Yamaha YZF-R1P 2001-2003, 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. seat
2. fuel tank
3. bottom cowling
4. side cowlings
• Troubleshoot with the following special
tool(s).
EAS00738
EAS00739
EAS00749
• The radiator fan motor fails to turn.
• The coolant temperature meter (meter
assembly) fails to indicate when the
engine is warm.
Pocket tester
YM-03112
1. Main, ignition and fan motor fuses
• Check the main and ignition fuses for con-
tinuity.
Refer to “CHECKING THE FUSES” in
chapter 3.
• Are the main and ignition fuses OK?
YES NO
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?
YES
NO
• Clean the battery
terminals.
• Recharge or
replace the bat-
tery.
3. Main switch
• Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the main switch OK?
YES NO
Replace the main
switch.