Sym RV 250i User Manual

4. Fuel Injection System
4-11
Throttle Position Sensor (TPS)
Basic Principle
TPS is a rotary variable electric resistor. When it is rotated, both electric resistance and voltage value
change, determining the throttle position.
Function
TPS determines the throttle valve position and sends signal to ECU as reference of engine control.
TPS
ECU
Battery
TPS
EC
U
5V
E
VT
A
VC
6
4
2
0
50 100 150
TPS output voltage
Throttle valve opening angle
Voltage
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Sym RV 250i Specifications

General

Brand	Sym
Model	RV 250i
Category	Scooter
Language	English