Yamaha FZ1-N Service Manual page 348

3 Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-21.
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 8-
96.
OK↓
2 Check the front brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-93.
OK↓
3 Check the rear brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-93.
OK↓
4 Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-21.
OK↓
This circuit is OK.
The turn signal light, turn signal indicator light or both fail to blink.
1 Check the turn signal bulb.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page 8-
96.
OK↓
2 Check the turn signal switch.
Refer to "CHECKING THE
SWITCHES" on page 8-93.
OK↓
NG→
Properly connect or repair the signal-
ing 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 the signal-
ing system's wiring.
NG→
Replace the turn signal bulb.
NG→
Replace the left handlebar switch.
8-24
SIGNALING SYSTEM