Troubleshooting - Yamaha V Star 950 Service Manual

Table of Contents

Advertisement

EAS27570

TROUBLESHOOTING

The fuel pump fails to operate.
TIP
• Before troubleshooting, remove the following part(s):
1. Rider seat
2. Seat lock bracket
3. Fuel tank
1. Check the fuses.
(Main, ignition and fuel injection
system)
Refer to "CHECKING THE FUSES"
on page 7-81.
OK↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 7-82.
OK↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 7-77.
OK↓
4. Check the engine stop switch.
Refer to "CHECKING THE
SWITCHES" on page 7-77.
OK↓
5. Check the relay unit (fuel pump
relay).
Refer to "CHECKING THE
RELAYS" on page 7-85.
OK↓
6. Check the fuel pump.
Refer to "FUEL TANK" on page 6-1.
OK↓
7. Check the entire fuel pump sys-
tem's wiring.
Refer to "CIRCUIT DIAGRAM" on
page 7-69.
OK↓
Replace the ECU.
FUEL PUMP SYSTEM
NG→
Replace the fuse(s).
NG→
• Clean the battery terminals.
• Recharge or replace the battery.
NG→
Replace the main switch.
NG→
Replace the right handlebar switch.
NG→
Replace the relay unit.
NG→
Replace the fuel pump.
NG→
Properly connect or repair the fuel
pump system's wiring.
7-71

Advertisement

Table of Contents
loading

Table of Contents