Yamaha SR400 2014 Service Manual page 275

3. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 7-15.
OK
This circuit is OK.
The tail/brake light fails to come on.
1. Check the tail/brake light bulb and
socket.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
7-58.
OK
2. Check the front brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 7-55.
OK
3. Check the rear brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 7-55.
OK
4. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 7-15.
OK
This circuit is OK.
The turn signal light, turn signal indicator light or both fail to blink.
1. Check the turn signal indicator light
bulb and socket.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
7-58.
OK
2. Check the turn signal switch.
Refer to "CHECKING THE
SWITCHES" on page 7-55.
OK
3. Check the hazard switch.
Refer to "CHECKING THE
SWITCHES" on page 7-55.
OK
Properly connect or repair the signaling
system wiring.
NG
Replace the tail/brake light bulb, socket or
both.
NG
Replace the front brake light switch.
NG
Replace the rear brake light switch.
NG
Properly connect or repair or replace the
signaling system wiring.
NG
Replace the turn signal light bulb(s), sock-
et(s) or both.
NG
Replace the left handlebar switch.
NG
Replace the right handlebar switch.
NG
7-18
SIGNALING SYSTEM