Yamaha XV19SX(C) Service Manual page 466

Checking the condition of the bulb sockets
The following procedure applies to all of the bulb
sockets.
1. Check:
• Bulb socket (for continuity)
(with the pocket tester)
No continuity → Replace.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
NOTE:
Check each bulb socket for continuity in the
same manner as described in the bulb section;
however, note the following.
M MMM M MMM M M MMM M M MMM M
a. Install a good bulb into the bulb socket.
b. Connect the pocket tester probes to the re-
spective leads of the bulb socket.
c. Check the bulb socket for continuity. If any of
the readings indicate no continuity, replace
the bulb socket.
L LLL L LLL L L LLL L L LLL L
EAS28000
CHECKING THE FUSES
The following procedure applies to all of the fus-
es.
EC1D71019
CAUTION:
To avoid a short circuit, always turn the main
switch to "OFF" when checking or replacing
a fuse.
1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS" on page 4-1.
2. Check:
• Fuse
M MMM M MMM M M MMM M M MMM M
a. Connect the pocket tester to the fuse and
check the continuity.
M MMM M M MMM M MMM
L LLL L L LLL L LLL
M MMM M M MMM M MMM
7-75
ELECTRICAL COMPONENTS
NOTE:
Set the pocket tester selector to "Ω × 1".
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
b. If the pocket tester indicates "∞", replace the
fuse.
L LLL L LLL L L LLL L L LLL L
3. Replace:
• Blown fuse
M MMM M MMM M M MMM M M MMM M
a. Turn the main switch to "OFF".
b. Install a new fuse of the correct amperage
rating.
c. Set on the switches to verify if the electrical
circuit is operational.
d. If the fuse immediately blows again, check
the electrical circuit.
For XV19S(C)/ XV19M(C)/ XV19CTS(C)/
XV19CTM(C)
Fuses
Main
Ignition
Headlight
Fuel injection system
Signaling system
Taillight
ECU
Backup (odometer and
clock)
Auxiliary DC connector
Spare
Spare
Spare
Spare
Spare
L LLL L L LLL L LLL
M MMM M M MMM M MMM
Amperage
Q'ty
rating
50 A 1
25 A 1
20 A 1
15 A 1
10 A 1
10 A 1
10 A 1
10 A 1
3 A 1
25 A 1
20 A 1
15 A 1
10 A 1
3 A 1