Yamaha R1 Series 2015 Service Manual page 517

The fuel level warning light fails to come on.
1. Check the fuel sender.
Refer to "CHECKING THE FUEL
SENDER" on page 8-189.
OK
2. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-29.
OK
Replace the meter assembly.
The oil pressure and coolant temperature warning light fails to come on.
1. Check the coolant temperature sen-
sor.
Refer to "CHECKING THE COOL-
ANT TEMPERATURE SENSOR"
on page 8-190.
OK
2. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-29.
OK
Replace the ECU or meter assembly.
Refer to "REPLACING THE ECU (En-
gine Control Unit)" on page 8-180.
QSS (Quick Shift System) does not operate.
1. Check that the engine trouble and
system warning light does not come
on.
OK
2. Check that the QSS is working un-
der normal QSS operating condi-
tions.
OK
3. Make sure that the QSS is effective.
(Check whether the "QS" icon is dis-
played at the top of the meter.)
OK
4. Check that the shift switch coupler
is connected.
OK
Replace the fuel pump assembly.
NG
Properly connect or repair the signaling
system's wiring.
NG
Replace the coolant temperature sensor.
NG
Properly connect or replace the wiring har-
ness.
NG
Repair the faulty parts.
NG
Check the QSS operating conditions ex-
plained in the owner's manual and operate
NG
the QSS accordingly.
Activate the QSS. (Set the QSS to a set-
ting other than "OFF".)
NG
Connect the shift switch coupler.
NG
8-36
SIGNALING SYSTEM