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Oil Pressure/level Warning System - Kawasaki KZ1300-A1 Quick Reference Manual

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SUPPLEMENT --1981 MODEL
OIL PRESSURE/LEVEL WARNING SYSTEM
Introduction:
The
oil pressure/level warning system has been newly
installed to warn both decreased oil level and/or low oil
pressure in the engine.
This system includes the oil
pressure/level warning light, oil pressure switch, oil level
sensor, and oil level warning light switch.
The oil pressure/level warning light warns the low oil
pressure and level
in
the engine. With the motorcycle
held perpendicular to the ground, if the warning light
comes on when the ignition switch is turned on and then
goes off after engine starting off, both the oil pressure
and oil level are normal.
If the warning light goes
on
continuously after engine starting, it shows the low oil
pressure or level, necessitating oil level and engine in-
spection. If the warning light comes on during riding,
it
shows the low oil pressure.
Operation of Oil Pressure/Level Warning System:
The oil pressure/level warning system
is
shown in Fig.
N57. The oil pressure switch is on when the engine is
stopped (i.e. the oil pressure is low.), and is off when the
engine is running (i.e. the oil pressure is correct.). The
oil level sensor is
on
when the oil level in the engine is
correct, and is off when the oil level is low. The control
circuit in the oil level warning light switch commits the
oil level sensor condition (i.e. on or off) to memory
when the
ignition
switch is turned on, and also it con-
trols the transistor.
If the oil level is low (i.e. the oil level sensor is off.)
when the ignition switch is turned on, the transistor
conducts by means of the control circuit. So the oil
pressure/level warning light is on, and
it
is on continu-
011
Pr.ssur./L.v.1
Warning System
ously with no relation to the oil pressure switch condi-
tion until the correct oil level is obtained and the
ignition switch is turned off.
If the oil level is correct (i.e. the oil level sensor is on.)
when the
ignition
switch is turned on, the transistor does
not conduct. So the warning light is on or off according
to the oil pressure switch condition. Therefore, if the
warning light is on after engine starting or comes on
during riding, it shows that the oil pressure is low, and
if the warning light is off engine starting, it shows that
both the oil pressure and level are in good condition.
Troubleshooting Guide:
If trouble suspected in this system, check the system
by the following
"Oil
Pressure/Level Warning System
Toubleshooting Guide" shown in Fig. N58. This touble-
shooting guide is explained on the assumption that the
ignition switch, engine stop switch, fuse, and battery are
in good condition. To use this chart, follow the arrows
on the chart selecting a "Yes· or "No· arrow at each
diamond-shaped step until you reach the
"End".
Each
test procedure is explained individually.
Description of Each Test Procedure:
1. Engine 011 Ltvel Inspection
Refer to p.
306.
2. To Check the VolUlgt Applied
to
Oil
Pr ... ur.
Switch
Refer to p. 200.
3. Oil
PrtllUr.
Switch Inspection
Check the oil pressure switch with engine stopped
referring to p. 200.
I~l---...!--Y/R
Control
Engine Stop Switch
Y/R++=<3----Br--+!--Br-------~
Circuit I----.-J--Bk/y
'--~.J 'T-'r
--+--
B I/W
Oil Level
I
Wamin, Light Sw;"h
~
Oil Level Sensor
al
~ Oil Pres~urc/Levcl
I--------BI/W
'"
~I
Wam;ng Light
~
-
a l
~
Color Code
co
BI
Blue
Bk
Black
Br
Brown
R
Red
W
White
Oil Pressure Switch
Y
Yellow
Ignition
Switch
Main
Switch
Fuse 30A
318

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