Yamaha XVS250 2001, Service Manual

Page: 316 / 332

7-39
2. Battery
D
Check the condition of the battery.
Refer to “CHECKING AND CHARGING
THE BATTERY” in chapter 3.
Open-circuit voltage
12.8 V or more at 20
_
C
D
Is the battery OK?
YES NO
EAS00739
D
Clean the battery
terminals.
D
Recharge or re-
place the battery.
EAS00749
D
Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
D
Is the main switch OK?
YES
Replace the main
switch.
NO
3. Main switch
D
Remove the thermo switch from the thermo
switch plate.
D
Connect the pocket tester to the thermo
switch lead.
4. Thermo switch
Tester (+) lead
Brown / Yellow terminal
Tester (–) lead
Black / Yellow terminal
1
2
CARBURETOR HEATER SYSTEM
ELEC
NOTE:
YES NO
Replace the fuse(-s).
1. Main, and carburetor heater fuses
D
Check the main, and carburetor heater
fuses for continuity.
Refer to “CHECKING THE FUSES” in chap-
ter 3.
D
Are the main, and carburetor heater fuses
OK?
EAS00781
TROUBLESHOOTING
The carburetor heater fails to operate.
Check:
1. main, and carburetor heater fuses
2. battery
3. main switch
4. thermo switch
5. carburetor heater
6. wiring
(of the entire carburetor heater system)
D
Before troubleshooting, remove the following
part(-s):
1) battery cover
2) rider’s seat
3) fuel tank
4) steering head side covers
5) tool box cover
D
Troubleshoot with the following special tool
(-s).
Pocket tester
90890-03112
EAS00738