10
Technical tips
Engine control system
Item
Condition
Action
Remarks
Overheat
warning con-
trol
• Engine temperature
rises rapidly in a
short time.
• Thermo switch is on.
• Exhaust cooling
water temperature
exceeds 65
°
C
(149
°
F).
• Opening angle of the ETV
is regulated.
• Maximum engine speed is
limited to approximately
2100–2300 r/min.
Cancel:
• Stop the engine and wait
for 30 seconds or more.
• Engine temperature is
below 140
°
C (248
°
F)
with the thermo switch
off.
• Exhaust cooling water
temperature is below 70
°
C (158
°
F) with the ETV
fully closed.
If the engine is stopped
during overheat warning
control, it can be restarted.
Oil pressure
warning con-
trol
Control is activated
when all of the follow-
ing conditions are
present:
• Oil pressure switch
is on.
• ETV is open.
• Engine speed
exceeds 4500 r/min.
• Opening angle of the ETV
is regulated.
• Maximum engine speed is
limited to approximately
2100–2300 r/min.
Cancel:
• Stop the engine and wait
for 30 seconds or more.
• Engine is restarted and
the oil pressure switch is
off.
If the engine is stopped
during oil pressure warning
control, it can be restarted.
Cam position
sensor failure
control
Control is activated
when the following
conditions are main-
tained for 10 seconds:
• Cam position sensor
failed.
• Engine speed
exceeds approxi-
mately 1000 r/min.
• Opening angle of the ETV
is regulated.
• Maximum engine speed is
limited to approximately
2100–2300 r/min.
Cancel:
Engine is stopped.
Control is activated
when all of the follow-
ing conditions are
present:
• Cam position sensor
failed.
• Engine speed
exceeds 5000 r/min.
Ignition and fuel injection
are cut to all cylinders and
the engine is stopped.
Cancel:
Engine is stopped.
Summary of Contents for GX1800
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