Troubleshooting - Yamaha BT1100 2002 Service Manual

EASB0035

TROUBLESHOOTING

• Any of the following fail to light: turn signal
light, brake light or an indicator light.
• The horn fails to sound.
Check:
1. Main and signaling system fuses
2. Battery
3. Main switch
4. Wiring (of the entrire signaling system)
NOTE:
• Before troubleshooting, remove the following
part(-s):
1) seat
2) side covers
3) fuel tank (lift)
4) cowling (lift forward)
5) storage compartment/battery cover
• Troubleshoot with the following special tool(-s).
Pocket tester
90890-03112
EAS00738
1. Main, ignition and signaling system fuses
• Check the main, ignition and signaling sys-
tem fuses for continuity.
Refer to "CHECKING THE FUSES" in
Chapter 3.
• Are the main, ignition and signaling system
fuses OK?
YES NO
Replace the fuse(-s).
7-35
SIGNALING SYSTEM
EAS00739
2. Battery
• Check the condition of the battery.
Refer to "CHECKING AND CHARGING THE
BATTERY" in Chapter 3.
Min. open-circuit voltage
12.8 V or more at 20 °C (68 °F)
• Is the battery OK?
YES
• Clean the battery ter-
• Recharge or replace
EAS00749
3. Main switch
• Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the main switch OK?
YES
Replace the main
switch.
EAS00795
4. Wiring
• Check the entire signaling system's wiring.
Refer to "CIRCUIT DIAGRAM".
• Is the signaling system's wiring properly con-
nected and without defects?
YES
Check the condition Properly connect or
of each of the signal- repair the signaling
ing system's circuits. system's wiring.
Refer to "CHECKING
THE SIGNALING
SYSTEM".
ELEC
NO
minals.
the battery.
NO
NO