Yamaha Tracer MT09TRAH 2017 Service Manual page 390

EAS30499
TROUBLESHOOTING
Any of the following fail to light: headlight, high beam indicator light, taillight, license light or meter light.
TIP
• Before troubleshooting, remove the following part(s):
1. Fuel tank front cover/Front side panel/Front side cowling
2. Passenger seat/Rider seat
3. Fuel tank cover
4. Fuel tank
5. Rear side cover
6. Headlight assembly
1. Check the each bulbs and bulb
sockets condition.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
8-156.
OK
2. Check the fuses.
(Main, headlight, ignition and signal-
ing system)
Refer to "CHECKING THE FUSES"
on page 8-157.
OK
3. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-158.
OK
4. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-153.
OK
5. Check the dimmer/pass switch.
Refer to "CHECKING THE
SWITCHES" on page 8-153.
OK
6. Check the entire lighting system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-17.
OK
Replace the ECU, meter assembly,
headlight assembly or tail/brake light.
Refer to "REPLACING THE ECU
(Engine Control Unit)" on page 8-157.
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
The dimmer/pass switch is faulty. Replace
the handlebar switch (left).
NG
Properly connect or repair the lighting sys-
tem's wiring.
NG
8-19
LIGHTING SYSTEM