Troubleshooting - Yamaha XVZ13TF 1999 Service Manual

EAS00782

TROUBLESHOOTING

Any of the following fail to come on: head-
light, high beam indicator light, taillight,
and meter light.
Check:
1. Main and headlight fuses
2. Battery
3. Main switch
4. Light/dimmer switch
5. Wiring connections
(of the entire charging system)
NOTE:
S Before troubleshooting, remove the following
part(-s):
1) Rider and passenger seats
2) Side cover (left and right)
3) Front cowling
S Troubleshoot with the following special
tool(-s).
Pocket tester
YU-03112, 90890-03112
EAS00738
1. Main and headlight fuses
S Check the main and headlight fuses for con-
tinuity.
Refer to "CHECKING THE FUSES" in
CHAPTER 3.
S Are the main and headlight fuses OK?
YES
WAS00739
2. Battery
S Check the condition of the battery.
Refer to "CHECKING THE BATTERY" in
CHAPTER 3.
Open-circuit voltage
12.8 V or more at 20_C
S Is the battery OK?
YES
NO
Replace the fuse (-s).
NO
S Clean the battery
terminals.
S Recharge
or re-
place the battery.
LIGHTING SYSTEM
EAS00739
3. Main switch
S Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the main switch OK?
YES
EAS00785
4. Light/dimmer switch
S Check the light/dimmer switch for continuity.
Refer to "CHECKING THE SWITCHES".
S Is the light/dimmer switch OK?
YES
EAS00787
5. Wiring
S Check entire lighting system's wiring.
Refer to "CIRCUIT DIAGRAM".
S Is the lighting system's wiring properly con-
nected and without defects?
YES
Check the condition
of each of the lighting
system's circuits.
Refer to "CHECK-
ING THE LIGHTING
SYSTEM".
8-27
ELEC
NO
Replace the main
switch.
NO
The light/dimmer
switch is faulty. Re-
place the left handle-
bar switch.
NO
Properly connect or
repair the lighting
system's wiring.