Yamaha YSR50T Service Manual page 214

DISPLAY SYSTEM
I
ELEC
1
I s
1
2.
"OIL" warning indicator light does not come on.
1. "OIL" warning indicator light (L.E. D.
check
*Disconnect the meter coupler (BlackIRed,
Brown, Sky blue, Yellow, Black, Dark green,
Chocolate and Blue) from the wireharness.
.Connect a full charged battery (6V) to the
meter coupler.
Battery
(
+
Lead+Brown
@)
Lead
Battery
( -
1
Lead-+Black/Red
@
Lead
I 1
INDICATOR LIGHT
I I
COMES ON.
2. Oil level switch check ( 1 )
*Remove the oil level switch from the oil tank.
(
.Connect the Pocket Tester (M
x
1) to the oil
(
level switch lead.
Tester
(
+
1
Lead+Black/Red
@)
Lead
Tester
( -
1
Lead-+Sky blue
@
Lead
INDICATOR LIGHT DOES
NOT COME ON.
"OIL" warning indicator light (L.E.D.) is faulty,
replace it.
.Check the oil level switch for continuity.
Oil level switch is faulty, replace it.
CONTINUITY
3C