Caution System; Over-Revolution Caution System - Suzuki DF150 Service Manual

3-34 ENGINE CONTROL SYSTEM

CAUTION SYSTEM

The following four caution systems alert the operator when an
abnormality occurs on the engine.
• OVER-REVOLUTION CAUTION
• LOW OIL PRESSURE CAUTION
• OVERHEAT CAUTION
• LOW BATTERY VOLTAGE CAUTION
CAUTION
TYPE
Over-revolution
Low oil pressure
Overheat
Low battery voltage

OVER-REVOLUTION CAUTION SYSTEM

CONDITION:
The ECM controlled over revolution limiter will engage at the engine speeds shown below. Once engaged it
will initiate an intermittent fuel injection signal to reduce engine speed.
Over revolution limiter
DF150: 6 200 r/min
DF175: 6 300 r/min
ACTION:
Engine speed Automatically reduced to approx. 3 000 r/min by intermittent fuel injection signal.
Caution lamp "REV-LIMIT" lamp lights continuously.
Caution buzzer No buzzer sounds.
RESET:
Close throttle to reduce engine speed below approx. 3 000 r/min for one second.
CAUTION CAUTION
LAMP BUZZER
Yes 1
No
Yes 2 (1)
Yes
Yes 3 (1)
Yes
Yes 4
Yes
MONITOR-TACHOMETER
OVER-REV
LIMITER
(3 000 r/min)
Yes
"REV LIMIT" lamp
Yes
! "OIL" lamp
Yes
" "TEMP" lamp
"CHECK ENGINE" lamp
No