Troubleshooting - Yamaha SR400 2014 Service Manual

EAS27260

TROUBLESHOOTING

Any of the following fail to light: headlight, high beam indicator light, tail light, auxiliary light or meter light
TIP
• Before troubleshooting, remove the following part(s):
1. Seat
2. Fuel side cover (left)
3. Fuel tank
4. Fuel pump case
1. Check the each bulbs and bulb
sockets condition.
Refer to "CHECKING THE BULBS
AND BULB SOCKETS" on page
7-58.
OK
2. Check the fuses.
(Main, headlight and signaling sys-
tem)
Refer to "CHECKING THE FUSES"
on page 7-59.
OK
3. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 7-60.
OK
4. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 7-55.
OK
5. Check the dimmer switch.
Refer to "CHECKING THE
SWITCHES" on page 7-55.
OK
6. Check the pass switch.
Refer to "CHECKING THE
SWITCHES" on page 7-55.
OK
7. Check the headlight relay (on/off).
Refer to "CHECKING THE RE-
LAYS" on page 7-63.
OK
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.
NG
The dimmer switch is faulty. Replace the
left handlebar switch.
NG
The pass switch is faulty. Replace the left
handlebar switch.
NG
Replace the headlight relay (on/off).
NG
7-13
LIGHTING SYSTEM