Yamaha XP500 2001 Service Manual page 375

EAS00817
6. Fuel pump resistance
S Disconnect the fuel pump coupler from the
wireharness.
S Connect the pocket tester (Ω
pump coupler as shown.
Tester positive probe ! black/blue
Tester negative probe ! black
S Measure the fuel pump resistance.
Fuel pump resistance
4 X 30 Ω at 20_C
S Is the fuel pump OK?
YES
7. Lean angle cut-off switch
S Check the lean angle cut -off switch.
Refer to "SELF-DIAGNOSIS.
S Is the lean angle cut-off siwtch OK?
YES
EAS00818
8. Wiring
S Check the entire fuel pump system's wiring.
Refer to "CIRCUIT DIAGRAM".
S Is the fuel pump system's wiring properly
connected and without defects?
YES
Replace the ignitor
unit.
1) to the fuel
1
2
NO
Replace the fuel
pump.
NO
Replace the lean
angle cut-off switch.
NO
Properly connect or
repair the fuel pump
system's wiring.
FUEL PUMP SYSTEM
8-53
ELEC