Yamaha XSR900 2022, Service Manual

Page: 378 / 726

8- 3 1
COOLING SYSTEM
EAS30503
TROUBLESHOOTING
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, backup 2, and radi-
ator fan motor)
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 radiator fan motor.
Refer to “CHECKING THE RADIA-
TOR FAN MOTOR” on page 8-47. NG
→
Replace the radiator fan motor(s).
OK
↓
5. Check the radiator fan motor relay.
Refer to “CHECKING THE RE-
LAYS” on page 8-42. NG
→
Replace the radiator fan motor relay.
OK
↓
6. Check the coolant temperature
sensor.
Refer to “CHECKING THE COOL-
ANT TEMPERATURE SENSOR”
on page 8-47.
NG
→
Replace the coolant temperature sensor.
OK
↓
7. Check the entire cooling system’s
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-29.
NG
→
Properly connect or repair the cooling sys-
tem’s wiring.
OK
↓