Troubleshooting - Yamaha XVS6501997 Service Manual

EB808020

TROUBLESHOOTING

IF THE FUEL PUMP FAILS TO OPERATE:
Procedure
Check:
1. Fuses (main and ignition)
2. Battery
3. Main switch
4. Engine stop switch
NOTE:
D Remove the following part(s) before trouble-
shooting:
1) Battery cover
2) Rider's seat
3) Fuel tank
4) Steering head side covers
D Use the following special tool(s) for trouble-
shooting.
EB802011
1. Fuses (main and ignition)
Refer to "SWITCH INSPECTION".
EB802012
2. Battery
S Check the battery condition.
Refer to "BATTERY INSPECTION" in
CHAPTER 3.
Open-circuit voltage:
12.8 V or more at 20_C
CONTINUITY
CORRECT
:
FUEL PUMP SYSTEM
5. Relay unit (fuel pump relay)
6. Fuel pump
7. Wiring connections (the entire fuel system)
Pocket tester:
90890-03112
NO CONTINUITY
Replace the fuse(s).
INCORRECT
S Clean the battery terminals.
S Recharge or replace the battery.
7-40
ELEC