Yamaha FJR1300R, Service Manual

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ELEC
COOLING SYSTEM
EAS00808
TROUBLESHOOTING
Check:
1. main, ignition, and radiator fan motor fuses
2. battery
3. main switch
4. radiator fan motor
5. radiator fan motor relay
6. coolant temperature sensor
7. wiring connections
(the entire cooling system)
NOTE:
@
• Before troubleshooting, remove the following
part(s):
1) fuel tank and T-bar
2) front cowling assembly
• Troubleshoot with the following special
tool(s).
EAS00738
YES
NO
EAS00739
YES
NO
EAS00749
YES NO
• The radiator fan motor fails to turn.
• The coolant temperature gauge needle
fails to move when the engine is warm.
Pocket tester
YU-03112
1. Main, ignition, and radiator fan motor fuses
• Check the main, ignition, and radiator fan
motor fuses for continuity.
Refer to “CHECKING THE FUSES” in
chapter 3.
• Are the main, ignition, and radiator fan
motor fuses OK?
Replace the fuse(s).
2. Battery
• Check the condition of the battery.
Refer to “CHECKING AND CHARGING
THE BATTERY” in chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20 °C (68 °F)
• Is the battery OK?
• Clean the battery
terminals.
• Recharge or
replace the battery.
3. Main switch
• Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the main switch OK?
Replace the main
switch.