Yamaha 2001 YJ50RAP, Service Manual

Page: 208 / 228

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ELEC
EAS00794
TROUBLESHOOTING
Check:
1. main fuse
2. battery
3. main switch
4. wiring (of the entire signaling system)
NOTE:
@
• Before troubleshooting, remove the following
part(s):
1) center cover
2) side cover (left)
3) side cover (right)
4) tail cover
5) headlight cover
6) front panel
• Troubleshoot with the following special
tool(s).
EAS00738
YES
NO
EAS00739
YES NO
EAS00749
YES
NO
EAS00795
YES
NO
• Any of the following fail to light:
Flasher light, brake light or an indicator
light.
• The horn fails to sound.
Pocket tester
YU-03112
1. Main fuse
• Check the main fuse for continuity.
• Refer to “CHECKING THE FUSE” in chap-
ter 3.
• Is the main fuse OK?
Replace the main
fuse.
2. Battery
• Check the condition of the battery.
Refer to “CHECKING AND CHARGING
THE BATTERY” in chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20 °C (68 °F)
Is the battery OK?
• Clean the battery
terminals.
• Recharge or
replace the bat-
tery.
3. Main switch
• Check the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
• Is the main switch OK?
Replace the main
switch.
4. Wiring
• Check the entire signal system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
• Is the signaling system’s wiring properly
connected and without defects?
Check the condi-
tion of each of the
signaling system’s
circuits.
Refer to “CHECK-
ING THE SIGNAL-
ING SYSTEM”. Properly connect or
repair the signaling
system’s wiring.
SIGNALING SYSTEM
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