Yamaha MT-03 Service Manual page 349

3. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK
The 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 8-43.
OK
2. Check the rear brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-43.
OK
3. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM"
on page 8-19.
OK
The circuit is OK.
The turn signal light, turn signal indicator light or both fail to blink.
1. Check the turn signal light bulbs
and sockets.
Refer to "CHECKING THE
BULBS AND BULB SOCKETS"
on page 8-46.
OK
2. Check the turn signal switch.
Refer to "CHECKING THE
SWITCHES" on page 8-43.
OK
3. Check the turn signal indicator
light LED.
Refer to "CHECKING THE LEDS"
on page 8-47.
OK
4. Check the hazard switch.
Refer to "CHECKING THE
SWITCHES" on page 8-43.
OK
Properly connect or repair the signaling
NG
system wiring.
Replace the front brake light switch.
NG
Replace the rear brake light switch.
NG
Properly connect or repair the signaling
NG
system wiring.
NG
Replace the turn signal light bulb, socket
or both.
Replace the left handlebar switch.
NG
Replace the meter assembly.
NG
NG
Replace the left handlebar switch.
8-22
SIGNALING SYSTEM