Yamaha R1 Series 2015 Service Manual page 515

2. Check the horn.
Refer to "CHECKING THE HORN"
on page 8-189.
OK
3. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-29.
OK
This circuit is OK.
The tail/brake light fails to come on.
1. Check the front brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-177.
OK
2. Check the rear brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-177.
OK
3. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-29.
OK
Replace the tail/brake light.
The turn signal light, turn signal indicator light or both fail to blink.
1. Check the turn signal switch.
Refer to "CHECKING THE
SWITCHES" on page 8-177.
OK
2. Check the hazard switch.
Refer to "CHECKING THE
SWITCHES" on page 8-177.
OK
3. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-29.
OK
Replace the meter assembly or turn
signal light.
Replace the horn.
NG
Properly connect or repair the signaling
system's wiring.
NG
Replace the front brake light switch.
NG
Replace the rear brake light switch.
NG
Properly connect or repair the signaling
system's wiring.
NG
Replace the left handlebar switch.
NG
Replace the left handlebar switch.
NG
Properly connect or repair the signaling
system's wiring.
NG
8-34
SIGNALING SYSTEM