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4-2-5 A.V.R
(AUTOMATIC VOLTAGE REGULATOR)
(RGV12100 only)
The automatic voltage regulator employs an
electronic circuit to automatically regulate
voltage.
4-2-6 ECU (ELECTRONIC CONTROL UNIT)
ECU controls the start/stop of an engine
enabling the fuel cut while stop.
It also automatically stops the engine if an
abnormal oil pressure occurs.
Function
Description of Operation
Warning lamp
When the lubrication oil pressure drops below the safety limit (Oil pressure
becomes less than 1kg/cm
2
) and/or the engine speed ups above the safety
limit (Engine speed increases higher than 4,500 r/min for 7 seconds), the
warning lamp repeats turning on and off, and the engine stops automati-
cally. The warning lamp turns off after 3 minutes.
Starter motor control
When the engine started and reaches 1,050 r/min, the starter motor is
automatically stopped.
When the engine is operating, the starter motor can not start.
