Troubleshooting; Carburetor Heater System - Yamaha XVS650 Service Manual

CARBURETOR HEATER SYSTEM
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ELEC
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0
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TROUBLESHOOTING
IF THE CARBURETER HEATER FAilS TO OPERATE:
Procedure
Check:
1.Fuses (main and carburetor heater)
2. Battery
3.Main switch
4.Neutral switch
5.Carburetor heater relay
6.Thermo switch
7.Carburetor heater
8.Wiring connections
(the entire carburetor heater system)
NOTE: _
• Remove the following pa rt(s) before trou-
bleshooting:
1)Battery cover
2)Rider's seat
3)Fuel tank
4)Steering head side covers
• Use the following special tool(s) for trou-
bleshooting.
EBS02011
Pocket tester:
YU-03112,90890-03112
1.Fuses (main and carburetor heater)
Refer to IJSWITCH INSPECTION".
~
CONTINUITY
EB802012
2. Battery
• Check the battery condition.
Refer to "BATIERY INSPECTION" in
CHAPTER 3.
Open-circuit voltage:
12.8 V or more at 20°C (68°F)
.D7
CORRECT
*
NO CONTINUITY
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Replace the fuses.
INCORRECT
• Clean the battery terminals.
• Recharge or replace the battery.
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