Yamaha YZF-R1S Service Manual page 433

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