Yamaha XSR900 2022, Service Manual

Page: 370 / 726

8-2 3
SIGNALING SYSTEM
EAS30501
TROUBLESHOOTING
• Any of the following fail to light: turn signal light, brake light or an indicator light.
• The horn fails to sound.
• The fuel meter fails to come on.
• The speedometer fails to operate.
TIP
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Fuel tank cover
3. Fuel tank
4. Air filter case
1. Check the fuses.
(Main, ignition, ignition 2, ABS
ECU, signaling system, backup,
backup 2, and brake light.)
Refer to “CHECKING THE FUS-
ES” on page 8-40.
NG
→
Replace the fuse(s).
OK
↓
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-41.
NG
→
• Clean the battery terminals.
• Recharge or replace the battery.
OK
↓
3. Check the main switch.
Refer to “CHECKING THE
SWITCHES” on page 8-39. NG
→
Replace the main switch/immobilizer unit.
OK
↓
4. Check the entire signaling sys-
tem’s wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-21.
NG
→
Properly connect or repair the signaling
system’s wiring.
OK
↓
Check the condition of each of the sig-
naling system circuits. Refer to
“Checking the signaling system” on
page 8-24.