Troubleshooting - Yamaha YFM45FAR Service Manual

5nd2-ae1
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EB803020

TROUBLESHOOTING

IF THE GEAR MOTOR FAILS TO OPERATE:
Procedure
Check:
1.Fuse (main, four-wheel drive)
2.Battery
3.Main switch
4.Four-wheel drive relay 1
5.Four-wheel drive relay 2
6.Four-wheel drive relay 3
NOTE:
Remove
the
following
G
troubleshooting:
1)Seat
2)Front carrier
3)Front fender
Use
the
following
G
troubleshooting.
EB802011
1.Fuse (main, four-wheel drive)
Refer to "CHECKING THE SWITCH".
EB802012
2.Battery
Check the battery condition.
G
Refer to "CHECKING THE BATTERY" in
CHAPTER 3.
Open-circuit voltage:
12.8 V or more at 20 °C (68 °F)
3.Main switch
Refer to "CHECKING THE SWITCH".
2WD/4WD SELECTING SYSTEM
part(s)
before
special
tool(s)
CONTINUITY
CORRECT
CORRECT
*
7.On-command four-wheel drive switch and
differential gear lock switch
8.Gear motor
9.Wiring connections
(the entire 2WD/4WD selecting system)
Pocket tester:
P/N. YU-03112, 90890-03112
for
NO CONTINUITY
Replace the fuse.
INCORRECT
Clean the battery terminals.
G
Recharge or replace the battery.
G
INCORRECT
Replace the main switch.
9 - 44
+
ELEC

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