Troubleshooting - Yamaha T135SE Service Manual

EAS00794

TROUBLESHOOTING

99
Any of the following fail to light: turn sig-
nal light, brake light or an indicator light.
99
The horn fails to sound.
Check:
1. fuse
2. battery
3. main switch
4. wiring connections
(of the entire signaling system)
NOTE:
9 Before troubleshooting, remove the following
part(s):
1. side cowling (right)
2. front cowling
3. center panel (lower)
4. rear cowling (right)
5. headlight assembly
9 Troubleshoot with the following special tool(s).
Pocket tester
90890-03112
EAS00738
1. Fuse
9 Check the fuse for continuity.
Refer to "CHECKING THE FUSE" in chapter
3.
9 Is the fuse OK?
YES
SIGNALING SYSTEM
NO
Replace the fuse.
8-32
http://www.motorcycle.in.th
EAS00739
2. Battery
9 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)
9 Is the battery OK?
YES
EAS00783
3. Main switch
9 Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES".
9 Is the main switch OK?
YES
EAS00795
4. Wiring
9 Check the entire signaling system wiring.
Refer to "CIRCUITDIAGRAM".
9 Is the signaling system wiring properly con-
nected and without defects?
YES
Check the condi-
tion of each of the
signaling system
circuits.
Refer to "CHECK-
ING THE SIGNAL-
ING SYSTEM".
ELEC
NO
9 Clean the battery
terminals.
9 Recharge or
replace the bat-
tery.
NO
Replace the main
switch.
NO
Properly connect or
repair the signaling
system wiring.