Checking The Fuses - Yamaha YFZ450S 2003 Service Manual

CHECKING THE FUSES

EBS00121
CHECKING THE FUSES
The following procedure applies to all of the
fuses.
CAUTION:
_
To avoid a short circuit, always set the
main switch to "OFF" when checking or
replacing a fuse.
1. Remove:
• seat
Refer to "SEAT, FENDERS AND FUEL
TANK".
2. Check:
• fuse
M MMM M MMM M
a. Connect the pocket tester to the fuse and
check the continuity.
NOTE:
_
Set the pocket tester selector to "Ω × 1".
Pocket tester
P/N. YU-03112-C, 90890-03112
b. If the pocket tester indicates "∞", replace
the fuse.
L LLL L LLL L
3. Replace:
• blown fuse
M MMM M MMM M
a. Set the main switch to "OFF".
b. Install a new fuse of the correct amperage.
c. Set on the switches to verify if the electrical
circuit is operational.
d. If the fuse immediately blows again, check
the electrical circuit.
3 - 63
CHK
ADJ
M MMM M M MMM M M MMM M
L LLL L L LLL L L LLL L
M MMM M M MMM M M MMM M
M MMM M MMM
L LLL L LLL
M MMM M MMM