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YES NO
SClean the battery
terminals.
SRecharge or re-
place the battery.
EAS00749
3. Main switch
SCheck the main switch for continuity.
Refer to “CHECKING THE SWITCHES”.
SIs the main switch OK?
YES NO
Replace the main
switch.
YES NO
1. Horn switch
SCheck the horn switch for continuity.
Refer to “CHECKING THE SWITCHES”.
SIs the horn switch OK?
Replace the left han-
dlebar switch.
EAS00796
CHECKING THE SIGNALING SYSTEM
1. The horn fails to sound.
4. Wiring
SCheck the entire signaling system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
SIs the signaling system’s wiring properly
connected and without defects?
YES NO
Properly connect or
repair the signaling
system’s wiring.
Check the condition
of each of the signal-
ing system’s circuits.
Refer to “CHECK-
ING THE LIGHTING
SYSTEM”.
SIGNALING SYSTEM
ELEC
NOTE:
YES
NO
1. Main, ignition and signaling fuses
SCheck the main, ignition and signaling fuses
for continuity.
Refer to “CHECKING THE FUSES” in chap-
ter 3.
SAre the main, ignition and signaling fuses
OK?
Replace the fuse(s).
2. Battery
SCheck 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)
SIs the battery OK?
EAS00739
EAS00794
TROUBLESHOOTING
SAny of the following fail to light: turn sig-
nal light, brake light or an indicator light.
SThe horn fails to sound.
Check:
1. main, ignition and signaling fuses
2. battery
3. main switch
4. wiring connections
(of the entire signaling system)
SBefore troubleshooting, remove the following
part(s):
1. seat
2. fuel tank
3. bottom cowling
4. side cowlings
5. rear cowling
STroubleshoot with the following special tool(s).
Pocket tester
90890-03112, YU-3112
EAS00738