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ELEC
CARBURETOR HEATING SYSTEM
TROUBLESHOOTING
Procedure
Check:
1. Fuses (main, carburetor heater)
2. Battery
3. Main switch
4. Thermo switch 2
5. Carburetor heater
6. Wiring connection
(the entire carburetor warming system)
IF THE CARBURETOR HEATING SYSTEM FAILS TO OPERATE:
NOTE:
• Remove the following part(s) before trouble-
shooting.
1) Console
• Use the following special tool(s) for trouble-
shooting.
Pocket tester
P/N. YU-03112-C, 90890-03112
CORRECT
1. Fuses (main, carburetor heater)
Refer to “CHECKING THE SWITCH”.
NO CONTINUITY
Replace the fuse(s).
CORRECT
2. Battery
• Check the battery condition.
Refer to “CHECKING AND CHARGING
THE BATTERY” in chapter 3.
Open-circuit voltage
12.8 V or more at 20 °C (68 °F)
INCORRECT
• Clean the battery terminals.
• Recharge or replace the battery.
CORRECT
3. Main switch
Refer to “CHECKING THE SWITCH”.
*
INCORRECT
Replace the main switch.
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