Yamaha MBK XMAX 2014 Service Manual page 345

Checking the signaling system
The horn fails to sound.
1. Check the horn switch.
Refer to "CHECKING THE
SWITCHES" on page 8-131.
OK ↓
2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM (for
YP250R)" on page 8-23 and "CIR-
CUIT DIAGRAM (for YP250RA)" on
page 8-25.
OK ↓
Replace the horn.
The tail/brake light fails to come on.
1. Check the front brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-131.
OK ↓
2. Check the rear brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-131.
OK ↓
3. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM (for
YP250R)" on page 8-23 and "CIR-
CUIT DIAGRAM (for YP250RA)" on
page 8-25.
OK ↓
Replace the tail/brake light assembly.
The turn signal light, turn signal indicator light or both fail to blink.
1. Check the turn signal light bulb and
socket.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
8-134.
OK ↓
2. Check the turn signal switch.
Refer to "CHECKING THE
SWITCHES" on page 8-131.
OK ↓
NG →
The horn switch is faulty. Replace the left
handlebar switch.
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the front brake light switch.
NG →
Replace the rear brake light switch.
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the turn signal light bulb, socket or
both.
NG →
The turn signal switch is faulty. Replace
the left handlebar switch.
8-28
SIGNALING SYSTEM