Product
31
Engine speed sensor
（
optional
）
Function:
Engine speed sensor is mainly used to
measure engine‟s revolution speed. We can
use it to compare with engine‟s revolution
speed of camshaft signal sensor.
Technical parameters:
Magnetic field
allowable: ≤2KA/m;
Figure2.7.6-Speed sensor
Electronic throttle
Function:
Electronic throttle is mainly used for
controlling mixture flow, engine idling and
rated speed. ECU controls the action of
throttle and its working stroke is limited to
10
％～
90
％
(opening of butterfly valve ) by
ECU.
Failure of electronic throttle or bad contact of
connectors will lead to: unstable revolving
speed.
Figure2.7.7-Electronic throttle
