Troubleshooting - Yamaha YFM45FXV Supplementary Service Manual

EB803020

TROUBLESHOOTING

IF THE GEAR MOTOR FAILS TO OPERATE:
Procedure
Check:
1. Fuses (main, four-wheel drive)
2. Battery
3. Main switch
NOTE:
• Remove the following part(s) before trouble-
shooting:
1) Seat
2) Front fender
• Use the following special tool(s) for trouble-
shooting.
EB802011
1. Fuses (main, four-wheel drive)
Refer to "CHECKING THE SWITCH".
EB802012
2. Battery
• Check the battery condition.
Refer to "CHECKING THE BATTERY" in
chapter 3. (Manual No.: 5ND2-AE1)
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
CONTINUITY
CORRECT
CORRECT
*
4. On-command four-wheel drive switch
5. Gear motor
6. Wiring connections
(the entire 2WD/4WD selecting system)
Pocket tester
P/N. YU-03112-C, 90890-03112
NO CONTINUITY
Replace the fuse.
INCORRECT
• Clean the battery terminals.
• Recharge or replace the battery.
INCORRECT
Replace the main switch.
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ELEC