Yamaha N MAX GPD150-A 2015 Service Manual page 347

2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK ↓
Replace the horn.
The brake light fails to come on.
1. Check the front brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-95.
OK ↓
2. Check the rear brake light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-95.
OK ↓
3. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
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 bulbs
and sockets.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
8-98.
OK ↓
2. Check the turn signal switch.
Refer to "CHECKING THE
SWITCHES" on page 8-95.
OK ↓
3. Check the turn signal relay.
Refer to "CHECKING THE TURN
SIGNAL RELAY" on page 8-103.
OK ↓
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.
NG →
Replace the turn signal relay.
8-22
SIGNALING SYSTEM