Yamaha MT-01 Service Manual page 767

Manuals by Motomatrix / www.motomatrix.co.uk
EAS27290
TROUBLESHOOTING
• Any of the following fail to light: turn signal light, brake light or indicator light.
• The horn fails to sound.
• The speedometer fails to operate.
NOTE:
• Before troubleshooting, remove the following part(s):
1. Seat
2. Fuel tank
3. Air filter case
4. Headlight assembly
1. Check the fuses.
(Main, ignition, signaling system,
parking lighting, and ECU)
Refer to "CHECKING THE FUS-
ES" on page 7-93.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 7-94.
OK ↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 7-89.
OK ↓
4. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 7-19.
OK ↓
Check the condition of each of the sig-
naling system's circuits. Refer to
"Checking the signaling system".
Checking the signaling system
The horn fails to sound.
1. Check the horn switch.
Refer to "CHECKING THE
SWITCHES" on page 7-89.
OK ↓
2. Check the horn.
Refer to "CHECKING THE HORN"
on page 7-102.
OK ↓
Email: info@motomatrix.co.uk
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the main switch/immobilizer unit.
NG →
Properly connect or repair the signaling
system wiring.
NG →
Replace the left handlebar switch.
NG →
Replace the horn.
7-21
SIGNALING SYSTEM