Yamaha 2012 TMAX XP500A Service Manual page 384

EAS27190
TROUBLESHOOTING
The starter motor fails to turn.
TIP
• Before troubleshooting, remove the following part(s):
1. Front cowling assembly
2. Storage box
3. Fuel tank
1. Check the fuses.
(Main, ignition and signaling sys-
tem)
Refer to "CHECKING THE FUSES"
on page 8-127.
OK↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-127.
OK↓
3. Check the starter motor operation.
Refer to "CHECKING THE
STARTER MOTOR OPERATION"
on page 8-136.
NG↓
4. Check the starter motor.
Refer to "CHECKING THE
STARTER MOTOR" on page 5-37.
OK↓
5. Check the diode 2.
Refer to "CHECKING THE DIODE"
on page 8-133.
OK↓
6. Check the starting circuit cut-off
relay 1.
Refer to "CHECKING THE
RELAYS" on page 8-131.
OK↓
7. Check the starting circuit cut-off
relay 2.
Refer to "CHECKING THE
RELAYS" on page 8-131.
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 elec-
tric starting system troubleshooting,
starting with step 5.
NG→
Repair or replace the starter motor.
NG→
Replace the diode 2.
NG→
Replace the starting circuit cut-off
relay 1.
NG→
Replace the starting circuit cut-off
relay 2.
8-9