FUEL PUMP SYSTEM
8-85
EAS27570
TROUBLESHOOTING
If the fuel pump fails to operate.
NOTE:
• Before troubleshooting, remove the following part(s):
1. Front cowling assembly
2. Fuel tank
3. T-bar
NG →
OK ↓
NG →
OK ↓
NG →
OK ↓
NG →
OK ↓
NG →
OK ↓
NG →
OK ↓
NG →
OK ↓
1. Check the fuses.
(Main, ignition, and fuel injection
system)
Refer to “CHECKING THE FUS-
ES” on page 8-153.
Replace the fuse(s).
2. Check the battery.
Refer to “CHECKING AND
CHARGING THE BATTERY” on
page 8-154.
• Clean the battery terminals.
• Recharge or replace the battery.
3. Check the main switch.
Refer to “CHECKING THE
SWITCHES” on page 8-149.
Replace the main switch/immobilizer unit.
4. Check the engine stop switch.
Refer to “CHECKING THE
SWITCHES” on page 8-149.
Replace the right handlebar switch.
5. Check the relay unit (fuel pump re-
lay).
Refer to “CHECKING THE RE-
LAYS” on page 8-157.
Replace the relay unit.
6. Check the fuel pump.
Refer to “CHECKING THE FUEL
PUMP BODY” on page 7-2.
Replace the fuel pump assembly.
7. Check the entire fuel pump system
wiring.
Refer to “CIRCUIT DIAGRAM (1/2)”
on page 8-81 and “CIRCUIT DIA-
GRAM (2/2)” on page 8-83.
Properly connect or repair the fuel pump
system wiring.
Replace the ECU.
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