 Service Manual

SYM 4
. ELECTRONICALLY CONTROLLED CARBURETOR SYSTEM
4-1
Mechanism illustration························ 4-1
ECS Vehicle Configuration ················· 4-2
ECS operating instructions················· 4-3
ECS Introduction ································· 4-4
Ignition System ···································· 4-5
Throttle position sensor illustration ·· 4-7
ET Sensor Illustration ·························· 4-9
O
2
sensor illustration ··························· 4-10
ECU connector illustration·················· 4-11
Diagnostic instrument using method
introduce··············································· 4-12
MECHANISM ILLUSTRATION
（Dutyfactor solenoid
valve）
（
（（
（Electronically controlled
carburetor）
（Dutyfactor solenoid
valve）
（catalyst ）
(Engine speed sensor)
(AI)
ECU
(Oxygen
sensor)
(temperature
sensor)

Sym Fiddle III 50 Specifications

General

Brand	Sym
Model	Fiddle III 50
Category	Scooter
Language	English