Troubleshooting - Yamaha 2014 MT-07 Service Manual

EAS30514

TROUBLESHOOTING

If the fuel pump fails to operate.
TIP
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Passenger seat
3. Center cover
4. Fuel tank side covers
5. Fuel tank
6. Headlight assembly
1. Check the fuses.
(Ignition, fuel injection system, and
main)
Refer to "CHECKING THE FUS-
ES" on page 8-127.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-128.
OK ↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-123.
OK ↓
4. Check the start/engine stop switch.
Refer to "CHECKING THE
SWITCHES" on page 8-123.
OK ↓
5. Check the relay unit (fuel pump re-
lay).
Refer to "CHECKING THE RE-
LAYS" on page 8-131.
OK ↓
6. Check the fuel pump.
Refer to "CHECKING THE FUEL
PUMP BODY" on page 7-3.
OK ↓
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
NG →
Replace the main switch/immobilizer unit.
NG →
• The start/engine stop switch is faulty.
• Replace the right handlebar switch.
NG →
Replace the relay unit.
NG →
Replace the fuel pump assembly.
8-75
FUEL PUMP SYSTEM