Troubleshooting - Yamaha MT-01 T 2005 Service Manual

EAS27260

TROUBLESHOOTING

Any of the following fail to light: headlight (high beam), headlight (low beam), high beam indicator light,
taillight, license plate light, auxiliary light or meter light.
NOTE:
• Before troubleshooting, remove the following part(s):
1. Seat
2. Fuel tank
3. Air filter case
4. Headlight assembly
1. Check the condition of each bulb
and bulb socket.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
7-92.
OK ↓
2. Check the fuses.
(Main, headlight, signaling system,
parking lighting, and ECU)
Refer to "CHECKING THE FUSES"
on page 7-93.
OK ↓
3. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 7-94.
OK ↓
4. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 7-89.
OK ↓
5. Check the dimmer switch.
Refer to "CHECKING THE
SWITCHES" on page 7-89.
OK ↓
6. Check the pass switch.
Refer to "CHECKING THE
SWITCHES" on page 7-89.
OK ↓
7. Check the headlight relay.
Refer to "CHECKING THE
RELAYS" on page 7-96.
OK ↓
NG →
Replace the bulb(s) and bulb socket(s).
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the main switch/immobilizer unit.
NG →
Replace the left handlebar switch.
NG →
Replace the left handlebar switch.
NG →
Replace the headlight relay.
7-17
LIGHTING SYSTEM