Efi System Operation; Fuel Injection System - Sym Wolf SB 250 Ni Service Manual

3. Fuel Injection System

EFi system operation

Crankshaft
Position Sensor
Manifold Absolute
Pressure Sensor
Throttle Position
Sensor
Engine Coolant
Temperature
Sensor
O2 sensor
Rollover
sensor
Intake Air
Temperature Sensor
Battery
voltage
3-2
CPS
MAP
TPS
TW
Engine control
LAMBDA
K/S
TA
VBATT
Tuning tools
ECU
FUEL PUMP
unit
CHECK LIGHT
Diagnostic tool
Injector
INJECTOR
Ignition Coil
IGN COIL
Fuel pump
AISV
AISV
Idle Speed Control
ISC
Valve
(Stepping motor)