Yamaha FJR1300AS(X) Service Manual page 525

Checking the signaling system
The horn fails to sound.
1. Check the horn switch.
Refer to "CHECKING THE
SWITCHES" on page 8-233.
OK ↓
2. Check the horns.
Refer to "CHECKING THE
HORNS" on page 8-250.
OK ↓
3. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM (1/2)
(FJR1300A)" on page 8-39, "CIR-
CUIT DIAGRAM (2/2) (FJR1300A)"
on page 8-41, "CIRCUIT DIAGRAM
(1/2) (FJR1300AS)" on page 8-43,
and "CIRCUIT DIAGRAM (2/2)
(FJR1300AS)" on page 8-45.
OK ↓
This circuit is OK.
The tail/brake light fails to come on.
1. Check the tail/brake light bulbs and
sockets.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
8-238.
OK ↓
2. Check the front brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-233.
OK ↓
3. Check the rear brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-233.
OK ↓
4. Check the brake light relay.
Refer to "CHECKING THE RE-
LAYS" on page 8-243.
OK ↓
NG →
Replace the left handlebar switch.
NG →
Replace the horn(s).
NG →
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 →
Replace the brake light relay.
8-48
SIGNALING SYSTEM