Yamaha YZF-R1S Service Manual - Elec
8-40
SIGNALING SYSTEM
ELEC
YES
NO
Replace the starting
circuit cut-off relay.
YES
NO
4. Voltage
S Connect the pocket tester (DC 20 V) to the
meter assembly coupler (wire harness side)
as shown.
The wiring circuit
from the main switch
to the meter assem-
bly coupler is faulty
and must be re-
paired.
Positive tester probe
! brown
Negative tester probe
! ground
1
S Turn the main switch to “ON”.
S Measure the voltage (DC 12 V) of brown
at the meter assembly coupler (wire harness
side).
S Is the voltage within specification?
This circuit is OK.
S Are the tester readings correct?
YES
NO
1. Oil level warning light (LEDs)
S Check the oil level warning light for continu-
ity.
When the main switch is turn to “ON”, the oil
level warning light is come on.
S Are the oil level warning light OK?
Replace the meter
assembly.
EAS00802
5. The oil level warning light fails to come on.
YES
NO
2. Oil level switch
S Drain the engine oil and remove the oil level
switch from the oil pan.
S Connect the pocket tester (Ω 100) to the
oil level switch as shown.
Replace the oil level
switch.
Positive tester probe
!
Connector
(white)
Negative tester probe
! Body ground
1
1
2
S Measure the oil level switch resistance.
Oil level switch resistance
114
X 126 Ω at 20_C (68_F)
484
X 536 Ω at 20_C (68_F)
1
2
S Is the oil level switch OK?
2
When you switch the positive and negative
tester probes, the readings in the above
chart will be reversed.
NOTE:
1