Yamaha VMX12 2001, Service Manual

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ELEC
LIGHTING SYSTEM
EAS00781
TROUBLESHOOTING
Check:
1. main and headlight fuses
2. battery
3. main switch
4. light switch
5. dimmer switch
6. pass switch
7. wiring connections (of the entire lighting
system)
NOTE:
@
• Before troubleshooting, remove the following
part(s):
1) top cover
2) electrical components board
3) rider seat
4) main switch cover
5) headlight lens unit
• Troubleshoot with the following special
tool(s).
@
EAS00738
YES
NO
EAS00739
YES NO
EAS00749
YES
NO
EAS00783
YES NO
Any of the following fail to light: head-
light, high beam indicator light, taillight,
auxiliary light or meter light.
Pocket tester
90890-03112
1. Main and headlight fuses
• Check the main and headlight fuses for
continuity.
Refer to “CHECKING THE FUSES” in
chapter 3.
• Are the main and headlight fuses OK?
Replace the fuse(s).
2. Battery
• Check the condition of the battery.
Refer to “CHECKING THE BATTERY” in
chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20 °C
• Is the battery OK?
• Clean the battery
terminals.
• Recharge or
replace the battery.
3. Main switch
• Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the main switch OK?
Replace the main
switch.
4. Light switch
• Check the light switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the light switch OK?
• The light switch is
faulty.
• Replace the right
handlebar switch.