Troubleshooting - Yamaha Vmax VMX17C 2009 Service Manual

EAS27190

TROUBLESHOOTING

The starter motor fails to turn.
TIP
• Before troubleshooting, remove the following part(s):
1. Top cover
2. Right side cover
1. Check the fuses.
(Main and ignition)
Refer to "CHECKING THE FUS-
ES" on page 8-125.
OK ↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-126.
OK ↓
3. Check the starter motor operation.
Refer to "CHECKING THE START-
ER MOTOR OPERATION" on page
8-133.
NG ↓
4. Check the starter motor.
Refer to "CHECKING THE START-
ER MOTOR" on page 5-46.
OK ↓
5. Check the relay unit (starting circuit
cut-off relay).
Refer to "CHECKING THE RE-
LAYS" on page 8-129.
OK ↓
6. Check the relay unit (diode).
Refer to "CHECKING THE RELAY
UNIT (DIODE)" on page 8-130.
OK ↓
7. Check the starter relay.
Refer to "CHECKING THE RE-
LAYS" on page 8-129.
OK ↓
8. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-121.
OK ↓
ELECTRIC STARTING SYSTEM
NG →
Replace the fuse(s).
NG →
• Clean the battery terminals.
• Recharge or replace the battery.
OK →
Starter motor is OK. Perform the electric
starting system troubleshooting, starting
with step 5.
NG →
Repair or replace the starter motor.
NG →
Replace the relay unit.
NG →
Replace the relay unit.
NG →
Replace the starter relay.
NG →
Replace the main switch.
8-10