Troubleshooting - Yamaha XVS1100(L) Service Manual

EAS00781

TROUBLESHOOTING

The carburetor heater fails to operate.
Check:
1. main, and carburetor heater
2. battery
3. main switch
4. neatral switch
5. carburetor heater relay
6. thermo
7. carburetor heater
8. wiring
(of the entire charging system)
NOTE:
S 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
S Troubleshoot with the following special tool
(-s).
Pocket tester
90890-03112
EAS00738
1. Main, and carburetor heater fuses
S Check the main, and carburetor heater
fuses for continuity.
Refer to "CHECKING THE FUSES" in chap-
ter 3.
S Are the main, and carburetor heater fuses
OK?
YES
CARBURETOR HEATER SYSTEM
NO
Replace the fuse(-s).
EAS00739
2. Battery
S 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
S Is the battery OK?
YES
EAS00749
3. Main switch
S Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the main switch OK?
YES
EAS00751
4. Neutral switch
S Check the neutral switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the neutral switch OK?
YES
7-45
ELEC
NO
S Clean the battery
terminals.
S Recharge
or re-
place the battery.
NO
Replace the main
switch.
NO
Replace the neutral
switch.