Yamaha YZF-R1PC Utility Trailer User Manual


 
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ELEC
FUEL PUMP SYSTEM
EAS00816
TROUBLESHOOTING
Check:
1. Main and fuel injection system fuses
2. Battery
3. Main switch
4. Engine stop switch
5. Starting circuit cut-off relay
(the fuel injection system relay)
6. Fuel pump
7. Wiring connections
(the entire fuel system)
NOTE:
_
Before troubleshooting, remove the following
part(s):
1. Seat
2. Fuel tank
Troubleshoot with the following special
tool(s).
EAS00738
EAS00739
EAS00749
EAS00750
If the fuel pump fails to operate.
Pocket tester
YM-03112
1. Main and fuel injection system fuses
Check the main and ignition fuses for con-
tinuity.
Refer to CHECKING THE FUSES in
chapter 3.
Are the main and ignition fuses OK?
YES
NO
Replace the fuse(s).
2. Battery
Check the condition of the battery
Refer to CHECKING THE BATTERY in
chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20 °C (68 °F)
Is the battery OK?
YES
NO
Clean the battery
terminals.
Recharge or
replace the bat-
tery.
3. Main switch
Check the main switch for continuity.
Refer to CHECKING THE SWITCHES.
Is the main switch OK?
YES
NO
Replace the main
switch.
4. Engine stop switch
Check the engine stop switch for continu-
ity.
Refer to CHECKING THE SWITCHES.
Is the engine stop switch OK?
YES
NO
Replace the right
handlebar switch.